diff --git a/src/Symfony/Component/Locale/Tests/Stub/StubLocaleTest.php b/src/Symfony/Component/Locale/Tests/Stub/StubLocaleTest.php
index 568ee1ead3..ed08aac272 100644
--- a/src/Symfony/Component/Locale/Tests/Stub/StubLocaleTest.php
+++ b/src/Symfony/Component/Locale/Tests/Stub/StubLocaleTest.php
@@ -11,7 +11,6 @@
 
 namespace Symfony\Component\Locale\Tests\Stub;
 
-use Symfony\Component\Locale\Locale;
 use Symfony\Component\Locale\Stub\StubLocale;
 use Symfony\Component\Locale\Tests\TestCase as LocaleTestCase;
 
@@ -22,7 +21,7 @@ class StubLocaleTest extends LocaleTestCase
      */
     public function testGetDisplayCountriesWithUnsupportedLocale()
     {
-        $countries = StubLocale::getDisplayCountries('pt_BR');
+        StubLocale::getDisplayCountries('pt_BR');
     }
 
     public function testGetDisplayCountries()
@@ -42,7 +41,7 @@ class StubLocaleTest extends LocaleTestCase
      */
     public function testGetDisplayLanguagesWithUnsupportedLocale()
     {
-        $countries = StubLocale::getDisplayLanguages('pt_BR');
+        StubLocale::getDisplayLanguages('pt_BR');
     }
 
     public function testGetDisplayLanguages()
@@ -62,7 +61,7 @@ class StubLocaleTest extends LocaleTestCase
      */
     public function testGetCurrenciesDataWithUnsupportedLocale()
     {
-        $currencies = StubLocale::getCurrenciesData('pt_BR');
+        StubLocale::getCurrenciesData('pt_BR');
     }
 
     public function testGetCurrenciesData()
@@ -97,7 +96,7 @@ class StubLocaleTest extends LocaleTestCase
      */
     public function testGetDisplayLocalesWithUnsupportedLocale()
     {
-        $locales = StubLocale::getDisplayLocales('pt');
+        StubLocale::getDisplayLocales('pt');
     }
 
     public function testGetDisplayLocales()
diff --git a/src/Symfony/Component/Translation/Loader/MoFileLoader.php b/src/Symfony/Component/Translation/Loader/MoFileLoader.php
index 181915073f..724fb7f0b3 100644
--- a/src/Symfony/Component/Translation/Loader/MoFileLoader.php
+++ b/src/Symfony/Component/Translation/Loader/MoFileLoader.php
@@ -43,6 +43,10 @@ class MoFileLoader extends ArrayLoader implements LoaderInterface
 
     public function load($resource, $locale, $domain = 'messages')
     {
+        if (!file_exists($resource)) {
+            throw new \InvalidArgumentException(sprintf('File "%s" not found.', $resource));
+        }
+
         $messages = $this->parse($resource);
 
         // empty file
diff --git a/src/Symfony/Component/Translation/Loader/PhpFileLoader.php b/src/Symfony/Component/Translation/Loader/PhpFileLoader.php
index c80d938a8a..ebb73200e5 100644
--- a/src/Symfony/Component/Translation/Loader/PhpFileLoader.php
+++ b/src/Symfony/Component/Translation/Loader/PhpFileLoader.php
@@ -29,6 +29,10 @@ class PhpFileLoader extends ArrayLoader implements LoaderInterface
      */
     public function load($resource, $locale, $domain = 'messages')
     {
+        if (!file_exists($resource)) {
+            throw new \InvalidArgumentException(sprintf('File "%s" not found.', $resource));
+        }
+
         if (!stream_is_local($resource)) {
             throw new \InvalidArgumentException(sprintf('This is not a local file "%s".', $resource));
         }
diff --git a/src/Symfony/Component/Translation/Loader/PoFileLoader.php b/src/Symfony/Component/Translation/Loader/PoFileLoader.php
index c783cb1ecc..686162ac18 100644
--- a/src/Symfony/Component/Translation/Loader/PoFileLoader.php
+++ b/src/Symfony/Component/Translation/Loader/PoFileLoader.php
@@ -21,6 +21,10 @@ class PoFileLoader extends ArrayLoader implements LoaderInterface
 {
     public function load($resource, $locale, $domain = 'messages')
     {
+        if (!file_exists($resource)) {
+            throw new \InvalidArgumentException(sprintf('File "%s" not found.', $resource));
+        }
+
         $messages = $this->parse($resource);
 
