Use ::class keyword when possible

src/Symfony/Bridge/Doctrine/Tests/Form/Type/EntityTypeTest.php

@@ -118,13 +118,13 @@ class EntityTypeTest extends BaseTypeTest
 
     public function testClassOptionIsRequired()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\MissingOptionsException');
+        $this->expectException(\Symfony\Component\OptionsResolver\Exception\MissingOptionsException::class);
         $this->factory->createNamed('name', static::TESTED_TYPE);
     }
 
     public function testInvalidClassOption()
     {
-        $this->expectException('Symfony\Component\Form\Exception\RuntimeException');
+        $this->expectException(\Symfony\Component\Form\Exception\RuntimeException::class);
         $this->factory->createNamed('name', static::TESTED_TYPE, null, [
             'class' => 'foo',
         ]);
@@ -219,7 +219,7 @@ class EntityTypeTest extends BaseTypeTest
 
     public function testConfigureQueryBuilderWithNonQueryBuilderAndNonClosure()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\InvalidOptionsException');
+        $this->expectException(\Symfony\Component\OptionsResolver\Exception\InvalidOptionsException::class);
         $this->factory->createNamed('name', static::TESTED_TYPE, null, [
             'em' => 'default',
             'class' => self::SINGLE_IDENT_CLASS,
@@ -229,7 +229,7 @@ class EntityTypeTest extends BaseTypeTest
 
     public function testConfigureQueryBuilderWithClosureReturningNonQueryBuilder()
     {
-        $this->expectException('Symfony\Component\Form\Exception\UnexpectedTypeException');
+        $this->expectException(\Symfony\Component\Form\Exception\UnexpectedTypeException::class);
         $field = $this->factory->createNamed('name', static::TESTED_TYPE, null, [
             'em' => 'default',
             'class' => self::SINGLE_IDENT_CLASS,
@@ -1242,7 +1242,7 @@ class EntityTypeTest extends BaseTypeTest
         $choiceList2 = $form->get('property2')->getConfig()->getAttribute('choice_list');
         $choiceList3 = $form->get('property3')->getConfig()->getAttribute('choice_list');
 
-        $this->assertInstanceOf('Symfony\Component\Form\ChoiceList\LazyChoiceList', $choiceList1);
+        $this->assertInstanceOf(\Symfony\Component\Form\ChoiceList\LazyChoiceList::class, $choiceList1);
         $this->assertSame($choiceList1, $choiceList2);
         $this->assertSame($choiceList1, $choiceList3);
     }
@@ -1302,7 +1302,7 @@ class EntityTypeTest extends BaseTypeTest
         $choiceList2 = $form->get('property2')->getConfig()->getAttribute('choice_list');
         $choiceList3 = $form->get('property3')->getConfig()->getAttribute('choice_list');
 
-        $this->assertInstanceOf('Symfony\Component\Form\ChoiceList\LazyChoiceList', $choiceList1);
+        $this->assertInstanceOf(\Symfony\Component\Form\ChoiceList\LazyChoiceList::class, $choiceList1);
         $this->assertSame($choiceList1, $choiceList2);
         $this->assertSame($choiceList1, $choiceList3);
     }

src/Symfony/Bridge/Doctrine/Tests/PropertyInfo/DoctrineExtractorTest.php

@@ -85,7 +85,7 @@ class DoctrineExtractorTest extends TestCase
 
     public function testTestGetPropertiesWithEmbedded()
     {
-        if (!class_exists('Doctrine\ORM\Mapping\Embedded')) {
+        if (!class_exists(\Doctrine\ORM\Mapping\Embedded::class)) {
             $this->markTestSkipped('@Embedded is not available in Doctrine ORM lower than 2.5.');
         }
 
@@ -108,7 +108,7 @@ class DoctrineExtractorTest extends TestCase
 
     public function testExtractWithEmbedded()
     {
-        if (!class_exists('Doctrine\ORM\Mapping\Embedded')) {
+        if (!class_exists(\Doctrine\ORM\Mapping\Embedded::class)) {
             $this->markTestSkipped('@Embedded is not available in Doctrine ORM lower than 2.5.');
         }
 

src/Symfony/Bridge/Twig/Tests/Extension/TranslationExtensionTest.php

@@ -49,14 +49,14 @@ class TranslationExtensionTest extends TestCase
 
     public function testTransUnknownKeyword()
     {
-        $this->expectException('Twig\Error\SyntaxError');
+        $this->expectException(\Twig\Error\SyntaxError::class);
         $this->expectExceptionMessage('Unexpected token. Twig was looking for the "with", "from", or "into" keyword in "index" at line 3.');
         $this->getTemplate("{% trans \n\nfoo %}{% endtrans %}")->render();
     }
 
     public function testTransComplexBody()
     {
-        $this->expectException('Twig\Error\SyntaxError');
+        $this->expectException(\Twig\Error\SyntaxError::class);
         $this->expectExceptionMessage('A message inside a trans tag must be a simple text in "index" at line 2.');
         $this->getTemplate("{% trans %}\n{{ 1 + 2 }}{% endtrans %}")->render();
     }

src/Symfony/Bundle/FrameworkBundle/DependencyInjection/FrameworkExtension.php

@@ -206,7 +206,7 @@ class FrameworkExtension extends Extension
         // default in the Form and Validator component). If disabled, an identity
         // translator will be used and everything will still work as expected.
         if ($this->isConfigEnabled($container, $config['translator']) || $this->isConfigEnabled($container, $config['form']) || $this->isConfigEnabled($container, $config['validation'])) {
-            if (!class_exists('Symfony\Component\Translation\Translator') && $this->isConfigEnabled($container, $config['translator'])) {
+            if (!class_exists(Translator::class) && $this->isConfigEnabled($container, $config['translator'])) {
                 throw new LogicException('Translation support cannot be enabled as the Translation component is not installed. Try running "composer require symfony/translation".');
             }
 
@@ -289,14 +289,14 @@ class FrameworkExtension extends Extension
         $this->registerSecurityCsrfConfiguration($config['csrf_protection'], $container, $loader);
 
         if ($this->isConfigEnabled($container, $config['form'])) {
-            if (!class_exists('Symfony\Component\Form\Form')) {
+            if (!class_exists(\Symfony\Component\Form\Form::class)) {
                 throw new LogicException('Form support cannot be enabled as the Form component is not installed. Try running "composer require symfony/form".');
             }
 
             $this->formConfigEnabled = true;
             $this->registerFormConfiguration($config, $container, $loader);
 
-            if (class_exists('Symfony\Component\Validator\Validation')) {
+            if (class_exists(\Symfony\Component\Validator\Validation::class)) {
                 $config['validation']['enabled'] = true;
             } else {
                 $container->setParameter('validator.translation_domain', 'validators');
@@ -309,7 +309,7 @@ class FrameworkExtension extends Extension
         }
 
         if ($this->isConfigEnabled($container, $config['assets'])) {
-            if (!class_exists('Symfony\Component\Asset\Package')) {
+            if (!class_exists(\Symfony\Component\Asset\Package::class)) {
                 throw new LogicException('Asset support cannot be enabled as the Asset component is not installed. Try running "composer require symfony/asset".');
             }
 
@@ -376,7 +376,7 @@ class FrameworkExtension extends Extension
         $this->registerSecretsConfiguration($config['secrets'], $container, $loader);
 
         if ($this->isConfigEnabled($container, $config['serializer'])) {
-            if (!class_exists('Symfony\Component\Serializer\Serializer')) {
+            if (!class_exists(\Symfony\Component\Serializer\Serializer::class)) {
                 throw new LogicException('Serializer support cannot be enabled as the Serializer component is not installed. Try running "composer require symfony/serializer-pack".');
             }
 
@@ -1114,18 +1114,18 @@ class FrameworkExtension extends Extension
         $dirs = [];
         $transPaths = [];
         $nonExistingDirs = [];
-        if (class_exists('Symfony\Component\Validator\Validation')) {
-            $r = new \ReflectionClass('Symfony\Component\Validator\Validation');
+        if (class_exists(\Symfony\Component\Validator\Validation::class)) {
+            $r = new \ReflectionClass(\Symfony\Component\Validator\Validation::class);
 
             $dirs[] = $transPaths[] = \dirname($r->getFileName()).'/Resources/translations';
         }
-        if (class_exists('Symfony\Component\Form\Form')) {
-            $r = new \ReflectionClass('Symfony\Component\Form\Form');
+        if (class_exists(\Symfony\Component\Form\Form::class)) {
+            $r = new \ReflectionClass(\Symfony\Component\Form\Form::class);
 
             $dirs[] = $transPaths[] = \dirname($r->getFileName()).'/Resources/translations';
         }
-        if (class_exists('Symfony\Component\Security\Core\Exception\AuthenticationException')) {
-            $r = new \ReflectionClass('Symfony\Component\Security\Core\Exception\AuthenticationException');
+        if (class_exists(\Symfony\Component\Security\Core\Exception\AuthenticationException::class)) {
+            $r = new \ReflectionClass(\Symfony\Component\Security\Core\Exception\AuthenticationException::class);
 
             $dirs[] = $transPaths[] = \dirname($r->getFileName(), 2).'/Resources/translations';
         }
@@ -1208,7 +1208,7 @@ class FrameworkExtension extends Extension
             return;
         }
 
-        if (!class_exists('Symfony\Component\Validator\Validation')) {
+        if (!class_exists(\Symfony\Component\Validator\Validation::class)) {
             throw new LogicException('Validation support cannot be enabled as the Validator component is not installed. Try running "composer require symfony/validator".');
         }
 
@@ -1272,8 +1272,8 @@ class FrameworkExtension extends Extension
             $files['yaml' === $extension ? 'yml' : $extension][] = $path;
         };
 
-        if (interface_exists('Symfony\Component\Form\FormInterface')) {
-            $reflClass = new \ReflectionClass('Symfony\Component\Form\FormInterface');
+        if (interface_exists(\Symfony\Component\Form\FormInterface::class)) {
+            $reflClass = new \ReflectionClass(\Symfony\Component\Form\FormInterface::class);
             $fileRecorder('xml', \dirname($reflClass->getFileName()).'/Resources/config/validation.xml');
         }
 
@@ -1334,7 +1334,7 @@ class FrameworkExtension extends Extension
             return;
         }
 
-        if (!class_exists('Doctrine\Common\Annotations\Annotation')) {
+        if (!class_exists(\Doctrine\Common\Annotations\Annotation::class)) {
             throw new LogicException('Annotations cannot be enabled as the Doctrine Annotation library is not installed.');
         }
 
@@ -1346,7 +1346,7 @@ class FrameworkExtension extends Extension
         }
 
         if ('none' !== $config['cache']) {
-            if (!class_exists('Doctrine\Common\Cache\CacheProvider')) {
+            if (!class_exists(\Doctrine\Common\Cache\CacheProvider::class)) {
                 throw new LogicException('Annotations cannot be enabled as the Doctrine Cache library is not installed.');
             }
 
@@ -1452,7 +1452,7 @@ class FrameworkExtension extends Extension
             return;
         }
 
-        if (!class_exists('Symfony\Component\Security\Csrf\CsrfToken')) {
+        if (!class_exists(\Symfony\Component\Security\Csrf\CsrfToken::class)) {
             throw new LogicException('CSRF support cannot be enabled as the Security CSRF component is not installed. Try running "composer require symfony/security-csrf".');
         }
 
@@ -1563,7 +1563,7 @@ class FrameworkExtension extends Extension
 
         $loader->load('property_info.xml');
 
-        if (interface_exists('phpDocumentor\Reflection\DocBlockFactoryInterface')) {
+        if (interface_exists(\phpDocumentor\Reflection\DocBlockFactoryInterface::class)) {
             $definition = $container->register('property_info.php_doc_extractor', 'Symfony\Component\PropertyInfo\Extractor\PhpDocExtractor');
             $definition->setPrivate(true);
             $definition->addTag('property_info.description_extractor', ['priority' => -1000]);

src/Symfony/Bundle/FrameworkBundle/Tests/Command/TranslationDebugCommandTest.php

@@ -92,7 +92,7 @@ class TranslationDebugCommandTest extends TestCase
     {
         $this->fs->mkdir($this->translationDir.'/customDir/translations');
         $this->fs->mkdir($this->translationDir.'/customDir/templates');
-        $kernel = $this->getMockBuilder('Symfony\Component\HttpKernel\KernelInterface')->getMock();
+        $kernel = $this->getMockBuilder(\Symfony\Component\HttpKernel\KernelInterface::class)->getMock();
         $kernel->expects($this->once())
             ->method('getBundle')
             ->with($this->equalTo($this->translationDir.'/customDir'))
@@ -110,8 +110,8 @@ class TranslationDebugCommandTest extends TestCase
 
     public function testDebugInvalidDirectory()
     {
-        $this->expectException('InvalidArgumentException');
-        $kernel = $this->getMockBuilder('Symfony\Component\HttpKernel\KernelInterface')->getMock();
+        $this->expectException(\InvalidArgumentException::class);
+        $kernel = $this->getMockBuilder(\Symfony\Component\HttpKernel\KernelInterface::class)->getMock();
         $kernel->expects($this->once())
             ->method('getBundle')
             ->with($this->equalTo('dir'))
@@ -136,7 +136,7 @@ class TranslationDebugCommandTest extends TestCase
 
     private function createCommandTester($extractedMessages = [], $loadedMessages = [], $kernel = null, array $transPaths = [], array $viewsPaths = []): CommandTester
     {
-        $translator = $this->getMockBuilder('Symfony\Component\Translation\Translator')
+        $translator = $this->getMockBuilder(\Symfony\Component\Translation\Translator::class)
             ->disableOriginalConstructor()
             ->getMock();
 
@@ -145,7 +145,7 @@ class TranslationDebugCommandTest extends TestCase
             ->method('getFallbackLocales')
             ->willReturn(['en']);
 
-        $extractor = $this->getMockBuilder('Symfony\Component\Translation\Extractor\ExtractorInterface')->getMock();
+        $extractor = $this->getMockBuilder(\Symfony\Component\Translation\Extractor\ExtractorInterface::class)->getMock();
         $extractor
             ->expects($this->any())
             ->method('extract')
@@ -155,7 +155,7 @@ class TranslationDebugCommandTest extends TestCase
                 }
             );
 
-        $loader = $this->getMockBuilder('Symfony\Component\Translation\Reader\TranslationReader')->getMock();
+        $loader = $this->getMockBuilder(\Symfony\Component\Translation\Reader\TranslationReader::class)->getMock();
         $loader
             ->expects($this->any())
             ->method('read')
@@ -170,7 +170,7 @@ class TranslationDebugCommandTest extends TestCase
                 ['foo', $this->getBundle($this->translationDir)],
                 ['test', $this->getBundle('test')],
             ];
-            $kernel = $this->getMockBuilder('Symfony\Component\HttpKernel\KernelInterface')->getMock();
+            $kernel = $this->getMockBuilder(\Symfony\Component\HttpKernel\KernelInterface::class)->getMock();
             $kernel
                 ->expects($this->any())
                 ->method('getBundle')
@@ -198,7 +198,7 @@ class TranslationDebugCommandTest extends TestCase
 
     private function getBundle($path)
     {
-        $bundle = $this->getMockBuilder('Symfony\Component\HttpKernel\Bundle\BundleInterface')->getMock();
+        $bundle = $this->getMockBuilder(\Symfony\Component\HttpKernel\Bundle\BundleInterface::class)->getMock();
         $bundle
             ->expects($this->any())
             ->method('getPath')

src/Symfony/Bundle/FrameworkBundle/Tests/Command/TranslationUpdateCommandTest.php

@@ -137,7 +137,7 @@ class TranslationUpdateCommandTest extends TestCase
      */
     private function createCommandTester($extractedMessages = [], $loadedMessages = [], HttpKernel\KernelInterface $kernel = null, array $transPaths = [], array $viewsPaths = [])
     {
-        $translator = $this->getMockBuilder('Symfony\Component\Translation\Translator')
+        $translator = $this->getMockBuilder(\Symfony\Component\Translation\Translator::class)
             ->disableOriginalConstructor()
             ->getMock();
 
@@ -146,7 +146,7 @@ class TranslationUpdateCommandTest extends TestCase
             ->method('getFallbackLocales')
             ->willReturn(['en']);
 
-        $extractor = $this->getMockBuilder('Symfony\Component\Translation\Extractor\ExtractorInterface')->getMock();
+        $extractor = $this->getMockBuilder(\Symfony\Component\Translation\Extractor\ExtractorInterface::class)->getMock();
         $extractor
             ->expects($this->any())
             ->method('extract')
@@ -158,7 +158,7 @@ class TranslationUpdateCommandTest extends TestCase
                 }
             );
 
-        $loader = $this->getMockBuilder('Symfony\Component\Translation\Reader\TranslationReader')->getMock();
+        $loader = $this->getMockBuilder(\Symfony\Component\Translation\Reader\TranslationReader::class)->getMock();
         $loader
             ->expects($this->any())
             ->method('read')
@@ -168,7 +168,7 @@ class TranslationUpdateCommandTest extends TestCase
                 }
             );
 
-        $writer = $this->getMockBuilder('Symfony\Component\Translation\Writer\TranslationWriter')->getMock();
+        $writer = $this->getMockBuilder(\Symfony\Component\Translation\Writer\TranslationWriter::class)->getMock();
         $writer
             ->expects($this->any())
             ->method('getFormats')
@@ -181,7 +181,7 @@ class TranslationUpdateCommandTest extends TestCase
                 ['foo', $this->getBundle($this->translationDir)],
                 ['test', $this->getBundle('test')],
             ];
-            $kernel = $this->getMockBuilder('Symfony\Component\HttpKernel\KernelInterface')->getMock();
+            $kernel = $this->getMockBuilder(\Symfony\Component\HttpKernel\KernelInterface::class)->getMock();
             $kernel
                 ->expects($this->any())
                 ->method('getBundle')
@@ -209,7 +209,7 @@ class TranslationUpdateCommandTest extends TestCase
 
     private function getBundle($path)
     {
-        $bundle = $this->getMockBuilder('Symfony\Component\HttpKernel\Bundle\BundleInterface')->getMock();
+        $bundle = $this->getMockBuilder(\Symfony\Component\HttpKernel\Bundle\BundleInterface::class)->getMock();
         $bundle
             ->expects($this->any())
             ->method('getPath')

src/Symfony/Bundle/FrameworkBundle/Tests/Console/ApplicationTest.php

@@ -30,7 +30,7 @@ class ApplicationTest extends TestCase
 {
     public function testBundleInterfaceImplementation()
     {
-        $bundle = $this->getMockBuilder('Symfony\Component\HttpKernel\Bundle\BundleInterface')->getMock();
+        $bundle = $this->getMockBuilder(\Symfony\Component\HttpKernel\Bundle\BundleInterface::class)->getMock();
 
         $kernel = $this->getKernel([$bundle], true);
 
@@ -236,10 +236,10 @@ class ApplicationTest extends TestCase
 
     private function getKernel(array $bundles, $useDispatcher = false)
     {
-        $container = $this->getMockBuilder('Symfony\Component\DependencyInjection\ContainerInterface')->getMock();
+        $container = $this->getMockBuilder(\Symfony\Component\DependencyInjection\ContainerInterface::class)->getMock();
 
         if ($useDispatcher) {
-            $dispatcher = $this->getMockBuilder('Symfony\Component\EventDispatcher\EventDispatcherInterface')->getMock();
+            $dispatcher = $this->getMockBuilder(\Symfony\Component\EventDispatcher\EventDispatcherInterface::class)->getMock();
             $dispatcher
                 ->expects($this->atLeastOnce())
                 ->method('dispatch')
@@ -264,7 +264,7 @@ class ApplicationTest extends TestCase
             ->willReturnOnConsecutiveCalls([], [])
         ;
 
-        $kernel = $this->getMockBuilder('Symfony\Component\HttpKernel\KernelInterface')->getMock();
+        $kernel = $this->getMockBuilder(KernelInterface::class)->getMock();
         $kernel->expects($this->once())->method('boot');
         $kernel
             ->expects($this->any())
@@ -282,7 +282,7 @@ class ApplicationTest extends TestCase
 
     private function createBundleMock(array $commands)
     {
-        $bundle = $this->getMockBuilder('Symfony\Component\HttpKernel\Bundle\Bundle')->getMock();
+        $bundle = $this->getMockBuilder(\Symfony\Component\HttpKernel\Bundle\Bundle::class)->getMock();
         $bundle
             ->expects($this->once())
             ->method('registerCommands')

src/Symfony/Bundle/FrameworkBundle/Tests/Controller/AbstractControllerTest.php

@@ -101,7 +101,7 @@ class AbstractControllerTest extends TestCase
         $requestStack = new RequestStack();
         $requestStack->push($request);
 
-        $kernel = $this->getMockBuilder('Symfony\Component\HttpKernel\HttpKernelInterface')->getMock();
+        $kernel = $this->getMockBuilder(\Symfony\Component\HttpKernel\HttpKernelInterface::class)->getMock();
         $kernel->expects($this->once())->method('handle')->willReturnCallback(function (Request $request) {
             return new Response($request->getRequestFormat().'--'.$request->getLocale());
         });
@@ -148,7 +148,7 @@ class AbstractControllerTest extends TestCase
 
     public function testGetUserWithEmptyContainer()
     {
-        $this->expectException('LogicException');
+        $this->expectException(\LogicException::class);
         $this->expectExceptionMessage('The SecurityBundle is not registered in your application.');
 
         $controller = $this->createController();
@@ -162,7 +162,7 @@ class AbstractControllerTest extends TestCase
      */
     private function getContainerWithTokenStorage($token = null): Container
     {
-        $tokenStorage = $this->getMockBuilder('Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorage')->getMock();
+        $tokenStorage = $this->getMockBuilder(\Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorage::class)->getMock();
         $tokenStorage
             ->expects($this->once())
             ->method('getToken')
@@ -231,7 +231,7 @@ class AbstractControllerTest extends TestCase
     public function testFile()
     {
         $container = new Container();
-        $kernel = $this->getMockBuilder('Symfony\Component\HttpKernel\HttpKernelInterface')->getMock();
+        $kernel = $this->getMockBuilder(\Symfony\Component\HttpKernel\HttpKernelInterface::class)->getMock();
         $container->set('http_kernel', $kernel);
 
         $controller = $this->createController();
@@ -332,7 +332,7 @@ class AbstractControllerTest extends TestCase
 
     public function testFileWhichDoesNotExist()
     {
-        $this->expectException('Symfony\Component\HttpFoundation\File\Exception\FileNotFoundException');
+        $this->expectException(\Symfony\Component\HttpFoundation\File\Exception\FileNotFoundException::class);
 
         $controller = $this->createController();
 
@@ -341,7 +341,7 @@ class AbstractControllerTest extends TestCase
 
     public function testIsGranted()
     {
-        $authorizationChecker = $this->getMockBuilder('Symfony\Component\Security\Core\Authorization\AuthorizationCheckerInterface')->getMock();
+        $authorizationChecker = $this->getMockBuilder(\Symfony\Component\Security\Core\Authorization\AuthorizationCheckerInterface::class)->getMock();
         $authorizationChecker->expects($this->once())->method('isGranted')->willReturn(true);
 
         $container = new Container();
@@ -355,9 +355,9 @@ class AbstractControllerTest extends TestCase
 
     public function testdenyAccessUnlessGranted()
     {
-        $this->expectException('Symfony\Component\Security\Core\Exception\AccessDeniedException');
+        $this->expectException(\Symfony\Component\Security\Core\Exception\AccessDeniedException::class);
 
-        $authorizationChecker = $this->getMockBuilder('Symfony\Component\Security\Core\Authorization\AuthorizationCheckerInterface')->getMock();
+        $authorizationChecker = $this->getMockBuilder(\Symfony\Component\Security\Core\Authorization\AuthorizationCheckerInterface::class)->getMock();
         $authorizationChecker->expects($this->once())->method('isGranted')->willReturn(false);
 
         $container = new Container();
@@ -371,7 +371,7 @@ class AbstractControllerTest extends TestCase
 
     public function testRenderViewTwig()
     {
-        $twig = $this->getMockBuilder('Twig\Environment')->disableOriginalConstructor()->getMock();
+        $twig = $this->getMockBuilder(\Twig\Environment::class)->disableOriginalConstructor()->getMock();
         $twig->expects($this->once())->method('render')->willReturn('bar');
 
         $container = new Container();
@@ -385,7 +385,7 @@ class AbstractControllerTest extends TestCase
 
     public function testRenderTwig()
     {
-        $twig = $this->getMockBuilder('Twig\Environment')->disableOriginalConstructor()->getMock();
+        $twig = $this->getMockBuilder(\Twig\Environment::class)->disableOriginalConstructor()->getMock();
         $twig->expects($this->once())->method('render')->willReturn('bar');
 
         $container = new Container();
@@ -399,7 +399,7 @@ class AbstractControllerTest extends TestCase
 
     public function testStreamTwig()
     {
-        $twig = $this->getMockBuilder('Twig\Environment')->disableOriginalConstructor()->getMock();
+        $twig = $this->getMockBuilder(\Twig\Environment::class)->disableOriginalConstructor()->getMock();
 
         $container = new Container();
         $container->set('twig', $twig);
@@ -407,12 +407,12 @@ class AbstractControllerTest extends TestCase
         $controller = $this->createController();
         $controller->setContainer($container);
 
-        $this->assertInstanceOf('Symfony\Component\HttpFoundation\StreamedResponse', $controller->stream('foo'));
+        $this->assertInstanceOf(\Symfony\Component\HttpFoundation\StreamedResponse::class, $controller->stream('foo'));
     }
 
     public function testRedirectToRoute()
     {
-        $router = $this->getMockBuilder('Symfony\Component\Routing\RouterInterface')->getMock();
+        $router = $this->getMockBuilder(\Symfony\Component\Routing\RouterInterface::class)->getMock();
         $router->expects($this->once())->method('generate')->willReturn('/foo');
 
         $container = new Container();
@@ -422,7 +422,7 @@ class AbstractControllerTest extends TestCase
         $controller->setContainer($container);
         $response = $controller->redirectToRoute('foo');
 
-        $this->assertInstanceOf('Symfony\Component\HttpFoundation\RedirectResponse', $response);
+        $this->assertInstanceOf(\Symfony\Component\HttpFoundation\RedirectResponse::class, $response);
         $this->assertSame('/foo', $response->getTargetUrl());
         $this->assertSame(302, $response->getStatusCode());
     }
@@ -433,7 +433,7 @@ class AbstractControllerTest extends TestCase
     public function testAddFlash()
     {
         $flashBag = new FlashBag();
-        $session = $this->getMockBuilder('Symfony\Component\HttpFoundation\Session\Session')->getMock();
+        $session = $this->getMockBuilder(\Symfony\Component\HttpFoundation\Session\Session::class)->getMock();
         $session->expects($this->once())->method('getFlashBag')->willReturn($flashBag);
 
         $container = new Container();
@@ -450,12 +450,12 @@ class AbstractControllerTest extends TestCase
     {
         $controller = $this->createController();
 
-        $this->assertInstanceOf('Symfony\Component\Security\Core\Exception\AccessDeniedException', $controller->createAccessDeniedException());
+        $this->assertInstanceOf(\Symfony\Component\Security\Core\Exception\AccessDeniedException::class, $controller->createAccessDeniedException());
     }
 
     public function testIsCsrfTokenValid()
     {
-        $tokenManager = $this->getMockBuilder('Symfony\Component\Security\Csrf\CsrfTokenManagerInterface')->getMock();
+        $tokenManager = $this->getMockBuilder(\Symfony\Component\Security\Csrf\CsrfTokenManagerInterface::class)->getMock();
         $tokenManager->expects($this->once())->method('isTokenValid')->willReturn(true);
 
         $container = new Container();
@@ -469,7 +469,7 @@ class AbstractControllerTest extends TestCase
 
     public function testGenerateUrl()
     {
-        $router = $this->getMockBuilder('Symfony\Component\Routing\RouterInterface')->getMock();
+        $router = $this->getMockBuilder(\Symfony\Component\Routing\RouterInterface::class)->getMock();
         $router->expects($this->once())->method('generate')->willReturn('/foo');
 
         $container = new Container();
@@ -486,7 +486,7 @@ class AbstractControllerTest extends TestCase
         $controller = $this->createController();
         $response = $controller->redirect('http://dunglas.fr', 301);
 
-        $this->assertInstanceOf('Symfony\Component\HttpFoundation\RedirectResponse', $response);
+        $this->assertInstanceOf(\Symfony\Component\HttpFoundation\RedirectResponse::class, $response);
         $this->assertSame('http://dunglas.fr', $response->getTargetUrl());
         $this->assertSame(301, $response->getStatusCode());
     }
@@ -495,14 +495,14 @@ class AbstractControllerTest extends TestCase
     {
         $controller = $this->createController();
 
-        $this->assertInstanceOf('Symfony\Component\HttpKernel\Exception\NotFoundHttpException', $controller->createNotFoundException());
+        $this->assertInstanceOf(\Symfony\Component\HttpKernel\Exception\NotFoundHttpException::class, $controller->createNotFoundException());
     }
 
     public function testCreateForm()
     {
         $form = new Form($this->getMockBuilder(FormConfigInterface::class)->getMock());
 
-        $formFactory = $this->getMockBuilder('Symfony\Component\Form\FormFactoryInterface')->getMock();
+        $formFactory = $this->getMockBuilder(\Symfony\Component\Form\FormFactoryInterface::class)->getMock();
         $formFactory->expects($this->once())->method('create')->willReturn($form);
 
         $container = new Container();
@@ -516,9 +516,9 @@ class AbstractControllerTest extends TestCase
 
     public function testCreateFormBuilder()
     {
-        $formBuilder = $this->getMockBuilder('Symfony\Component\Form\FormBuilderInterface')->getMock();
+        $formBuilder = $this->getMockBuilder(\Symfony\Component\Form\FormBuilderInterface::class)->getMock();
 
-        $formFactory = $this->getMockBuilder('Symfony\Component\Form\FormFactoryInterface')->getMock();
+        $formFactory = $this->getMockBuilder(\Symfony\Component\Form\FormFactoryInterface::class)->getMock();
         $formFactory->expects($this->once())->method('createBuilder')->willReturn($formBuilder);
 
         $container = new Container();
@@ -532,7 +532,7 @@ class AbstractControllerTest extends TestCase
 
     public function testGetDoctrine()
     {
-        $doctrine = $this->getMockBuilder('Doctrine\Persistence\ManagerRegistry')->getMock();
+        $doctrine = $this->getMockBuilder(\Doctrine\Persistence\ManagerRegistry::class)->getMock();
 
         $container = new Container();
         $container->set('doctrine', $doctrine);

src/Symfony/Bundle/FrameworkBundle/Tests/Controller/ControllerResolverTest.php

@@ -31,8 +31,8 @@ class ControllerResolverTest extends ContainerControllerResolverTest
 
         $controller = $resolver->getController($request);
 
-        $this->assertInstanceOf('Symfony\Bundle\FrameworkBundle\Tests\Controller\ContainerAwareController', $controller[0]);
-        $this->assertInstanceOf('Symfony\Component\DependencyInjection\ContainerInterface', $controller[0]->getContainer());
+        $this->assertInstanceOf(\Symfony\Bundle\FrameworkBundle\Tests\Controller\ContainerAwareController::class, $controller[0]);
+        $this->assertInstanceOf(ContainerInterface::class, $controller[0]->getContainer());
         $this->assertSame('testAction', $controller[1]);
     }
 
@@ -44,8 +44,8 @@ class ControllerResolverTest extends ContainerControllerResolverTest
 
         $controller = $resolver->getController($request);
 
-        $this->assertInstanceOf('Symfony\Bundle\FrameworkBundle\Tests\Controller\ContainerAwareController', $controller);
-        $this->assertInstanceOf('Symfony\Component\DependencyInjection\ContainerInterface', $controller->getContainer());
+        $this->assertInstanceOf(\Symfony\Bundle\FrameworkBundle\Tests\Controller\ContainerAwareController::class, $controller);
+        $this->assertInstanceOf(ContainerInterface::class, $controller->getContainer());
     }
 
     public function testContainerAwareControllerGetsContainerWhenNotSet()
@@ -68,7 +68,7 @@ class ControllerResolverTest extends ContainerControllerResolverTest
 
     public function testAbstractControllerGetsContainerWhenNotSet()
     {
-        $this->expectException('LogicException');
+        $this->expectException(\LogicException::class);
         $this->expectExceptionMessage('"Symfony\\Bundle\\FrameworkBundle\\Tests\\Controller\\TestAbstractController" has no container set, did you forget to define it as a service subscriber?');
 
         class_exists(AbstractControllerTest::class);
@@ -89,7 +89,7 @@ class ControllerResolverTest extends ContainerControllerResolverTest
 
     public function testAbstractControllerServiceWithFqcnIdGetsContainerWhenNotSet()
     {
-        $this->expectException('LogicException');
+        $this->expectException(\LogicException::class);
         $this->expectExceptionMessage('"Symfony\\Bundle\\FrameworkBundle\\Tests\\Controller\\DummyController" has no container set, did you forget to define it as a service subscriber?');
 
         class_exists(AbstractControllerTest::class);
@@ -159,12 +159,12 @@ class ControllerResolverTest extends ContainerControllerResolverTest
 
     protected function createMockParser()
     {
-        return $this->getMockBuilder('Symfony\Bundle\FrameworkBundle\Controller\ControllerNameParser')->disableOriginalConstructor()->getMock();
+        return $this->getMockBuilder(\Symfony\Bundle\FrameworkBundle\Controller\ControllerNameParser::class)->disableOriginalConstructor()->getMock();
     }
 
     protected function createMockContainer()
     {
-        return $this->getMockBuilder('Symfony\Component\DependencyInjection\ContainerInterface')->getMock();
+        return $this->getMockBuilder(ContainerInterface::class)->getMock();
     }
 }
 

src/Symfony/Bundle/FrameworkBundle/Tests/Controller/TemplateControllerTest.php

@@ -23,7 +23,7 @@ class TemplateControllerTest extends TestCase
 {
     public function testTwig()
     {
-        $twig = $this->getMockBuilder('Twig\Environment')->disableOriginalConstructor()->getMock();
+        $twig = $this->getMockBuilder(Environment::class)->disableOriginalConstructor()->getMock();
         $twig->expects($this->exactly(2))->method('render')->willReturn('bar');
 
         $controller = new TemplateController($twig);
@@ -34,7 +34,7 @@ class TemplateControllerTest extends TestCase
 
     public function testNoTwig()
     {
-        $this->expectException('LogicException');
+        $this->expectException(\LogicException::class);
         $this->expectExceptionMessage('You can not use the TemplateController if the Twig Bundle is not available.');
         $controller = new TemplateController();
 

src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/FrameworkExtensionTest.php

@@ -125,7 +125,7 @@ abstract class FrameworkExtensionTest extends TestCase
 
     public function testCsrfProtectionNeedsSessionToBeEnabled()
     {
-        $this->expectException('LogicException');
+        $this->expectException(\LogicException::class);
         $this->expectExceptionMessage('CSRF protection needs sessions to be enabled.');
         $this->createContainerFromFile('csrf_needs_session');
     }
@@ -293,21 +293,21 @@ abstract class FrameworkExtensionTest extends TestCase
 
     public function testWorkflowAreValidated()
     {
-        $this->expectException('Symfony\Component\Workflow\Exception\InvalidDefinitionException');
+        $this->expectException(\Symfony\Component\Workflow\Exception\InvalidDefinitionException::class);
         $this->expectExceptionMessage('A transition from a place/state must have an unique name. Multiple transitions named "go" from place/state "first" were found on StateMachine "my_workflow".');
         $this->createContainerFromFile('workflow_not_valid');
     }
 
     public function testWorkflowCannotHaveBothSupportsAndSupportStrategy()
     {
-        $this->expectException('Symfony\Component\Config\Definition\Exception\InvalidConfigurationException');
+        $this->expectException(\Symfony\Component\Config\Definition\Exception\InvalidConfigurationException::class);
         $this->expectExceptionMessage('"supports" and "support_strategy" cannot be used together.');
         $this->createContainerFromFile('workflow_with_support_and_support_strategy');
     }
 
     public function testWorkflowShouldHaveOneOfSupportsAndSupportStrategy()
     {
-        $this->expectException('Symfony\Component\Config\Definition\Exception\InvalidConfigurationException');
+        $this->expectException(\Symfony\Component\Config\Definition\Exception\InvalidConfigurationException::class);
         $this->expectExceptionMessage('"supports" or "support_strategy" should be configured.');
         $this->createContainerFromFile('workflow_without_support_and_support_strategy');
     }
@@ -471,7 +471,7 @@ abstract class FrameworkExtensionTest extends TestCase
 
     public function testRouterRequiresResourceOption()
     {
-        $this->expectException('Symfony\Component\Config\Definition\Exception\InvalidConfigurationException');
+        $this->expectException(\Symfony\Component\Config\Definition\Exception\InvalidConfigurationException::class);
         $container = $this->createContainer();
         $loader = new FrameworkExtension();
         $loader->load([['router' => true]], $container);
@@ -722,14 +722,14 @@ abstract class FrameworkExtensionTest extends TestCase
 
     public function testMessengerMiddlewareFactoryErroneousFormat()
     {
-        $this->expectException('InvalidArgumentException');
+        $this->expectException(\InvalidArgumentException::class);
         $this->expectExceptionMessage('Invalid middleware at path "framework.messenger": a map with a single factory id as key and its arguments as value was expected, {"foo":["qux"],"bar":["baz"]} given.');
         $this->createContainerFromFile('messenger_middleware_factory_erroneous_format');
     }
 
     public function testMessengerInvalidTransportRouting()
     {
-        $this->expectException('LogicException');
+        $this->expectException(\LogicException::class);
         $this->expectExceptionMessage('Invalid Messenger routing configuration: the "Symfony\Bundle\FrameworkBundle\Tests\Fixtures\Messenger\DummyMessage" class is being routed to a sender called "invalid". This is not a valid transport or service id.');
         $this->createContainerFromFile('messenger_routing_invalid_transport');
     }
@@ -745,19 +745,19 @@ abstract class FrameworkExtensionTest extends TestCase
         $this->assertSame($container->getParameter('kernel.cache_dir').'/translations', $options['cache_dir']);
 
         $files = array_map('realpath', $options['resource_files']['en']);
-        $ref = new \ReflectionClass('Symfony\Component\Validator\Validation');
+        $ref = new \ReflectionClass(\Symfony\Component\Validator\Validation::class);
         $this->assertContains(
             strtr(\dirname($ref->getFileName()).'/Resources/translations/validators.en.xlf', '/', \DIRECTORY_SEPARATOR),
             $files,
             '->registerTranslatorConfiguration() finds Validator translation resources'
         );
-        $ref = new \ReflectionClass('Symfony\Component\Form\Form');
+        $ref = new \ReflectionClass(\Symfony\Component\Form\Form::class);
         $this->assertContains(
             strtr(\dirname($ref->getFileName()).'/Resources/translations/validators.en.xlf', '/', \DIRECTORY_SEPARATOR),
             $files,
             '->registerTranslatorConfiguration() finds Form translation resources'
         );
-        $ref = new \ReflectionClass('Symfony\Component\Security\Core\Security');
+        $ref = new \ReflectionClass(\Symfony\Component\Security\Core\Security::class);
         $this->assertContains(
             strtr(\dirname($ref->getFileName()).'/Resources/translations/security.en.xlf', '/', \DIRECTORY_SEPARATOR),
             $files,
@@ -814,7 +814,7 @@ abstract class FrameworkExtensionTest extends TestCase
         $container = $this->createContainerFromFile('full');
         $projectDir = $container->getParameter('kernel.project_dir');
 
-        $ref = new \ReflectionClass('Symfony\Component\Form\Form');
+        $ref = new \ReflectionClass(\Symfony\Component\Form\Form::class);
         $xmlMappings = [
             \dirname($ref->getFileName()).'/Resources/config/validation.xml',
             strtr($projectDir.'/config/validator/foo.xml', '/', \DIRECTORY_SEPARATOR),
@@ -847,7 +847,7 @@ abstract class FrameworkExtensionTest extends TestCase
     {
         $container = $this->createContainerFromFile('validation_annotations', ['kernel.charset' => 'UTF-8'], false);
 
-        $this->assertInstanceOf('Symfony\Component\Validator\Validator\ValidatorInterface', $container->get('validator'));
+        $this->assertInstanceOf(\Symfony\Component\Validator\Validator\ValidatorInterface::class, $container->get('validator'));
     }
 
     public function testAnnotations()

src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/PhpFrameworkExtensionTest.php

@@ -25,7 +25,7 @@ class PhpFrameworkExtensionTest extends FrameworkExtensionTest
 
     public function testAssetsCannotHavePathAndUrl()
     {
-        $this->expectException('LogicException');
+        $this->expectException(\LogicException::class);
         $this->createContainerFromClosure(function ($container) {
             $container->loadFromExtension('framework', [
                 'assets' => [
@@ -38,7 +38,7 @@ class PhpFrameworkExtensionTest extends FrameworkExtensionTest
 
     public function testAssetPackageCannotHavePathAndUrl()
     {
-        $this->expectException('LogicException');
+        $this->expectException(\LogicException::class);
         $this->createContainerFromClosure(function ($container) {
             $container->loadFromExtension('framework', [
                 'assets' => [
@@ -55,7 +55,7 @@ class PhpFrameworkExtensionTest extends FrameworkExtensionTest
 
     public function testWorkflowValidationStateMachine()
     {
-        $this->expectException('Symfony\Component\Workflow\Exception\InvalidDefinitionException');
+        $this->expectException(\Symfony\Component\Workflow\Exception\InvalidDefinitionException::class);
         $this->expectExceptionMessage('A transition from a place/state must have an unique name. Multiple transitions named "a_to_b" from place/state "a" were found on StateMachine "article".');
         $this->createContainerFromClosure(function ($container) {
             $container->loadFromExtension('framework', [

src/Symfony/Bundle/FrameworkBundle/Tests/Routing/RouterTest.php

@@ -25,7 +25,7 @@ class RouterTest extends TestCase
 {
     public function testConstructThrowsOnNonSymfonyNorPsr11Container()
     {
-        $this->expectException('LogicException');
+        $this->expectException(\LogicException::class);
         $this->expectExceptionMessage('You should either pass a "Symfony\Component\DependencyInjection\ContainerInterface" instance or provide the $parameters argument of the "Symfony\Bundle\FrameworkBundle\Routing\Router::__construct" method');
         new Router($this->createMock(ContainerInterface::class), 'foo');
     }
@@ -293,7 +293,7 @@ class RouterTest extends TestCase
 
     public function testEnvPlaceholders()
     {
-        $this->expectException('Symfony\Component\DependencyInjection\Exception\RuntimeException');
+        $this->expectException(RuntimeException::class);
         $this->expectExceptionMessage('Using "%env(FOO)%" is not allowed in routing configuration.');
         $routes = new RouteCollection();
 
@@ -305,7 +305,7 @@ class RouterTest extends TestCase
 
     public function testEnvPlaceholdersWithSfContainer()
     {
-        $this->expectException('Symfony\Component\DependencyInjection\Exception\RuntimeException');
+        $this->expectException(RuntimeException::class);
         $this->expectExceptionMessage('Using "%env(FOO)%" is not allowed in routing configuration.');
         $routes = new RouteCollection();
 
@@ -375,7 +375,7 @@ class RouterTest extends TestCase
 
     public function testExceptionOnNonExistentParameterWithSfContainer()
     {
-        $this->expectException('Symfony\Component\DependencyInjection\Exception\ParameterNotFoundException');
+        $this->expectException(\Symfony\Component\DependencyInjection\Exception\ParameterNotFoundException::class);
         $this->expectExceptionMessage('You have requested a non-existent parameter "nope".');
         $routes = new RouteCollection();
 
@@ -389,7 +389,7 @@ class RouterTest extends TestCase
 
     public function testExceptionOnNonStringParameter()
     {
-        $this->expectException('Symfony\Component\DependencyInjection\Exception\RuntimeException');
+        $this->expectException(RuntimeException::class);
         $this->expectExceptionMessage('The container parameter "object", used in the route configuration value "/%object%", must be a string or numeric, but it is of type "stdClass".');
         $routes = new RouteCollection();
 
@@ -404,7 +404,7 @@ class RouterTest extends TestCase
 
     public function testExceptionOnNonStringParameterWithSfContainer()
     {
-        $this->expectException('Symfony\Component\DependencyInjection\Exception\RuntimeException');
+        $this->expectException(RuntimeException::class);
         $this->expectExceptionMessage('The container parameter "object", used in the route configuration value "/%object%", must be a string or numeric, but it is of type "stdClass".');
         $routes = new RouteCollection();
 
@@ -504,7 +504,7 @@ class RouterTest extends TestCase
 
     private function getServiceContainer(RouteCollection $routes): Container
     {
-        $loader = $this->getMockBuilder('Symfony\Component\Config\Loader\LoaderInterface')->getMock();
+        $loader = $this->getMockBuilder(LoaderInterface::class)->getMock();
 
         $loader
             ->expects($this->any())
@@ -512,7 +512,7 @@ class RouterTest extends TestCase
             ->willReturn($routes)
         ;
 
-        $sc = $this->getMockBuilder('Symfony\\Component\\DependencyInjection\\Container')->setMethods(['get'])->getMock();
+        $sc = $this->getMockBuilder(Container::class)->setMethods(['get'])->getMock();
 
         $sc
             ->expects($this->once())

src/Symfony/Bundle/FrameworkBundle/Tests/Translation/TranslatorTest.php

@@ -81,7 +81,7 @@ class TranslatorTest extends TestCase
         $this->assertEquals('foobarbax (sr@latin)', $translator->trans('foobarbax'));
 
         // do it another time as the cache is primed now
-        $loader = $this->getMockBuilder('Symfony\Component\Translation\Loader\LoaderInterface')->getMock();
+        $loader = $this->getMockBuilder(\Symfony\Component\Translation\Loader\LoaderInterface::class)->getMock();
         $loader->expects($this->never())->method('load');
 
         $translator = $this->getTranslator($loader, ['cache_dir' => $this->tmpDir]);
@@ -99,9 +99,9 @@ class TranslatorTest extends TestCase
 
     public function testTransWithCachingWithInvalidLocale()
     {
-        $this->expectException('InvalidArgumentException');
+        $this->expectException(\InvalidArgumentException::class);
         $this->expectExceptionMessage('Invalid "invalid locale" locale.');
-        $loader = $this->getMockBuilder('Symfony\Component\Translation\Loader\LoaderInterface')->getMock();
+        $loader = $this->getMockBuilder(\Symfony\Component\Translation\Loader\LoaderInterface::class)->getMock();
         $translator = $this->getTranslator($loader, ['cache_dir' => $this->tmpDir], 'loader', TranslatorWithInvalidLocale::class);
 
         $translator->trans('foo');
@@ -132,9 +132,9 @@ class TranslatorTest extends TestCase
 
     public function testInvalidOptions()
     {
-        $this->expectException('Symfony\Component\Translation\Exception\InvalidArgumentException');
+        $this->expectException(\Symfony\Component\Translation\Exception\InvalidArgumentException::class);
         $this->expectExceptionMessage('The Translator does not support the following options: \'foo\'');
-        $container = $this->getMockBuilder('Symfony\Component\DependencyInjection\ContainerInterface')->getMock();
+        $container = $this->getMockBuilder(\Symfony\Component\DependencyInjection\ContainerInterface::class)->getMock();
 
         (new Translator($container, new MessageFormatter(), 'en', [], ['foo' => 'bar']));
     }
@@ -144,7 +144,7 @@ class TranslatorTest extends TestCase
     {
         $someCatalogue = $this->getCatalogue('some_locale', []);
 
-        $loader = $this->getMockBuilder('Symfony\Component\Translation\Loader\LoaderInterface')->getMock();
+        $loader = $this->getMockBuilder(\Symfony\Component\Translation\Loader\LoaderInterface::class)->getMock();
 
         $loader->expects($this->exactly(2))
             ->method('load')
@@ -262,7 +262,7 @@ class TranslatorTest extends TestCase
 
     protected function getLoader()
     {
-        $loader = $this->getMockBuilder('Symfony\Component\Translation\Loader\LoaderInterface')->getMock();
+        $loader = $this->getMockBuilder(\Symfony\Component\Translation\Loader\LoaderInterface::class)->getMock();
         $loader
             ->expects($this->exactly(7))
             ->method('load')
@@ -298,7 +298,7 @@ class TranslatorTest extends TestCase
 
     protected function getContainer($loader)
     {
-        $container = $this->getMockBuilder('Symfony\Component\DependencyInjection\ContainerInterface')->getMock();
+        $container = $this->getMockBuilder(\Symfony\Component\DependencyInjection\ContainerInterface::class)->getMock();
         $container
             ->expects($this->any())
             ->method('get')
@@ -339,7 +339,7 @@ class TranslatorTest extends TestCase
         $translator->setFallbackLocales(['fr']);
         $translator->warmup($this->tmpDir);
 
-        $loader = $this->getMockBuilder('Symfony\Component\Translation\Loader\LoaderInterface')->getMock();
+        $loader = $this->getMockBuilder(\Symfony\Component\Translation\Loader\LoaderInterface::class)->getMock();
         $loader
             ->expects($this->never())
             ->method('load');

src/Symfony/Bundle/TwigBundle/DependencyInjection/TwigExtension.php

@@ -37,7 +37,7 @@ class TwigExtension extends Extension
         $loader = new XmlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
         $loader->load('twig.xml');
 
-        if (class_exists('Symfony\Component\Form\Form')) {
+        if (class_exists(\Symfony\Component\Form\Form::class)) {
             $loader->load('form.xml');
         }
 

src/Symfony/Component/Asset/Tests/VersionStrategy/RemoteJsonManifestVersionStrategyTest.php

@@ -42,7 +42,7 @@ class RemoteJsonManifestVersionStrategyTest extends TestCase
 
     public function testMissingManifestFileThrowsException()
     {
-        $this->expectException('RuntimeException');
+        $this->expectException(\RuntimeException::class);
         $this->expectExceptionMessage('HTTP 404 returned for "https://cdn.example.com/non-existent-file.json"');
         $strategy = $this->createStrategy('https://cdn.example.com/non-existent-file.json');
         $strategy->getVersion('main.js');

src/Symfony/Component/BrowserKit/AbstractBrowser.php

@@ -111,7 +111,7 @@ abstract class AbstractBrowser
      */
     public function insulate(bool $insulated = true)
     {
-        if ($insulated && !class_exists('Symfony\\Component\\Process\\Process')) {
+        if ($insulated && !class_exists(\Symfony\Component\Process\Process::class)) {
             throw new \LogicException('Unable to isolate requests as the Symfony Process Component is not installed.');
         }
 
@@ -503,7 +503,7 @@ abstract class AbstractBrowser
      */
     protected function createCrawlerFromContent(string $uri, string $content, string $type)
     {
-        if (!class_exists('Symfony\Component\DomCrawler\Crawler')) {
+        if (!class_exists(Crawler::class)) {
             return null;
         }
 

src/Symfony/Component/BrowserKit/Tests/AbstractBrowserTest.php

@@ -45,7 +45,7 @@ class AbstractBrowserTest extends TestCase
 
     public function testGetRequestNull()
     {
-        $this->expectException('Symfony\Component\BrowserKit\Exception\BadMethodCallException');
+        $this->expectException(\Symfony\Component\BrowserKit\Exception\BadMethodCallException::class);
         $this->expectExceptionMessage('The "request()" method must be called before "Symfony\\Component\\BrowserKit\\AbstractBrowser::getRequest()".');
 
         $client = $this->getBrowser();
@@ -82,7 +82,7 @@ class AbstractBrowserTest extends TestCase
 
     public function testGetResponseNull()
     {
-        $this->expectException('Symfony\Component\BrowserKit\Exception\BadMethodCallException');
+        $this->expectException(\Symfony\Component\BrowserKit\Exception\BadMethodCallException::class);
         $this->expectExceptionMessage('The "request()" method must be called before "Symfony\\Component\\BrowserKit\\AbstractBrowser::getResponse()".');
 
         $client = $this->getBrowser();
@@ -91,7 +91,7 @@ class AbstractBrowserTest extends TestCase
 
     public function testGetInternalResponseNull()
     {
-        $this->expectException('Symfony\Component\BrowserKit\Exception\BadMethodCallException');
+        $this->expectException(\Symfony\Component\BrowserKit\Exception\BadMethodCallException::class);
         $this->expectExceptionMessage('The "request()" method must be called before "Symfony\\Component\\BrowserKit\\AbstractBrowser::getInternalResponse()".');
 
         $client = $this->getBrowser();
@@ -118,7 +118,7 @@ class AbstractBrowserTest extends TestCase
 
     public function testGetCrawlerNull()
     {
-        $this->expectException('Symfony\Component\BrowserKit\Exception\BadMethodCallException');
+        $this->expectException(\Symfony\Component\BrowserKit\Exception\BadMethodCallException::class);
         $this->expectExceptionMessage('The "request()" method must be called before "Symfony\\Component\\BrowserKit\\AbstractBrowser::getCrawler()".');
 
         $client = $this->getBrowser();
@@ -831,7 +831,7 @@ class AbstractBrowserTest extends TestCase
 
     public function testInternalRequestNull()
     {
-        $this->expectException('Symfony\Component\BrowserKit\Exception\BadMethodCallException');
+        $this->expectException(\Symfony\Component\BrowserKit\Exception\BadMethodCallException::class);
         $this->expectExceptionMessage('The "request()" method must be called before "Symfony\\Component\\BrowserKit\\AbstractBrowser::getInternalRequest()".');
 
         $client = $this->getBrowser();

src/Symfony/Component/Cache/Adapter/ApcuAdapter.php

@@ -82,7 +82,7 @@ class ApcuAdapter extends AbstractAdapter
      */
     protected function doClear(string $namespace)
     {
-        return isset($namespace[0]) && class_exists('APCuIterator', false) && ('cli' !== \PHP_SAPI || filter_var(ini_get('apc.enable_cli'), \FILTER_VALIDATE_BOOLEAN))
+        return isset($namespace[0]) && class_exists(\APCuIterator::class, false) && ('cli' !== \PHP_SAPI || filter_var(ini_get('apc.enable_cli'), \FILTER_VALIDATE_BOOLEAN))
             ? apcu_delete(new \APCuIterator(sprintf('/^%s/', preg_quote($namespace, '/')), \APC_ITER_KEY))
             : apcu_clear_cache();
     }

src/Symfony/Component/Config/Tests/ConfigCacheFactoryTest.php

@@ -18,7 +18,7 @@ class ConfigCacheFactoryTest extends TestCase
 {
     public function testCacheWithInvalidCallback()
     {
-        $this->expectException('TypeError');
+        $this->expectException(\TypeError::class);
         $cacheFactory = new ConfigCacheFactory(true);
 
         $cacheFactory->cache('file', new \stdClass());

src/Symfony/Component/Config/Tests/Definition/ScalarNodeTest.php

@@ -80,7 +80,7 @@ class ScalarNodeTest extends TestCase
      */
     public function testNormalizeThrowsExceptionOnInvalidValues($value)
     {
-        $this->expectException('Symfony\Component\Config\Definition\Exception\InvalidTypeException');
+        $this->expectException(\Symfony\Component\Config\Definition\Exception\InvalidTypeException::class);
         $node = new ScalarNode('test');
         $node->normalize($value);
     }
@@ -98,7 +98,7 @@ class ScalarNodeTest extends TestCase
     {
         $node = new ScalarNode('test');
 
-        $this->expectException('Symfony\Component\Config\Definition\Exception\InvalidTypeException');
+        $this->expectException(\Symfony\Component\Config\Definition\Exception\InvalidTypeException::class);
         $this->expectExceptionMessage('Invalid type for path "test". Expected "scalar", but got "array".');
 
         $node->normalize([]);
@@ -109,7 +109,7 @@ class ScalarNodeTest extends TestCase
         $node = new ScalarNode('test');
         $node->setInfo('"the test value"');
 
-        $this->expectException('Symfony\Component\Config\Definition\Exception\InvalidTypeException');
+        $this->expectException(\Symfony\Component\Config\Definition\Exception\InvalidTypeException::class);
         $this->expectExceptionMessage("Invalid type for path \"test\". Expected \"scalar\", but got \"array\".\nHint: \"the test value\"");
 
         $node->normalize([]);
@@ -148,7 +148,7 @@ class ScalarNodeTest extends TestCase
      */
     public function testNotAllowedEmptyValuesThrowException($value)
     {
-        $this->expectException('Symfony\Component\Config\Definition\Exception\InvalidConfigurationException');
+        $this->expectException(\Symfony\Component\Config\Definition\Exception\InvalidConfigurationException::class);
         $node = new ScalarNode('test');
         $node->setAllowEmptyValue(false);
         $node->finalize($value);

src/Symfony/Component/Console/Tests/ApplicationTest.php

@@ -738,7 +738,7 @@ class ApplicationTest extends TestCase
         $application->add(new \FooCommand());
         $application->add(new \FooHiddenCommand());
 
-        $this->assertInstanceOf('FooCommand', $application->find('foo:'));
+        $this->assertInstanceOf(\FooCommand::class, $application->find('foo:'));
     }
 
     public function testSetCatchExceptions()

src/Symfony/Component/Console/Tests/Command/CommandTest.php

@@ -42,7 +42,7 @@ class CommandTest extends TestCase
 
     public function testCommandNameCannotBeEmpty()
     {
-        $this->expectException('LogicException');
+        $this->expectException(\LogicException::class);
         $this->expectExceptionMessage('The command defined in "Symfony\Component\Console\Command\Command" cannot have an empty name.');
         (new Application())->add(new Command());
     }
@@ -115,7 +115,7 @@ class CommandTest extends TestCase
      */
     public function testInvalidCommandNames($name)
     {
-        $this->expectException('InvalidArgumentException');
+        $this->expectException(\InvalidArgumentException::class);
         $this->expectExceptionMessage(sprintf('Command name "%s" is invalid.', $name));
 
         $command = new \TestCommand();
@@ -207,7 +207,7 @@ class CommandTest extends TestCase
 
     public function testGetHelperWithoutHelperSet()
     {
-        $this->expectException('LogicException');
+        $this->expectException(\LogicException::class);
         $this->expectExceptionMessage('Cannot retrieve helper "formatter" because there is no HelperSet defined.');
         $command = new \TestCommand();
         $command->getHelper('formatter');
@@ -278,7 +278,7 @@ class CommandTest extends TestCase
 
     public function testExecuteMethodNeedsToBeOverridden()
     {
-        $this->expectException('LogicException');
+        $this->expectException(\LogicException::class);
         $this->expectExceptionMessage('You must override the execute() method in the concrete command class.');
         $command = new Command('foo');
         $command->run(new StringInput(''), new NullOutput());
@@ -286,7 +286,7 @@ class CommandTest extends TestCase
 
     public function testRunWithInvalidOption()
     {
-        $this->expectException('Symfony\Component\Console\Exception\InvalidOptionException');
+        $this->expectException(\Symfony\Component\Console\Exception\InvalidOptionException::class);
         $this->expectExceptionMessage('The "--bar" option does not exist.');
         $command = new \TestCommand();
         $tester = new CommandTester($command);

src/Symfony/Component/DependencyInjection/Tests/ChildDefinitionTest.php

@@ -91,7 +91,7 @@ class ChildDefinitionTest extends TestCase
 
     public function testReplaceArgumentShouldRequireIntegerIndex()
     {
-        $this->expectException('InvalidArgumentException');
+        $this->expectException(\InvalidArgumentException::class);
         $def = new ChildDefinition('foo');
 
         $def->replaceArgument('0', 'foo');
@@ -118,7 +118,7 @@ class ChildDefinitionTest extends TestCase
 
     public function testGetArgumentShouldCheckBounds()
     {
-        $this->expectException('OutOfBoundsException');
+        $this->expectException(\OutOfBoundsException::class);
         $def = new ChildDefinition('foo');
 
         $def->setArguments([0 => 'foo']);

src/Symfony/Component/DependencyInjection/Tests/Compiler/ValidateEnvPlaceholdersPassTest.php

@@ -57,7 +57,7 @@ class ValidateEnvPlaceholdersPassTest extends TestCase
 
     public function testDefaultEnvWithoutPrefixIsValidatedInConfig()
     {
-        $this->expectException('Symfony\Component\DependencyInjection\Exception\RuntimeException');
+        $this->expectException(\Symfony\Component\DependencyInjection\Exception\RuntimeException::class);
         $this->expectExceptionMessage('The default value of an env() parameter must be a string or null, but "float" given to "env(FLOATISH)".');
 
         $container = new ContainerBuilder();
@@ -217,7 +217,7 @@ class ValidateEnvPlaceholdersPassTest extends TestCase
 
     public function testEmptyEnvWhichCannotBeEmptyForScalarNodeWithValidation()
     {
-        $this->expectException('Symfony\Component\Config\Definition\Exception\InvalidConfigurationException');
+        $this->expectException(\Symfony\Component\Config\Definition\Exception\InvalidConfigurationException::class);
         $this->expectExceptionMessage('The path "env_extension.scalar_node_not_empty_validated" cannot contain an environment variable when empty values are not allowed by definition and are validated.');
 
         $container = new ContainerBuilder();

src/Symfony/Component/DependencyInjection/Tests/Extension/ExtensionTest.php

@@ -70,7 +70,7 @@ class ExtensionTest extends TestCase
 
     public function testInvalidConfiguration()
     {
-        $this->expectException('Symfony\Component\DependencyInjection\Exception\LogicException');
+        $this->expectException(\Symfony\Component\DependencyInjection\Exception\LogicException::class);
         $this->expectExceptionMessage('The extension configuration class "Symfony\\Component\\DependencyInjection\\Tests\\Fixtures\\Extension\\InvalidConfig\\Configuration" must implement "Symfony\\Component\\Config\\Definition\\ConfigurationInterface".');
 
         $extension = new InvalidConfigExtension();

src/Symfony/Component/DependencyInjection/Tests/Loader/PhpFileLoaderTest.php

@@ -95,7 +95,7 @@ class PhpFileLoaderTest extends TestCase
 
     public function testFactoryShortNotationNotAllowed()
     {
-        $this->expectException('Symfony\Component\DependencyInjection\Exception\InvalidArgumentException');
+        $this->expectException(\Symfony\Component\DependencyInjection\Exception\InvalidArgumentException::class);
         $this->expectExceptionMessage('Invalid factory "factory:method": the "service:method" notation is not available when using PHP-based DI configuration. Use "[service(\'factory\'), \'method\']" instead.');
         $fixtures = realpath(__DIR__.'/../Fixtures');
         $container = new ContainerBuilder();

src/Symfony/Component/DependencyInjection/Tests/Loader/XmlFileLoaderTest.php

@@ -60,7 +60,7 @@ class XmlFileLoaderTest extends TestCase
             $loader->load('foo.xml');
             $this->fail('->load() throws an InvalidArgumentException if the loaded file does not exist');
         } catch (\Exception $e) {
-            $this->assertInstanceOf('InvalidArgumentException', $e, '->load() throws an InvalidArgumentException if the loaded file does not exist');
+            $this->assertInstanceOf(\InvalidArgumentException::class, $e, '->load() throws an InvalidArgumentException if the loaded file does not exist');
             $this->assertStringStartsWith('The file "foo.xml" does not exist (in:', $e->getMessage(), '->load() throws an InvalidArgumentException if the loaded file does not exist');
         }
     }
@@ -76,11 +76,11 @@ class XmlFileLoaderTest extends TestCase
             $m->invoke($loader, self::$fixturesPath.'/ini/parameters.ini');
             $this->fail('->parseFileToDOM() throws an InvalidArgumentException if the loaded file is not a valid XML file');
         } catch (\Exception $e) {
-            $this->assertInstanceOf('Symfony\\Component\\DependencyInjection\\Exception\\InvalidArgumentException', $e, '->parseFileToDOM() throws an InvalidArgumentException if the loaded file is not a valid XML file');
+            $this->assertInstanceOf(\Symfony\Component\DependencyInjection\Exception\InvalidArgumentException::class, $e, '->parseFileToDOM() throws an InvalidArgumentException if the loaded file is not a valid XML file');
             $this->assertMatchesRegularExpression(sprintf('#^Unable to parse file ".+%s": .+.$#', 'parameters.ini'), $e->getMessage(), '->parseFileToDOM() throws an InvalidArgumentException if the loaded file is not a valid XML file');
 
             $e = $e->getPrevious();
-            $this->assertInstanceOf('InvalidArgumentException', $e, '->parseFileToDOM() throws an InvalidArgumentException if the loaded file is not a valid XML file');
+            $this->assertInstanceOf(\InvalidArgumentException::class, $e, '->parseFileToDOM() throws an InvalidArgumentException if the loaded file is not a valid XML file');
             $this->assertStringStartsWith('[ERROR 4] Start tag expected, \'<\' not found (in', $e->getMessage(), '->parseFileToDOM() throws an InvalidArgumentException if the loaded file is not a valid XML file');
         }
 
@@ -90,16 +90,16 @@ class XmlFileLoaderTest extends TestCase
             $m->invoke($loader, self::$fixturesPath.'/xml/nonvalid.xml');
             $this->fail('->parseFileToDOM() throws an InvalidArgumentException if the loaded file does not validate the XSD');
         } catch (\Exception $e) {
-            $this->assertInstanceOf('Symfony\\Component\\DependencyInjection\\Exception\\InvalidArgumentException', $e, '->parseFileToDOM() throws an InvalidArgumentException if the loaded file does not validate the XSD');
+            $this->assertInstanceOf(\Symfony\Component\DependencyInjection\Exception\InvalidArgumentException::class, $e, '->parseFileToDOM() throws an InvalidArgumentException if the loaded file does not validate the XSD');
             $this->assertMatchesRegularExpression(sprintf('#^Unable to parse file ".+%s": .+.$#', 'nonvalid.xml'), $e->getMessage(), '->parseFileToDOM() throws an InvalidArgumentException if the loaded file is not a valid XML file');
 
             $e = $e->getPrevious();
-            $this->assertInstanceOf('InvalidArgumentException', $e, '->parseFileToDOM() throws an InvalidArgumentException if the loaded file does not validate the XSD');
+            $this->assertInstanceOf(\InvalidArgumentException::class, $e, '->parseFileToDOM() throws an InvalidArgumentException if the loaded file does not validate the XSD');
             $this->assertStringStartsWith('[ERROR 1845] Element \'nonvalid\': No matching global declaration available for the validation root. (in', $e->getMessage(), '->parseFileToDOM() throws an InvalidArgumentException if the loaded file does not validate the XSD');
         }
 
         $xml = $m->invoke($loader, self::$fixturesPath.'/xml/services1.xml');
-        $this->assertInstanceOf('DOMDocument', $xml, '->parseFileToDOM() returns an SimpleXMLElement object');
+        $this->assertInstanceOf(\DOMDocument::class, $xml, '->parseFileToDOM() returns an SimpleXMLElement object');
     }
 
     public function testLoadWithExternalEntitiesDisabled()
@@ -200,11 +200,11 @@ class XmlFileLoaderTest extends TestCase
             $loader->load('services4_bad_import_with_errors.xml');
             $this->fail('->load() throws a LoaderLoadException if the imported xml file configuration does not exist');
         } catch (\Exception $e) {
-            $this->assertInstanceOf('Symfony\\Component\\Config\\Exception\\LoaderLoadException', $e, '->load() throws a LoaderLoadException if the imported xml file configuration does not exist');
+            $this->assertInstanceOf(\Symfony\Component\Config\Exception\LoaderLoadException::class, $e, '->load() throws a LoaderLoadException if the imported xml file configuration does not exist');
             $this->assertMatchesRegularExpression(sprintf('#^The file "%1$s" does not exist \(in: .+\) in %1$s \(which is being imported from ".+%2$s"\)\.$#', 'foo_fake\.xml', 'services4_bad_import_with_errors\.xml'), $e->getMessage(), '->load() throws a LoaderLoadException if the imported xml file configuration does not exist');
 
             $e = $e->getPrevious();
-            $this->assertInstanceOf('Symfony\\Component\\Config\\Exception\\FileLocatorFileNotFoundException', $e, '->load() throws a FileLocatorFileNotFoundException if the imported xml file configuration does not exist');
+            $this->assertInstanceOf(\Symfony\Component\Config\Exception\FileLocatorFileNotFoundException::class, $e, '->load() throws a FileLocatorFileNotFoundException if the imported xml file configuration does not exist');
             $this->assertMatchesRegularExpression(sprintf('#^The file "%s" does not exist \(in: .+\)\.$#', 'foo_fake\.xml'), $e->getMessage(), '->load() throws a FileLocatorFileNotFoundException if the imported xml file configuration does not exist');
         }
 
@@ -212,15 +212,15 @@ class XmlFileLoaderTest extends TestCase
             $loader->load('services4_bad_import_nonvalid.xml');
             $this->fail('->load() throws an LoaderLoadException if the imported configuration does not validate the XSD');
         } catch (\Exception $e) {
-            $this->assertInstanceOf('Symfony\\Component\\Config\\Exception\\LoaderLoadException', $e, '->load() throws a LoaderLoadException if the imported configuration does not validate the XSD');
+            $this->assertInstanceOf(\Symfony\Component\Config\Exception\LoaderLoadException::class, $e, '->load() throws a LoaderLoadException if the imported configuration does not validate the XSD');
             $this->assertMatchesRegularExpression(sprintf('#^Unable to parse file ".+%s": .+.$#', 'nonvalid\.xml'), $e->getMessage(), '->load() throws a LoaderLoadException if the imported configuration does not validate the XSD');
 
             $e = $e->getPrevious();
-            $this->assertInstanceOf('Symfony\\Component\\DependencyInjection\\Exception\\InvalidArgumentException', $e, '->load() throws an InvalidArgumentException if the configuration does not validate the XSD');
+            $this->assertInstanceOf(\Symfony\Component\DependencyInjection\Exception\InvalidArgumentException::class, $e, '->load() throws an InvalidArgumentException if the configuration does not validate the XSD');
             $this->assertMatchesRegularExpression(sprintf('#^Unable to parse file ".+%s": .+.$#', 'nonvalid\.xml'), $e->getMessage(), '->load() throws an InvalidArgumentException if the configuration does not validate the XSD');
 