         // empty file
diff --git a/src/Symfony/Component/Translation/Loader/XliffFileLoader.php b/src/Symfony/Component/Translation/Loader/XliffFileLoader.php
index e8bc40d47a..8e5e0db092 100644
--- a/src/Symfony/Component/Translation/Loader/XliffFileLoader.php
+++ b/src/Symfony/Component/Translation/Loader/XliffFileLoader.php
@@ -30,6 +30,10 @@ class XliffFileLoader implements LoaderInterface
      */
     public function load($resource, $locale, $domain = 'messages')
     {
+        if (!file_exists($resource)) {
+            throw new \InvalidArgumentException(sprintf('File "%s" not found.', $resource));
+        }
+
         if (!stream_is_local($resource)) {
             throw new \InvalidArgumentException(sprintf('This is not a local file "%s".', $resource));
         }
diff --git a/src/Symfony/Component/Translation/Tests/Loader/CsvFileLoaderTest.php b/src/Symfony/Component/Translation/Tests/Loader/CsvFileLoaderTest.php
index 303e22868f..b74521bdc9 100644
--- a/src/Symfony/Component/Translation/Tests/Loader/CsvFileLoaderTest.php
+++ b/src/Symfony/Component/Translation/Tests/Loader/CsvFileLoaderTest.php
@@ -48,7 +48,7 @@ class CsvFileLoaderTest extends \PHPUnit_Framework_TestCase
     /**
      * @expectedException \InvalidArgumentException
      */
-    public function testLoadThrowsAnExceptionIfFileNotExists()
+    public function testLoadNonExistingResource()
     {
         $loader = new CsvFileLoader();
         $resource = __DIR__.'/../fixtures/not-exists.csv';
@@ -58,7 +58,7 @@ class CsvFileLoaderTest extends \PHPUnit_Framework_TestCase
     /**
      * @expectedException \InvalidArgumentException
      */
-    public function testLoadThrowsAnExceptionIfFileNotLocal()
+    public function testLoadNonLocalResource()
     {
         $loader = new CsvFileLoader();
         $resource = 'http://example.com/resources.csv';
diff --git a/src/Symfony/Component/Translation/Tests/Loader/IcuDatFileLoaderTest.php b/src/Symfony/Component/Translation/Tests/Loader/IcuDatFileLoaderTest.php
index 5dc85f1b56..1e6b3dadf0 100644
--- a/src/Symfony/Component/Translation/Tests/Loader/IcuDatFileLoaderTest.php
+++ b/src/Symfony/Component/Translation/Tests/Loader/IcuDatFileLoaderTest.php
@@ -53,12 +53,22 @@ class IcuDatFileLoaderTest extends LocalizedTestCase
         $this->assertEquals(array(new FileResource($resource.'.dat')), $catalogue->getResources());
     }
 
+    /**
+     * @expectedException \RuntimeException
+     */
+    public function testLoadNonExistingResource()
+    {
+        $loader = new IcuDatFileLoader();
+        $resource = __DIR__.'/../fixtures/non-existing.txt';
+        $loader->load($resource, 'en', 'domain1');
+    }
+
     /**
      * @expectedException \RuntimeException
      */
     public function testLoadInvalidResource()
     {
         $loader = new IcuDatFileLoader();
-        $catalogue = $loader->load(__DIR__.'/../fixtures/resourcebundle/res/en.txt', 'en', 'domain1');
+        $loader->load(__DIR__.'/../fixtures/resourcebundle/res/en.txt', 'en', 'domain1');
     }
 }
diff --git a/src/Symfony/Component/Translation/Tests/Loader/IcuResFileLoaderTest.php b/src/Symfony/Component/Translation/Tests/Loader/IcuResFileLoaderTest.php
index eeb84bc0e7..cc6e28b3c9 100644
--- a/src/Symfony/Component/Translation/Tests/Loader/IcuResFileLoaderTest.php
+++ b/src/Symfony/Component/Translation/Tests/Loader/IcuResFileLoaderTest.php
@@ -40,12 +40,22 @@ class IcuResFileLoaderTest extends LocalizedTestCase
         $this->assertEquals(array(new DirectoryResource($resource)), $catalogue->getResources());
     }
 