             $e = $e->getPrevious();
-            $this->assertInstanceOf('Symfony\\Component\\Config\\Util\\Exception\\XmlParsingException', $e, '->load() throws a XmlParsingException if the configuration does not validate the XSD');
+            $this->assertInstanceOf(\Symfony\Component\Config\Util\Exception\XmlParsingException::class, $e, '->load() throws a XmlParsingException if the configuration does not validate the XSD');
             $this->assertStringStartsWith('[ERROR 1845] Element \'nonvalid\': No matching global declaration available for the validation root. (in', $e->getMessage(), '->load() throws a XmlParsingException if the loaded file does not validate the XSD');
         }
     }
@@ -236,7 +236,7 @@ class XmlFileLoaderTest extends TestCase
         // anonymous service as an argument
         $args = $services['foo']->getArguments();
         $this->assertCount(1, $args, '->load() references anonymous services as "normal" ones');
-        $this->assertInstanceOf('Symfony\\Component\\DependencyInjection\\Reference', $args[0], '->load() converts anonymous services to references to "normal" services');
+        $this->assertInstanceOf(Reference::class, $args[0], '->load() converts anonymous services to references to "normal" services');
         $this->assertArrayHasKey((string) $args[0], $services, '->load() makes a reference to the created ones');
         $inner = $services[(string) $args[0]];
         $this->assertEquals('BarClass', $inner->getClass(), '->load() uses the same configuration as for the anonymous ones');
@@ -245,7 +245,7 @@ class XmlFileLoaderTest extends TestCase
         // inner anonymous services
         $args = $inner->getArguments();
         $this->assertCount(1, $args, '->load() references anonymous services as "normal" ones');
-        $this->assertInstanceOf('Symfony\\Component\\DependencyInjection\\Reference', $args[0], '->load() converts anonymous services to references to "normal" services');
+        $this->assertInstanceOf(Reference::class, $args[0], '->load() converts anonymous services to references to "normal" services');
         $this->assertArrayHasKey((string) $args[0], $services, '->load() makes a reference to the created ones');
         $inner = $services[(string) $args[0]];
         $this->assertEquals('BazClass', $inner->getClass(), '->load() uses the same configuration as for the anonymous ones');
@@ -254,7 +254,7 @@ class XmlFileLoaderTest extends TestCase
         // anonymous service as a property
         $properties = $services['foo']->getProperties();
         $property = $properties['p'];
-        $this->assertInstanceOf('Symfony\\Component\\DependencyInjection\\Reference', $property, '->load() converts anonymous services to references to "normal" services');
+        $this->assertInstanceOf(Reference::class, $property, '->load() converts anonymous services to references to "normal" services');
         $this->assertArrayHasKey((string) $property, $services, '->load() makes a reference to the created ones');
         $inner = $services[(string) $property];
         $this->assertEquals('BuzClass', $inner->getClass(), '->load() uses the same configuration as for the anonymous ones');
@@ -270,7 +270,7 @@ class XmlFileLoaderTest extends TestCase
 
     public function testLoadAnonymousServicesWithoutId()
     {
-        $this->expectException('Symfony\Component\DependencyInjection\Exception\InvalidArgumentException');
+        $this->expectException(\Symfony\Component\DependencyInjection\Exception\InvalidArgumentException::class);
         $this->expectExceptionMessage('Top-level services must have "id" attribute, none found in');
         $container = new ContainerBuilder();
         $loader = new XmlFileLoader($container, new FileLocator(self::$fixturesPath.'/xml'));
@@ -296,7 +296,7 @@ class XmlFileLoaderTest extends TestCase
         $services = $container->getDefinitions();
         $this->assertArrayHasKey('foo', $services, '->load() parses <service> elements');
         $this->assertFalse($services['not_shared']->isShared(), '->load() parses shared flag');
-        $this->assertInstanceOf('Symfony\\Component\\DependencyInjection\\Definition', $services['foo'], '->load() converts <service> element to Definition instances');
+        $this->assertInstanceOf(\Symfony\Component\DependencyInjection\Definition::class, $services['foo'], '->load() converts <service> element to Definition instances');
         $this->assertEquals('FooClass', $services['foo']->getClass(), '->load() parses the class attribute');
         $this->assertEquals('%path%/foo.php', $services['file']->getFile(), '->load() parses the file tag');
         $this->assertEquals(['foo', new Reference('foo'), [true, false]], $services['arguments']->getArguments(), '->load() parses the argument tags');
@@ -378,7 +378,7 @@ class XmlFileLoaderTest extends TestCase
 
     public function testParseTagsWithoutNameThrowsException()
     {
-        $this->expectException('Symfony\Component\DependencyInjection\Exception\InvalidArgumentException');
+        $this->expectException(\Symfony\Component\DependencyInjection\Exception\InvalidArgumentException::class);
         $container = new ContainerBuilder();
         $loader = new XmlFileLoader($container, new FileLocator(self::$fixturesPath.'/xml'));
         $loader->load('tag_without_name.xml');
@@ -386,7 +386,7 @@ class XmlFileLoaderTest extends TestCase
 
     public function testParseTagWithEmptyNameThrowsException()
     {
-        $this->expectException('Symfony\Component\DependencyInjection\Exception\InvalidArgumentException');
+        $this->expectException(\Symfony\Component\DependencyInjection\Exception\InvalidArgumentException::class);
         $this->expectExceptionMessageMatches('/The tag name for service ".+" in .* must be a non-empty string/');
         $container = new ContainerBuilder();
         $loader = new XmlFileLoader($container, new FileLocator(self::$fixturesPath.'/xml'));
@@ -535,11 +535,11 @@ class XmlFileLoaderTest extends TestCase
             $loader->load('extensions/services3.xml');
             $this->fail('->load() throws an InvalidArgumentException if the configuration does not validate the XSD');
         } catch (\Exception $e) {
-            $this->assertInstanceOf('Symfony\\Component\\DependencyInjection\\Exception\\InvalidArgumentException', $e, '->load() throws an InvalidArgumentException if the configuration does not validate the XSD');
+            $this->assertInstanceOf(\Symfony\Component\DependencyInjection\Exception\InvalidArgumentException::class, $e, '->load() throws an InvalidArgumentException if the configuration does not validate the XSD');
             $this->assertMatchesRegularExpression(sprintf('#^Unable to parse file ".+%s": .+.$#', 'services3.xml'), $e->getMessage(), '->load() throws an InvalidArgumentException if the configuration does not validate the XSD');
 
             $e = $e->getPrevious();
-            $this->assertInstanceOf('InvalidArgumentException', $e, '->load() throws an InvalidArgumentException if the configuration does not validate the XSD');
+            $this->assertInstanceOf(\InvalidArgumentException::class, $e, '->load() throws an InvalidArgumentException if the configuration does not validate the XSD');
             $this->assertStringContainsString('The attribute \'bar\' is not allowed', $e->getMessage(), '->load() throws an InvalidArgumentException if the configuration does not validate the XSD');
         }
 
@@ -572,11 +572,11 @@ class XmlFileLoaderTest extends TestCase
             $loader->load('extensions/services7.xml');
             $this->fail('->load() throws an InvalidArgumentException if the configuration does not validate the XSD');
         } catch (\Exception $e) {
-            $this->assertInstanceOf('Symfony\\Component\\DependencyInjection\\Exception\\InvalidArgumentException', $e, '->load() throws an InvalidArgumentException if the configuration does not validate the XSD');
+            $this->assertInstanceOf(\Symfony\Component\DependencyInjection\Exception\InvalidArgumentException::class, $e, '->load() throws an InvalidArgumentException if the configuration does not validate the XSD');
             $this->assertMatchesRegularExpression(sprintf('#^Unable to parse file ".+%s": .+.$#', 'services7.xml'), $e->getMessage(), '->load() throws an InvalidArgumentException if the configuration does not validate the XSD');
 
             $e = $e->getPrevious();
-            $this->assertInstanceOf('InvalidArgumentException', $e, '->load() throws an InvalidArgumentException if the configuration does not validate the XSD');
+            $this->assertInstanceOf(\InvalidArgumentException::class, $e, '->load() throws an InvalidArgumentException if the configuration does not validate the XSD');
             $this->assertStringContainsString('The attribute \'bar\' is not allowed', $e->getMessage(), '->load() throws an InvalidArgumentException if the configuration does not validate the XSD');
         }
     }
@@ -623,11 +623,11 @@ class XmlFileLoaderTest extends TestCase
             $loader->load('withdoctype.xml');
             $this->fail('->load() throws an InvalidArgumentException if the configuration contains a document type');
         } catch (\Exception $e) {
-            $this->assertInstanceOf('Symfony\\Component\\DependencyInjection\\Exception\\InvalidArgumentException', $e, '->load() throws an InvalidArgumentException if the configuration contains a document type');
+            $this->assertInstanceOf(\Symfony\Component\DependencyInjection\Exception\InvalidArgumentException::class, $e, '->load() throws an InvalidArgumentException if the configuration contains a document type');
             $this->assertMatchesRegularExpression(sprintf('#^Unable to parse file ".+%s": .+.$#', 'withdoctype.xml'), $e->getMessage(), '->load() throws an InvalidArgumentException if the configuration contains a document type');
 
             $e = $e->getPrevious();
-            $this->assertInstanceOf('InvalidArgumentException', $e, '->load() throws an InvalidArgumentException if the configuration contains a document type');
+            $this->assertInstanceOf(\InvalidArgumentException::class, $e, '->load() throws an InvalidArgumentException if the configuration contains a document type');
             $this->assertSame('Document types are not allowed.', $e->getMessage(), '->load() throws an InvalidArgumentException if the configuration contains a document type');
         }
     }
@@ -772,7 +772,7 @@ class XmlFileLoaderTest extends TestCase
 
     public function testAliasDefinitionContainsUnsupportedElements()
     {
-        $this->expectException('Symfony\Component\DependencyInjection\Exception\InvalidArgumentException');
+        $this->expectException(\Symfony\Component\DependencyInjection\Exception\InvalidArgumentException::class);
         $this->expectExceptionMessage('Invalid attribute "class" defined for alias "bar" in');
         $container = new ContainerBuilder();
         $loader = new XmlFileLoader($container, new FileLocator(self::$fixturesPath.'/xml'));

src/Symfony/Component/DependencyInjection/Tests/Loader/YamlFileLoaderTest.php

@@ -52,7 +52,7 @@ class YamlFileLoaderTest extends TestCase
 
     public function testLoadUnExistFile()
     {
-        $this->expectException('Symfony\Component\DependencyInjection\Exception\InvalidArgumentException');
+        $this->expectException(InvalidArgumentException::class);
         $this->expectExceptionMessageMatches('/The file ".+" does not exist./');
         $loader = new YamlFileLoader(new ContainerBuilder(), new FileLocator(self::$fixturesPath.'/ini'));
         $r = new \ReflectionObject($loader);
@@ -64,7 +64,7 @@ class YamlFileLoaderTest extends TestCase
 
     public function testLoadInvalidYamlFile()
     {
-        $this->expectException('Symfony\Component\DependencyInjection\Exception\InvalidArgumentException');
+        $this->expectException(InvalidArgumentException::class);
         $this->expectExceptionMessageMatches('/The file ".+" does not contain valid YAML./');
         $path = self::$fixturesPath.'/ini';
         $loader = new YamlFileLoader(new ContainerBuilder(), new FileLocator($path));
@@ -80,7 +80,7 @@ class YamlFileLoaderTest extends TestCase
      */
     public function testLoadInvalidFile($file)
     {
-        $this->expectException('Symfony\Component\DependencyInjection\Exception\InvalidArgumentException');
+        $this->expectException(InvalidArgumentException::class);
         $loader = new YamlFileLoader(new ContainerBuilder(), new FileLocator(self::$fixturesPath.'/yaml'));
 
         $loader->load($file.'.yml');
@@ -146,11 +146,11 @@ class YamlFileLoaderTest extends TestCase
             $loader->load('services4_bad_import_with_errors.yml');
             $this->fail('->load() throws a LoaderLoadException if the imported yaml file does not exist');
         } catch (\Exception $e) {
-            $this->assertInstanceOf('Symfony\\Component\\Config\\Exception\\LoaderLoadException', $e, '->load() throws a LoaderLoadException if the imported yaml file does not exist');
+            $this->assertInstanceOf(\Symfony\Component\Config\Exception\LoaderLoadException::class, $e, '->load() throws a LoaderLoadException if the imported yaml file does not exist');
             $this->assertMatchesRegularExpression(sprintf('#^The file "%1$s" does not exist \(in: .+\) in %1$s \(which is being imported from ".+%2$s"\)\.$#', 'foo_fake\.yml', 'services4_bad_import_with_errors\.yml'), $e->getMessage(), '->load() throws a LoaderLoadException if the imported yaml file does not exist');
 
             $e = $e->getPrevious();
-            $this->assertInstanceOf('Symfony\\Component\\Config\\Exception\\FileLocatorFileNotFoundException', $e, '->load() throws a FileLocatorFileNotFoundException if the imported yaml file does not exist');
+            $this->assertInstanceOf(\Symfony\Component\Config\Exception\FileLocatorFileNotFoundException::class, $e, '->load() throws a FileLocatorFileNotFoundException if the imported yaml file does not exist');
             $this->assertMatchesRegularExpression(sprintf('#^The file "%s" does not exist \(in: .+\)\.$#', 'foo_fake\.yml'), $e->getMessage(), '->load() throws a FileLocatorFileNotFoundException if the imported yaml file does not exist');
         }
 
@@ -158,11 +158,11 @@ class YamlFileLoaderTest extends TestCase
             $loader->load('services4_bad_import_nonvalid.yml');
             $this->fail('->load() throws a LoaderLoadException if the tag in the imported yaml file is not valid');
         } catch (\Exception $e) {
-            $this->assertInstanceOf('Symfony\\Component\\Config\\Exception\\LoaderLoadException', $e, '->load() throws a LoaderLoadException if the tag in the imported yaml file is not valid');
+            $this->assertInstanceOf(\Symfony\Component\Config\Exception\LoaderLoadException::class, $e, '->load() throws a LoaderLoadException if the tag in the imported yaml file is not valid');
             $this->assertMatchesRegularExpression(sprintf('#^The service file ".+%1$s" is not valid\. It should contain an array\. Check your YAML syntax in .+%1$s \(which is being imported from ".+%2$s"\)\.$#', 'nonvalid2\.yml', 'services4_bad_import_nonvalid.yml'), $e->getMessage(), '->load() throws a LoaderLoadException if the tag in the imported yaml file is not valid');
 
             $e = $e->getPrevious();
-            $this->assertInstanceOf('Symfony\\Component\\DependencyInjection\\Exception\\InvalidArgumentException', $e, '->load() throws an InvalidArgumentException if the tag in the imported yaml file is not valid');
+            $this->assertInstanceOf(InvalidArgumentException::class, $e, '->load() throws an InvalidArgumentException if the tag in the imported yaml file is not valid');
             $this->assertMatchesRegularExpression(sprintf('#^The service file ".+%s" is not valid\. It should contain an array\. Check your YAML syntax\.$#', 'nonvalid2\.yml'), $e->getMessage(), '->load() throws an InvalidArgumentException if the tag in the imported yaml file is not valid');
         }
     }
@@ -175,7 +175,7 @@ class YamlFileLoaderTest extends TestCase
         $services = $container->getDefinitions();
         $this->assertArrayHasKey('foo', $services, '->load() parses service elements');
         $this->assertFalse($services['not_shared']->isShared(), '->load() parses the shared flag');
-        $this->assertInstanceOf('Symfony\\Component\\DependencyInjection\\Definition', $services['foo'], '->load() converts service element to Definition instances');
+        $this->assertInstanceOf(\Symfony\Component\DependencyInjection\Definition::class, $services['foo'], '->load() converts service element to Definition instances');
         $this->assertEquals('FooClass', $services['foo']->getClass(), '->load() parses the class attribute');
         $this->assertEquals('%path%/foo.php', $services['file']->getFile(), '->load() parses the file tag');
         $this->assertEquals(['foo', new Reference('foo'), [true, false]], $services['arguments']->getArguments(), '->load() parses the argument tags');
@@ -316,7 +316,7 @@ class YamlFileLoaderTest extends TestCase
             $loader->load('badtag1.yml');
             $this->fail('->load() should throw an exception when the tags key of a service is not an array');
         } catch (\Exception $e) {
-            $this->assertInstanceOf('Symfony\Component\DependencyInjection\Exception\InvalidArgumentException', $e, '->load() throws an InvalidArgumentException if the tags key is not an array');
+            $this->assertInstanceOf(InvalidArgumentException::class, $e, '->load() throws an InvalidArgumentException if the tags key is not an array');
             $this->assertStringStartsWith('Parameter "tags" must be an array for service', $e->getMessage(), '->load() throws an InvalidArgumentException if the tags key is not an array');
         }
     }
@@ -328,7 +328,7 @@ class YamlFileLoaderTest extends TestCase
             $loader->load('badtag2.yml');
             $this->fail('->load() should throw an exception when a tag is missing the name key');
         } catch (\Exception $e) {
-            $this->assertInstanceOf('Symfony\Component\DependencyInjection\Exception\InvalidArgumentException', $e, '->load() throws an InvalidArgumentException if a tag is missing the name key');
+            $this->assertInstanceOf(InvalidArgumentException::class, $e, '->load() throws an InvalidArgumentException if a tag is missing the name key');
             $this->assertStringStartsWith('A "tags" entry is missing a "name" key for service ', $e->getMessage(), '->load() throws an InvalidArgumentException if a tag is missing the name key');
         }
     }
@@ -369,7 +369,7 @@ class YamlFileLoaderTest extends TestCase
             $loader->load('badtag3.yml');
             $this->fail('->load() should throw an exception when a tag-attribute is not a scalar');
         } catch (\Exception $e) {
-            $this->assertInstanceOf('Symfony\Component\DependencyInjection\Exception\InvalidArgumentException', $e, '->load() throws an InvalidArgumentException if a tag-attribute is not a scalar');
+            $this->assertInstanceOf(InvalidArgumentException::class, $e, '->load() throws an InvalidArgumentException if a tag-attribute is not a scalar');
             $this->assertStringStartsWith('A "tags" attribute must be of a scalar-type for service "foo_service", tag "foo", attribute "bar"', $e->getMessage(), '->load() throws an InvalidArgumentException if a tag-attribute is not a scalar');
         }
     }
@@ -388,7 +388,7 @@ class YamlFileLoaderTest extends TestCase
 
     public function testTagWithEmptyNameThrowsException()
     {
-        $this->expectException('Symfony\Component\DependencyInjection\Exception\InvalidArgumentException');
+        $this->expectException(InvalidArgumentException::class);
         $this->expectExceptionMessageMatches('/The tag name for service ".+" in .+ must be a non-empty string/');
         $loader = new YamlFileLoader(new ContainerBuilder(), new FileLocator(self::$fixturesPath.'/yaml'));
         $loader->load('tag_name_empty_string.yml');
@@ -396,7 +396,7 @@ class YamlFileLoaderTest extends TestCase
 
     public function testTagWithNonStringNameThrowsException()
     {
-        $this->expectException('Symfony\Component\DependencyInjection\Exception\InvalidArgumentException');
+        $this->expectException(InvalidArgumentException::class);
         $this->expectExceptionMessageMatches('/The tag name for service ".+" in .+ must be a non-empty string/');
         $loader = new YamlFileLoader(new ContainerBuilder(), new FileLocator(self::$fixturesPath.'/yaml'));
         $loader->load('tag_name_no_string.yml');
@@ -496,7 +496,7 @@ class YamlFileLoaderTest extends TestCase
 
     public function testPrototypeWithNamespaceAndNoResource()
     {
-        $this->expectException('Symfony\Component\DependencyInjection\Exception\InvalidArgumentException');
+        $this->expectException(InvalidArgumentException::class);
         $this->expectExceptionMessageMatches('/A "resource" attribute must be set when the "namespace" attribute is set for service ".+" in .+/');
         $container = new ContainerBuilder();
         $loader = new YamlFileLoader($container, new FileLocator(self::$fixturesPath.'/yaml'));
@@ -600,7 +600,7 @@ class YamlFileLoaderTest extends TestCase
 
     public function testChildDefinitionWithWrongSyntaxThrowsException()
     {
-        $this->expectException('Symfony\Component\DependencyInjection\Exception\InvalidArgumentException');
+        $this->expectException(InvalidArgumentException::class);
         $this->expectExceptionMessage('The value of the "parent" option for the "bar" service must be the id of the service without the "@" prefix (replace "@foo" with "foo").');
         $loader = new YamlFileLoader(new ContainerBuilder(), new FileLocator(self::$fixturesPath.'/yaml'));
         $loader->load('bad_parent.yml');
@@ -608,7 +608,7 @@ class YamlFileLoaderTest extends TestCase
 
     public function testDecoratedServicesWithWrongSyntaxThrowsException()
     {
-        $this->expectException('Symfony\Component\DependencyInjection\Exception\InvalidArgumentException');
+        $this->expectException(InvalidArgumentException::class);
         $this->expectExceptionMessage('The value of the "decorates" option for the "bar" service must be the id of the service without the "@" prefix (replace "@foo" with "foo").');
         $loader = new YamlFileLoader(new ContainerBuilder(), new FileLocator(self::$fixturesPath.'/yaml'));
         $loader->load('bad_decorates.yml');
@@ -616,7 +616,7 @@ class YamlFileLoaderTest extends TestCase
 
     public function testDecoratedServicesWithWrongOnInvalidSyntaxThrowsException()
     {
-        $this->expectException('Symfony\Component\DependencyInjection\Exception\InvalidArgumentException');
+        $this->expectException(InvalidArgumentException::class);
         $this->expectExceptionMessage('Did you mean null (without quotes)');
         $loader = new YamlFileLoader(new ContainerBuilder(), new FileLocator(self::$fixturesPath.'/yaml'));
         $loader->load('bad_decoration_on_invalid_null.yml');
@@ -624,7 +624,7 @@ class YamlFileLoaderTest extends TestCase
 
     public function testInvalidTagsWithDefaults()
     {
-        $this->expectException('Symfony\Component\DependencyInjection\Exception\InvalidArgumentException');
+        $this->expectException(InvalidArgumentException::class);
         $this->expectExceptionMessageMatches('/Parameter "tags" must be an array for service "Foo\\\Bar" in ".+services31_invalid_tags\.yml"\. Check your YAML syntax./');
         $loader = new YamlFileLoader(new ContainerBuilder(), new FileLocator(self::$fixturesPath.'/yaml'));
         $loader->load('services31_invalid_tags.yml');
@@ -632,7 +632,7 @@ class YamlFileLoaderTest extends TestCase
 
     public function testUnderscoreServiceId()
     {
-        $this->expectException('Symfony\Component\DependencyInjection\Exception\InvalidArgumentException');
+        $this->expectException(InvalidArgumentException::class);
         $this->expectExceptionMessage('Service names that start with an underscore are reserved. Rename the "_foo" service or define it in XML instead.');
         $container = new ContainerBuilder();
         $loader = new YamlFileLoader($container, new FileLocator(self::$fixturesPath.'/yaml'));
@@ -714,7 +714,7 @@ class YamlFileLoaderTest extends TestCase
 
     public function testAnonymousServicesWithAliases()
     {
-        $this->expectException('Symfony\Component\DependencyInjection\Exception\InvalidArgumentException');
+        $this->expectException(InvalidArgumentException::class);
         $this->expectExceptionMessageMatches('/Creating an alias using the tag "!service" is not allowed in ".+anonymous_services_alias\.yml"\./');
         $container = new ContainerBuilder();
         $loader = new YamlFileLoader($container, new FileLocator(self::$fixturesPath.'/yaml'));
@@ -723,7 +723,7 @@ class YamlFileLoaderTest extends TestCase
 
     public function testAnonymousServicesInParameters()
     {
-        $this->expectException('Symfony\Component\DependencyInjection\Exception\InvalidArgumentException');
+        $this->expectException(InvalidArgumentException::class);
         $this->expectExceptionMessageMatches('/Using an anonymous service in a parameter is not allowed in ".+anonymous_services_in_parameters\.yml"\./');
         $container = new ContainerBuilder();
         $loader = new YamlFileLoader($container, new FileLocator(self::$fixturesPath.'/yaml'));
@@ -742,7 +742,7 @@ class YamlFileLoaderTest extends TestCase
 
     public function testEmptyDefaultsThrowsClearException()
     {
-        $this->expectException('Symfony\Component\DependencyInjection\Exception\InvalidArgumentException');
+        $this->expectException(InvalidArgumentException::class);
         $this->expectExceptionMessageMatches('/Service "_defaults" key must be an array, "null" given in ".+bad_empty_defaults\.yml"\./');
         $container = new ContainerBuilder();
         $loader = new YamlFileLoader($container, new FileLocator(self::$fixturesPath.'/yaml'));
@@ -751,7 +751,7 @@ class YamlFileLoaderTest extends TestCase
 
     public function testEmptyInstanceofThrowsClearException()
     {
-        $this->expectException('Symfony\Component\DependencyInjection\Exception\InvalidArgumentException');
+        $this->expectException(InvalidArgumentException::class);
         $this->expectExceptionMessageMatches('/Service "_instanceof" key must be an array, "null" given in ".+bad_empty_instanceof\.yml"\./');
         $container = new ContainerBuilder();
         $loader = new YamlFileLoader($container, new FileLocator(self::$fixturesPath.'/yaml'));
@@ -760,7 +760,7 @@ class YamlFileLoaderTest extends TestCase
 
     public function testUnsupportedKeywordThrowsException()
     {
-        $this->expectException('Symfony\Component\DependencyInjection\Exception\InvalidArgumentException');
+        $this->expectException(InvalidArgumentException::class);
         $this->expectExceptionMessageMatches('/^The configuration key "private" is unsupported for definition "bar"/');
         $container = new ContainerBuilder();
         $loader = new YamlFileLoader($container, new FileLocator(self::$fixturesPath.'/yaml'));
@@ -769,7 +769,7 @@ class YamlFileLoaderTest extends TestCase
 
     public function testUnsupportedKeywordInServiceAliasThrowsException()
     {
-        $this->expectException('Symfony\Component\DependencyInjection\Exception\InvalidArgumentException');
+        $this->expectException(InvalidArgumentException::class);
         $this->expectExceptionMessageMatches('/^The configuration key "calls" is unsupported for the service "bar" which is defined as an alias/');
         $container = new ContainerBuilder();
         $loader = new YamlFileLoader($container, new FileLocator(self::$fixturesPath.'/yaml'));
@@ -829,7 +829,7 @@ class YamlFileLoaderTest extends TestCase
 
     public function testProcessNotExistingActionParam()
     {
-        $this->expectException('Symfony\Component\DependencyInjection\Exception\RuntimeException');
+        $this->expectException(\Symfony\Component\DependencyInjection\Exception\RuntimeException::class);
         $this->expectExceptionMessage('Cannot autowire service "Symfony\Component\DependencyInjection\Tests\Fixtures\ConstructNotExists": argument "$notExist" of method "__construct()" has type "Symfony\Component\DependencyInjection\Tests\Fixtures\NotExist" but this class was not found.');
         $container = new ContainerBuilder();
         $loader = new YamlFileLoader($container, new FileLocator(self::$fixturesPath.'/yaml'));

src/Symfony/Component/DependencyInjection/Tests/ParameterBag/EnvPlaceholderParameterBagTest.php

@@ -18,7 +18,7 @@ class EnvPlaceholderParameterBagTest extends TestCase
 {
     public function testGetThrowsInvalidArgumentExceptionIfEnvNameContainsNonWordCharacters()
     {
-        $this->expectException('Symfony\Component\DependencyInjection\Exception\InvalidArgumentException');
+        $this->expectException(\Symfony\Component\DependencyInjection\Exception\InvalidArgumentException::class);
         $bag = new EnvPlaceholderParameterBag();
         $bag->get('env(%foo%)');
     }
@@ -111,7 +111,7 @@ class EnvPlaceholderParameterBagTest extends TestCase
 
     public function testResolveEnvRequiresStrings()
     {
-        $this->expectException('Symfony\Component\DependencyInjection\Exception\RuntimeException');
+        $this->expectException(\Symfony\Component\DependencyInjection\Exception\RuntimeException::class);
         $this->expectExceptionMessage('The default value of env parameter "INT_VAR" must be a string or null, "int" given.');
 
         $bag = new EnvPlaceholderParameterBag();
@@ -122,7 +122,7 @@ class EnvPlaceholderParameterBagTest extends TestCase
 
     public function testGetDefaultScalarEnv()
     {
-        $this->expectException('Symfony\Component\DependencyInjection\Exception\RuntimeException');
+        $this->expectException(\Symfony\Component\DependencyInjection\Exception\RuntimeException::class);
         $this->expectExceptionMessage('The default value of an env() parameter must be a string or null, but "int" given to "env(INT_VAR)".');
 
         $bag = new EnvPlaceholderParameterBag();
@@ -153,7 +153,7 @@ class EnvPlaceholderParameterBagTest extends TestCase
 
     public function testResolveThrowsOnBadDefaultValue()
     {
-        $this->expectException('Symfony\Component\DependencyInjection\Exception\RuntimeException');
+        $this->expectException(\Symfony\Component\DependencyInjection\Exception\RuntimeException::class);
         $this->expectExceptionMessage('The default value of env parameter "ARRAY_VAR" must be a string or null, "array" given.');
         $bag = new EnvPlaceholderParameterBag();
         $bag->get('env(ARRAY_VAR)');
@@ -173,7 +173,7 @@ class EnvPlaceholderParameterBagTest extends TestCase
 
     public function testGetThrowsOnBadDefaultValue()
     {
-        $this->expectException('Symfony\Component\DependencyInjection\Exception\RuntimeException');
+        $this->expectException(\Symfony\Component\DependencyInjection\Exception\RuntimeException::class);
         $this->expectExceptionMessage('The default value of an env() parameter must be a string or null, but "array" given to "env(ARRAY_VAR)".');
         $bag = new EnvPlaceholderParameterBag();
         $bag->set('env(ARRAY_VAR)', []);

src/Symfony/Component/Dotenv/Tests/DotenvTest.php

@@ -322,7 +322,7 @@ class DotenvTest extends TestCase
 
     public function testLoadDirectory()
     {
-        $this->expectException('Symfony\Component\Dotenv\Exception\PathException');
+        $this->expectException(\Symfony\Component\Dotenv\Exception\PathException::class);
         $dotenv = new Dotenv();
         $dotenv->load(__DIR__);
     }

src/Symfony/Component/ErrorHandler/ErrorHandler.php

@@ -187,7 +187,7 @@ class ErrorHandler
             $this->bootstrappingLogger = $bootstrappingLogger;
             $this->setDefaultLogger($bootstrappingLogger);
         }
-        $traceReflector = new \ReflectionProperty('Exception', 'trace');
+        $traceReflector = new \ReflectionProperty(\Exception::class, 'trace');
         $traceReflector->setAccessible(true);
         $this->configureException = \Closure::bind(static function ($e, $trace, $file = null, $line = null) use ($traceReflector) {
             $traceReflector->setValue($e, $trace);

src/Symfony/Component/ErrorHandler/Resources/views/exception_full.html.php

@@ -17,7 +17,7 @@
             );
         </script>
 
-        <?php if (class_exists('Symfony\Component\HttpKernel\Kernel')) { ?>
+        <?php if (class_exists(\Symfony\Component\HttpKernel\Kernel::class)) { ?>
             <header>
                 <div class="container">
                     <h1 class="logo"><?= $this->include('assets/images/symfony-logo.svg'); ?> Symfony Exception</h1>

src/Symfony/Component/EventDispatcher/Tests/EventDispatcherTest.php

@@ -133,8 +133,8 @@ class EventDispatcherTest extends TestCase
         $this->dispatcher->dispatch(new Event(), self::preFoo);
         $this->assertTrue($this->listener->preFooInvoked);
         $this->assertFalse($this->listener->postFooInvoked);
-        $this->assertInstanceOf('Symfony\Contracts\EventDispatcher\Event', $this->dispatcher->dispatch(new Event(), 'noevent'));
-        $this->assertInstanceOf('Symfony\Contracts\EventDispatcher\Event', $this->dispatcher->dispatch(new Event(), self::preFoo));
+        $this->assertInstanceOf(Event::class, $this->dispatcher->dispatch(new Event(), 'noevent'));
+        $this->assertInstanceOf(Event::class, $this->dispatcher->dispatch(new Event(), self::preFoo));
         $event = new Event();
         $return = $this->dispatcher->dispatch($event, self::preFoo);
         $this->assertSame($event, $return);
@@ -213,7 +213,7 @@ class EventDispatcherTest extends TestCase
         $listeners = $this->dispatcher->getListeners('pre.foo');
         $this->assertTrue($this->dispatcher->hasListeners(self::preFoo));
         $this->assertCount(2, $listeners);
-        $this->assertInstanceOf('Symfony\Component\EventDispatcher\Tests\TestEventSubscriberWithPriorities', $listeners[0][0]);
+        $this->assertInstanceOf(\Symfony\Component\EventDispatcher\Tests\TestEventSubscriberWithPriorities::class, $listeners[0][0]);
     }
 
     public function testAddSubscriberWithMultipleListeners()

src/Symfony/Component/Form/Tests/ChoiceList/Factory/CachingFactoryDecoratorTest.php

@@ -38,7 +38,7 @@ class CachingFactoryDecoratorTest extends TestCase
 
     protected function setUp(): void
     {
-        $this->decoratedFactory = $this->getMockBuilder('Symfony\Component\Form\ChoiceList\Factory\ChoiceListFactoryInterface')->getMock();
+        $this->decoratedFactory = $this->getMockBuilder(\Symfony\Component\Form\ChoiceList\Factory\ChoiceListFactoryInterface::class)->getMock();
         $this->factory = new CachingFactoryDecorator($this->decoratedFactory);
     }
 
@@ -238,7 +238,7 @@ class CachingFactoryDecoratorTest extends TestCase
 
     public function testCreateFromLoaderSameLoader()
     {
-        $loader = $this->getMockBuilder('Symfony\Component\Form\ChoiceList\Loader\ChoiceLoaderInterface')->getMock();
+        $loader = $this->getMockBuilder(ChoiceLoaderInterface::class)->getMock();
         $list = new ArrayChoiceList([]);
         $list2 = new ArrayChoiceList([]);
 
@@ -269,8 +269,8 @@ class CachingFactoryDecoratorTest extends TestCase
 
     public function testCreateFromLoaderDifferentLoader()
     {
-        $loader1 = $this->getMockBuilder('Symfony\Component\Form\ChoiceList\Loader\ChoiceLoaderInterface')->getMock();
-        $loader2 = $this->getMockBuilder('Symfony\Component\Form\ChoiceList\Loader\ChoiceLoaderInterface')->getMock();
+        $loader1 = $this->getMockBuilder(ChoiceLoaderInterface::class)->getMock();
+        $loader2 = $this->getMockBuilder(ChoiceLoaderInterface::class)->getMock();
         $list1 = new ArrayChoiceList([]);
         $list2 = new ArrayChoiceList([]);
 
@@ -288,7 +288,7 @@ class CachingFactoryDecoratorTest extends TestCase
 
     public function testCreateFromLoaderSameValueClosure()
     {
-        $loader = $this->getMockBuilder('Symfony\Component\Form\ChoiceList\Loader\ChoiceLoaderInterface')->getMock();
+        $loader = $this->getMockBuilder(ChoiceLoaderInterface::class)->getMock();
         $type = $this->createMock(FormTypeInterface::class);
         $list = new ArrayChoiceList([]);
         $list2 = new ArrayChoiceList([]);
@@ -328,7 +328,7 @@ class CachingFactoryDecoratorTest extends TestCase
 
     public function testCreateFromLoaderDifferentValueClosure()
     {
-        $loader = $this->getMockBuilder('Symfony\Component\Form\ChoiceList\Loader\ChoiceLoaderInterface')->getMock();
+        $loader = $this->getMockBuilder(ChoiceLoaderInterface::class)->getMock();
         $type = $this->createMock(FormTypeInterface::class);
         $list1 = new ArrayChoiceList([]);
         $list2 = new ArrayChoiceList([]);
@@ -349,7 +349,7 @@ class CachingFactoryDecoratorTest extends TestCase
 
     public function testCreateFromLoaderSameFilterClosure()
     {
-        $loader = $this->getMockBuilder('Symfony\Component\Form\ChoiceList\Loader\ChoiceLoaderInterface')->getMock();
+        $loader = $this->getMockBuilder(ChoiceLoaderInterface::class)->getMock();
         $type = $this->createMock(FormTypeInterface::class);
         $list = new ArrayChoiceList([]);
         $list2 = new ArrayChoiceList([]);
@@ -391,7 +391,7 @@ class CachingFactoryDecoratorTest extends TestCase
 
     public function testCreateFromLoaderDifferentFilterClosure()
     {
-        $loader = $this->getMockBuilder('Symfony\Component\Form\ChoiceList\Loader\ChoiceLoaderInterface')->getMock();
+        $loader = $this->getMockBuilder(ChoiceLoaderInterface::class)->getMock();
         $type = $this->createMock(FormTypeInterface::class);
         $list1 = new ArrayChoiceList([]);
         $list2 = new ArrayChoiceList([]);
@@ -413,7 +413,7 @@ class CachingFactoryDecoratorTest extends TestCase
     public function testCreateViewSamePreferredChoices()
     {
         $preferred = ['a'];
-        $list = $this->getMockBuilder('Symfony\Component\Form\ChoiceList\ChoiceListInterface')->getMock();
+        $list = $this->getMockBuilder(ChoiceListInterface::class)->getMock();
         $view = new ChoiceListView();
         $view2 = new ChoiceListView();
 
@@ -447,7 +447,7 @@ class CachingFactoryDecoratorTest extends TestCase
     {
         $preferred1 = ['a'];
         $preferred2 = ['b'];
-        $list = $this->getMockBuilder('Symfony\Component\Form\ChoiceList\ChoiceListInterface')->getMock();
+        $list = $this->getMockBuilder(ChoiceListInterface::class)->getMock();
         $view1 = new ChoiceListView();
         $view2 = new ChoiceListView();
 
@@ -466,7 +466,7 @@ class CachingFactoryDecoratorTest extends TestCase
     public function testCreateViewSamePreferredChoicesClosure()
     {
         $preferred = function () {};
-        $list = $this->getMockBuilder('Symfony\Component\Form\ChoiceList\ChoiceListInterface')->getMock();
+        $list = $this->getMockBuilder(ChoiceListInterface::class)->getMock();
         $view = new ChoiceListView();
         $view2 = new ChoiceListView();
 
@@ -500,7 +500,7 @@ class CachingFactoryDecoratorTest extends TestCase
     {
         $preferred1 = function () {};
         $preferred2 = function () {};
-        $list = $this->getMockBuilder('Symfony\Component\Form\ChoiceList\ChoiceListInterface')->getMock();
+        $list = $this->getMockBuilder(ChoiceListInterface::class)->getMock();
         $view1 = new ChoiceListView();
         $view2 = new ChoiceListView();
 
@@ -519,7 +519,7 @@ class CachingFactoryDecoratorTest extends TestCase
     public function testCreateViewSameLabelClosure()
     {
         $labels = function () {};
-        $list = $this->getMockBuilder('Symfony\Component\Form\ChoiceList\ChoiceListInterface')->getMock();
+        $list = $this->getMockBuilder(ChoiceListInterface::class)->getMock();
         $view = new ChoiceListView();
         $view2 = new ChoiceListView();
 
@@ -553,7 +553,7 @@ class CachingFactoryDecoratorTest extends TestCase
     {
         $labels1 = function () {};
         $labels2 = function () {};
-        $list = $this->getMockBuilder('Symfony\Component\Form\ChoiceList\ChoiceListInterface')->getMock();
+        $list = $this->getMockBuilder(ChoiceListInterface::class)->getMock();
         $view1 = new ChoiceListView();
         $view2 = new ChoiceListView();
 
@@ -572,7 +572,7 @@ class CachingFactoryDecoratorTest extends TestCase
     public function testCreateViewSameIndexClosure()
     {
         $index = function () {};
-        $list = $this->getMockBuilder('Symfony\Component\Form\ChoiceList\ChoiceListInterface')->getMock();
+        $list = $this->getMockBuilder(ChoiceListInterface::class)->getMock();
         $view = new ChoiceListView();
         $view2 = new ChoiceListView();
 
@@ -606,7 +606,7 @@ class CachingFactoryDecoratorTest extends TestCase
     {
         $index1 = function () {};
         $index2 = function () {};
-        $list = $this->getMockBuilder('Symfony\Component\Form\ChoiceList\ChoiceListInterface')->getMock();
+        $list = $this->getMockBuilder(ChoiceListInterface::class)->getMock();
         $view1 = new ChoiceListView();
         $view2 = new ChoiceListView();
 
@@ -625,7 +625,7 @@ class CachingFactoryDecoratorTest extends TestCase
     public function testCreateViewSameGroupByClosure()
     {
         $groupBy = function () {};
-        $list = $this->getMockBuilder('Symfony\Component\Form\ChoiceList\ChoiceListInterface')->getMock();
+        $list = $this->getMockBuilder(ChoiceListInterface::class)->getMock();
         $view = new ChoiceListView();
         $view2 = new ChoiceListView();
 
@@ -659,7 +659,7 @@ class CachingFactoryDecoratorTest extends TestCase
     {
         $groupBy1 = function () {};
         $groupBy2 = function () {};
-        $list = $this->getMockBuilder('Symfony\Component\Form\ChoiceList\ChoiceListInterface')->getMock();
+        $list = $this->getMockBuilder(ChoiceListInterface::class)->getMock();
         $view1 = new ChoiceListView();
         $view2 = new ChoiceListView();
 
@@ -678,7 +678,7 @@ class CachingFactoryDecoratorTest extends TestCase
     public function testCreateViewSameAttributes()
     {
         $attr = ['class' => 'foobar'];
-        $list = $this->getMockBuilder('Symfony\Component\Form\ChoiceList\ChoiceListInterface')->getMock();
+        $list = $this->getMockBuilder(ChoiceListInterface::class)->getMock();
         $view = new ChoiceListView();
         $view2 = new ChoiceListView();
 
@@ -711,7 +711,7 @@ class CachingFactoryDecoratorTest extends TestCase
     {
         $attr1 = ['class' => 'foobar1'];
         $attr2 = ['class' => 'foobar2'];
-        $list = $this->getMockBuilder('Symfony\Component\Form\ChoiceList\ChoiceListInterface')->getMock();
+        $list = $this->getMockBuilder(ChoiceListInterface::class)->getMock();
         $view1 = new ChoiceListView();
         $view2 = new ChoiceListView();
 
@@ -730,7 +730,7 @@ class CachingFactoryDecoratorTest extends TestCase
     public function testCreateViewSameAttributesClosure()
     {
         $attr = function () {};
-        $list = $this->getMockBuilder('Symfony\Component\Form\ChoiceList\ChoiceListInterface')->getMock();
+        $list = $this->getMockBuilder(ChoiceListInterface::class)->getMock();
         $view = new ChoiceListView();
         $view2 = new ChoiceListView();
 
@@ -763,7 +763,7 @@ class CachingFactoryDecoratorTest extends TestCase
     {
         $attr1 = function () {};
         $attr2 = function () {};
-        $list = $this->getMockBuilder('Symfony\Component\Form\ChoiceList\ChoiceListInterface')->getMock();
+        $list = $this->getMockBuilder(ChoiceListInterface::class)->getMock();
         $view1 = new ChoiceListView();
         $view2 = new ChoiceListView();
 

src/Symfony/Component/Form/Tests/ChoiceList/Factory/DefaultChoiceListFactoryTest.php

@@ -266,7 +266,7 @@ class DefaultChoiceListFactoryTest extends TestCase
 
     public function testCreateFromLoaderWithFilter()
     {
-        $loader = $this->getMockBuilder('Symfony\Component\Form\ChoiceList\Loader\ChoiceLoaderInterface')->getMock();
+        $loader = $this->getMockBuilder(\Symfony\Component\Form\ChoiceList\Loader\ChoiceLoaderInterface::class)->getMock();
         $filter = function () {};
 
         $list = $this->factory->createListFromLoader($loader, null, $filter);

src/Symfony/Component/Form/Tests/ChoiceList/Factory/PropertyAccessDecoratorTest.php

@@ -124,7 +124,7 @@ class PropertyAccessDecoratorTest extends TestCase
 
     public function testCreateFromLoaderFilterPropertyPath()
     {
-        $loader = $this->getMockBuilder('Symfony\Component\Form\ChoiceList\Loader\ChoiceLoaderInterface')->getMock();
+        $loader = $this->getMockBuilder(\Symfony\Component\Form\ChoiceList\Loader\ChoiceLoaderInterface::class)->getMock();
         $filteredChoices = [
             'two' => (object) ['property' => 'value 2', 'filter' => true],
         ];

src/Symfony/Component/Form/Tests/CompoundFormTest.php

@@ -273,7 +273,7 @@ class CompoundFormTest extends AbstractFormTest
 
     public function testAddThrowsExceptionIfAlreadySubmitted()
     {
-        $this->expectException('Symfony\Component\Form\Exception\AlreadySubmittedException');
+        $this->expectException(\Symfony\Component\Form\Exception\AlreadySubmittedException::class);
         $this->form->submit([]);
         $this->form->add($this->getBuilder('foo')->getForm());
     }
@@ -290,7 +290,7 @@ class CompoundFormTest extends AbstractFormTest
 
     public function testRemoveThrowsExceptionIfAlreadySubmitted()
     {
-        $this->expectException('Symfony\Component\Form\Exception\AlreadySubmittedException');
+        $this->expectException(\Symfony\Component\Form\Exception\AlreadySubmittedException::class);
         $this->form->add($this->getBuilder('foo')->setCompound(false)->getForm());
         $this->form->submit(['foo' => 'bar']);
         $this->form->remove('foo');
@@ -351,7 +351,7 @@ class CompoundFormTest extends AbstractFormTest
             ->method('mapDataToForms')
             ->with('bar', $this->isInstanceOf(\RecursiveIteratorIterator::class))
             ->willReturnCallback(function ($data, \RecursiveIteratorIterator $iterator) use ($child) {
-                $this->assertInstanceOf('Symfony\Component\Form\Util\InheritDataAwareIterator', $iterator->getInnerIterator());
+                $this->assertInstanceOf(InheritDataAwareIterator::class, $iterator->getInnerIterator());
                 $this->assertSame([$child->getName() => $child], iterator_to_array($iterator));
             });
 
@@ -441,7 +441,7 @@ class CompoundFormTest extends AbstractFormTest
             ->method('mapDataToForms')
             ->with('bar', $this->isInstanceOf(\RecursiveIteratorIterator::class))
             ->willReturnCallback(function ($data, \RecursiveIteratorIterator $iterator) use ($child1, $child2) {
-                $this->assertInstanceOf('Symfony\Component\Form\Util\InheritDataAwareIterator', $iterator->getInnerIterator());
+                $this->assertInstanceOf(InheritDataAwareIterator::class, $iterator->getInnerIterator());
                 $this->assertSame(['firstName' => $child1, 'lastName' => $child2], iterator_to_array($iterator));
             });
 
@@ -888,7 +888,7 @@ class CompoundFormTest extends AbstractFormTest
 
         $this->assertSame($error1, $errorsAsArray[0]);
         $this->assertSame($error2, $errorsAsArray[1]);
-        $this->assertInstanceOf('Symfony\Component\Form\FormErrorIterator', $errorsAsArray[2]);
+        $this->assertInstanceOf(\Symfony\Component\Form\FormErrorIterator::class, $errorsAsArray[2]);
 
         $nestedErrorsAsArray = iterator_to_array($errorsAsArray[2]);
 
@@ -941,9 +941,9 @@ class CompoundFormTest extends AbstractFormTest
     // Basic cases are covered in SimpleFormTest
     public function testCreateViewWithChildren()
     {
-        $type = $this->getMockBuilder('Symfony\Component\Form\ResolvedFormTypeInterface')->getMock();
-        $type1 = $this->getMockBuilder('Symfony\Component\Form\ResolvedFormTypeInterface')->getMock();
-        $type2 = $this->getMockBuilder('Symfony\Component\Form\ResolvedFormTypeInterface')->getMock();
+        $type = $this->getMockBuilder(\Symfony\Component\Form\ResolvedFormTypeInterface::class)->getMock();
+        $type1 = $this->getMockBuilder(\Symfony\Component\Form\ResolvedFormTypeInterface::class)->getMock();
+        $type2 = $this->getMockBuilder(\Symfony\Component\Form\ResolvedFormTypeInterface::class)->getMock();
         $options = ['a' => 'Foo', 'b' => 'Bar'];
         $field1 = $this->getBuilder('foo')
             ->setType($type1)
@@ -997,7 +997,7 @@ class CompoundFormTest extends AbstractFormTest
 
     public function testNoClickedButton()
     {
-        $button = $this->getMockBuilder('Symfony\Component\Form\SubmitButton')
+        $button = $this->getMockBuilder(\Symfony\Component\Form\SubmitButton::class)
             ->setConstructorArgs([new SubmitButtonBuilder('submit')])
             ->setMethods(['isClicked'])
             ->getMock();
@@ -1019,7 +1019,7 @@ class CompoundFormTest extends AbstractFormTest
 
     public function testClickedButton()
     {
-        $button = $this->getMockBuilder('Symfony\Component\Form\SubmitButton')
+        $button = $this->getMockBuilder(\Symfony\Component\Form\SubmitButton::class)
             ->setConstructorArgs([new SubmitButtonBuilder('submit')])
             ->setMethods(['isClicked'])
             ->getMock();
@@ -1038,7 +1038,7 @@ class CompoundFormTest extends AbstractFormTest
     {
         $button = $this->getBuilder('submit')->getForm();
 
-        $nestedForm = $this->getMockBuilder('Symfony\Component\Form\Form')
+        $nestedForm = $this->getMockBuilder(\Symfony\Component\Form\Form::class)
             ->setConstructorArgs([$this->getBuilder('nested')])
             ->setMethods(['getClickedButton'])
             ->getMock();
@@ -1057,7 +1057,7 @@ class CompoundFormTest extends AbstractFormTest
     {
         $button = $this->getBuilder('submit')->getForm();
 
-        $parentForm = $this->getMockBuilder('Symfony\Component\Form\Form')
+        $parentForm = $this->getMockBuilder(\Symfony\Component\Form\Form::class)
             ->setConstructorArgs([$this->getBuilder('parent')])
             ->setMethods(['getClickedButton'])
             ->getMock();

src/Symfony/Component/Form/Tests/DependencyInjection/FormPassTest.php

@@ -222,7 +222,7 @@ class FormPassTest extends TestCase
 
     public function testAddTaggedFormTypeExtensionWithoutExtendingAnyType()
     {
-        $this->expectException('InvalidArgumentException');
+        $this->expectException(\InvalidArgumentException::class);
         $this->expectExceptionMessage('The getExtendedTypes() method for service "my.type_extension" does not return any extended types.');
         $container = $this->createContainerBuilder();
 

src/Symfony/Component/Form/Tests/Extension/Core/DataTransformer/PercentToLocalizedStringTransformerTest.php

@@ -230,7 +230,7 @@ class PercentToLocalizedStringTransformerTest extends TestCase
     {
         $transformer = new PercentToLocalizedStringTransformer(null, null, \NumberFormatter::ROUND_HALFUP);
 
-        $this->expectException('Symfony\Component\Form\Exception\TransformationFailedException');
+        $this->expectException(\Symfony\Component\Form\Exception\TransformationFailedException::class);
 
         $transformer->transform('foo');
     }
@@ -239,7 +239,7 @@ class PercentToLocalizedStringTransformerTest extends TestCase
     {
         $transformer = new PercentToLocalizedStringTransformer(null, null, \NumberFormatter::ROUND_HALFUP);
 
-        $this->expectException('Symfony\Component\Form\Exception\TransformationFailedException');
+        $this->expectException(\Symfony\Component\Form\Exception\TransformationFailedException::class);
 
         $transformer->reverseTransform(1);
     }
@@ -262,7 +262,7 @@ class PercentToLocalizedStringTransformerTest extends TestCase
 
     public function testDecimalSeparatorMayNotBeDotIfGroupingSeparatorIsDot()
     {
-        $this->expectException('Symfony\Component\Form\Exception\TransformationFailedException');
+        $this->expectException(\Symfony\Component\Form\Exception\TransformationFailedException::class);
         // Since we test against "de_DE", we need the full implementation
         IntlTestHelper::requireFullIntl($this, '4.8.1.1');
 
@@ -275,7 +275,7 @@ class PercentToLocalizedStringTransformerTest extends TestCase
 
     public function testDecimalSeparatorMayNotBeDotIfGroupingSeparatorIsDotWithNoGroupSep()
     {
-        $this->expectException('Symfony\Component\Form\Exception\TransformationFailedException');
+        $this->expectException(\Symfony\Component\Form\Exception\TransformationFailedException::class);
         // Since we test against "de_DE", we need the full implementation
         IntlTestHelper::requireFullIntl($this, '4.8.1.1');
 
@@ -317,7 +317,7 @@ class PercentToLocalizedStringTransformerTest extends TestCase
 
     public function testDecimalSeparatorMayNotBeCommaIfGroupingSeparatorIsComma()
     {
-        $this->expectException('Symfony\Component\Form\Exception\TransformationFailedException');
+        $this->expectException(\Symfony\Component\Form\Exception\TransformationFailedException::class);
         IntlTestHelper::requireFullIntl($this, '4.8.1.1');
 
         $transformer = new PercentToLocalizedStringTransformer(1, 'integer', \NumberFormatter::ROUND_HALFUP);
@@ -327,7 +327,7 @@ class PercentToLocalizedStringTransformerTest extends TestCase
 
     public function testDecimalSeparatorMayNotBeCommaIfGroupingSeparatorIsCommaWithNoGroupSep()
     {
-        $this->expectException('Symfony\Component\Form\Exception\TransformationFailedException');
+        $this->expectException(\Symfony\Component\Form\Exception\TransformationFailedException::class);
         IntlTestHelper::requireFullIntl($this, '4.8.1.1');
 
         $transformer = new PercentToLocalizedStringTransformer(1, 'integer', \NumberFormatter::ROUND_HALFUP);
@@ -341,7 +341,7 @@ class PercentToLocalizedStringTransformerTest extends TestCase
         $formatter->setAttribute(\NumberFormatter::FRACTION_DIGITS, 1);
         $formatter->setAttribute(\NumberFormatter::GROUPING_USED, false);
 
-        $transformer = $this->getMockBuilder('Symfony\Component\Form\Extension\Core\DataTransformer\PercentToLocalizedStringTransformer')
+        $transformer = $this->getMockBuilder(PercentToLocalizedStringTransformer::class)
             ->setMethods(['getNumberFormatter'])
             ->setConstructorArgs([1, 'integer', \NumberFormatter::ROUND_HALFUP])
             ->getMock();
@@ -355,7 +355,7 @@ class PercentToLocalizedStringTransformerTest extends TestCase
 
     public function testReverseTransformDisallowsLeadingExtraCharacters()
     {
-        $this->expectException('Symfony\Component\Form\Exception\TransformationFailedException');
+        $this->expectException(\Symfony\Component\Form\Exception\TransformationFailedException::class);
         $transformer = new PercentToLocalizedStringTransformer(null, null, \NumberFormatter::ROUND_HALFUP);
 
         $transformer->reverseTransform('foo123');
@@ -363,7 +363,7 @@ class PercentToLocalizedStringTransformerTest extends TestCase
 
     public function testReverseTransformDisallowsCenteredExtraCharacters()
     {
-        $this->expectException('Symfony\Component\Form\Exception\TransformationFailedException');
+        $this->expectException(\Symfony\Component\Form\Exception\TransformationFailedException::class);
         $this->expectExceptionMessage('The number contains unrecognized characters: "foo3"');
         $transformer = new PercentToLocalizedStringTransformer(null, null, \NumberFormatter::ROUND_HALFUP);
 
@@ -375,7 +375,7 @@ class PercentToLocalizedStringTransformerTest extends TestCase
      */
     public function testReverseTransformDisallowsCenteredExtraCharactersMultibyte()
     {
-        $this->expectException('Symfony\Component\Form\Exception\TransformationFailedException');
+        $this->expectException(\Symfony\Component\Form\Exception\TransformationFailedException::class);
         $this->expectExceptionMessage('The number contains unrecognized characters: "foo8"');
         // Since we test against other locales, we need the full implementation
         IntlTestHelper::requireFullIntl($this, false);
@@ -389,7 +389,7 @@ class PercentToLocalizedStringTransformerTest extends TestCase
 
     public function testReverseTransformDisallowsTrailingExtraCharacters()
     {
-        $this->expectException('Symfony\Component\Form\Exception\TransformationFailedException');
+        $this->expectException(\Symfony\Component\Form\Exception\TransformationFailedException::class);
         $this->expectExceptionMessage('The number contains unrecognized characters: "foo"');
         $transformer = new PercentToLocalizedStringTransformer(null, null, \NumberFormatter::ROUND_HALFUP);
 
@@ -401,7 +401,7 @@ class PercentToLocalizedStringTransformerTest extends TestCase
      */
     public function testReverseTransformDisallowsTrailingExtraCharactersMultibyte()
     {
-        $this->expectException('Symfony\Component\Form\Exception\TransformationFailedException');
+        $this->expectException(\Symfony\Component\Form\Exception\TransformationFailedException::class);
         $this->expectExceptionMessage('The number contains unrecognized characters: "foo"');
         // Since we test against other locales, we need the full implementation
         IntlTestHelper::requireFullIntl($this, false);

src/Symfony/Component/Form/Tests/Extension/Core/Type/FormTypeTest.php

@@ -343,7 +343,7 @@ class FormTypeTest extends BaseTypeTest
 
     public function testActionCannotBeNull()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\InvalidOptionsException');
+        $this->expectException(\Symfony\Component\OptionsResolver\Exception\InvalidOptionsException::class);
         $this->factory->create(static::TESTED_TYPE, null, ['action' => null]);
     }
 

src/Symfony/Component/Form/Tests/Extension/Core/Type/NumberTypeTest.php

@@ -79,7 +79,7 @@ class NumberTypeTest extends BaseTypeTest
 
     public function testStringInputWithFloatData()
     {
-        $this->expectException('Symfony\Component\Form\Exception\TransformationFailedException');
+        $this->expectException(\Symfony\Component\Form\Exception\TransformationFailedException::class);
         $this->expectExceptionMessage('Expected a numeric string.');
 
         $this->factory->create(static::TESTED_TYPE, 12345.6789, [
@@ -90,7 +90,7 @@ class NumberTypeTest extends BaseTypeTest
 
     public function testStringInputWithIntData()
     {
-        $this->expectException('Symfony\Component\Form\Exception\TransformationFailedException');
+        $this->expectException(\Symfony\Component\Form\Exception\TransformationFailedException::class);
         $this->expectExceptionMessage('Expected a numeric string.');
 
         $this->factory->create(static::TESTED_TYPE, 12345, [

src/Symfony/Component/Form/Tests/Extension/Core/Type/TimeTypeTest.php

@@ -476,7 +476,7 @@ class TimeTypeTest extends BaseTypeTest
 
     public function testSetDataDifferentTimezonesWithoutReferenceDate()
     {
-        $this->expectException('Symfony\Component\Form\Exception\LogicException');
+        $this->expectException(\Symfony\Component\Form\Exception\LogicException::class);
         $this->expectExceptionMessage('Using different values for the "model_timezone" and "view_timezone" options without configuring a reference date is not supported.');
 
         $form = $this->factory->create(static::TESTED_TYPE, null, [

src/Symfony/Component/Form/Tests/Extension/Core/Type/TimezoneTypeTest.php

@@ -169,7 +169,7 @@ class TimezoneTypeTest extends BaseTypeTest
 
     public function testChoiceTranslationLocaleOptionWithoutIntl()
     {
-        $this->expectException('Symfony\Component\Form\Exception\LogicException');
+        $this->expectException(\Symfony\Component\Form\Exception\LogicException::class);
         $this->expectExceptionMessage('The "choice_translation_locale" option can only be used if the "intl" option is set to true.');
         $this->factory->create(static::TESTED_TYPE, null, [
             'choice_translation_locale' => 'uk',

src/Symfony/Component/Form/Tests/FormBuilderTest.php

@@ -26,8 +26,8 @@ class FormBuilderTest extends TestCase
 
     protected function setUp(): void
     {
-        $this->dispatcher = $this->getMockBuilder('Symfony\Component\EventDispatcher\EventDispatcherInterface')->getMock();
-        $this->factory = $this->getMockBuilder('Symfony\Component\Form\FormFactoryInterface')->getMock();
+        $this->dispatcher = $this->getMockBuilder(\Symfony\Component\EventDispatcher\EventDispatcherInterface::class)->getMock();
+        $this->factory = $this->getMockBuilder(\Symfony\Component\Form\FormFactoryInterface::class)->getMock();
         $this->builder = new FormBuilder('name', null, $this->dispatcher, $this->factory);
     }
 
@@ -51,7 +51,7 @@ class FormBuilderTest extends TestCase
 
     public function testAddNameNoStringAndNoInteger()
     {
-        $this->expectException('Symfony\Component\Form\Exception\UnexpectedTypeException');
+        $this->expectException(\Symfony\Component\Form\Exception\UnexpectedTypeException::class);
         $this->builder->add(true);
     }
 
@@ -133,7 +133,7 @@ class FormBuilderTest extends TestCase
         $this->builder->add('foo', 'Symfony\Component\Form\Extension\Core\Type\TextType');
         $this->builder->remove('foo');
         $form = $this->builder->getForm();
-        $this->assertInstanceOf('Symfony\Component\Form\Form', $form);
+        $this->assertInstanceOf(\Symfony\Component\Form\Form::class, $form);
     }
 
     public function testCreateNoTypeNo()
@@ -156,7 +156,7 @@ class FormBuilderTest extends TestCase
 
     public function testGetUnknown()
     {
-        $this->expectException('Symfony\Component\Form\Exception\InvalidArgumentException');
+        $this->expectException(\Symfony\Component\Form\Exception\InvalidArgumentException::class);
         $this->expectExceptionMessage('The child with the name "foo" does not exist.');
 
         $this->builder->get('foo');
@@ -223,7 +223,7 @@ class FormBuilderTest extends TestCase
 
     private function getFormBuilder($name = 'name')
     {
-        $mock = $this->getMockBuilder('Symfony\Component\Form\FormBuilder')
+        $mock = $this->getMockBuilder(FormBuilder::class)
             ->disableOriginalConstructor()
             ->getMock();
 

src/Symfony/Component/Form/Tests/FormFactoryTest.php

@@ -53,10 +53,10 @@ class FormFactoryTest extends TestCase
 
     protected function setUp(): void
     {
-        $this->guesser1 = $this->getMockBuilder('Symfony\Component\Form\FormTypeGuesserInterface')->getMock();
-        $this->guesser2 = $this->getMockBuilder('Symfony\Component\Form\FormTypeGuesserInterface')->getMock();
-        $this->registry = $this->getMockBuilder('Symfony\Component\Form\FormRegistryInterface')->getMock();
-        $this->builder = $this->getMockBuilder('Symfony\Component\Form\Test\FormBuilderInterface')->getMock();
+        $this->guesser1 = $this->getMockBuilder(\Symfony\Component\Form\FormTypeGuesserInterface::class)->getMock();
+        $this->guesser2 = $this->getMockBuilder(\Symfony\Component\Form\FormTypeGuesserInterface::class)->getMock();
+        $this->registry = $this->getMockBuilder(\Symfony\Component\Form\FormRegistryInterface::class)->getMock();
+        $this->builder = $this->getMockBuilder(\Symfony\Component\Form\Test\FormBuilderInterface::class)->getMock();
         $this->factory = new FormFactory($this->registry);
 
         $this->registry->expects($this->any())
@@ -155,7 +155,7 @@ class FormFactoryTest extends TestCase
         $resolvedOptions = ['a' => '2', 'b' => '3'];
 
         // the interface does not have the method, so use the real class
-        $resolvedType = $this->getMockBuilder('Symfony\Component\Form\ResolvedFormType')
+        $resolvedType = $this->getMockBuilder(\Symfony\Component\Form\ResolvedFormType::class)
             ->disableOriginalConstructor()
             ->getMock();
 
@@ -225,8 +225,8 @@ class FormFactoryTest extends TestCase
 
     public function testCreateBuilderForPropertyWithoutTypeGuesser()
     {
-        $registry = $this->getMockBuilder('Symfony\Component\Form\FormRegistryInterface')->getMock();
-        $factory = $this->getMockBuilder('Symfony\Component\Form\FormFactory')
+        $registry = $this->getMockBuilder(\Symfony\Component\Form\FormRegistryInterface::class)->getMock();
+        $factory = $this->getMockBuilder(FormFactory::class)
             ->setMethods(['createNamedBuilder'])
             ->setConstructorArgs([$registry])
             ->getMock();
@@ -463,7 +463,7 @@ class FormFactoryTest extends TestCase
 
     private function getMockFactory(array $methods = [])
     {
-        return $this->getMockBuilder('Symfony\Component\Form\FormFactory')
+        return $this->getMockBuilder(FormFactory::class)
             ->setMethods($methods)
             ->setConstructorArgs([$this->registry])
             ->getMock();
@@ -471,6 +471,6 @@ class FormFactoryTest extends TestCase
 
     private function getMockResolvedType()
     {
-        return $this->getMockBuilder('Symfony\Component\Form\ResolvedFormTypeInterface')->getMock();
+        return $this->getMockBuilder(\Symfony\Component\Form\ResolvedFormTypeInterface::class)->getMock();
     }
 }

src/Symfony/Component/Form/Tests/FormRendererTest.php

@@ -31,14 +31,14 @@ class FormRendererTest extends TestCase
 
     public function testRenderARenderedField()
     {
-        $this->expectException('Symfony\Component\Form\Exception\BadMethodCallException');
+        $this->expectException(\Symfony\Component\Form\Exception\BadMethodCallException::class);
         $this->expectExceptionMessage('Field "foo" has already been rendered, save the result of previous render call to a variable and output that instead.');
 
         $formView = new FormView();
         $formView->vars['name'] = 'foo';
         $formView->setRendered();
 
-        $engine = $this->getMockBuilder('Symfony\Component\Form\FormRendererEngineInterface')->getMock();
+        $engine = $this->getMockBuilder(\Symfony\Component\Form\FormRendererEngineInterface::class)->getMock();
         $renderer = new FormRenderer($engine);
         $renderer->searchAndRenderBlock($formView, 'row');
     }

src/Symfony/Component/Form/Tests/ResolvedFormTypeTest.php

@@ -73,9 +73,9 @@ class ResolvedFormTypeTest extends TestCase
 
     protected function setUp(): void
     {
-        $this->dispatcher = $this->getMockBuilder('Symfony\Component\EventDispatcher\EventDispatcherInterface')->getMock();
-        $this->factory = $this->getMockBuilder('Symfony\Component\Form\FormFactoryInterface')->getMock();
-        $this->dataMapper = $this->getMockBuilder('Symfony\Component\Form\DataMapperInterface')->getMock();
+        $this->dispatcher = $this->getMockBuilder(\Symfony\Component\EventDispatcher\EventDispatcherInterface::class)->getMock();
+        $this->factory = $this->getMockBuilder(\Symfony\Component\Form\FormFactoryInterface::class)->getMock();
+        $this->dataMapper = $this->getMockBuilder(\Symfony\Component\Form\DataMapperInterface::class)->getMock();
         $this->parentType = $this->getMockFormType();
         $this->type = $this->getMockFormType();
         $this->extension1 = $this->getMockFormTypeExtension();
@@ -129,9 +129,9 @@ class ResolvedFormTypeTest extends TestCase
     {
         $givenOptions = ['a' => 'a_custom', 'c' => 'c_custom'];
         $resolvedOptions = ['a' => 'a_custom', 'b' => 'b_default', 'c' => 'c_custom', 'd' => 'd_default'];
-        $optionsResolver = $this->getMockBuilder('Symfony\Component\OptionsResolver\OptionsResolver')->getMock();
+        $optionsResolver = $this->getMockBuilder(OptionsResolver::class)->getMock();
 
-        $this->resolvedType = $this->getMockBuilder('Symfony\Component\Form\ResolvedFormType')
+        $this->resolvedType = $this->getMockBuilder(ResolvedFormType::class)
             ->setConstructorArgs([$this->type, [$this->extension1, $this->extension2], $this->parentResolvedType])
             ->setMethods(['getOptionsResolver'])
             ->getMock();
@@ -157,9 +157,9 @@ class ResolvedFormTypeTest extends TestCase
     {
         $givenOptions = ['data_class' => 'Foo'];
         $resolvedOptions = ['data_class' => \stdClass::class];
-        $optionsResolver = $this->getMockBuilder('Symfony\Component\OptionsResolver\OptionsResolver')->getMock();
+        $optionsResolver = $this->getMockBuilder(OptionsResolver::class)->getMock();
 
-        $this->resolvedType = $this->getMockBuilder('Symfony\Component\Form\ResolvedFormType')
+        $this->resolvedType = $this->getMockBuilder(ResolvedFormType::class)
             ->setConstructorArgs([$this->type, [$this->extension1, $this->extension2], $this->parentResolvedType])
             ->setMethods(['getOptionsResolver'])
             ->getMock();
@@ -183,7 +183,7 @@ class ResolvedFormTypeTest extends TestCase
 
     public function testFailsCreateBuilderOnInvalidFormOptionsResolution()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\MissingOptionsException');
+        $this->expectException(\Symfony\Component\OptionsResolver\Exception\MissingOptionsException::class);
         $this->expectExceptionMessage('An error has occurred resolving the options of the form "Symfony\Component\Form\Extension\Core\Type\HiddenType": The required option "foo" is missing.');
         $optionsResolver = (new OptionsResolver())
             ->setRequired('foo')
@@ -219,7 +219,7 @@ class ResolvedFormTypeTest extends TestCase
         };
 
         $options = ['a' => 'Foo', 'b' => 'Bar'];
-        $builder = $this->getMockBuilder('Symfony\Component\Form\Test\FormBuilderInterface')->getMock();
+        $builder = $this->getMockBuilder(\Symfony\Component\Form\Test\FormBuilderInterface::class)->getMock();
 
         // First the form is built for the super type
         $this->parentType->expects($this->once())
@@ -253,18 +253,18 @@ class ResolvedFormTypeTest extends TestCase
 
         $view = $this->resolvedType->createView($form);
 
-        $this->assertInstanceOf('Symfony\Component\Form\FormView', $view);
+        $this->assertInstanceOf(\Symfony\Component\Form\FormView::class, $view);
         $this->assertNull($view->parent);
     }
 
     public function testCreateViewWithParent()
     {
         $form = new Form($this->getMockBuilder(FormConfigInterface::class)->getMock());
-        $parentView = $this->getMockBuilder('Symfony\Component\Form\FormView')->getMock();
+        $parentView = $this->getMockBuilder(\Symfony\Component\Form\FormView::class)->getMock();
 
         $view = $this->resolvedType->createView($form, $parentView);
 
-        $this->assertInstanceOf('Symfony\Component\Form\FormView', $view);
+        $this->assertInstanceOf(\Symfony\Component\Form\FormView::class, $view);
         $this->assertSame($parentView, $view->parent);
     }
 
@@ -272,7 +272,7 @@ class ResolvedFormTypeTest extends TestCase
     {
         $options = ['a' => '1', 'b' => '2'];
         $form = new Form($this->getMockBuilder(FormConfigInterface::class)->getMock());
-        $view = $this->getMockBuilder('Symfony\Component\Form\FormView')->getMock();
+        $view = $this->getMockBuilder(\Symfony\Component\Form\FormView::class)->getMock();
 
         $i = 0;
 
@@ -314,7 +314,7 @@ class ResolvedFormTypeTest extends TestCase
     {
         $options = ['a' => '1', 'b' => '2'];
         $form = new Form($this->getMockBuilder(FormConfigInterface::class)->getMock());
-        $view = $this->getMockBuilder('Symfony\Component\Form\FormView')->getMock();
+        $view = $this->getMockBuilder(\Symfony\Component\Form\FormView::class)->getMock();
 
         $i = 0;
 
@@ -392,11 +392,11 @@ class ResolvedFormTypeTest extends TestCase
 
     private function getMockFormTypeExtension(): MockObject
     {
-        return $this->getMockBuilder('Symfony\Component\Form\AbstractTypeExtension')->setMethods(['getExtendedTypes', 'configureOptions', 'finishView', 'buildView', 'buildForm'])->getMock();
+        return $this->getMockBuilder(\Symfony\Component\Form\AbstractTypeExtension::class)->setMethods(['getExtendedTypes', 'configureOptions', 'finishView', 'buildView', 'buildForm'])->getMock();
     }
 
     private function getMockFormFactory(): MockObject
     {
-        return $this->getMockBuilder('Symfony\Component\Form\FormFactoryInterface')->getMock();
+        return $this->getMockBuilder(\Symfony\Component\Form\FormFactoryInterface::class)->getMock();
     }
 }

src/Symfony/Component/HttpClient/Tests/HttpClientTraitTest.php

@@ -193,28 +193,28 @@ class HttpClientTraitTest extends TestCase
 
     public function testInvalidAuthBearerOption()
     {
-        $this->expectException('Symfony\Component\HttpClient\Exception\InvalidArgumentException');
+        $this->expectException(InvalidArgumentException::class);
         $this->expectExceptionMessage('Option "auth_bearer" must be a string, "stdClass" given.');
         self::prepareRequest('POST', 'http://example.com', ['auth_bearer' => new \stdClass()], HttpClientInterface::OPTIONS_DEFAULTS);
     }
 
     public function testInvalidAuthBearerValue()
     {
-        $this->expectException('Symfony\Component\HttpClient\Exception\InvalidArgumentException');
+        $this->expectException(InvalidArgumentException::class);
         $this->expectExceptionMessage('Invalid character found in option "auth_bearer": "a\nb".');
         self::prepareRequest('POST', 'http://example.com', ['auth_bearer' => "a\nb"], HttpClientInterface::OPTIONS_DEFAULTS);
     }
 
     public function testSetAuthBasicAndBearerOptions()
     {
-        $this->expectException('Symfony\Component\HttpClient\Exception\InvalidArgumentException');
+        $this->expectException(InvalidArgumentException::class);
         $this->expectExceptionMessage('Define either the "auth_basic" or the "auth_bearer" option, setting both is not supported.');
         self::prepareRequest('POST', 'http://example.com', ['auth_bearer' => 'foo', 'auth_basic' => 'foo:bar'], HttpClientInterface::OPTIONS_DEFAULTS);
     }
 
     public function testSetJSONAndBodyOptions()
     {
-        $this->expectException('Symfony\Component\HttpClient\Exception\InvalidArgumentException');
+        $this->expectException(InvalidArgumentException::class);
         $this->expectExceptionMessage('Define either the "json" or the "body" option, setting both is not supported');
         self::prepareRequest('POST', 'http://example.com', ['json' => ['foo' => 'bar'], 'body' => '<html/>'], HttpClientInterface::OPTIONS_DEFAULTS);
     }
@@ -256,14 +256,14 @@ class HttpClientTraitTest extends TestCase
 
     public function testNormalizePeerFingerprintException()
     {
-        $this->expectException('Symfony\Component\HttpClient\Exception\InvalidArgumentException');
+        $this->expectException(InvalidArgumentException::class);
         $this->expectExceptionMessage('Cannot auto-detect fingerprint algorithm for "foo".');
         $this->normalizePeerFingerprint('foo');
     }
 
     public function testNormalizePeerFingerprintTypeException()
     {
-        $this->expectException('Symfony\Component\HttpClient\Exception\InvalidArgumentException');
+        $this->expectException(InvalidArgumentException::class);
         $this->expectExceptionMessage('Option "peer_fingerprint" must be string or array, "stdClass" given.');
         $fingerprint = new \stdClass();
 

src/Symfony/Component/HttpFoundation/Tests/CookieTest.php

@@ -52,7 +52,7 @@ class CookieTest extends TestCase
      */
     public function testWithRawThrowsExceptionIfCookieNameContainsSpecialCharacters($name)
     {
-        $this->expectException('InvalidArgumentException');
+        $this->expectException(\InvalidArgumentException::class);
         Cookie::create($name)->withRaw();
     }
 

src/Symfony/Component/HttpFoundation/Tests/JsonResponseTest.php

@@ -97,7 +97,7 @@ class JsonResponseTest extends TestCase
     {
         $response = JsonResponse::create(['foo' => 'bar'], 204);
 
-        $this->assertInstanceOf('Symfony\Component\HttpFoundation\JsonResponse', $response);
+        $this->assertInstanceOf(JsonResponse::class, $response);
         $this->assertEquals('{"foo":"bar"}', $response->getContent());
         $this->assertEquals(204, $response->getStatusCode());
     }
@@ -108,7 +108,7 @@ class JsonResponseTest extends TestCase
     public function testStaticCreateEmptyJsonObject()
     {
         $response = JsonResponse::create();
-        $this->assertInstanceOf('Symfony\Component\HttpFoundation\JsonResponse', $response);
+        $this->assertInstanceOf(JsonResponse::class, $response);
         $this->assertSame('{}', $response->getContent());
     }
 
@@ -118,7 +118,7 @@ class JsonResponseTest extends TestCase
     public function testStaticCreateJsonArray()
     {
         $response = JsonResponse::create([0, 1, 2, 3]);
-        $this->assertInstanceOf('Symfony\Component\HttpFoundation\JsonResponse', $response);
+        $this->assertInstanceOf(JsonResponse::class, $response);
         $this->assertSame('[0,1,2,3]', $response->getContent());
     }
 
@@ -128,7 +128,7 @@ class JsonResponseTest extends TestCase
     public function testStaticCreateJsonObject()
     {
         $response = JsonResponse::create(['foo' => 'bar']);
-        $this->assertInstanceOf('Symfony\Component\HttpFoundation\JsonResponse', $response);
+        $this->assertInstanceOf(JsonResponse::class, $response);
         $this->assertSame('{"foo":"bar"}', $response->getContent());
     }
 
@@ -138,20 +138,20 @@ class JsonResponseTest extends TestCase
     public function testStaticCreateWithSimpleTypes()
     {
         $response = JsonResponse::create('foo');
-        $this->assertInstanceOf('Symfony\Component\HttpFoundation\JsonResponse', $response);
+        $this->assertInstanceOf(JsonResponse::class, $response);
         $this->assertSame('"foo"', $response->getContent());
 
         $response = JsonResponse::create(0);
-        $this->assertInstanceOf('Symfony\Component\HttpFoundation\JsonResponse', $response);
+        $this->assertInstanceOf(JsonResponse::class, $response);
         $this->assertSame('0', $response->getContent());
 
         $response = JsonResponse::create(0.1);
-        $this->assertInstanceOf('Symfony\Component\HttpFoundation\JsonResponse', $response);
+        $this->assertInstanceOf(JsonResponse::class, $response);
         $this->assertEquals(0.1, $response->getContent());
         $this->assertIsString($response->getContent());
 
         $response = JsonResponse::create(true);
-        $this->assertInstanceOf('Symfony\Component\HttpFoundation\JsonResponse', $response);
+        $this->assertInstanceOf(JsonResponse::class, $response);
         $this->assertSame('true', $response->getContent());
     }
 
@@ -236,22 +236,22 @@ class JsonResponseTest extends TestCase
 
     public function testSetCallbackInvalidIdentifier()
     {
-        $this->expectException('InvalidArgumentException');
+        $this->expectException(\InvalidArgumentException::class);
         $response = new JsonResponse('foo');
         $response->setCallback('+invalid');
     }
 
     public function testSetContent()
     {
-        $this->expectException('InvalidArgumentException');
+        $this->expectException(\InvalidArgumentException::class);
         new JsonResponse("\xB1\x31");
     }
 
     public function testSetContentJsonSerializeError()
     {
-        $this->expectException('Exception');
+        $this->expectException(\Exception::class);
         $this->expectExceptionMessage('This error is expected');
-        if (!interface_exists('JsonSerializable', false)) {
+        if (!interface_exists(\JsonSerializable::class, false)) {
             $this->markTestSkipped('JsonSerializable is required.');
         }
 
@@ -299,7 +299,7 @@ class JsonResponseTest extends TestCase
     }
 }
 
-if (interface_exists('JsonSerializable', false)) {
+if (interface_exists(\JsonSerializable::class, false)) {
     class JsonSerializableObject implements \JsonSerializable
     {
         public function jsonSerialize()

src/Symfony/Component/HttpFoundation/Tests/RedirectResponseTest.php

@@ -25,14 +25,14 @@ class RedirectResponseTest extends TestCase
 
     public function testRedirectResponseConstructorEmptyUrl()
     {
-        $this->expectException('InvalidArgumentException');
+        $this->expectException(\InvalidArgumentException::class);
         $this->expectExceptionMessage('Cannot redirect to an empty URL.');
         new RedirectResponse('');
     }
 
     public function testRedirectResponseConstructorWrongStatusCode()
     {
-        $this->expectException('InvalidArgumentException');
+        $this->expectException(\InvalidArgumentException::class);
         new RedirectResponse('foo.bar', 404);
     }
 
@@ -66,7 +66,7 @@ class RedirectResponseTest extends TestCase
     {
         $response = RedirectResponse::create('foo', 301);
 
-        $this->assertInstanceOf('Symfony\Component\HttpFoundation\RedirectResponse', $response);
+        $this->assertInstanceOf(RedirectResponse::class, $response);
         $this->assertEquals(301, $response->getStatusCode());
     }
 

src/Symfony/Component/HttpFoundation/Tests/ResponseTest.php

@@ -27,7 +27,7 @@ class ResponseTest extends ResponseTestCase
     {
         $response = Response::create('foo', 301, ['Foo' => 'bar']);
 
-        $this->assertInstanceOf('Symfony\Component\HttpFoundation\Response', $response);
+        $this->assertInstanceOf(Response::class, $response);
         $this->assertEquals(301, $response->getStatusCode());
         $this->assertEquals('bar', $response->headers->get('foo'));
     }
@@ -614,7 +614,7 @@ class ResponseTest extends ResponseTestCase
             $response->setCache(['wrong option' => 'value']);
             $this->fail('->setCache() throws an InvalidArgumentException if an option is not supported');
         } catch (\Exception $e) {
-            $this->assertInstanceOf('InvalidArgumentException', $e, '->setCache() throws an InvalidArgumentException if an option is not supported');
+            $this->assertInstanceOf(\InvalidArgumentException::class, $e, '->setCache() throws an InvalidArgumentException if an option is not supported');
             $this->assertStringContainsString('"wrong option"', $e->getMessage());
         }
 

src/Symfony/Component/HttpFoundation/Tests/Session/Storage/NativeSessionStorageTest.php

@@ -71,14 +71,14 @@ class NativeSessionStorageTest extends TestCase
 
     public function testRegisterBagException()
     {
-        $this->expectException('InvalidArgumentException');
+        $this->expectException(\InvalidArgumentException::class);
         $storage = $this->getStorage();
         $storage->getBag('non_existing');
     }
 
     public function testRegisterBagForAStartedSessionThrowsException()
     {
-        $this->expectException('LogicException');
+        $this->expectException(\LogicException::class);
         $storage = $this->getStorage();
         $storage->start();
         $storage->registerBag(new AttributeBag());
@@ -210,22 +210,22 @@ class NativeSessionStorageTest extends TestCase
         $this->iniSet('session.save_handler', 'files');
         $storage = $this->getStorage();
         $storage->setSaveHandler();
-        $this->assertInstanceOf('Symfony\Component\HttpFoundation\Session\Storage\Proxy\SessionHandlerProxy', $storage->getSaveHandler());
+        $this->assertInstanceOf(SessionHandlerProxy::class, $storage->getSaveHandler());
         $storage->setSaveHandler(null);
-        $this->assertInstanceOf('Symfony\Component\HttpFoundation\Session\Storage\Proxy\SessionHandlerProxy', $storage->getSaveHandler());
+        $this->assertInstanceOf(SessionHandlerProxy::class, $storage->getSaveHandler());
         $storage->setSaveHandler(new SessionHandlerProxy(new NativeFileSessionHandler()));
-        $this->assertInstanceOf('Symfony\Component\HttpFoundation\Session\Storage\Proxy\SessionHandlerProxy', $storage->getSaveHandler());
+        $this->assertInstanceOf(SessionHandlerProxy::class, $storage->getSaveHandler());
         $storage->setSaveHandler(new NativeFileSessionHandler());
-        $this->assertInstanceOf('Symfony\Component\HttpFoundation\Session\Storage\Proxy\SessionHandlerProxy', $storage->getSaveHandler());
+        $this->assertInstanceOf(SessionHandlerProxy::class, $storage->getSaveHandler());
         $storage->setSaveHandler(new SessionHandlerProxy(new NullSessionHandler()));
-        $this->assertInstanceOf('Symfony\Component\HttpFoundation\Session\Storage\Proxy\SessionHandlerProxy', $storage->getSaveHandler());
+        $this->assertInstanceOf(SessionHandlerProxy::class, $storage->getSaveHandler());
         $storage->setSaveHandler(new NullSessionHandler());
-        $this->assertInstanceOf('Symfony\Component\HttpFoundation\Session\Storage\Proxy\SessionHandlerProxy', $storage->getSaveHandler());
+        $this->assertInstanceOf(SessionHandlerProxy::class, $storage->getSaveHandler());
     }
 
     public function testStarted()
     {
-        $this->expectException('RuntimeException');
+        $this->expectException(\RuntimeException::class);
         $storage = $this->getStorage();
 
         $this->assertFalse($storage->getSaveHandler()->isActive());

src/Symfony/Component/HttpKernel/Tests/Config/FileLocatorTest.php

@@ -18,7 +18,7 @@ class FileLocatorTest extends TestCase
 {
     public function testLocate()
     {
-        $kernel = $this->getMockBuilder('Symfony\Component\HttpKernel\KernelInterface')->getMock();
+        $kernel = $this->getMockBuilder(\Symfony\Component\HttpKernel\KernelInterface::class)->getMock();
         $kernel
             ->expects($this->atLeastOnce())
             ->method('locateResource')
@@ -30,7 +30,7 @@ class FileLocatorTest extends TestCase
         $kernel
             ->expects($this->never())
             ->method('locateResource');
-        $this->expectException('LogicException');
+        $this->expectException(\LogicException::class);
         $locator->locate('/some/path');
     }
 }

src/Symfony/Component/HttpKernel/Tests/DependencyInjection/RegisterControllerArgumentLocatorsPassTest.php

@@ -27,7 +27,7 @@ class RegisterControllerArgumentLocatorsPassTest extends TestCase
 {
     public function testInvalidClass()
     {
-        $this->expectException('Symfony\Component\DependencyInjection\Exception\InvalidArgumentException');
+        $this->expectException(\Symfony\Component\DependencyInjection\Exception\InvalidArgumentException::class);
         $this->expectExceptionMessage('Class "Symfony\Component\HttpKernel\Tests\DependencyInjection\NotFound" used for service "foo" cannot be found.');
         $container = new ContainerBuilder();
         $container->register('argument_resolver.service')->addArgument([]);
@@ -42,7 +42,7 @@ class RegisterControllerArgumentLocatorsPassTest extends TestCase
 
     public function testNoAction()
     {
-        $this->expectException('Symfony\Component\DependencyInjection\Exception\InvalidArgumentException');
+        $this->expectException(\Symfony\Component\DependencyInjection\Exception\InvalidArgumentException::class);
         $this->expectExceptionMessage('Missing "action" attribute on tag "controller.service_arguments" {"argument":"bar"} for service "foo".');
         $container = new ContainerBuilder();
         $container->register('argument_resolver.service')->addArgument([]);
@@ -57,7 +57,7 @@ class RegisterControllerArgumentLocatorsPassTest extends TestCase
 
     public function testNoArgument()
     {
-        $this->expectException('Symfony\Component\DependencyInjection\Exception\InvalidArgumentException');
+        $this->expectException(\Symfony\Component\DependencyInjection\Exception\InvalidArgumentException::class);
         $this->expectExceptionMessage('Missing "argument" attribute on tag "controller.service_arguments" {"action":"fooAction"} for service "foo".');
         $container = new ContainerBuilder();
         $container->register('argument_resolver.service')->addArgument([]);
@@ -72,7 +72,7 @@ class RegisterControllerArgumentLocatorsPassTest extends TestCase
 
     public function testNoService()
     {
-        $this->expectException('Symfony\Component\DependencyInjection\Exception\InvalidArgumentException');
+        $this->expectException(\Symfony\Component\DependencyInjection\Exception\InvalidArgumentException::class);
         $this->expectExceptionMessage('Missing "id" attribute on tag "controller.service_arguments" {"action":"fooAction","argument":"bar"} for service "foo".');
         $container = new ContainerBuilder();
         $container->register('argument_resolver.service')->addArgument([]);
@@ -87,7 +87,7 @@ class RegisterControllerArgumentLocatorsPassTest extends TestCase
 
     public function testInvalidMethod()
     {
-        $this->expectException('Symfony\Component\DependencyInjection\Exception\InvalidArgumentException');
+        $this->expectException(\Symfony\Component\DependencyInjection\Exception\InvalidArgumentException::class);
         $this->expectExceptionMessage('Invalid "action" attribute on tag "controller.service_arguments" for service "foo": no public "barAction()" method found on class "Symfony\Component\HttpKernel\Tests\DependencyInjection\RegisterTestController".');
         $container = new ContainerBuilder();
         $container->register('argument_resolver.service')->addArgument([]);
@@ -102,7 +102,7 @@ class RegisterControllerArgumentLocatorsPassTest extends TestCase
 
     public function testInvalidArgument()
     {
-        $this->expectException('Symfony\Component\DependencyInjection\Exception\InvalidArgumentException');
+        $this->expectException(\Symfony\Component\DependencyInjection\Exception\InvalidArgumentException::class);
         $this->expectExceptionMessage('Invalid "controller.service_arguments" tag for service "foo": method "fooAction()" has no "baz" argument on class "Symfony\Component\HttpKernel\Tests\DependencyInjection\RegisterTestController".');
         $container = new ContainerBuilder();
         $container->register('argument_resolver.service')->addArgument([]);
@@ -197,7 +197,7 @@ class RegisterControllerArgumentLocatorsPassTest extends TestCase
 
     public function testExceptionOnNonExistentTypeHint()
     {
-        $this->expectException('RuntimeException');
+        $this->expectException(\RuntimeException::class);
         $this->expectExceptionMessage('Cannot determine controller argument for "Symfony\Component\HttpKernel\Tests\DependencyInjection\NonExistentClassController::fooAction()": the $nonExistent argument is type-hinted with the non-existent class or interface: "Symfony\Component\HttpKernel\Tests\DependencyInjection\NonExistentClass". Did you forget to add a use statement?');
         $container = new ContainerBuilder();
         $container->register('argument_resolver.service')->addArgument([]);
@@ -217,7 +217,7 @@ class RegisterControllerArgumentLocatorsPassTest extends TestCase
 
     public function testExceptionOnNonExistentTypeHintDifferentNamespace()
     {
-        $this->expectException('RuntimeException');
+        $this->expectException(\RuntimeException::class);
         $this->expectExceptionMessage('Cannot determine controller argument for "Symfony\Component\HttpKernel\Tests\DependencyInjection\NonExistentClassDifferentNamespaceController::fooAction()": the $nonExistent argument is type-hinted with the non-existent class or interface: "Acme\NonExistentClass".');
         $container = new ContainerBuilder();
         $container->register('argument_resolver.service')->addArgument([]);

src/Symfony/Component/HttpKernel/Tests/Fragment/HIncludeFragmentRendererTest.php

@@ -23,7 +23,7 @@ class HIncludeFragmentRendererTest extends TestCase
 {
     public function testRenderExceptionWhenControllerAndNoSigner()
     {
-        $this->expectException('LogicException');
+        $this->expectException(\LogicException::class);
         $strategy = new HIncludeFragmentRenderer();
         $strategy->render(new ControllerReference('main_controller', [], []), Request::create('/'));
     }

src/Symfony/Component/Messenger/Bridge/Doctrine/Tests/Transport/ConnectionTest.php

@@ -93,7 +93,7 @@ class ConnectionTest extends TestCase
 
     public function testItThrowsATransportExceptionIfItCannotAcknowledgeMessage()
     {
-        $this->expectException('Symfony\Component\Messenger\Exception\TransportException');
+        $this->expectException(\Symfony\Component\Messenger\Exception\TransportException::class);
         $driverConnection = $this->getDBALConnectionMock();
 
         if (class_exists(Exception::class)) {
@@ -108,7 +108,7 @@ class ConnectionTest extends TestCase
 
     public function testItThrowsATransportExceptionIfItCannotRejectMessage()
     {
-        $this->expectException('Symfony\Component\Messenger\Exception\TransportException');
+        $this->expectException(\Symfony\Component\Messenger\Exception\TransportException::class);
         $driverConnection = $this->getDBALConnectionMock();
 
         if (class_exists(Exception::class)) {
@@ -257,14 +257,14 @@ class ConnectionTest extends TestCase
 
     public function testItThrowsAnExceptionIfAnExtraOptionsInDefined()
     {
-        $this->expectException('Symfony\Component\Messenger\Exception\InvalidArgumentException');
+        $this->expectException(\Symfony\Component\Messenger\Exception\InvalidArgumentException::class);
         $this->expectExceptionMessage('Unknown option found: [new_option]. Allowed options are [table_name, queue_name, redeliver_timeout, auto_setup]');
         Connection::buildConfiguration('doctrine://default', ['new_option' => 'woops']);
     }
 
     public function testItThrowsAnExceptionIfAnExtraOptionsInDefinedInDSN()
     {
-        $this->expectException('Symfony\Component\Messenger\Exception\InvalidArgumentException');
+        $this->expectException(\Symfony\Component\Messenger\Exception\InvalidArgumentException::class);
         $this->expectExceptionMessage('Unknown option found in DSN: [new_option]. Allowed options are [table_name, queue_name, redeliver_timeout, auto_setup]');
         Connection::buildConfiguration('doctrine://default?new_option=woops');
     }

src/Symfony/Component/Messenger/Tests/HandleTraitTest.php

@@ -14,7 +14,7 @@ class HandleTraitTest extends TestCase
 {
     public function testItThrowsOnNoMessageBusInstance()
     {
-        $this->expectException('Symfony\Component\Messenger\Exception\LogicException');
+        $this->expectException(\Symfony\Component\Messenger\Exception\LogicException::class);
         $this->expectExceptionMessage('You must provide a "Symfony\Component\Messenger\MessageBusInterface" instance in the "Symfony\Component\Messenger\Tests\TestQueryBus::$messageBus" property, "null" given.');
         $queryBus = new TestQueryBus(null);
         $query = new DummyMessage('Hello');
@@ -48,7 +48,7 @@ class HandleTraitTest extends TestCase
 
     public function testHandleThrowsOnNoHandledStamp()
     {
-        $this->expectException('Symfony\Component\Messenger\Exception\LogicException');
+        $this->expectException(\Symfony\Component\Messenger\Exception\LogicException::class);
         $this->expectExceptionMessage('Message of type "Symfony\Component\Messenger\Tests\Fixtures\DummyMessage" was handled zero times. Exactly one handler is expected when using "Symfony\Component\Messenger\Tests\TestQueryBus::handle()".');
         $bus = $this->createMock(MessageBus::class);
         $queryBus = new TestQueryBus($bus);
@@ -61,7 +61,7 @@ class HandleTraitTest extends TestCase
 
     public function testHandleThrowsOnMultipleHandledStamps()
     {
-        $this->expectException('Symfony\Component\Messenger\Exception\LogicException');
+        $this->expectException(\Symfony\Component\Messenger\Exception\LogicException::class);
         $this->expectExceptionMessage('Message of type "Symfony\Component\Messenger\Tests\Fixtures\DummyMessage" was handled multiple times. Only one handler is expected when using "Symfony\Component\Messenger\Tests\TestQueryBus::handle()", got 2: "FirstDummyHandler::__invoke", "SecondDummyHandler::__invoke".');
         $bus = $this->createMock(MessageBus::class);
         $queryBus = new TestQueryBus($bus);

src/Symfony/Component/OptionsResolver/Tests/OptionsResolverTest.php

@@ -37,7 +37,7 @@ class OptionsResolverTest extends TestCase
 
     public function testResolveFailsIfNonExistingOption()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\UndefinedOptionsException');
+        $this->expectException(UndefinedOptionsException::class);
         $this->expectExceptionMessage('The option "foo" does not exist. Defined options are: "a", "z".');
         $this->resolver->setDefault('z', '1');
         $this->resolver->setDefault('a', '2');
@@ -47,7 +47,7 @@ class OptionsResolverTest extends TestCase
 
     public function testResolveFailsIfMultipleNonExistingOptions()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\UndefinedOptionsException');
+        $this->expectException(UndefinedOptionsException::class);
         $this->expectExceptionMessage('The options "baz", "foo", "ping" do not exist. Defined options are: "a", "z".');
         $this->resolver->setDefault('z', '1');
         $this->resolver->setDefault('a', '2');
@@ -57,7 +57,7 @@ class OptionsResolverTest extends TestCase
 
     public function testResolveFailsFromLazyOption()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\AccessException');
+        $this->expectException(AccessException::class);
         $this->resolver->setDefault('foo', function (Options $options) {
             $options->resolve([]);
         });
@@ -83,7 +83,7 @@ class OptionsResolverTest extends TestCase
 
     public function testFailIfSetDefaultFromLazyOption()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\AccessException');
+        $this->expectException(AccessException::class);
         $this->resolver->setDefault('lazy', function (Options $options) {
             $options->setDefault('default', 42);
         });
@@ -225,7 +225,7 @@ class OptionsResolverTest extends TestCase
 
     public function testFailIfSetRequiredFromLazyOption()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\AccessException');
+        $this->expectException(AccessException::class);
         $this->resolver->setDefault('foo', function (Options $options) {
             $options->setRequired('bar');
         });
@@ -235,7 +235,7 @@ class OptionsResolverTest extends TestCase
 
     public function testResolveFailsIfRequiredOptionMissing()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\MissingOptionsException');
+        $this->expectException(\Symfony\Component\OptionsResolver\Exception\MissingOptionsException::class);
         $this->resolver->setRequired('foo');
 
         $this->resolver->resolve();
@@ -349,7 +349,7 @@ class OptionsResolverTest extends TestCase
 
     public function testFailIfSetDefinedFromLazyOption()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\AccessException');
+        $this->expectException(AccessException::class);
         $this->resolver->setDefault('foo', function (Options $options) {
             $options->setDefined('bar');
         });
@@ -444,7 +444,7 @@ class OptionsResolverTest extends TestCase
 
     public function testFailIfSetDeprecatedFromLazyOption()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\AccessException');
+        $this->expectException(AccessException::class);
         $this->resolver
             ->setDefault('bar', 'baz')
             ->setDefault('foo', function (Options $options) {
@@ -456,13 +456,13 @@ class OptionsResolverTest extends TestCase
 
     public function testSetDeprecatedFailsIfUnknownOption()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\UndefinedOptionsException');
+        $this->expectException(UndefinedOptionsException::class);
         $this->resolver->setDeprecated('foo');
     }
 
     public function testSetDeprecatedFailsIfInvalidDeprecationMessageType()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\InvalidArgumentException');
+        $this->expectException(\Symfony\Component\OptionsResolver\Exception\InvalidArgumentException::class);
         $this->expectExceptionMessage('Invalid type for deprecation message argument, expected string or \Closure, but got "bool".');
         $this->resolver
             ->setDefined('foo')
@@ -472,7 +472,7 @@ class OptionsResolverTest extends TestCase
 
     public function testLazyDeprecationFailsIfInvalidDeprecationMessageType()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\InvalidArgumentException');
+        $this->expectException(\Symfony\Component\OptionsResolver\Exception\InvalidArgumentException::class);
         $this->expectExceptionMessage('Invalid type for deprecation message, expected string but got "bool", return an empty string to ignore.');
         $this->resolver
             ->setDefined('foo')
@@ -485,7 +485,7 @@ class OptionsResolverTest extends TestCase
 
     public function testFailsIfCyclicDependencyBetweenDeprecation()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\OptionDefinitionException');
+        $this->expectException(\Symfony\Component\OptionsResolver\Exception\OptionDefinitionException::class);
         $this->expectExceptionMessage('The options "foo", "bar" have a cyclic dependency.');
         $this->resolver
             ->setDefined(['foo', 'bar'])
@@ -756,7 +756,7 @@ class OptionsResolverTest extends TestCase
 
     public function testSetAllowedTypesFailsIfUnknownOption()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\UndefinedOptionsException');
+        $this->expectException(UndefinedOptionsException::class);
         $this->resolver->setAllowedTypes('foo', 'string');
     }
 
@@ -771,7 +771,7 @@ class OptionsResolverTest extends TestCase
 
     public function testFailIfSetAllowedTypesFromLazyOption()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\AccessException');
+        $this->expectException(AccessException::class);
         $this->resolver->setDefault('foo', function (Options $options) {
             $options->setAllowedTypes('bar', 'string');
         });
@@ -783,7 +783,7 @@ class OptionsResolverTest extends TestCase
 
     public function testResolveFailsIfInvalidTypedArray()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\InvalidOptionsException');
+        $this->expectException(InvalidOptionsException::class);
         $this->expectExceptionMessage('The option "foo" with value array is expected to be of type "int[]", but one of the elements is of type "DateTime".');
         $this->resolver->setDefined('foo');
         $this->resolver->setAllowedTypes('foo', 'int[]');
@@ -793,7 +793,7 @@ class OptionsResolverTest extends TestCase
 
     public function testResolveFailsWithNonArray()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\InvalidOptionsException');
+        $this->expectException(InvalidOptionsException::class);
         $this->expectExceptionMessage('The option "foo" with value "bar" is expected to be of type "int[]", but is of type "string".');
         $this->resolver->setDefined('foo');
         $this->resolver->setAllowedTypes('foo', 'int[]');
@@ -803,7 +803,7 @@ class OptionsResolverTest extends TestCase
 
     public function testResolveFailsIfTypedArrayContainsInvalidTypes()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\InvalidOptionsException');
+        $this->expectException(InvalidOptionsException::class);
         $this->expectExceptionMessage('The option "foo" with value array is expected to be of type "int[]", but one of the elements is of type "stdClass|array|DateTime".');
         $this->resolver->setDefined('foo');
         $this->resolver->setAllowedTypes('foo', 'int[]');
@@ -818,7 +818,7 @@ class OptionsResolverTest extends TestCase
 
     public function testResolveFailsWithCorrectLevelsButWrongScalar()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\InvalidOptionsException');
+        $this->expectException(InvalidOptionsException::class);
         $this->expectExceptionMessage('The option "foo" with value array is expected to be of type "int[][]", but one of the elements is of type "float".');
         $this->resolver->setDefined('foo');
         $this->resolver->setAllowedTypes('foo', 'int[][]');
@@ -838,7 +838,7 @@ class OptionsResolverTest extends TestCase
         $this->resolver->setDefined('option');
         $this->resolver->setAllowedTypes('option', $allowedType);
 
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\InvalidOptionsException');
+        $this->expectException(InvalidOptionsException::class);
         $this->expectExceptionMessage($exceptionMessage);
 
         $this->resolver->resolve(['option' => $actualType]);
@@ -873,7 +873,7 @@ class OptionsResolverTest extends TestCase
 
     public function testResolveFailsIfInvalidTypeMultiple()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\InvalidOptionsException');
+        $this->expectException(InvalidOptionsException::class);
         $this->expectExceptionMessage('The option "foo" with value 42 is expected to be of type "string" or "bool", but is of type "int".');
         $this->resolver->setDefault('foo', 42);
         $this->resolver->setAllowedTypes('foo', ['string', 'bool']);
@@ -914,7 +914,7 @@ class OptionsResolverTest extends TestCase
 
     public function testResolveFailsIfNotInstanceOfClass()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\InvalidOptionsException');
+        $this->expectException(InvalidOptionsException::class);
         $this->resolver->setDefault('foo', 'bar');
         $this->resolver->setAllowedTypes('foo', '\stdClass');
 
@@ -923,13 +923,13 @@ class OptionsResolverTest extends TestCase
 
     public function testAddAllowedTypesFailsIfUnknownOption()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\UndefinedOptionsException');
+        $this->expectException(UndefinedOptionsException::class);
         $this->resolver->addAllowedTypes('foo', 'string');
     }
 
     public function testFailIfAddAllowedTypesFromLazyOption()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\AccessException');
+        $this->expectException(AccessException::class);
         $this->resolver->setDefault('foo', function (Options $options) {
             $options->addAllowedTypes('bar', 'string');
         });
@@ -941,7 +941,7 @@ class OptionsResolverTest extends TestCase
 
     public function testResolveFailsIfInvalidAddedType()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\InvalidOptionsException');
+        $this->expectException(InvalidOptionsException::class);
         $this->resolver->setDefault('foo', 42);
         $this->resolver->addAllowedTypes('foo', 'string');
 
@@ -958,7 +958,7 @@ class OptionsResolverTest extends TestCase
 
     public function testResolveFailsIfInvalidAddedTypeMultiple()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\InvalidOptionsException');
+        $this->expectException(InvalidOptionsException::class);
         $this->resolver->setDefault('foo', 42);
         $this->resolver->addAllowedTypes('foo', ['string', 'bool']);
 
@@ -997,13 +997,13 @@ class OptionsResolverTest extends TestCase
 
     public function testSetAllowedValuesFailsIfUnknownOption()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\UndefinedOptionsException');
+        $this->expectException(UndefinedOptionsException::class);
         $this->resolver->setAllowedValues('foo', 'bar');
     }
 
     public function testFailIfSetAllowedValuesFromLazyOption()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\AccessException');
+        $this->expectException(AccessException::class);
         $this->resolver->setDefault('foo', function (Options $options) {
             $options->setAllowedValues('bar', 'baz');
         });
@@ -1015,7 +1015,7 @@ class OptionsResolverTest extends TestCase
 
     public function testResolveFailsIfInvalidValue()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\InvalidOptionsException');
+        $this->expectException(InvalidOptionsException::class);
         $this->expectExceptionMessage('The option "foo" with value 42 is invalid. Accepted values are: "bar".');
         $this->resolver->setDefined('foo');
         $this->resolver->setAllowedValues('foo', 'bar');
@@ -1025,7 +1025,7 @@ class OptionsResolverTest extends TestCase
 
     public function testResolveFailsIfInvalidValueIsNull()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\InvalidOptionsException');
+        $this->expectException(InvalidOptionsException::class);
         $this->expectExceptionMessage('The option "foo" with value null is invalid. Accepted values are: "bar".');
         $this->resolver->setDefault('foo', null);
         $this->resolver->setAllowedValues('foo', 'bar');
@@ -1035,7 +1035,7 @@ class OptionsResolverTest extends TestCase
 
     public function testResolveFailsIfInvalidValueStrict()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\InvalidOptionsException');
+        $this->expectException(InvalidOptionsException::class);
         $this->resolver->setDefault('foo', 42);
         $this->resolver->setAllowedValues('foo', '42');
 
@@ -1060,7 +1060,7 @@ class OptionsResolverTest extends TestCase
 
     public function testResolveFailsIfInvalidValueMultiple()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\InvalidOptionsException');
+        $this->expectException(InvalidOptionsException::class);
         $this->expectExceptionMessage('The option "foo" with value 42 is invalid. Accepted values are: "bar", false, null.');
         $this->resolver->setDefault('foo', 42);
         $this->resolver->setAllowedValues('foo', ['bar', false, null]);
@@ -1109,7 +1109,7 @@ class OptionsResolverTest extends TestCase
 
     public function testResolveFailsIfAllClosuresReturnFalse()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\InvalidOptionsException');
+        $this->expectException(InvalidOptionsException::class);
         $this->resolver->setDefault('foo', 42);
         $this->resolver->setAllowedValues('foo', [
             function () { return false; },
@@ -1134,13 +1134,13 @@ class OptionsResolverTest extends TestCase
 
     public function testAddAllowedValuesFailsIfUnknownOption()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\UndefinedOptionsException');
+        $this->expectException(UndefinedOptionsException::class);
         $this->resolver->addAllowedValues('foo', 'bar');
     }
 
     public function testFailIfAddAllowedValuesFromLazyOption()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\AccessException');
+        $this->expectException(AccessException::class);
         $this->resolver->setDefault('foo', function (Options $options) {
             $options->addAllowedValues('bar', 'baz');
         });
@@ -1152,7 +1152,7 @@ class OptionsResolverTest extends TestCase
 
     public function testResolveFailsIfInvalidAddedValue()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\InvalidOptionsException');
+        $this->expectException(InvalidOptionsException::class);
         $this->resolver->setDefault('foo', 42);
         $this->resolver->addAllowedValues('foo', 'bar');
 
@@ -1177,7 +1177,7 @@ class OptionsResolverTest extends TestCase
 
     public function testResolveFailsIfInvalidAddedValueMultiple()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\InvalidOptionsException');
+        $this->expectException(InvalidOptionsException::class);
         $this->resolver->setDefault('foo', 42);
         $this->resolver->addAllowedValues('foo', ['bar', 'baz']);
 
@@ -1212,7 +1212,7 @@ class OptionsResolverTest extends TestCase
 
     public function testResolveFailsIfAllAddedClosuresReturnFalse()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\InvalidOptionsException');
+        $this->expectException(InvalidOptionsException::class);
         $this->resolver->setDefault('foo', 42);
         $this->resolver->setAllowedValues('foo', function () { return false; });
         $this->resolver->addAllowedValues('foo', function () { return false; });
@@ -1256,13 +1256,13 @@ class OptionsResolverTest extends TestCase
 
     public function testSetNormalizerFailsIfUnknownOption()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\UndefinedOptionsException');
+        $this->expectException(UndefinedOptionsException::class);
         $this->resolver->setNormalizer('foo', function () {});
     }
 
     public function testFailIfSetNormalizerFromLazyOption()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\AccessException');
+        $this->expectException(AccessException::class);
         $this->resolver->setDefault('foo', function (Options $options) {
             $options->setNormalizer('foo', function () {});
         });
@@ -1298,7 +1298,7 @@ class OptionsResolverTest extends TestCase
 
     public function testValidateTypeBeforeNormalization()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\InvalidOptionsException');
+        $this->expectException(InvalidOptionsException::class);
         $this->resolver->setDefault('foo', 'bar');
 
         $this->resolver->setAllowedTypes('foo', 'int');
@@ -1312,7 +1312,7 @@ class OptionsResolverTest extends TestCase
 
     public function testValidateValueBeforeNormalization()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\InvalidOptionsException');
+        $this->expectException(InvalidOptionsException::class);
         $this->resolver->setDefault('foo', 'bar');
 
         $this->resolver->setAllowedValues('foo', 'baz');
@@ -1364,7 +1364,7 @@ class OptionsResolverTest extends TestCase
 
     public function testFailIfCyclicDependencyBetweenNormalizers()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\OptionDefinitionException');
+        $this->expectException(\Symfony\Component\OptionsResolver\Exception\OptionDefinitionException::class);
         $this->resolver->setDefault('norm1', 'bar');
         $this->resolver->setDefault('norm2', 'baz');
 
@@ -1381,7 +1381,7 @@ class OptionsResolverTest extends TestCase
 
     public function testFailIfCyclicDependencyBetweenNormalizerAndLazyOption()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\OptionDefinitionException');
+        $this->expectException(\Symfony\Component\OptionsResolver\Exception\OptionDefinitionException::class);
         $this->resolver->setDefault('lazy', function (Options $options) {
             $options['norm'];
         });
@@ -1527,13 +1527,13 @@ class OptionsResolverTest extends TestCase
 
     public function testAddNormalizerFailsIfUnknownOption()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\UndefinedOptionsException');
+        $this->expectException(UndefinedOptionsException::class);
         $this->resolver->addNormalizer('foo', function () {});
     }
 
     public function testFailIfAddNormalizerFromLazyOption()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\AccessException');
+        $this->expectException(AccessException::class);
         $this->resolver->setDefault('foo', function (Options $options) {
             $options->addNormalizer('foo', function () {});
         });
@@ -1565,7 +1565,7 @@ class OptionsResolverTest extends TestCase
 
     public function testFailIfSetDefaultsFromLazyOption()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\AccessException');
+        $this->expectException(AccessException::class);
         $this->resolver->setDefault('foo', function (Options $options) {
             $options->setDefaults(['two' => '2']);
         });
@@ -1644,7 +1644,7 @@ class OptionsResolverTest extends TestCase
 
     public function testFailIfRemoveFromLazyOption()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\AccessException');
+        $this->expectException(AccessException::class);
         $this->resolver->setDefault('foo', function (Options $options) {
             $options->remove('bar');
         });
@@ -1718,7 +1718,7 @@ class OptionsResolverTest extends TestCase
 
     public function testFailIfClearFromLazyption()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\AccessException');
+        $this->expectException(AccessException::class);
         $this->resolver->setDefault('foo', function (Options $options) {
             $options->clear();
         });
@@ -1775,7 +1775,7 @@ class OptionsResolverTest extends TestCase
 
     public function testArrayAccessGetFailsOutsideResolve()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\AccessException');
+        $this->expectException(AccessException::class);
         $this->resolver->setDefault('default', 0);
 
         $this->resolver['default'];
@@ -1783,7 +1783,7 @@ class OptionsResolverTest extends TestCase
 
     public function testArrayAccessExistsFailsOutsideResolve()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\AccessException');
+        $this->expectException(AccessException::class);
         $this->resolver->setDefault('default', 0);
 
         isset($this->resolver['default']);
@@ -1791,13 +1791,13 @@ class OptionsResolverTest extends TestCase
 
     public function testArrayAccessSetNotSupported()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\AccessException');
+        $this->expectException(AccessException::class);
         $this->resolver['default'] = 0;
     }
 
     public function testArrayAccessUnsetNotSupported()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\AccessException');
+        $this->expectException(AccessException::class);
         $this->resolver->setDefault('default', 0);
 
         unset($this->resolver['default']);
@@ -1805,7 +1805,7 @@ class OptionsResolverTest extends TestCase
 
     public function testFailIfGetNonExisting()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\NoSuchOptionException');
+        $this->expectException(\Symfony\Component\OptionsResolver\Exception\NoSuchOptionException::class);
         $this->expectExceptionMessage('The option "undefined" does not exist. Defined options are: "foo", "lazy".');
         $this->resolver->setDefault('foo', 'bar');
 
@@ -1818,7 +1818,7 @@ class OptionsResolverTest extends TestCase
 
     public function testFailIfGetDefinedButUnset()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\NoSuchOptionException');
+        $this->expectException(\Symfony\Component\OptionsResolver\Exception\NoSuchOptionException::class);
         $this->expectExceptionMessage('The optional option "defined" has no value set. You should make sure it is set with "isset" before reading it.');
         $this->resolver->setDefined('defined');
 
@@ -1831,7 +1831,7 @@ class OptionsResolverTest extends TestCase
 
     public function testFailIfCyclicDependency()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\OptionDefinitionException');
+        $this->expectException(\Symfony\Component\OptionsResolver\Exception\OptionDefinitionException::class);
         $this->resolver->setDefault('lazy1', function (Options $options) {
             $options['lazy2'];
         });
@@ -1864,7 +1864,7 @@ class OptionsResolverTest extends TestCase
      */
     public function testCountFailsOutsideResolve()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\AccessException');
+        $this->expectException(AccessException::class);
         $this->resolver->setDefault('foo', 0);
         $this->resolver->setRequired('bar');
         $this->resolver->setDefined('bar');
@@ -1921,7 +1921,7 @@ class OptionsResolverTest extends TestCase
 
     public function testNestedArraysException()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\InvalidOptionsException');
+        $this->expectException(InvalidOptionsException::class);
         $this->expectExceptionMessage('The option "foo" with value array is expected to be of type "float[][][][]", but one of the elements is of type "int".');
         $this->resolver->setDefined('foo');
         $this->resolver->setAllowedTypes('foo', 'float[][][][]');
@@ -1939,7 +1939,7 @@ class OptionsResolverTest extends TestCase
 
     public function testNestedArrayException1()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\InvalidOptionsException');
+        $this->expectException(InvalidOptionsException::class);
         $this->expectExceptionMessage('The option "foo" with value array is expected to be of type "int[][]", but one of the elements is of type "bool|string|array".');
         $this->resolver->setDefined('foo');
         $this->resolver->setAllowedTypes('foo', 'int[][]');
@@ -1952,7 +1952,7 @@ class OptionsResolverTest extends TestCase
 
     public function testNestedArrayException2()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\InvalidOptionsException');
+        $this->expectException(InvalidOptionsException::class);
         $this->expectExceptionMessage('The option "foo" with value array is expected to be of type "int[][]", but one of the elements is of type "bool|string|array".');
         $this->resolver->setDefined('foo');
         $this->resolver->setAllowedTypes('foo', 'int[][]');
@@ -1965,7 +1965,7 @@ class OptionsResolverTest extends TestCase
 
     public function testNestedArrayException3()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\InvalidOptionsException');
+        $this->expectException(InvalidOptionsException::class);
         $this->expectExceptionMessage('The option "foo" with value array is expected to be of type "string[][][]", but one of the elements is of type "string|int".');
         $this->resolver->setDefined('foo');
         $this->resolver->setAllowedTypes('foo', 'string[][][]');
@@ -1978,7 +1978,7 @@ class OptionsResolverTest extends TestCase
 
     public function testNestedArrayException4()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\InvalidOptionsException');
+        $this->expectException(InvalidOptionsException::class);
         $this->expectExceptionMessage('The option "foo" with value array is expected to be of type "string[][][]", but one of the elements is of type "int".');
         $this->resolver->setDefined('foo');
         $this->resolver->setAllowedTypes('foo', 'string[][][]');
@@ -1992,7 +1992,7 @@ class OptionsResolverTest extends TestCase
 
     public function testNestedArrayException5()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\InvalidOptionsException');
+        $this->expectException(InvalidOptionsException::class);
         $this->expectExceptionMessage('The option "foo" with value array is expected to be of type "string[]", but one of the elements is of type "array".');
         $this->resolver->setDefined('foo');
         $this->resolver->setAllowedTypes('foo', 'string[]');
@@ -2016,7 +2016,7 @@ class OptionsResolverTest extends TestCase
 
     public function testFailsIfUndefinedNestedOption()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\UndefinedOptionsException');
+        $this->expectException(UndefinedOptionsException::class);
         $this->expectExceptionMessage('The option "database[foo]" does not exist. Defined options are: "host", "port".');
         $this->resolver->setDefaults([
             'name' => 'default',
@@ -2031,7 +2031,7 @@ class OptionsResolverTest extends TestCase
 
     public function testFailsIfMissingRequiredNestedOption()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\MissingOptionsException');
+        $this->expectException(\Symfony\Component\OptionsResolver\Exception\MissingOptionsException::class);
         $this->expectExceptionMessage('The required option "database[host]" is missing.');
         $this->resolver->setDefaults([
             'name' => 'default',
@@ -2046,7 +2046,7 @@ class OptionsResolverTest extends TestCase
 
     public function testFailsIfInvalidTypeNestedOption()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\InvalidOptionsException');
+        $this->expectException(InvalidOptionsException::class);
         $this->expectExceptionMessage('The option "database[logging]" with value null is expected to be of type "bool", but is of type "null".');
         $this->resolver->setDefaults([
             'name' => 'default',
@@ -2063,7 +2063,7 @@ class OptionsResolverTest extends TestCase
 
     public function testFailsIfNotArrayIsGivenForNestedOptions()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\InvalidOptionsException');
+        $this->expectException(InvalidOptionsException::class);
         $this->expectExceptionMessage('The nested option "database" with value null is expected to be of type array, but is of type "null".');
         $this->resolver->setDefaults([
             'name' => 'default',
@@ -2270,7 +2270,7 @@ class OptionsResolverTest extends TestCase
 
     public function testFailsIfCyclicDependencyBetweenSameNestedOption()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\OptionDefinitionException');
+        $this->expectException(\Symfony\Component\OptionsResolver\Exception\OptionDefinitionException::class);
         $this->resolver->setDefault('database', function (OptionsResolver $resolver, Options $parent) {
             $resolver->setDefault('replicas', $parent['database']);
         });
@@ -2279,7 +2279,7 @@ class OptionsResolverTest extends TestCase
 
     public function testFailsIfCyclicDependencyBetweenNestedOptionAndParentLazyOption()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\OptionDefinitionException');
+        $this->expectException(\Symfony\Component\OptionsResolver\Exception\OptionDefinitionException::class);
         $this->resolver->setDefaults([
             'version' => function (Options $options) {
                 return $options['database']['server_version'];
@@ -2293,7 +2293,7 @@ class OptionsResolverTest extends TestCase
 
     public function testFailsIfCyclicDependencyBetweenNormalizerAndNestedOption()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\OptionDefinitionException');
+        $this->expectException(\Symfony\Component\OptionsResolver\Exception\OptionDefinitionException::class);
         $this->resolver
             ->setDefault('name', 'default')
             ->setDefault('database', function (OptionsResolver $resolver, Options $parent) {
@@ -2307,7 +2307,7 @@ class OptionsResolverTest extends TestCase
 
     public function testFailsIfCyclicDependencyBetweenNestedOptions()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\OptionDefinitionException');
+        $this->expectException(\Symfony\Component\OptionsResolver\Exception\OptionDefinitionException::class);
         $this->resolver->setDefault('database', function (OptionsResolver $resolver, Options $parent) {
             $resolver->setDefault('host', $parent['replica']['host']);
         });
@@ -2400,7 +2400,7 @@ class OptionsResolverTest extends TestCase
 
     public function testFailsIfOptionIsAlreadyDefined()
     {
-        $this->expectException('Symfony\Component\OptionsResolver\Exception\OptionDefinitionException');
+        $this->expectException(\Symfony\Component\OptionsResolver\Exception\OptionDefinitionException::class);
         $this->expectExceptionMessage('The option "foo" is already defined.');
         $this->resolver->define('foo');
         $this->resolver->define('foo');

src/Symfony/Component/PropertyAccess/PropertyAccessor.php

@@ -667,7 +667,7 @@ class PropertyAccessor implements PropertyAccessorInterface
      */
     public static function createCache(string $namespace, int $defaultLifetime, string $version, LoggerInterface $logger = null)
     {
-        if (!class_exists('Symfony\Component\Cache\Adapter\ApcuAdapter')) {
+        if (!class_exists(ApcuAdapter::class)) {
             throw new \LogicException(sprintf('The Symfony Cache component must be installed to use "%s()".', __METHOD__));
         }
 

src/Symfony/Component/PropertyAccess/Tests/PropertyAccessorCollectionTest.php

@@ -148,7 +148,7 @@ abstract class PropertyAccessorCollectionTest extends PropertyAccessorArrayAcces
 
     public function testSetValueFailsIfNoAdderNorRemoverFound()
     {
-        $this->expectException('Symfony\Component\PropertyAccess\Exception\NoSuchPropertyException');
+        $this->expectException(\Symfony\Component\PropertyAccess\Exception\NoSuchPropertyException::class);
         $this->expectExceptionMessageMatches('/Could not determine access type for property "axes" in class "Mock_PropertyAccessorCollectionTest_CarNoAdderAndRemover_[^"]*"./');
         $car = $this->getMockBuilder(__CLASS__.'_CarNoAdderAndRemover')->getMock();
         $axesBefore = $this->getContainer([1 => 'second', 3 => 'fourth']);
@@ -187,7 +187,7 @@ abstract class PropertyAccessorCollectionTest extends PropertyAccessorArrayAcces
 
     public function testSetValueFailsIfAdderAndRemoverExistButValueIsNotTraversable()
     {
-        $this->expectException('Symfony\Component\PropertyAccess\Exception\NoSuchPropertyException');
+        $this->expectException(\Symfony\Component\PropertyAccess\Exception\NoSuchPropertyException::class);
         $this->expectExceptionMessageMatches('/The property "axes" in class "Symfony\\\Component\\\PropertyAccess\\\Tests\\\PropertyAccessorCollectionTest_Car" can be defined with the methods "addAxis\(\)", "removeAxis\(\)" but the new value must be an array or an instance of \\\Traversable\./');
         $car = new PropertyAccessorCollectionTest_Car();
 

src/Symfony/Component/PropertyAccess/Tests/PropertyAccessorTest.php

@@ -102,7 +102,7 @@ class PropertyAccessorTest extends TestCase
      */
     public function testGetValueThrowsExceptionIfPropertyNotFound($objectOrArray, $path)
     {
-        $this->expectException('Symfony\Component\PropertyAccess\Exception\NoSuchPropertyException');
+        $this->expectException(\Symfony\Component\PropertyAccess\Exception\NoSuchPropertyException::class);
         $this->propertyAccessor->getValue($objectOrArray, $path);
     }
 
@@ -129,7 +129,7 @@ class PropertyAccessorTest extends TestCase
      */
     public function testGetValueThrowsExceptionIfIndexNotFoundAndIndexExceptionsEnabled($objectOrArray, $path)
     {
-        $this->expectException('Symfony\Component\PropertyAccess\Exception\NoSuchIndexException');
+        $this->expectException(NoSuchIndexException::class);
         $this->propertyAccessor = new PropertyAccessor(false, true);
         $this->propertyAccessor->getValue($objectOrArray, $path);
     }
@@ -158,7 +158,7 @@ class PropertyAccessorTest extends TestCase
      */
     public function testGetValueThrowsExceptionIfUninitializedPropertyWithGetterOfAnonymousClass()
     {
-        $this->expectException('Symfony\Component\PropertyAccess\Exception\AccessException');
+        $this->expectException(\Symfony\Component\PropertyAccess\Exception\AccessException::class);
         $this->expectExceptionMessage('The method "class@anonymous::getUninitialized()" returned "null", but expected type "array". Did you forget to initialize a property or to make the return type nullable using "?array"?');
 
         $object = eval('return new class() {
@@ -178,7 +178,7 @@ class PropertyAccessorTest extends TestCase
      */
     public function testGetValueThrowsExceptionIfUninitializedPropertyWithGetterOfAnonymousStdClass()
     {
-        $this->expectException('Symfony\Component\PropertyAccess\Exception\AccessException');
+        $this->expectException(\Symfony\Component\PropertyAccess\Exception\AccessException::class);
         $this->expectExceptionMessage('The method "stdClass@anonymous::getUninitialized()" returned "null", but expected type "array". Did you forget to initialize a property or to make the return type nullable using "?array"?');
 
         $object = eval('return new class() extends \stdClass {
@@ -198,7 +198,7 @@ class PropertyAccessorTest extends TestCase
      */
     public function testGetValueThrowsExceptionIfUninitializedPropertyWithGetterOfAnonymousChildClass()
     {
-        $this->expectException('Symfony\Component\PropertyAccess\Exception\AccessException');
+        $this->expectException(\Symfony\Component\PropertyAccess\Exception\AccessException::class);
         $this->expectExceptionMessage('The method "Symfony\Component\PropertyAccess\Tests\Fixtures\UninitializedPrivateProperty@anonymous::getUninitialized()" returned "null", but expected type "array". Did you forget to initialize a property or to make the return type nullable using "?array"?');
 
         $object = eval('return new class() extends \Symfony\Component\PropertyAccess\Tests\Fixtures\UninitializedPrivateProperty {};');
@@ -208,7 +208,7 @@ class PropertyAccessorTest extends TestCase
 
     public function testGetValueThrowsExceptionIfNotArrayAccess()
     {
-        $this->expectException('Symfony\Component\PropertyAccess\Exception\NoSuchIndexException');
+        $this->expectException(NoSuchIndexException::class);
         $this->propertyAccessor->getValue(new \stdClass(), '[index]');
     }
 
@@ -257,7 +257,7 @@ class PropertyAccessorTest extends TestCase
 
     public function testGetValueDoesNotReadMagicCallByDefault()
     {
-        $this->expectException('Symfony\Component\PropertyAccess\Exception\NoSuchPropertyException');
+        $this->expectException(\Symfony\Component\PropertyAccess\Exception\NoSuchPropertyException::class);
         $this->propertyAccessor->getValue(new TestClassMagicCall('Bernhard'), 'magicCallProperty');
     }
 
@@ -281,7 +281,7 @@ class PropertyAccessorTest extends TestCase
      */
     public function testGetValueThrowsExceptionIfNotObjectOrArray($objectOrArray, $path)
     {
-        $this->expectException('Symfony\Component\PropertyAccess\Exception\UnexpectedTypeException');
+        $this->expectException(\Symfony\Component\PropertyAccess\Exception\UnexpectedTypeException::class);
         $this->expectExceptionMessage('PropertyAccessor requires a graph of objects or arrays to operate on');
         $this->propertyAccessor->getValue($objectOrArray, $path);
     }
@@ -301,7 +301,7 @@ class PropertyAccessorTest extends TestCase
      */
     public function testSetValueThrowsExceptionIfPropertyNotFound($objectOrArray, $path)
     {
-        $this->expectException('Symfony\Component\PropertyAccess\Exception\NoSuchPropertyException');
+        $this->expectException(\Symfony\Component\PropertyAccess\Exception\NoSuchPropertyException::class);
         $this->propertyAccessor->setValue($objectOrArray, $path, 'Updated');
     }
 
@@ -328,7 +328,7 @@ class PropertyAccessorTest extends TestCase
 
     public function testSetValueThrowsExceptionIfNotArrayAccess()
     {
-        $this->expectException('Symfony\Component\PropertyAccess\Exception\NoSuchIndexException');
+        $this->expectException(NoSuchIndexException::class);
         $object = new \stdClass();
 
         $this->propertyAccessor->setValue($object, '[index]', 'Updated');
@@ -345,7 +345,7 @@ class PropertyAccessorTest extends TestCase
 
     public function testSetValueThrowsExceptionIfThereAreMissingParameters()
     {
-        $this->expectException('Symfony\Component\PropertyAccess\Exception\NoSuchPropertyException');
+        $this->expectException(\Symfony\Component\PropertyAccess\Exception\NoSuchPropertyException::class);
         $object = new TestClass('Bernhard');
 
         $this->propertyAccessor->setValue($object, 'publicAccessorWithMoreRequiredParameters', 'Updated');
@@ -353,7 +353,7 @@ class PropertyAccessorTest extends TestCase
 
     public function testSetValueDoesNotUpdateMagicCallByDefault()
     {
-        $this->expectException('Symfony\Component\PropertyAccess\Exception\NoSuchPropertyException');
+        $this->expectException(\Symfony\Component\PropertyAccess\Exception\NoSuchPropertyException::class);
         $author = new TestClassMagicCall('Bernhard');
 
         $this->propertyAccessor->setValue($author, 'magicCallProperty', 'Updated');
@@ -375,7 +375,7 @@ class PropertyAccessorTest extends TestCase
      */
     public function testSetValueThrowsExceptionIfNotObjectOrArray($objectOrArray, $path)
     {
-        $this->expectException('Symfony\Component\PropertyAccess\Exception\UnexpectedTypeException');
+        $this->expectException(\Symfony\Component\PropertyAccess\Exception\UnexpectedTypeException::class);
         $this->expectExceptionMessage('PropertyAccessor requires a graph of objects or arrays to operate on');
         $this->propertyAccessor->setValue($objectOrArray, $path, 'value');
     }
@@ -611,7 +611,7 @@ class PropertyAccessorTest extends TestCase
 
     public function testThrowTypeError()
     {
-        $this->expectException('Symfony\Component\PropertyAccess\Exception\InvalidArgumentException');
+        $this->expectException(\Symfony\Component\PropertyAccess\Exception\InvalidArgumentException::class);
         $this->expectExceptionMessage('Expected argument of type "DateTime", "string" given at property path "date"');
         $object = new TypeHinted();
 
@@ -620,7 +620,7 @@ class PropertyAccessorTest extends TestCase
 
     public function testThrowTypeErrorWithNullArgument()
     {
-        $this->expectException('Symfony\Component\PropertyAccess\Exception\InvalidArgumentException');
+        $this->expectException(\Symfony\Component\PropertyAccess\Exception\InvalidArgumentException::class);
         $this->expectExceptionMessage('Expected argument of type "DateTime", "null" given');
         $object = new TypeHinted();
 
@@ -672,7 +672,7 @@ class PropertyAccessorTest extends TestCase
 
     public function testThrowTypeErrorWithInterface()
     {
-        $this->expectException('Symfony\Component\PropertyAccess\Exception\InvalidArgumentException');
+        $this->expectException(\Symfony\Component\PropertyAccess\Exception\InvalidArgumentException::class);
         $this->expectExceptionMessage('Expected argument of type "Countable", "string" given');
         $object = new TypeHinted();
 
@@ -692,7 +692,7 @@ class PropertyAccessorTest extends TestCase
 
     public function testAnonymousClassReadThrowExceptionOnInvalidPropertyPath()
     {
-        $this->expectException('Symfony\Component\PropertyAccess\Exception\NoSuchPropertyException');
+        $this->expectException(\Symfony\Component\PropertyAccess\Exception\NoSuchPropertyException::class);
         $obj = $this->generateAnonymousClass('bar');
 
         $this->propertyAccessor->getValue($obj, 'invalid_property');
@@ -752,7 +752,7 @@ class PropertyAccessorTest extends TestCase
 
     public function testThrowTypeErrorInsideSetterCall()
     {
-        $this->expectException('TypeError');
+        $this->expectException(\TypeError::class);
         $object = new TestClassTypeErrorInsideCall();
 
         $this->propertyAccessor->setValue($object, 'property', 'foo');
@@ -760,7 +760,7 @@ class PropertyAccessorTest extends TestCase
 
     public function testDoNotDiscardReturnTypeError()
     {
-        $this->expectException('TypeError');
+        $this->expectException(\TypeError::class);
         $object = new ReturnTyped();
 
         $this->propertyAccessor->setValue($object, 'foos', [new \DateTime()]);
@@ -768,7 +768,7 @@ class PropertyAccessorTest extends TestCase
 
     public function testDoNotDiscardReturnTypeErrorWhenWriterMethodIsMisconfigured()
     {
-        $this->expectException('TypeError');
+        $this->expectException(\TypeError::class);
         $object = new ReturnTyped();
 
         $this->propertyAccessor->setValue($object, 'name', 'foo');
@@ -818,7 +818,7 @@ class PropertyAccessorTest extends TestCase
 
     public function testAdderWithoutRemover()
     {
-        $this->expectException('Symfony\Component\PropertyAccess\Exception\NoSuchPropertyException');
+        $this->expectException(\Symfony\Component\PropertyAccess\Exception\NoSuchPropertyException::class);
         $this->expectExceptionMessageMatches('/.*The add method "addFoo" in class "Symfony\\\Component\\\PropertyAccess\\\Tests\\\Fixtures\\\TestAdderRemoverInvalidMethods" was found, but the corresponding remove method "removeFoo" was not found\./');
         $object = new TestAdderRemoverInvalidMethods();
         $this->propertyAccessor->setValue($object, 'foos', [1, 2]);
@@ -826,7 +826,7 @@ class PropertyAccessorTest extends TestCase
 
     public function testRemoverWithoutAdder()
     {
-        $this->expectException('Symfony\Component\PropertyAccess\Exception\NoSuchPropertyException');
+        $this->expectException(\Symfony\Component\PropertyAccess\Exception\NoSuchPropertyException::class);
         $this->expectExceptionMessageMatches('/.*The remove method "removeBar" in class "Symfony\\\Component\\\PropertyAccess\\\Tests\\\Fixtures\\\TestAdderRemoverInvalidMethods" was found, but the corresponding add method "addBar" was not found\./');
         $object = new TestAdderRemoverInvalidMethods();
         $this->propertyAccessor->setValue($object, 'bars', [1, 2]);
@@ -834,7 +834,7 @@ class PropertyAccessorTest extends TestCase
 
     public function testAdderAndRemoveNeedsTheExactParametersDefined()
     {
-        $this->expectException('Symfony\Component\PropertyAccess\Exception\NoSuchPropertyException');
+        $this->expectException(\Symfony\Component\PropertyAccess\Exception\NoSuchPropertyException::class);
         $this->expectExceptionMessageMatches('/.*The method "addFoo" in class "Symfony\\\Component\\\PropertyAccess\\\Tests\\\Fixtures\\\TestAdderRemoverInvalidArgumentLength" requires 0 arguments, but should accept only 1\./');
         $object = new TestAdderRemoverInvalidArgumentLength();
         $this->propertyAccessor->setValue($object, 'foo', [1, 2]);
@@ -842,7 +842,7 @@ class PropertyAccessorTest extends TestCase
 
     public function testSetterNeedsTheExactParametersDefined()
     {
-        $this->expectException('Symfony\Component\PropertyAccess\Exception\NoSuchPropertyException');
+        $this->expectException(\Symfony\Component\PropertyAccess\Exception\NoSuchPropertyException::class);
         $this->expectExceptionMessageMatches('/.*The method "setBar" in class "Symfony\\\Component\\\PropertyAccess\\\Tests\\\Fixtures\\\TestAdderRemoverInvalidArgumentLength" requires 2 arguments, but should accept only 1\./');
         $object = new TestAdderRemoverInvalidArgumentLength();
         $this->propertyAccessor->setValue($object, 'bar', [1, 2]);
@@ -850,7 +850,7 @@ class PropertyAccessorTest extends TestCase
 
     public function testSetterNeedsPublicAccess()
     {
-        $this->expectException('Symfony\Component\PropertyAccess\Exception\NoSuchPropertyException');
+        $this->expectException(\Symfony\Component\PropertyAccess\Exception\NoSuchPropertyException::class);
         $this->expectExceptionMessageMatches('/.*The method "setFoo" in class "Symfony\\\Component\\\PropertyAccess\\\Tests\\\Fixtures\\\TestClassSetValue" was found but does not have public access./');
         $object = new TestClassSetValue(0);
         $this->propertyAccessor->setValue($object, 'foo', 1);

src/Symfony/Component/Routing/Tests/RouterTest.php

@@ -26,7 +26,7 @@ class RouterTest extends TestCase
 
     protected function setUp(): void
     {
-        $this->loader = $this->getMockBuilder('Symfony\Component\Config\Loader\LoaderInterface')->getMock();
+        $this->loader = $this->getMockBuilder(\Symfony\Component\Config\Loader\LoaderInterface::class)->getMock();
         $this->router = new Router($this->loader, 'routing.yml');
 
         $this->cacheDir = sys_get_temp_dir().\DIRECTORY_SEPARATOR.uniqid('router_', true);
@@ -59,7 +59,7 @@ class RouterTest extends TestCase
 
     public function testSetOptionsWithUnsupportedOptions()
     {
-        $this->expectException('InvalidArgumentException');
+        $this->expectException(\InvalidArgumentException::class);
         $this->expectExceptionMessage('The Router does not support the following options: "option_foo", "option_bar"');
         $this->router->setOptions([
             'cache_dir' => './cache',
@@ -78,14 +78,14 @@ class RouterTest extends TestCase
 
     public function testSetOptionWithUnsupportedOption()
     {
-        $this->expectException('InvalidArgumentException');
+        $this->expectException(\InvalidArgumentException::class);
         $this->expectExceptionMessage('The Router does not support the "option_foo" option');
         $this->router->setOption('option_foo', true);
     }
 
     public function testGetOptionWithUnsupportedOption()
     {
-        $this->expectException('InvalidArgumentException');
+        $this->expectException(\InvalidArgumentException::class);
         $this->expectExceptionMessage('The Router does not support the "option_foo" option');
         $this->router->getOption('option_foo', true);
     }
@@ -111,7 +111,7 @@ class RouterTest extends TestCase
             ->method('load')->with('routing.yml', null)
             ->willReturn(new RouteCollection());
 
-        $this->assertInstanceOf('Symfony\\Component\\Routing\\Matcher\\UrlMatcher', $this->router->getMatcher());
+        $this->assertInstanceOf(\Symfony\Component\Routing\Matcher\UrlMatcher::class, $this->router->getMatcher());
     }
 
     public function testGeneratorIsCreatedIfCacheIsNotConfigured()
@@ -122,12 +122,12 @@ class RouterTest extends TestCase
             ->method('load')->with('routing.yml', null)
             ->willReturn(new RouteCollection());
 
-        $this->assertInstanceOf('Symfony\\Component\\Routing\\Generator\\UrlGenerator', $this->router->getGenerator());
+        $this->assertInstanceOf(\Symfony\Component\Routing\Generator\UrlGenerator::class, $this->router->getGenerator());
     }
 
     public function testMatchRequestWithUrlMatcherInterface()
     {
-        $matcher = $this->getMockBuilder('Symfony\Component\Routing\Matcher\UrlMatcherInterface')->getMock();
+        $matcher = $this->getMockBuilder(\Symfony\Component\Routing\Matcher\UrlMatcherInterface::class)->getMock();
         $matcher->expects($this->once())->method('match');
 
         $p = new \ReflectionProperty($this->router, 'matcher');
@@ -139,7 +139,7 @@ class RouterTest extends TestCase
 
     public function testMatchRequestWithRequestMatcherInterface()
     {
-        $matcher = $this->getMockBuilder('Symfony\Component\Routing\Matcher\RequestMatcherInterface')->getMock();
+        $matcher = $this->getMockBuilder(\Symfony\Component\Routing\Matcher\RequestMatcherInterface::class)->getMock();
         $matcher->expects($this->once())->method('matchRequest');
 
         $p = new \ReflectionProperty($this->router, 'matcher');
@@ -161,7 +161,7 @@ class RouterTest extends TestCase
 
         $generator = $router->getGenerator();
 
-        $this->assertInstanceOf('Symfony\Component\Routing\Generator\UrlGeneratorInterface', $generator);
+        $this->assertInstanceOf(\Symfony\Component\Routing\Generator\UrlGeneratorInterface::class, $generator);
 
         $p = new \ReflectionProperty($generator, 'defaultLocale');
         $p->setAccessible(true);
@@ -181,7 +181,7 @@ class RouterTest extends TestCase
 
         $generator = $router->getGenerator();
 
-        $this->assertInstanceOf('Symfony\Component\Routing\Generator\UrlGeneratorInterface', $generator);
+        $this->assertInstanceOf(\Symfony\Component\Routing\Generator\UrlGeneratorInterface::class, $generator);
 
         $p = new \ReflectionProperty($generator, 'defaultLocale');
         $p->setAccessible(true);

src/Symfony/Component/Security/Core/Tests/Authentication/Provider/DaoAuthenticationProviderTest.php

@@ -25,7 +25,7 @@ class DaoAuthenticationProviderTest extends TestCase
 {
     public function testRetrieveUserWhenProviderDoesNotReturnAnUserInterface()
     {
-        $this->expectException('Symfony\Component\Security\Core\Exception\AuthenticationServiceException');
+        $this->expectException(\Symfony\Component\Security\Core\Exception\AuthenticationServiceException::class);
         $provider = $this->getProvider('fabien');
         $method = new \ReflectionMethod($provider, 'retrieveUser');
         $method->setAccessible(true);
@@ -35,14 +35,14 @@ class DaoAuthenticationProviderTest extends TestCase
 
     public function testRetrieveUserWhenUsernameIsNotFound()
     {
-        $this->expectException('Symfony\Component\Security\Core\Exception\UsernameNotFoundException');
-        $userProvider = $this->getMockBuilder('Symfony\\Component\\Security\\Core\\User\\UserProviderInterface')->getMock();
+        $this->expectException(UsernameNotFoundException::class);
+        $userProvider = $this->getMockBuilder(UserProviderInterface::class)->getMock();
         $userProvider->expects($this->once())
                      ->method('loadUserByUsername')
                      ->willThrowException(new UsernameNotFoundException())
         ;
 
-        $provider = new DaoAuthenticationProvider($userProvider, $this->getMockBuilder('Symfony\\Component\\Security\\Core\\User\\UserCheckerInterface')->getMock(), 'key', $this->getMockBuilder('Symfony\\Component\\Security\\Core\\Encoder\\EncoderFactoryInterface')->getMock());
+        $provider = new DaoAuthenticationProvider($userProvider, $this->getMockBuilder(\Symfony\Component\Security\Core\User\UserCheckerInterface::class)->getMock(), 'key', $this->getMockBuilder(\Symfony\Component\Security\Core\Encoder\EncoderFactoryInterface::class)->getMock());
         $method = new \ReflectionMethod($provider, 'retrieveUser');
         $method->setAccessible(true);
 
@@ -51,14 +51,14 @@ class DaoAuthenticationProviderTest extends TestCase
 
     public function testRetrieveUserWhenAnExceptionOccurs()
     {
-        $this->expectException('Symfony\Component\Security\Core\Exception\AuthenticationServiceException');
-        $userProvider = $this->getMockBuilder('Symfony\\Component\\Security\\Core\\User\\UserProviderInterface')->getMock();
+        $this->expectException(\Symfony\Component\Security\Core\Exception\AuthenticationServiceException::class);
+        $userProvider = $this->getMockBuilder(UserProviderInterface::class)->getMock();
         $userProvider->expects($this->once())
                      ->method('loadUserByUsername')
                      ->willThrowException(new \RuntimeException())
         ;
 
-        $provider = new DaoAuthenticationProvider($userProvider, $this->getMockBuilder('Symfony\\Component\\Security\\Core\\User\\UserCheckerInterface')->getMock(), 'key', $this->getMockBuilder('Symfony\\Component\\Security\\Core\\Encoder\\EncoderFactoryInterface')->getMock());
+        $provider = new DaoAuthenticationProvider($userProvider, $this->getMockBuilder(\Symfony\Component\Security\Core\User\UserCheckerInterface::class)->getMock(), 'key', $this->getMockBuilder(\Symfony\Component\Security\Core\Encoder\EncoderFactoryInterface::class)->getMock());
         $method = new \ReflectionMethod($provider, 'retrieveUser');
         $method->setAccessible(true);
 
@@ -67,7 +67,7 @@ class DaoAuthenticationProviderTest extends TestCase
 
     public function testRetrieveUserReturnsUserFromTokenOnReauthentication()
     {
-        $userProvider = $this->getMockBuilder('Symfony\\Component\\Security\\Core\\User\\UserProviderInterface')->getMock();
+        $userProvider = $this->getMockBuilder(UserProviderInterface::class)->getMock();
         $userProvider->expects($this->never())
                      ->method('loadUserByUsername')
         ;
@@ -79,7 +79,7 @@ class DaoAuthenticationProviderTest extends TestCase
               ->willReturn($user)
         ;
 
-        $provider = new DaoAuthenticationProvider($userProvider, $this->getMockBuilder('Symfony\\Component\\Security\\Core\\User\\UserCheckerInterface')->getMock(), 'key', $this->getMockBuilder('Symfony\\Component\\Security\\Core\\Encoder\\EncoderFactoryInterface')->getMock());
+        $provider = new DaoAuthenticationProvider($userProvider, $this->getMockBuilder(\Symfony\Component\Security\Core\User\UserCheckerInterface::class)->getMock(), 'key', $this->getMockBuilder(\Symfony\Component\Security\Core\Encoder\EncoderFactoryInterface::class)->getMock());
         $reflection = new \ReflectionMethod($provider, 'retrieveUser');
         $reflection->setAccessible(true);
         $result = $reflection->invoke($provider, 'someUser', $token);
@@ -91,13 +91,13 @@ class DaoAuthenticationProviderTest extends TestCase
     {
         $user = new TestUser();
 
-        $userProvider = $this->getMockBuilder('Symfony\\Component\\Security\\Core\\User\\UserProviderInterface')->getMock();
+        $userProvider = $this->getMockBuilder(UserProviderInterface::class)->getMock();
         $userProvider->expects($this->once())
                      ->method('loadUserByUsername')
                      ->willReturn($user)
         ;
 
-        $provider = new DaoAuthenticationProvider($userProvider, $this->getMockBuilder('Symfony\\Component\\Security\\Core\\User\\UserCheckerInterface')->getMock(), 'key', $this->getMockBuilder('Symfony\\Component\\Security\\Core\\Encoder\\EncoderFactoryInterface')->getMock());
+        $provider = new DaoAuthenticationProvider($userProvider, $this->getMockBuilder(\Symfony\Component\Security\Core\User\UserCheckerInterface::class)->getMock(), 'key', $this->getMockBuilder(\Symfony\Component\Security\Core\Encoder\EncoderFactoryInterface::class)->getMock());
         $method = new \ReflectionMethod($provider, 'retrieveUser');
         $method->setAccessible(true);
 
@@ -106,8 +106,8 @@ class DaoAuthenticationProviderTest extends TestCase
 
     public function testCheckAuthenticationWhenCredentialsAreEmpty()
     {
-        $this->expectException('Symfony\Component\Security\Core\Exception\BadCredentialsException');
-        $encoder = $this->getMockBuilder('Symfony\\Component\\Security\\Core\\Encoder\\PasswordEncoderInterface')->getMock();
+        $this->expectException(\Symfony\Component\Security\Core\Exception\BadCredentialsException::class);
+        $encoder = $this->getMockBuilder(\Symfony\Component\Security\Core\Encoder\PasswordEncoderInterface::class)->getMock();
         $encoder
             ->expects($this->never())
             ->method('isPasswordValid')
@@ -129,7 +129,7 @@ class DaoAuthenticationProviderTest extends TestCase
 
     public function testCheckAuthenticationWhenCredentialsAre0()
     {
-        $encoder = $this->getMockBuilder('Symfony\\Component\\Security\\Core\\Encoder\\PasswordEncoderInterface')->getMock();
+        $encoder = $this->getMockBuilder(\Symfony\Component\Security\Core\Encoder\PasswordEncoderInterface::class)->getMock();
         $encoder
             ->expects($this->once())
             ->method('isPasswordValid')
@@ -156,8 +156,8 @@ class DaoAuthenticationProviderTest extends TestCase
 
     public function testCheckAuthenticationWhenCredentialsAreNotValid()
     {
-        $this->expectException('Symfony\Component\Security\Core\Exception\BadCredentialsException');
-        $encoder = $this->getMockBuilder('Symfony\\Component\\Security\\Core\\Encoder\\PasswordEncoderInterface')->getMock();
+        $this->expectException(\Symfony\Component\Security\Core\Exception\BadCredentialsException::class);
+        $encoder = $this->getMockBuilder(\Symfony\Component\Security\Core\Encoder\PasswordEncoderInterface::class)->getMock();
         $encoder->expects($this->once())
                 ->method('isPasswordValid')
                 ->willReturn(false)
@@ -178,8 +178,8 @@ class DaoAuthenticationProviderTest extends TestCase
 
     public function testCheckAuthenticationDoesNotReauthenticateWhenPasswordHasChanged()
     {
-        $this->expectException('Symfony\Component\Security\Core\Exception\BadCredentialsException');
-        $user = $this->getMockBuilder('Symfony\\Component\\Security\\Core\\User\\UserInterface')->getMock();
+        $this->expectException(\Symfony\Component\Security\Core\Exception\BadCredentialsException::class);
+        $user = $this->getMockBuilder(UserInterface::class)->getMock();
         $user->expects($this->once())
              ->method('getPassword')
              ->willReturn('foo')
@@ -190,7 +190,7 @@ class DaoAuthenticationProviderTest extends TestCase
               ->method('getUser')
               ->willReturn($user);
 
-        $dbUser = $this->getMockBuilder('Symfony\\Component\\Security\\Core\\User\\UserInterface')->getMock();
+        $dbUser = $this->getMockBuilder(UserInterface::class)->getMock();
         $dbUser->expects($this->once())
                ->method('getPassword')
                ->willReturn('newFoo')
@@ -204,7 +204,7 @@ class DaoAuthenticationProviderTest extends TestCase
 
     public function testCheckAuthenticationWhenTokenNeedsReauthenticationWorksWithoutOriginalCredentials()
     {
-        $user = $this->getMockBuilder('Symfony\\Component\\Security\\Core\\User\\UserInterface')->getMock();
+        $user = $this->getMockBuilder(UserInterface::class)->getMock();
         $user->expects($this->once())
              ->method('getPassword')
              ->willReturn('foo')
@@ -215,7 +215,7 @@ class DaoAuthenticationProviderTest extends TestCase
               ->method('getUser')
               ->willReturn($user);
 
-        $dbUser = $this->getMockBuilder('Symfony\\Component\\Security\\Core\\User\\UserInterface')->getMock();
+        $dbUser = $this->getMockBuilder(UserInterface::class)->getMock();
         $dbUser->expects($this->once())
                ->method('getPassword')
                ->willReturn('foo')
@@ -229,7 +229,7 @@ class DaoAuthenticationProviderTest extends TestCase
 
     public function testCheckAuthentication()
     {
-        $encoder = $this->getMockBuilder('Symfony\\Component\\Security\\Core\\Encoder\\PasswordEncoderInterface')->getMock();
+        $encoder = $this->getMockBuilder(\Symfony\Component\Security\Core\Encoder\PasswordEncoderInterface::class)->getMock();
         $encoder->expects($this->once())
                 ->method('isPasswordValid')
                 ->willReturn(true)
@@ -288,7 +288,7 @@ class DaoAuthenticationProviderTest extends TestCase
 
     protected function getSupportedToken()
     {
-        $mock = $this->getMockBuilder('Symfony\\Component\\Security\\Core\\Authentication\\Token\\UsernamePasswordToken')->setMethods(['getCredentials', 'getUser', 'getProviderKey'])->disableOriginalConstructor()->getMock();
+        $mock = $this->getMockBuilder(\Symfony\Component\Security\Core\Authentication\Token\UsernamePasswordToken::class)->setMethods(['getCredentials', 'getUser', 'getProviderKey'])->disableOriginalConstructor()->getMock();
         $mock
             ->expects($this->any())
             ->method('getProviderKey')
@@ -309,14 +309,14 @@ class DaoAuthenticationProviderTest extends TestCase
         }
 
         if (null === $userChecker) {
-            $userChecker = $this->getMockBuilder('Symfony\\Component\\Security\\Core\\User\\UserCheckerInterface')->getMock();
+            $userChecker = $this->getMockBuilder(\Symfony\Component\Security\Core\User\UserCheckerInterface::class)->getMock();
         }
 
         if (null === $passwordEncoder) {
             $passwordEncoder = new PlaintextPasswordEncoder();
         }
 
-        $encoderFactory = $this->getMockBuilder('Symfony\\Component\\Security\\Core\\Encoder\\EncoderFactoryInterface')->getMock();
+        $encoderFactory = $this->getMockBuilder(\Symfony\Component\Security\Core\Encoder\EncoderFactoryInterface::class)->getMock();
         $encoderFactory
             ->expects($this->any())
             ->method('getEncoder')

src/Symfony/Component/Security/Core/Tests/Authentication/Provider/UserAuthenticationProviderTest.php

@@ -25,21 +25,21 @@ class UserAuthenticationProviderTest extends TestCase
         $provider = $this->getProvider();
 
         $this->assertTrue($provider->supports($this->getSupportedToken()));
-        $this->assertFalse($provider->supports($this->getMockBuilder('Symfony\Component\Security\Core\Authentication\Token\TokenInterface')->getMock()));
+        $this->assertFalse($provider->supports($this->getMockBuilder(\Symfony\Component\Security\Core\Authentication\Token\TokenInterface::class)->getMock()));
     }
 
     public function testAuthenticateWhenTokenIsNotSupported()
     {
-        $this->expectException('Symfony\Component\Security\Core\Exception\AuthenticationException');
+        $this->expectException(\Symfony\Component\Security\Core\Exception\AuthenticationException::class);
         $this->expectExceptionMessage('The token is not supported by this authentication provider.');
         $provider = $this->getProvider();
 
-        $provider->authenticate($this->getMockBuilder('Symfony\Component\Security\Core\Authentication\Token\TokenInterface')->getMock());
+        $provider->authenticate($this->getMockBuilder(\Symfony\Component\Security\Core\Authentication\Token\TokenInterface::class)->getMock());
     }
 
     public function testAuthenticateWhenUsernameIsNotFound()
     {
-        $this->expectException('Symfony\Component\Security\Core\Exception\UsernameNotFoundException');
+        $this->expectException(UsernameNotFoundException::class);
         $provider = $this->getProvider(false, false);
         $provider->expects($this->once())
                  ->method('retrieveUser')
@@ -51,7 +51,7 @@ class UserAuthenticationProviderTest extends TestCase
 
     public function testAuthenticateWhenUsernameIsNotFoundAndHideIsTrue()
     {
-        $this->expectException('Symfony\Component\Security\Core\Exception\BadCredentialsException');
+        $this->expectException(BadCredentialsException::class);
         $provider = $this->getProvider(false, true);
         $provider->expects($this->once())
                  ->method('retrieveUser')
@@ -63,7 +63,7 @@ class UserAuthenticationProviderTest extends TestCase
 
     public function testAuthenticateWhenProviderDoesNotReturnAnUserInterface()
     {
-        $this->expectException('Symfony\Component\Security\Core\Exception\AuthenticationServiceException');
+        $this->expectException(\Symfony\Component\Security\Core\Exception\AuthenticationServiceException::class);
         $provider = $this->getProvider(false, true);
         $provider->expects($this->once())
                  ->method('retrieveUser')
@@ -75,8 +75,8 @@ class UserAuthenticationProviderTest extends TestCase
 
     public function testAuthenticateWhenPreChecksFails()
     {
-        $this->expectException('Symfony\Component\Security\Core\Exception\CredentialsExpiredException');
-        $userChecker = $this->getMockBuilder('Symfony\Component\Security\Core\User\UserCheckerInterface')->getMock();
+        $this->expectException(CredentialsExpiredException::class);
+        $userChecker = $this->getMockBuilder(\Symfony\Component\Security\Core\User\UserCheckerInterface::class)->getMock();
         $userChecker->expects($this->once())
                     ->method('checkPreAuth')
                     ->willThrowException(new CredentialsExpiredException())
@@ -85,7 +85,7 @@ class UserAuthenticationProviderTest extends TestCase
         $provider = $this->getProvider($userChecker);
         $provider->expects($this->once())
                  ->method('retrieveUser')
-                 ->willReturn($this->getMockBuilder('Symfony\Component\Security\Core\User\UserInterface')->getMock())
+                 ->willReturn($this->getMockBuilder(\Symfony\Component\Security\Core\User\UserInterface::class)->getMock())
         ;
 
         $provider->authenticate($this->getSupportedToken());
@@ -93,8 +93,8 @@ class UserAuthenticationProviderTest extends TestCase
 
     public function testAuthenticateWhenPostChecksFails()
     {
-        $this->expectException('Symfony\Component\Security\Core\Exception\AccountExpiredException');
-        $userChecker = $this->getMockBuilder('Symfony\Component\Security\Core\User\UserCheckerInterface')->getMock();
+        $this->expectException(AccountExpiredException::class);
+        $userChecker = $this->getMockBuilder(\Symfony\Component\Security\Core\User\UserCheckerInterface::class)->getMock();
         $userChecker->expects($this->once())
                     ->method('checkPostAuth')
                     ->willThrowException(new AccountExpiredException())
@@ -103,7 +103,7 @@ class UserAuthenticationProviderTest extends TestCase
         $provider = $this->getProvider($userChecker);
         $provider->expects($this->once())
                  ->method('retrieveUser')
-                 ->willReturn($this->getMockBuilder('Symfony\Component\Security\Core\User\UserInterface')->getMock())
+                 ->willReturn($this->getMockBuilder(\Symfony\Component\Security\Core\User\UserInterface::class)->getMock())
         ;
 
         $provider->authenticate($this->getSupportedToken());
@@ -111,12 +111,12 @@ class UserAuthenticationProviderTest extends TestCase
 
     public function testAuthenticateWhenPostCheckAuthenticationFails()
     {
-        $this->expectException('Symfony\Component\Security\Core\Exception\BadCredentialsException');
+        $this->expectException(BadCredentialsException::class);
         $this->expectExceptionMessage('Bad credentials');
         $provider = $this->getProvider();
         $provider->expects($this->once())
                  ->method('retrieveUser')
-                 ->willReturn($this->getMockBuilder('Symfony\Component\Security\Core\User\UserInterface')->getMock())
+                 ->willReturn($this->getMockBuilder(\Symfony\Component\Security\Core\User\UserInterface::class)->getMock())
         ;
         $provider->expects($this->once())
                  ->method('checkAuthentication')
@@ -128,12 +128,12 @@ class UserAuthenticationProviderTest extends TestCase
 
     public function testAuthenticateWhenPostCheckAuthenticationFailsWithHideFalse()
     {
-        $this->expectException('Symfony\Component\Security\Core\Exception\BadCredentialsException');
+        $this->expectException(BadCredentialsException::class);
         $this->expectExceptionMessage('Foo');
         $provider = $this->getProvider(false, false);
         $provider->expects($this->once())
                  ->method('retrieveUser')
-                 ->willReturn($this->getMockBuilder('Symfony\Component\Security\Core\User\UserInterface')->getMock())
+                 ->willReturn($this->getMockBuilder(\Symfony\Component\Security\Core\User\UserInterface::class)->getMock())
         ;
         $provider->expects($this->once())
                  ->method('checkAuthentication')
@@ -145,7 +145,7 @@ class UserAuthenticationProviderTest extends TestCase
 
     public function testAuthenticate()
     {
-        $user = $this->getMockBuilder('Symfony\Component\Security\Core\User\UserInterface')->getMock();
+        $user = $this->getMockBuilder(\Symfony\Component\Security\Core\User\UserInterface::class)->getMock();
         $user->expects($this->once())
              ->method('getRoles')
              ->willReturn(['ROLE_FOO'])
@@ -165,7 +165,7 @@ class UserAuthenticationProviderTest extends TestCase
 
         $authToken = $provider->authenticate($token);
 
-        $this->assertInstanceOf('Symfony\Component\Security\Core\Authentication\Token\UsernamePasswordToken', $authToken);
+        $this->assertInstanceOf(\Symfony\Component\Security\Core\Authentication\Token\UsernamePasswordToken::class, $authToken);
         $this->assertSame($user, $authToken->getUser());
         $this->assertEquals(['ROLE_FOO'], $authToken->getRoleNames());
         $this->assertEquals('foo', $authToken->getCredentials());
@@ -174,7 +174,7 @@ class UserAuthenticationProviderTest extends TestCase
 
     public function testAuthenticatePreservesOriginalToken()
     {
-        $user = $this->getMockBuilder('Symfony\Component\Security\Core\User\UserInterface')->getMock();
+        $user = $this->getMockBuilder(\Symfony\Component\Security\Core\User\UserInterface::class)->getMock();
         $user->expects($this->once())
              ->method('getRoles')
              ->willReturn(['ROLE_FOO'])
@@ -186,8 +186,8 @@ class UserAuthenticationProviderTest extends TestCase
                  ->willReturn($user)
         ;
 
-        $originalToken = $this->getMockBuilder('Symfony\Component\Security\Core\Authentication\Token\TokenInterface')->getMock();
-        $token = new SwitchUserToken($this->getMockBuilder('Symfony\Component\Security\Core\User\UserInterface')->getMock(), 'foo', 'key', [], $originalToken);
+        $originalToken = $this->getMockBuilder(\Symfony\Component\Security\Core\Authentication\Token\TokenInterface::class)->getMock();
+        $token = new SwitchUserToken($this->getMockBuilder(\Symfony\Component\Security\Core\User\UserInterface::class)->getMock(), 'foo', 'key', [], $originalToken);
         $token->setAttributes(['foo' => 'bar']);
 
         $authToken = $provider->authenticate($token);
@@ -202,7 +202,7 @@ class UserAuthenticationProviderTest extends TestCase
 
     protected function getSupportedToken()
     {
-        $mock = $this->getMockBuilder('Symfony\Component\Security\Core\Authentication\Token\UsernamePasswordToken')->setMethods(['getCredentials', 'getProviderKey', 'getRoles'])->disableOriginalConstructor()->getMock();
+        $mock = $this->getMockBuilder(\Symfony\Component\Security\Core\Authentication\Token\UsernamePasswordToken::class)->setMethods(['getCredentials', 'getProviderKey', 'getRoles'])->disableOriginalConstructor()->getMock();
         $mock
             ->expects($this->any())
             ->method('getProviderKey')
@@ -217,9 +217,9 @@ class UserAuthenticationProviderTest extends TestCase
     protected function getProvider($userChecker = false, $hide = true)
     {
         if (false === $userChecker) {
-            $userChecker = $this->getMockBuilder('Symfony\Component\Security\Core\User\UserCheckerInterface')->getMock();
+            $userChecker = $this->getMockBuilder(\Symfony\Component\Security\Core\User\UserCheckerInterface::class)->getMock();
         }
 
-        return $this->getMockForAbstractClass('Symfony\Component\Security\Core\Authentication\Provider\UserAuthenticationProvider', [$userChecker, 'key', $hide]);
+        return $this->getMockForAbstractClass(\Symfony\Component\Security\Core\Authentication\Provider\UserAuthenticationProvider::class, [$userChecker, 'key', $hide]);
     }
 }

src/Symfony/Component/Security/Core/Tests/Authentication/Token/AbstractTokenTest.php

@@ -26,7 +26,7 @@ class AbstractTokenTest extends TestCase
         $token->setUser(new TestUser('fabien'));
         $this->assertEquals('fabien', $token->getUsername());
 
-        $user = $this->getMockBuilder('Symfony\Component\Security\Core\User\UserInterface')->getMock();
+        $user = $this->getMockBuilder(UserInterface::class)->getMock();
         $user->expects($this->once())->method('getUsername')->willReturn('fabien');
         $token->setUser($user);
         $this->assertEquals('fabien', $token->getUsername());
@@ -36,7 +36,7 @@ class AbstractTokenTest extends TestCase
     {
         $token = new ConcreteToken(['ROLE_FOO']);
 
-        $user = $this->getMockBuilder('Symfony\Component\Security\Core\User\UserInterface')->getMock();
+        $user = $this->getMockBuilder(UserInterface::class)->getMock();
         $user->expects($this->once())->method('eraseCredentials');
         $token->setUser($user);
 
@@ -106,7 +106,7 @@ class AbstractTokenTest extends TestCase
 
     public function getUsers()
     {
-        $user = $this->getMockBuilder('Symfony\Component\Security\Core\User\UserInterface')->getMock();
+        $user = $this->getMockBuilder(UserInterface::class)->getMock();
 
         return [
             [$user],
@@ -133,7 +133,7 @@ class AbstractTokenTest extends TestCase
 
     public function getUserChanges()
     {
-        $user = $this->getMockBuilder('Symfony\Component\Security\Core\User\UserInterface')->getMock();
+        $user = $this->getMockBuilder(UserInterface::class)->getMock();
 
         return [
             ['foo', 'bar'],

src/Symfony/Component/Security/Core/Tests/Authorization/AccessDecisionManagerTest.php

@@ -19,7 +19,7 @@ class AccessDecisionManagerTest extends TestCase
 {
     public function testSetUnsupportedStrategy()
     {
-        $this->expectException('InvalidArgumentException');
+        $this->expectException(\InvalidArgumentException::class);
         new AccessDecisionManager([$this->getVoter(VoterInterface::ACCESS_GRANTED)], 'fooBar');
     }
 
@@ -28,7 +28,7 @@ class AccessDecisionManagerTest extends TestCase
      */
     public function testStrategies($strategy, $voters, $allowIfAllAbstainDecisions, $allowIfEqualGrantedDeniedDecisions, $expected)
     {
-        $token = $this->getMockBuilder('Symfony\Component\Security\Core\Authentication\Token\TokenInterface')->getMock();
+        $token = $this->getMockBuilder(\Symfony\Component\Security\Core\Authentication\Token\TokenInterface::class)->getMock();
         $manager = new AccessDecisionManager($voters, $strategy, $allowIfAllAbstainDecisions, $allowIfEqualGrantedDeniedDecisions);
 
         $this->assertSame($expected, $manager->decide($token, ['ROLE_FOO']));
@@ -112,7 +112,7 @@ class AccessDecisionManagerTest extends TestCase
 
     protected function getVoter($vote)
     {
-        $voter = $this->getMockBuilder('Symfony\Component\Security\Core\Authorization\Voter\VoterInterface')->getMock();
+        $voter = $this->getMockBuilder(VoterInterface::class)->getMock();
         $voter->expects($this->any())
               ->method('vote')
               ->willReturn($vote);

src/Symfony/Component/Security/Core/Tests/Authorization/Voter/AuthenticatedVoterTest.php

@@ -64,13 +64,13 @@ class AuthenticatedVoterTest extends TestCase
     protected function getToken($authenticated)
     {
         if ('fully' === $authenticated) {
-            return $this->getMockBuilder('Symfony\Component\Security\Core\Authentication\Token\TokenInterface')->getMock();
+            return $this->getMockBuilder(\Symfony\Component\Security\Core\Authentication\Token\TokenInterface::class)->getMock();
         } elseif ('remembered' === $authenticated) {
-            return $this->getMockBuilder('Symfony\Component\Security\Core\Authentication\Token\RememberMeToken')->setMethods(['setPersistent'])->disableOriginalConstructor()->getMock();
+            return $this->getMockBuilder(\Symfony\Component\Security\Core\Authentication\Token\RememberMeToken::class)->setMethods(['setPersistent'])->disableOriginalConstructor()->getMock();
         } elseif ('impersonated' === $authenticated) {
-            return $this->getMockBuilder('Symfony\Component\Security\Core\Authentication\Token\SwitchUserToken')->disableOriginalConstructor()->getMock();
+            return $this->getMockBuilder(\Symfony\Component\Security\Core\Authentication\Token\SwitchUserToken::class)->disableOriginalConstructor()->getMock();
         } else {
-            return $this->getMockBuilder('Symfony\Component\Security\Core\Authentication\Token\AnonymousToken')->setConstructorArgs(['', ''])->getMock();
+            return $this->getMockBuilder(\Symfony\Component\Security\Core\Authentication\Token\AnonymousToken::class)->setConstructorArgs(['', ''])->getMock();
         }
     }
 }

src/Symfony/Component/Security/Core/Tests/Authorization/Voter/ExpressionVoterTest.php

@@ -57,7 +57,7 @@ class ExpressionVoterTest extends TestCase
 
     protected function createExpressionLanguage($expressionLanguageExpectsEvaluate = true)
     {
-        $mock = $this->getMockBuilder('Symfony\Component\Security\Core\Authorization\ExpressionLanguage')->getMock();
+        $mock = $this->getMockBuilder(\Symfony\Component\Security\Core\Authorization\ExpressionLanguage::class)->getMock();
 
         if ($expressionLanguageExpectsEvaluate) {
             $mock->expects($this->once())
@@ -70,7 +70,7 @@ class ExpressionVoterTest extends TestCase
 
     protected function createTrustResolver()
     {
-        return $this->getMockBuilder('Symfony\Component\Security\Core\Authentication\AuthenticationTrustResolverInterface')->getMock();
+        return $this->getMockBuilder(\Symfony\Component\Security\Core\Authentication\AuthenticationTrustResolverInterface::class)->getMock();
     }
 
     protected function createAuthorizationChecker()
@@ -80,7 +80,7 @@ class ExpressionVoterTest extends TestCase
 
     protected function createExpression()
     {
-        return $this->getMockBuilder('Symfony\Component\ExpressionLanguage\Expression')
+        return $this->getMockBuilder(\Symfony\Component\ExpressionLanguage\Expression::class)
             ->disableOriginalConstructor()
             ->getMock();
     }

src/Symfony/Component/Security/Core/Tests/Authorization/Voter/VoterTest.php

@@ -65,7 +65,7 @@ class VoterTest extends TestCase
 
     public function testVoteWithTypeError()
     {
-        $this->expectException('TypeError');
+        $this->expectException(\TypeError::class);
         $this->expectExceptionMessage('Should error');
         $voter = new TypeErrorVoterTest_Voter();
         $voter->vote($this->token, new \stdClass(), ['EDIT']);

src/Symfony/Component/Security/Core/Tests/User/UserCheckerTest.php

@@ -21,7 +21,7 @@ class UserCheckerTest extends TestCase
     {
         $checker = new UserChecker();
 
-        $this->assertNull($checker->checkPostAuth($this->getMockBuilder('Symfony\Component\Security\Core\User\UserInterface')->getMock()));
+        $this->assertNull($checker->checkPostAuth($this->getMockBuilder(\Symfony\Component\Security\Core\User\UserInterface::class)->getMock()));
     }
 
     public function testCheckPostAuthPass()
@@ -32,28 +32,28 @@ class UserCheckerTest extends TestCase
 
     public function testCheckPostAuthCredentialsExpired()
     {
-        $this->expectException('Symfony\Component\Security\Core\Exception\CredentialsExpiredException');
+        $this->expectException(\Symfony\Component\Security\Core\Exception\CredentialsExpiredException::class);
         $checker = new UserChecker();
         $checker->checkPostAuth(new User('John', 'password', [], true, true, false, true));
     }
 
     public function testCheckPreAuthAccountLocked()
     {
-        $this->expectException('Symfony\Component\Security\Core\Exception\LockedException');
+        $this->expectException(\Symfony\Component\Security\Core\Exception\LockedException::class);
         $checker = new UserChecker();
         $checker->checkPreAuth(new User('John', 'password', [], true, true, false, false));
     }
 
     public function testCheckPreAuthDisabled()
     {
-        $this->expectException('Symfony\Component\Security\Core\Exception\DisabledException');
+        $this->expectException(\Symfony\Component\Security\Core\Exception\DisabledException::class);
         $checker = new UserChecker();
         $checker->checkPreAuth(new User('John', 'password', [], false, true, false, true));
     }
 
     public function testCheckPreAuthAccountExpired()
     {
-        $this->expectException('Symfony\Component\Security\Core\Exception\AccountExpiredException');
+        $this->expectException(\Symfony\Component\Security\Core\Exception\AccountExpiredException::class);
         $checker = new UserChecker();
         $checker->checkPreAuth(new User('John', 'password', [], true, false, true, true));
     }

src/Symfony/Component/Security/Csrf/Tests/CsrfTokenManagerTest.php

@@ -42,7 +42,7 @@ class CsrfTokenManagerTest extends TestCase
 
         $token = $manager->getToken('token_id');
 
-        $this->assertInstanceOf('Symfony\Component\Security\Csrf\CsrfToken', $token);
+        $this->assertInstanceOf(CsrfToken::class, $token);
         $this->assertSame('token_id', $token->getId());
         $this->assertSame('TOKEN', $token->getValue());
     }
@@ -64,7 +64,7 @@ class CsrfTokenManagerTest extends TestCase
 
         $token = $manager->getToken('token_id');
 
-        $this->assertInstanceOf('Symfony\Component\Security\Csrf\CsrfToken', $token);
+        $this->assertInstanceOf(CsrfToken::class, $token);
         $this->assertSame('token_id', $token->getId());
         $this->assertSame('TOKEN', $token->getValue());
     }
@@ -87,7 +87,7 @@ class CsrfTokenManagerTest extends TestCase
 
         $token = $manager->refreshToken('token_id');
 
-        $this->assertInstanceOf('Symfony\Component\Security\Csrf\CsrfToken', $token);
+        $this->assertInstanceOf(CsrfToken::class, $token);
         $this->assertSame('token_id', $token->getId());
         $this->assertSame('TOKEN', $token->getValue());
     }
@@ -159,9 +159,9 @@ class CsrfTokenManagerTest extends TestCase
 
     public function testNamespaced()
     {
-        $generator = $this->getMockBuilder('Symfony\Component\Security\Csrf\TokenGenerator\TokenGeneratorInterface')->getMock();
+        $generator = $this->getMockBuilder(\Symfony\Component\Security\Csrf\TokenGenerator\TokenGeneratorInterface::class)->getMock();
         $generator->expects($this->once())->method('generateToken')->willReturn('random');
-        $storage = $this->getMockBuilder('Symfony\Component\Security\Csrf\TokenStorage\TokenStorageInterface')->getMock();
+        $storage = $this->getMockBuilder(\Symfony\Component\Security\Csrf\TokenStorage\TokenStorageInterface::class)->getMock();
 
         $requestStack = new RequestStack();
         $requestStack->push(new Request([], [], [], [], [], ['HTTPS' => 'on']));
@@ -207,8 +207,8 @@ class CsrfTokenManagerTest extends TestCase
     private function getGeneratorAndStorage(): array
     {
         return [
-            $this->getMockBuilder('Symfony\Component\Security\Csrf\TokenGenerator\TokenGeneratorInterface')->getMock(),
-            $this->getMockBuilder('Symfony\Component\Security\Csrf\TokenStorage\TokenStorageInterface')->getMock(),
+            $this->getMockBuilder(\Symfony\Component\Security\Csrf\TokenGenerator\TokenGeneratorInterface::class)->getMock(),
+            $this->getMockBuilder(\Symfony\Component\Security\Csrf\TokenStorage\TokenStorageInterface::class)->getMock(),
         ];
     }
 

src/Symfony/Component/Security/Guard/Tests/Provider/GuardAuthenticationProviderTest.php

@@ -121,12 +121,12 @@ class GuardAuthenticationProviderTest extends TestCase
 
     public function testGuardWithNoLongerAuthenticatedTriggersLogout()
     {
-        $this->expectException('Symfony\Component\Security\Core\Exception\AuthenticationExpiredException');
+        $this->expectException(\Symfony\Component\Security\Core\Exception\AuthenticationExpiredException::class);
         $providerKey = 'my_firewall_abc';
 
         // create a token and mark it as NOT authenticated anymore
         // this mimics what would happen if a user "changed" between request
-        $mockedUser = $this->getMockBuilder('Symfony\Component\Security\Core\User\UserInterface')->getMock();
+        $mockedUser = $this->getMockBuilder(UserInterface::class)->getMock();
         $token = new PostAuthenticationGuardToken($mockedUser, $providerKey, ['ROLE_USER']);
         $token->setAuthenticated(false);
 
@@ -140,7 +140,7 @@ class GuardAuthenticationProviderTest extends TestCase
         $authenticatorB = $this->getMockBuilder(AuthenticatorInterface::class)->getMock();
         $authenticators = [$authenticatorA, $authenticatorB];
 
-        $mockedUser = $this->getMockBuilder('Symfony\Component\Security\Core\User\UserInterface')->getMock();
+        $mockedUser = $this->getMockBuilder(UserInterface::class)->getMock();
         $provider = new GuardAuthenticationProvider($authenticators, $this->userProvider, 'first_firewall', $this->userChecker);
 
         $token = new PreAuthenticationGuardToken($mockedUser, 'first_firewall_1');
@@ -154,12 +154,12 @@ class GuardAuthenticationProviderTest extends TestCase
 
     public function testAuthenticateFailsOnNonOriginatingToken()
     {
-        $this->expectException('Symfony\Component\Security\Core\Exception\AuthenticationException');
+        $this->expectException(\Symfony\Component\Security\Core\Exception\AuthenticationException::class);
         $this->expectExceptionMessageMatches('/second_firewall_0/');
         $authenticatorA = $this->getMockBuilder(AuthenticatorInterface::class)->getMock();
         $authenticators = [$authenticatorA];
 
-        $mockedUser = $this->getMockBuilder('Symfony\Component\Security\Core\User\UserInterface')->getMock();
+        $mockedUser = $this->getMockBuilder(UserInterface::class)->getMock();
         $provider = new GuardAuthenticationProvider($authenticators, $this->userProvider, 'first_firewall', $this->userChecker);
 
         $token = new PreAuthenticationGuardToken($mockedUser, 'second_firewall_0');
@@ -168,9 +168,9 @@ class GuardAuthenticationProviderTest extends TestCase
 
     protected function setUp(): void
     {
-        $this->userProvider = $this->getMockBuilder('Symfony\Component\Security\Core\User\UserProviderInterface')->getMock();
-        $this->userChecker = $this->getMockBuilder('Symfony\Component\Security\Core\User\UserCheckerInterface')->getMock();
-        $this->preAuthenticationToken = $this->getMockBuilder('Symfony\Component\Security\Guard\Token\PreAuthenticationGuardToken')
+        $this->userProvider = $this->getMockBuilder(\Symfony\Component\Security\Core\User\UserProviderInterface::class)->getMock();
+        $this->userChecker = $this->getMockBuilder(\Symfony\Component\Security\Core\User\UserCheckerInterface::class)->getMock();
+        $this->preAuthenticationToken = $this->getMockBuilder(PreAuthenticationGuardToken::class)
             ->disableOriginalConstructor()
             ->getMock();
     }

src/Symfony/Component/Security/Http/Tests/EventListener/SessionStrategyListenerTest.php

@@ -67,7 +67,7 @@ class SessionStrategyListenerTest extends TestCase
 
     private function configurePreviousSession()
     {
-        $session = $this->getMockBuilder('Symfony\Component\HttpFoundation\Session\SessionInterface')->getMock();
+        $session = $this->getMockBuilder(\Symfony\Component\HttpFoundation\Session\SessionInterface::class)->getMock();
         $session->expects($this->any())
             ->method('getName')
             ->willReturn('test_session_name');

src/Symfony/Component/Security/Http/Tests/Firewall/AccessListenerTest.php

@@ -247,9 +247,9 @@ class AccessListenerTest extends TestCase
 
         $listener = new AccessListener(
             $tokenStorage,
-            $this->getMockBuilder('Symfony\Component\Security\Core\Authorization\AccessDecisionManagerInterface')->getMock(),
+            $this->getMockBuilder(AccessDecisionManagerInterface::class)->getMock(),
             $accessMap,
-            $this->getMockBuilder('Symfony\Component\Security\Core\Authentication\AuthenticationManagerInterface')->getMock(),
+            $this->getMockBuilder(AuthenticationManagerInterface::class)->getMock(),
             false
         );
 
@@ -270,9 +270,9 @@ class AccessListenerTest extends TestCase
 
         $listener = new AccessListener(
             $tokenStorage,
-            $this->getMockBuilder('Symfony\Component\Security\Core\Authorization\AccessDecisionManagerInterface')->getMock(),
+            $this->getMockBuilder(AccessDecisionManagerInterface::class)->getMock(),
             $accessMap,
-            $this->getMockBuilder('Symfony\Component\Security\Core\Authentication\AuthenticationManagerInterface')->getMock(),
+            $this->getMockBuilder(AuthenticationManagerInterface::class)->getMock(),
             false
         );
 
@@ -297,9 +297,9 @@ class AccessListenerTest extends TestCase
 
         $listener = new AccessListener(
             $tokenStorage,
-            $this->getMockBuilder('Symfony\Component\Security\Core\Authorization\AccessDecisionManagerInterface')->getMock(),
+            $this->getMockBuilder(AccessDecisionManagerInterface::class)->getMock(),
             $accessMap,
-            $this->getMockBuilder('Symfony\Component\Security\Core\Authentication\AuthenticationManagerInterface')->getMock(),
+            $this->getMockBuilder(AuthenticationManagerInterface::class)->getMock(),
             false
         );
 

src/Symfony/Component/Security/Http/Tests/Firewall/LogoutListenerTest.php

@@ -121,7 +121,7 @@ class LogoutListenerTest extends TestCase
 
     public function testNoResponseSet()
     {
-        $this->expectException('RuntimeException');
+        $this->expectException(\RuntimeException::class);
 
         [$listener, , $httpUtils, $options] = $this->getListener();
 
@@ -137,7 +137,7 @@ class LogoutListenerTest extends TestCase
 
     public function testCsrfValidationFails()
     {
-        $this->expectException('Symfony\Component\Security\Core\Exception\LogoutException');
+        $this->expectException(\Symfony\Component\Security\Core\Exception\LogoutException::class);
         $tokenManager = $this->getTokenManager();
 
         [$listener, , $httpUtils, $options] = $this->getListener(null, $tokenManager);
@@ -194,12 +194,12 @@ class LogoutListenerTest extends TestCase
 
     private function getTokenManager()
     {
-        return $this->getMockBuilder('Symfony\Component\Security\Csrf\CsrfTokenManagerInterface')->getMock();
+        return $this->getMockBuilder(\Symfony\Component\Security\Csrf\CsrfTokenManagerInterface::class)->getMock();
     }
 
     private function getTokenStorage()
     {
-        return $this->getMockBuilder('Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface')->getMock();
+        return $this->getMockBuilder(\Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface::class)->getMock();
     }
 
     private function getGetResponseEvent()
@@ -217,7 +217,7 @@ class LogoutListenerTest extends TestCase
 
     private function getHttpUtils()
     {
-        return $this->getMockBuilder('Symfony\Component\Security\Http\HttpUtils')
+        return $this->getMockBuilder(\Symfony\Component\Security\Http\HttpUtils::class)
             ->disableOriginalConstructor()
             ->getMock();
     }
@@ -247,6 +247,6 @@ class LogoutListenerTest extends TestCase
 
     private function getToken()
     {
-        return $this->getMockBuilder('Symfony\Component\Security\Core\Authentication\Token\TokenInterface')->getMock();
+        return $this->getMockBuilder(\Symfony\Component\Security\Core\Authentication\Token\TokenInterface::class)->getMock();
     }
 }

src/Symfony/Component/Security/Http/Tests/Firewall/UsernamePasswordFormAuthenticationListenerTest.php

@@ -33,9 +33,9 @@ class UsernamePasswordFormAuthenticationListenerTest extends TestCase
     public function testHandleWhenUsernameLength($username, $ok)
     {
         $request = Request::create('/login_check', 'POST', ['_username' => $username]);
-        $request->setSession($this->getMockBuilder('Symfony\Component\HttpFoundation\Session\SessionInterface')->getMock());
+        $request->setSession($this->getMockBuilder(\Symfony\Component\HttpFoundation\Session\SessionInterface::class)->getMock());
 
-        $httpUtils = $this->getMockBuilder('Symfony\Component\Security\Http\HttpUtils')->getMock();
+        $httpUtils = $this->getMockBuilder(HttpUtils::class)->getMock();
         $httpUtils
             ->expects($this->any())
             ->method('checkRequestPath')
@@ -46,14 +46,14 @@ class UsernamePasswordFormAuthenticationListenerTest extends TestCase
             ->willReturn(new RedirectResponse('/hello'))
         ;
 
-        $failureHandler = $this->getMockBuilder('Symfony\Component\Security\Http\Authentication\AuthenticationFailureHandlerInterface')->getMock();
+        $failureHandler = $this->getMockBuilder(\Symfony\Component\Security\Http\Authentication\AuthenticationFailureHandlerInterface::class)->getMock();
         $failureHandler
             ->expects($ok ? $this->never() : $this->once())
             ->method('onAuthenticationFailure')
             ->willReturn(new Response())
         ;
 
-        $authenticationManager = $this->getMockBuilder('Symfony\Component\Security\Core\Authentication\AuthenticationProviderManager')->disableOriginalConstructor()->getMock();
+        $authenticationManager = $this->getMockBuilder(\Symfony\Component\Security\Core\Authentication\AuthenticationProviderManager::class)->disableOriginalConstructor()->getMock();
         $authenticationManager
             ->expects($ok ? $this->once() : $this->never())
             ->method('authenticate')
@@ -61,9 +61,9 @@ class UsernamePasswordFormAuthenticationListenerTest extends TestCase
         ;
 
         $listener = new UsernamePasswordFormAuthenticationListener(
-            $this->getMockBuilder('Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface')->getMock(),
+            $this->getMockBuilder(\Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface::class)->getMock(),
             $authenticationManager,
-            $this->getMockBuilder('Symfony\Component\Security\Http\Session\SessionAuthenticationStrategyInterface')->getMock(),
+            $this->getMockBuilder(\Symfony\Component\Security\Http\Session\SessionAuthenticationStrategyInterface::class)->getMock(),
             $httpUtils,
             'TheProviderKey',
             new DefaultAuthenticationSuccessHandler($httpUtils),
@@ -86,18 +86,18 @@ class UsernamePasswordFormAuthenticationListenerTest extends TestCase
      */
     public function testHandleNonStringUsernameWithArray($postOnly)
     {
-        $this->expectException('Symfony\Component\HttpKernel\Exception\BadRequestHttpException');
+        $this->expectException(\Symfony\Component\HttpKernel\Exception\BadRequestHttpException::class);
         $this->expectExceptionMessage('The key "_username" must be a string, "array" given.');
         $request = Request::create('/login_check', 'POST', ['_username' => []]);
-        $request->setSession($this->getMockBuilder('Symfony\Component\HttpFoundation\Session\SessionInterface')->getMock());
+        $request->setSession($this->getMockBuilder(\Symfony\Component\HttpFoundation\Session\SessionInterface::class)->getMock());
         $listener = new UsernamePasswordFormAuthenticationListener(
             new TokenStorage(),
-            $this->getMockBuilder('Symfony\Component\Security\Core\Authentication\AuthenticationManagerInterface')->getMock(),
+            $this->getMockBuilder(\Symfony\Component\Security\Core\Authentication\AuthenticationManagerInterface::class)->getMock(),
             new SessionAuthenticationStrategy(SessionAuthenticationStrategy::NONE),
             $httpUtils = new HttpUtils(),
             'foo',
             new DefaultAuthenticationSuccessHandler($httpUtils),
-            new DefaultAuthenticationFailureHandler($this->getMockBuilder('Symfony\Component\HttpKernel\HttpKernelInterface')->getMock(), $httpUtils),
+            new DefaultAuthenticationFailureHandler($this->getMockBuilder(HttpKernelInterface::class)->getMock(), $httpUtils),
             ['require_previous_session' => false, 'post_only' => $postOnly]
         );
         $event = new RequestEvent($this->getMockBuilder(HttpKernelInterface::class)->getMock(), $request, HttpKernelInterface::MASTER_REQUEST);
@@ -109,18 +109,18 @@ class UsernamePasswordFormAuthenticationListenerTest extends TestCase
      */
     public function testHandleNonStringUsernameWithInt($postOnly)
     {
-        $this->expectException('Symfony\Component\HttpKernel\Exception\BadRequestHttpException');
+        $this->expectException(\Symfony\Component\HttpKernel\Exception\BadRequestHttpException::class);
         $this->expectExceptionMessage('The key "_username" must be a string, "int" given.');
         $request = Request::create('/login_check', 'POST', ['_username' => 42]);
-        $request->setSession($this->getMockBuilder('Symfony\Component\HttpFoundation\Session\SessionInterface')->getMock());
+        $request->setSession($this->getMockBuilder(\Symfony\Component\HttpFoundation\Session\SessionInterface::class)->getMock());
         $listener = new UsernamePasswordFormAuthenticationListener(
             new TokenStorage(),
-            $this->getMockBuilder('Symfony\Component\Security\Core\Authentication\AuthenticationManagerInterface')->getMock(),
+            $this->getMockBuilder(\Symfony\Component\Security\Core\Authentication\AuthenticationManagerInterface::class)->getMock(),
             new SessionAuthenticationStrategy(SessionAuthenticationStrategy::NONE),
             $httpUtils = new HttpUtils(),
             'foo',
             new DefaultAuthenticationSuccessHandler($httpUtils),
-            new DefaultAuthenticationFailureHandler($this->getMockBuilder('Symfony\Component\HttpKernel\HttpKernelInterface')->getMock(), $httpUtils),
+            new DefaultAuthenticationFailureHandler($this->getMockBuilder(HttpKernelInterface::class)->getMock(), $httpUtils),
             ['require_previous_session' => false, 'post_only' => $postOnly]
         );
         $event = new RequestEvent($this->getMockBuilder(HttpKernelInterface::class)->getMock(), $request, HttpKernelInterface::MASTER_REQUEST);
@@ -132,18 +132,18 @@ class UsernamePasswordFormAuthenticationListenerTest extends TestCase
      */
     public function testHandleNonStringUsernameWithObject($postOnly)
     {
-        $this->expectException('Symfony\Component\HttpKernel\Exception\BadRequestHttpException');
+        $this->expectException(\Symfony\Component\HttpKernel\Exception\BadRequestHttpException::class);
         $this->expectExceptionMessage('The key "_username" must be a string, "stdClass" given.');
         $request = Request::create('/login_check', 'POST', ['_username' => new \stdClass()]);
-        $request->setSession($this->getMockBuilder('Symfony\Component\HttpFoundation\Session\SessionInterface')->getMock());
+        $request->setSession($this->getMockBuilder(\Symfony\Component\HttpFoundation\Session\SessionInterface::class)->getMock());
         $listener = new UsernamePasswordFormAuthenticationListener(
             new TokenStorage(),
-            $this->getMockBuilder('Symfony\Component\Security\Core\Authentication\AuthenticationManagerInterface')->getMock(),
+            $this->getMockBuilder(\Symfony\Component\Security\Core\Authentication\AuthenticationManagerInterface::class)->getMock(),
             new SessionAuthenticationStrategy(SessionAuthenticationStrategy::NONE),
             $httpUtils = new HttpUtils(),
             'foo',
             new DefaultAuthenticationSuccessHandler($httpUtils),
-            new DefaultAuthenticationFailureHandler($this->getMockBuilder('Symfony\Component\HttpKernel\HttpKernelInterface')->getMock(), $httpUtils),
+            new DefaultAuthenticationFailureHandler($this->getMockBuilder(HttpKernelInterface::class)->getMock(), $httpUtils),
             ['require_previous_session' => false, 'post_only' => $postOnly]
         );
         $event = new RequestEvent($this->getMockBuilder(HttpKernelInterface::class)->getMock(), $request, HttpKernelInterface::MASTER_REQUEST);
@@ -162,15 +162,15 @@ class UsernamePasswordFormAuthenticationListenerTest extends TestCase
             ->willReturn('someUsername');
 
         $request = Request::create('/login_check', 'POST', ['_username' => $usernameClass]);
-        $request->setSession($this->getMockBuilder('Symfony\Component\HttpFoundation\Session\SessionInterface')->getMock());
+        $request->setSession($this->getMockBuilder(\Symfony\Component\HttpFoundation\Session\SessionInterface::class)->getMock());
         $listener = new UsernamePasswordFormAuthenticationListener(
             new TokenStorage(),
-            $this->getMockBuilder('Symfony\Component\Security\Core\Authentication\AuthenticationManagerInterface')->getMock(),
+            $this->getMockBuilder(\Symfony\Component\Security\Core\Authentication\AuthenticationManagerInterface::class)->getMock(),
             new SessionAuthenticationStrategy(SessionAuthenticationStrategy::NONE),
             $httpUtils = new HttpUtils(),
             'foo',
             new DefaultAuthenticationSuccessHandler($httpUtils),
-            new DefaultAuthenticationFailureHandler($this->getMockBuilder('Symfony\Component\HttpKernel\HttpKernelInterface')->getMock(), $httpUtils),
+            new DefaultAuthenticationFailureHandler($this->getMockBuilder(HttpKernelInterface::class)->getMock(), $httpUtils),
             ['require_previous_session' => false, 'post_only' => $postOnly]
         );
         $event = new RequestEvent($this->getMockBuilder(HttpKernelInterface::class)->getMock(), $request, HttpKernelInterface::MASTER_REQUEST);

src/Symfony/Component/Security/Http/Tests/FirewallTest.php

@@ -12,9 +12,13 @@
 namespace Symfony\Component\Security\Http\Tests;
 
 use PHPUnit\Framework\TestCase;
+use Symfony\Component\EventDispatcher\EventDispatcherInterface;
+use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpKernel\Event\RequestEvent;
 use Symfony\Component\HttpKernel\HttpKernelInterface;
 use Symfony\Component\Security\Http\Firewall;
+use Symfony\Component\Security\Http\Firewall\ExceptionListener;
+use Symfony\Component\Security\Http\FirewallMapInterface;
 
 class FirewallTest extends TestCase
 {

src/Symfony/Component/Security/Http/Tests/RememberMe/PersistentTokenBasedRememberMeServicesTest.php

@@ -62,7 +62,7 @@ class PersistentTokenBasedRememberMeServicesTest extends TestCase
             $tokenValue = 'foovalue',
         ]));
 
-        $tokenProvider = $this->getMockBuilder('Symfony\Component\Security\Core\Authentication\RememberMe\TokenProviderInterface')->getMock();
+        $tokenProvider = $this->getMockBuilder(\Symfony\Component\Security\Core\Authentication\RememberMe\TokenProviderInterface::class)->getMock();
         $tokenProvider
             ->expects($this->once())
             ->method('loadTokenBySeries')
@@ -81,7 +81,7 @@ class PersistentTokenBasedRememberMeServicesTest extends TestCase
         $request = new Request();
         $request->cookies->set('foo', $this->encodeCookie(['fooseries', 'foovalue']));
 
-        $tokenProvider = $this->getMockBuilder('Symfony\Component\Security\Core\Authentication\RememberMe\TokenProviderInterface')->getMock();
+        $tokenProvider = $this->getMockBuilder(\Symfony\Component\Security\Core\Authentication\RememberMe\TokenProviderInterface::class)->getMock();
         $tokenProvider
             ->expects($this->once())
             ->method('loadTokenBySeries')
@@ -106,7 +106,7 @@ class PersistentTokenBasedRememberMeServicesTest extends TestCase
         $request = new Request();
         $request->cookies->set('foo', $this->encodeCookie(['fooseries', 'foovalue']));
 
-        $tokenProvider = $this->getMockBuilder('Symfony\Component\Security\Core\Authentication\RememberMe\TokenProviderInterface')->getMock();
+        $tokenProvider = $this->getMockBuilder(\Symfony\Component\Security\Core\Authentication\RememberMe\TokenProviderInterface::class)->getMock();
         $service->setTokenProvider($tokenProvider);
 
         $tokenProvider
@@ -137,7 +137,7 @@ class PersistentTokenBasedRememberMeServicesTest extends TestCase
         $request = new Request();
         $request->cookies->set('foo', $this->encodeCookie(['fooseries', 'foovalue']));
 
-        $tokenProvider = $this->getMockBuilder('Symfony\Component\Security\Core\Authentication\RememberMe\TokenProviderInterface')->getMock();
+        $tokenProvider = $this->getMockBuilder(\Symfony\Component\Security\Core\Authentication\RememberMe\TokenProviderInterface::class)->getMock();
         $tokenProvider
             ->expects($this->once())
             ->method('loadTokenBySeries')
@@ -156,7 +156,7 @@ class PersistentTokenBasedRememberMeServicesTest extends TestCase
      */
     public function testAutoLogin(bool $hashTokenValue)
     {
-        $user = $this->getMockBuilder('Symfony\Component\Security\Core\User\UserInterface')->getMock();
+        $user = $this->getMockBuilder(\Symfony\Component\Security\Core\User\UserInterface::class)->getMock();
         $user
             ->expects($this->once())
             ->method('getRoles')
@@ -175,7 +175,7 @@ class PersistentTokenBasedRememberMeServicesTest extends TestCase
         $request = new Request();
         $request->cookies->set('foo', $this->encodeCookie(['fooseries', 'foovalue']));
 
-        $tokenProvider = $this->getMockBuilder('Symfony\Component\Security\Core\Authentication\RememberMe\TokenProviderInterface')->getMock();
+        $tokenProvider = $this->getMockBuilder(\Symfony\Component\Security\Core\Authentication\RememberMe\TokenProviderInterface::class)->getMock();
         $tokenValue = $hashTokenValue ? $this->generateHash('foovalue') : 'foovalue';
         $tokenProvider
             ->expects($this->once())
@@ -187,7 +187,7 @@ class PersistentTokenBasedRememberMeServicesTest extends TestCase
 
         $returnedToken = $service->autoLogin($request);
 
-        $this->assertInstanceOf('Symfony\Component\Security\Core\Authentication\Token\RememberMeToken', $returnedToken);
+        $this->assertInstanceOf(\Symfony\Component\Security\Core\Authentication\Token\RememberMeToken::class, $returnedToken);
         $this->assertSame($user, $returnedToken->getUser());
         $this->assertEquals('foosecret', $returnedToken->getSecret());
         $this->assertTrue($request->attributes->has(RememberMeServicesInterface::COOKIE_ATTR_NAME));
@@ -199,9 +199,9 @@ class PersistentTokenBasedRememberMeServicesTest extends TestCase
         $request = new Request();
         $request->cookies->set('foo', $this->encodeCookie(['fooseries', 'foovalue']));
         $response = new Response();
-        $token = $this->getMockBuilder('Symfony\Component\Security\Core\Authentication\Token\TokenInterface')->getMock();
+        $token = $this->getMockBuilder(\Symfony\Component\Security\Core\Authentication\Token\TokenInterface::class)->getMock();
 
-        $tokenProvider = $this->getMockBuilder('Symfony\Component\Security\Core\Authentication\RememberMe\TokenProviderInterface')->getMock();
+        $tokenProvider = $this->getMockBuilder(\Symfony\Component\Security\Core\Authentication\RememberMe\TokenProviderInterface::class)->getMock();
         $tokenProvider
             ->expects($this->once())
             ->method('deleteTokenBySeries')
@@ -225,9 +225,9 @@ class PersistentTokenBasedRememberMeServicesTest extends TestCase
         $service = $this->getService(null, ['name' => 'foo', 'path' => null, 'domain' => null]);
         $request = new Request();
         $response = new Response();
-        $token = $this->getMockBuilder('Symfony\Component\Security\Core\Authentication\Token\TokenInterface')->getMock();
+        $token = $this->getMockBuilder(\Symfony\Component\Security\Core\Authentication\Token\TokenInterface::class)->getMock();
 
-        $tokenProvider = $this->getMockBuilder('Symfony\Component\Security\Core\Authentication\RememberMe\TokenProviderInterface')->getMock();
+        $tokenProvider = $this->getMockBuilder(\Symfony\Component\Security\Core\Authentication\RememberMe\TokenProviderInterface::class)->getMock();
         $tokenProvider
             ->expects($this->never())
             ->method('deleteTokenBySeries')
@@ -248,9 +248,9 @@ class PersistentTokenBasedRememberMeServicesTest extends TestCase
         $request = new Request();
         $request->cookies->set('foo', 'somefoovalue');
         $response = new Response();
-        $token = $this->getMockBuilder('Symfony\Component\Security\Core\Authentication\Token\TokenInterface')->getMock();
+        $token = $this->getMockBuilder(\Symfony\Component\Security\Core\Authentication\Token\TokenInterface::class)->getMock();
 
-        $tokenProvider = $this->getMockBuilder('Symfony\Component\Security\Core\Authentication\RememberMe\TokenProviderInterface')->getMock();
+        $tokenProvider = $this->getMockBuilder(\Symfony\Component\Security\Core\Authentication\RememberMe\TokenProviderInterface::class)->getMock();
         $tokenProvider
             ->expects($this->never())
             ->method('deleteTokenBySeries')
@@ -278,20 +278,20 @@ class PersistentTokenBasedRememberMeServicesTest extends TestCase
         $request = new Request();
         $response = new Response();
 
-        $account = $this->getMockBuilder('Symfony\Component\Security\Core\User\UserInterface')->getMock();
+        $account = $this->getMockBuilder(\Symfony\Component\Security\Core\User\UserInterface::class)->getMock();
         $account
             ->expects($this->once())
             ->method('getUsername')
             ->willReturn('foo')
         ;
-        $token = $this->getMockBuilder('Symfony\Component\Security\Core\Authentication\Token\TokenInterface')->getMock();
+        $token = $this->getMockBuilder(\Symfony\Component\Security\Core\Authentication\Token\TokenInterface::class)->getMock();
         $token
             ->expects($this->any())
             ->method('getUser')
             ->willReturn($account)
         ;
 
-        $tokenProvider = $this->getMockBuilder('Symfony\Component\Security\Core\Authentication\RememberMe\TokenProviderInterface')->getMock();
+        $tokenProvider = $this->getMockBuilder(\Symfony\Component\Security\Core\Authentication\RememberMe\TokenProviderInterface::class)->getMock();
         $tokenProvider
             ->expects($this->once())
             ->method('createNewToken')
@@ -334,7 +334,7 @@ class PersistentTokenBasedRememberMeServicesTest extends TestCase
 
     protected function getProvider()
     {
-        $provider = $this->getMockBuilder('Symfony\Component\Security\Core\User\UserProviderInterface')->getMock();
+        $provider = $this->getMockBuilder(\Symfony\Component\Security\Core\User\UserProviderInterface::class)->getMock();
         $provider
             ->expects($this->any())
             ->method('supportsClass')

src/Symfony/Component/Serializer/Tests/Normalizer/JsonSerializableNormalizerTest.php

@@ -68,7 +68,7 @@ class JsonSerializableNormalizerTest extends TestCase
 
     public function testCircularNormalize()
     {
-        $this->expectException('Symfony\Component\Serializer\Exception\CircularReferenceException');
+        $this->expectException(\Symfony\Component\Serializer\Exception\CircularReferenceException::class);
         $this->createNormalizer([JsonSerializableNormalizer::CIRCULAR_REFERENCE_LIMIT => 1]);
 
         $this->serializer
@@ -86,7 +86,7 @@ class JsonSerializableNormalizerTest extends TestCase
 
     public function testInvalidDataThrowException()
     {
-        $this->expectException('Symfony\Component\Serializer\Exception\InvalidArgumentException');
+        $this->expectException(\Symfony\Component\Serializer\Exception\InvalidArgumentException::class);
         $this->expectExceptionMessage('The object must implement "JsonSerializable".');
         $this->normalizer->normalize(new \stdClass());
     }

src/Symfony/Component/Serializer/Tests/Normalizer/UnwrappinDenormalizerTest.php

@@ -26,7 +26,7 @@ class UnwrappinDenormalizerTest extends TestCase
 
     protected function setUp(): void
     {
-        $this->serializer = $this->getMockBuilder('Symfony\Component\Serializer\Serializer')->getMock();
+        $this->serializer = $this->getMockBuilder(\Symfony\Component\Serializer\Serializer::class)->getMock();
         $this->denormalizer = new UnwrappingDenormalizer();
         $this->denormalizer->setSerializer($this->serializer);
     }

src/Symfony/Component/Serializer/Tests/SerializerTest.php

@@ -66,7 +66,7 @@ class SerializerTest extends TestCase
 
     public function testItThrowsExceptionOnInvalidNormalizer()
     {
-        $this->expectException('Symfony\Component\Serializer\Exception\InvalidArgumentException');
+        $this->expectException(InvalidArgumentException::class);
         $this->expectExceptionMessage('The class "stdClass" neither implements "Symfony\\Component\\Serializer\\Normalizer\\NormalizerInterface" nor "Symfony\\Component\\Serializer\\Normalizer\\DenormalizerInterface".');
 
         new Serializer([new \stdClass()]);
@@ -74,7 +74,7 @@ class SerializerTest extends TestCase
 
     public function testItThrowsExceptionOnInvalidEncoder()
     {
-        $this->expectException('Symfony\Component\Serializer\Exception\InvalidArgumentException');
+        $this->expectException(InvalidArgumentException::class);
         $this->expectExceptionMessage('The class "stdClass" neither implements "Symfony\\Component\\Serializer\\Encoder\\EncoderInterface" nor "Symfony\\Component\\Serializer\\Encoder\\DecoderInterface"');
 
         new Serializer([], [new \stdClass()]);

src/Symfony/Component/Translation/Tests/LoggingTranslatorTest.php

@@ -19,7 +19,7 @@ class LoggingTranslatorTest extends TestCase
 {
     public function testTransWithNoTranslationIsLogged()
     {
-        $logger = $this->getMockBuilder('Psr\Log\LoggerInterface')->getMock();
+        $logger = $this->getMockBuilder(\Psr\Log\LoggerInterface::class)->getMock();
         $logger->expects($this->exactly(1))
             ->method('warning')
             ->with('Translation not found.')

src/Symfony/Component/Translation/Tests/TranslatorTest.php

@@ -37,7 +37,7 @@ class TranslatorTest extends TestCase
      */
     public function testConstructorInvalidLocale($locale)
     {
-        $this->expectException('Symfony\Component\Translation\Exception\InvalidArgumentException');
+        $this->expectException(\Symfony\Component\Translation\Exception\InvalidArgumentException::class);
         new Translator($locale);
     }
 
@@ -66,7 +66,7 @@ class TranslatorTest extends TestCase
      */
     public function testSetInvalidLocale($locale)
     {
-        $this->expectException('Symfony\Component\Translation\Exception\InvalidArgumentException');
+        $this->expectException(\Symfony\Component\Translation\Exception\InvalidArgumentException::class);
         $translator = new Translator('fr');
         $translator->setLocale($locale);
     }
@@ -149,7 +149,7 @@ class TranslatorTest extends TestCase
      */
     public function testSetFallbackInvalidLocales($locale)
     {
-        $this->expectException('Symfony\Component\Translation\Exception\InvalidArgumentException');
+        $this->expectException(\Symfony\Component\Translation\Exception\InvalidArgumentException::class);
         $translator = new Translator('fr');
         $translator->setFallbackLocales(['fr', $locale]);
     }
@@ -181,7 +181,7 @@ class TranslatorTest extends TestCase
      */
     public function testAddResourceInvalidLocales($locale)
     {
-        $this->expectException('Symfony\Component\Translation\Exception\InvalidArgumentException');
+        $this->expectException(\Symfony\Component\Translation\Exception\InvalidArgumentException::class);
         $translator = new Translator('fr');
         $translator->addResource('array', ['foo' => 'foofoo'], $locale);
     }
@@ -216,7 +216,7 @@ class TranslatorTest extends TestCase
      */
     public function testTransWithoutFallbackLocaleFile($format, $loader)
     {
-        $this->expectException('Symfony\Component\Translation\Exception\NotFoundResourceException');
+        $this->expectException(\Symfony\Component\Translation\Exception\NotFoundResourceException::class);
         $loaderClass = 'Symfony\\Component\\Translation\\Loader\\'.$loader;
         $translator = new Translator('en');
         $translator->addLoader($format, new $loaderClass());
@@ -332,7 +332,7 @@ class TranslatorTest extends TestCase
 
     public function testWhenAResourceHasNoRegisteredLoader()
     {
-        $this->expectException('Symfony\Component\Translation\Exception\RuntimeException');
+        $this->expectException(RuntimeException::class);
         $translator = new Translator('en');
         $translator->addResource('array', ['foo' => 'foofoo'], 'en');
 
@@ -386,7 +386,7 @@ class TranslatorTest extends TestCase
      */
     public function testTransInvalidLocale($locale)
     {
-        $this->expectException('Symfony\Component\Translation\Exception\InvalidArgumentException');
+        $this->expectException(\Symfony\Component\Translation\Exception\InvalidArgumentException::class);
         $translator = new Translator('en');
         $translator->addLoader('array', new ArrayLoader());
         $translator->addResource('array', ['foo' => 'foofoo'], 'en');

src/Symfony/Component/Translation/Tests/Writer/TranslationWriterTest.php

@@ -12,6 +12,7 @@
 namespace Symfony\Component\Translation\Tests\Writer;
 
 use PHPUnit\Framework\TestCase;
+use Symfony\Component\Translation\Dumper\DumperInterface;
 use Symfony\Component\Translation\MessageCatalogue;
 use Symfony\Component\Translation\Writer\TranslationWriter;
 

src/Symfony/Component/Validator/Test/ConstraintValidatorTestCase.php

@@ -112,7 +112,7 @@ abstract class ConstraintValidatorTestCase extends TestCase
     {
         $translator = $this->getMockBuilder(TranslatorInterface::class)->getMock();
         $translator->expects($this->any())->method('trans')->willReturnArgument(0);
-        $validator = $this->getMockBuilder('Symfony\Component\Validator\Validator\ValidatorInterface')->getMock();
+        $validator = $this->getMockBuilder(\Symfony\Component\Validator\Validator\ValidatorInterface::class)->getMock();
         $validator->expects($this->any())
             ->method('validate')
             ->willReturnCallback(function () {

src/Symfony/Component/Validator/Tests/Constraints/AtLeastOneOfTest.php

@@ -22,7 +22,7 @@ class AtLeastOneOfTest extends TestCase
 {
     public function testRejectNonConstraints()
     {
-        $this->expectException('Symfony\Component\Validator\Exception\ConstraintDefinitionException');
+        $this->expectException(\Symfony\Component\Validator\Exception\ConstraintDefinitionException::class);
         new AtLeastOneOf([
             'foo',
         ]);
@@ -30,7 +30,7 @@ class AtLeastOneOfTest extends TestCase
 
     public function testRejectValidConstraint()
     {
-        $this->expectException('Symfony\Component\Validator\Exception\ConstraintDefinitionException');
+        $this->expectException(\Symfony\Component\Validator\Exception\ConstraintDefinitionException::class);
         new AtLeastOneOf([
             new Valid(),
         ]);

src/Symfony/Component/Validator/Tests/Constraints/LengthValidatorTest.php

@@ -54,7 +54,7 @@ class LengthValidatorTest extends ConstraintValidatorTestCase
 
     public function testExpectsStringCompatibleType()
     {
-        $this->expectException('Symfony\Component\Validator\Exception\UnexpectedValueException');
+        $this->expectException(\Symfony\Component\Validator\Exception\UnexpectedValueException::class);
         $this->validator->validate(new \stdClass(), new Length(['value' => 5]));
     }
 

src/Symfony/Component/Validator/Tests/Constraints/LocaleValidatorTest.php

@@ -38,7 +38,7 @@ class LocaleValidatorTest extends ConstraintValidatorTestCase
 
     public function testExpectsStringCompatibleType()
     {
-        $this->expectException('Symfony\Component\Validator\Exception\UnexpectedValueException');
+        $this->expectException(\Symfony\Component\Validator\Exception\UnexpectedValueException::class);
         $this->validator->validate(new \stdClass(), new Locale());
     }
 

src/Symfony/Component/Validator/Tests/Constraints/UrlValidatorTest.php

@@ -45,7 +45,7 @@ class UrlValidatorTest extends ConstraintValidatorTestCase
 
     public function testExpectsStringCompatibleType()
     {
-        $this->expectException('Symfony\Component\Validator\Exception\UnexpectedValueException');
+        $this->expectException(\Symfony\Component\Validator\Exception\UnexpectedValueException::class);
         $this->validator->validate(new \stdClass(), new Url());
     }
 

src/Symfony/Component/Validator/Tests/Mapping/Factory/LazyLoadingMetadataFactoryTest.php

@@ -106,9 +106,9 @@ class LazyLoadingMetadataFactoryTest extends TestCase
 
     public function testNonClassNameStringValues()
     {
-        $this->expectException('Symfony\Component\Validator\Exception\NoSuchMetadataException');
+        $this->expectException(\Symfony\Component\Validator\Exception\NoSuchMetadataException::class);
         $testedValue = 'error@example.com';
-        $loader = $this->getMockBuilder('Symfony\Component\Validator\Mapping\Loader\LoaderInterface')->getMock();
+        $loader = $this->getMockBuilder(LoaderInterface::class)->getMock();
         $cache = $this->createMock(CacheItemPoolInterface::class);
         $factory = new LazyLoadingMetadataFactory($loader, $cache);
         $cache

src/Symfony/Component/Validator/Tests/ValidatorBuilderTest.php

@@ -35,7 +35,7 @@ class ValidatorBuilderTest extends TestCase
     public function testAddObjectInitializer()
     {
         $this->assertSame($this->builder, $this->builder->addObjectInitializer(
-            $this->getMockBuilder('Symfony\Component\Validator\ObjectInitializerInterface')->getMock()
+            $this->getMockBuilder(\Symfony\Component\Validator\ObjectInitializerInterface::class)->getMock()
         ));
     }
 
@@ -92,14 +92,14 @@ class ValidatorBuilderTest extends TestCase
     public function testSetConstraintValidatorFactory()
     {
         $this->assertSame($this->builder, $this->builder->setConstraintValidatorFactory(
-            $this->getMockBuilder('Symfony\Component\Validator\ConstraintValidatorFactoryInterface')->getMock())
+            $this->getMockBuilder(\Symfony\Component\Validator\ConstraintValidatorFactoryInterface::class)->getMock())
         );
     }
 
     public function testSetTranslator()
     {
         $this->assertSame($this->builder, $this->builder->setTranslator(
-            $this->getMockBuilder('Symfony\Contracts\Translation\TranslatorInterface')->getMock())
+            $this->getMockBuilder(\Symfony\Contracts\Translation\TranslatorInterface::class)->getMock())
         );
     }
 
@@ -110,6 +110,6 @@ class ValidatorBuilderTest extends TestCase
 
     public function testGetValidator()
     {
-        $this->assertInstanceOf('Symfony\Component\Validator\Validator\RecursiveValidator', $this->builder->getValidator());
+        $this->assertInstanceOf(\Symfony\Component\Validator\Validator\RecursiveValidator::class, $this->builder->getValidator());
     }
 }

src/Symfony/Component/Workflow/Tests/Metadata/InMemoryMetadataStoreTest.php

@@ -77,7 +77,7 @@ class InMemoryMetadataStoreTest extends TestCase
 
     public function testGetMetadataWithUnknownType()
     {
-        $this->expectException('Symfony\Component\Workflow\Exception\InvalidArgumentException');
+        $this->expectException(\Symfony\Component\Workflow\Exception\InvalidArgumentException::class);
         $this->expectExceptionMessage('Could not find a MetadataBag for the subject of type "bool".');
         $this->store->getMetadata('title', true);
     }

src/Symfony/Component/Workflow/Tests/Validator/WorkflowValidatorTest.php

@@ -14,7 +14,7 @@ class WorkflowValidatorTest extends TestCase
 
     public function testWorkflowWithInvalidNames()
     {
-        $this->expectException('Symfony\Component\Workflow\Exception\InvalidDefinitionException');
+        $this->expectException(\Symfony\Component\Workflow\Exception\InvalidDefinitionException::class);
         $this->expectExceptionMessage('All transitions for a place must have an unique name. Multiple transitions named "t1" where found for place "a" in workflow "foo".');
         $places = range('a', 'c');
 

src/Symfony/Component/Workflow/Tests/WorkflowTest.php

@@ -23,7 +23,7 @@ class WorkflowTest extends TestCase
 
     public function testGetMarkingWithInvalidStoreReturn()
     {
-        $this->expectException('Symfony\Component\Workflow\Exception\LogicException');
+        $this->expectException(\Symfony\Component\Workflow\Exception\LogicException::class);
         $this->expectExceptionMessage('The value returned by the MarkingStore is not an instance of "Symfony\Component\Workflow\Marking" for workflow "unnamed".');
         $subject = new Subject();
         $workflow = new Workflow(new Definition([], []), $this->getMockBuilder(MarkingStoreInterface::class)->getMock());
@@ -33,7 +33,7 @@ class WorkflowTest extends TestCase
 
     public function testGetMarkingWithEmptyDefinition()
     {
-        $this->expectException('Symfony\Component\Workflow\Exception\LogicException');
+        $this->expectException(\Symfony\Component\Workflow\Exception\LogicException::class);
         $this->expectExceptionMessage('The Marking is empty and there is no initial place for workflow "unnamed".');
         $subject = new Subject();
         $workflow = new Workflow(new Definition([], []), new MethodMarkingStore());
@@ -43,7 +43,7 @@ class WorkflowTest extends TestCase
 
     public function testGetMarkingWithImpossiblePlace()
     {
-        $this->expectException('Symfony\Component\Workflow\Exception\LogicException');
+        $this->expectException(\Symfony\Component\Workflow\Exception\LogicException::class);
         $this->expectExceptionMessage('Place "nope" is not valid for workflow "unnamed".');
         $subject = new Subject();
         $subject->setMarking(['nope' => 1]);
@@ -170,7 +170,7 @@ class WorkflowTest extends TestCase
 
     public function testBuildTransitionBlockerListReturnsUndefinedTransition()
     {
-        $this->expectException('Symfony\Component\Workflow\Exception\UndefinedTransitionException');
+        $this->expectException(UndefinedTransitionException::class);
         $this->expectExceptionMessage('Transition "404 Not Found" is not defined for workflow "unnamed".');
         $definition = $this->createSimpleWorkflowDefinition();
         $subject = new Subject();

src/Symfony/Component/Yaml/Tests/ParserTest.php

@@ -525,7 +525,7 @@ EOF;
 
     public function testMappingKeyInMultiLineStringTriggersDeprecationNotice()
     {
-        $this->expectException('Symfony\Component\Yaml\Exception\ParseException');
+        $this->expectException(ParseException::class);
         $this->expectExceptionMessage('Mapping values are not allowed in multi-line blocks at line 2 (near "dbal:wrong").');
 
         $yaml = <<<'EOF'