+    /**
+     * @expectedException \RuntimeException
+     */
+    public function testLoadNonExistingResource()
+    {
+        $loader = new IcuResFileLoader();
+        $resource = __DIR__.'/../fixtures/non-existing.txt';
+        $loader->load($resource, 'en', 'domain1');
+    }
+
     /**
      * @expectedException \RuntimeException
      */
     public function testLoadInvalidResource()
     {
         $loader = new IcuResFileLoader();
-        $catalogue = $loader->load(__DIR__.'/../fixtures/resourcebundle/res/en.txt', 'en', 'domain1');
+        $loader->load(__DIR__.'/../fixtures/resourcebundle/res/en.txt', 'en', 'domain1');
     }
 }
diff --git a/src/Symfony/Component/Translation/Tests/Loader/IniFileLoaderTest.php b/src/Symfony/Component/Translation/Tests/Loader/IniFileLoaderTest.php
index 30dd3595ed..43a5e774a7 100644
--- a/src/Symfony/Component/Translation/Tests/Loader/IniFileLoaderTest.php
+++ b/src/Symfony/Component/Translation/Tests/Loader/IniFileLoaderTest.php
@@ -45,6 +45,16 @@ class IniFileLoaderTest extends \PHPUnit_Framework_TestCase
         $this->assertEquals(array(new FileResource($resource)), $catalogue->getResources());
     }
 
+    /**
+     * @expectedException \InvalidArgumentException
+     */
+    public function testLoadNonExistingResource()
+    {
+        $loader = new IniFileLoader();
+        $resource = __DIR__.'/../fixtures/non-existing.ini';
+        $loader->load($resource, 'en', 'domain1');
+    }
+
     /**
      * @expectedException \InvalidArgumentException
      */
diff --git a/src/Symfony/Component/Translation/Tests/Loader/MoFileLoaderTest.php b/src/Symfony/Component/Translation/Tests/Loader/MoFileLoaderTest.php
index b90d07cb3a..1cd9543102 100644
--- a/src/Symfony/Component/Translation/Tests/Loader/MoFileLoaderTest.php
+++ b/src/Symfony/Component/Translation/Tests/Loader/MoFileLoaderTest.php
@@ -45,6 +45,16 @@ class MoFileLoaderTest extends \PHPUnit_Framework_TestCase
         $this->assertEquals(array(new FileResource($resource)), $catalogue->getResources());
     }
 
+    /**
+     * @expectedException \InvalidArgumentException
+     */
+    public function testLoadNonExistingResource()
+    {
+        $loader = new MoFileLoader();
+        $resource = __DIR__.'/../fixtures/non-existing.mo';
+        $loader->load($resource, 'en', 'domain1');
+    }
+
     /**
      * @expectedException \InvalidArgumentException
      */
@@ -52,6 +62,6 @@ class MoFileLoaderTest extends \PHPUnit_Framework_TestCase
     {
         $loader = new MoFileLoader();
         $resource = __DIR__.'/../fixtures/empty.mo';
-        $catalogue = $loader->load($resource, 'en', 'domain1');
+        $loader->load($resource, 'en', 'domain1');
     }
 }
diff --git a/src/Symfony/Component/Translation/Tests/Loader/PhpFileLoaderTest.php b/src/Symfony/Component/Translation/Tests/Loader/PhpFileLoaderTest.php
index e90aa99539..279c92e090 100644
--- a/src/Symfony/Component/Translation/Tests/Loader/PhpFileLoaderTest.php
+++ b/src/Symfony/Component/Translation/Tests/Loader/PhpFileLoaderTest.php
@@ -34,6 +34,16 @@ class PhpFileLoaderTest extends \PHPUnit_Framework_TestCase
         $this->assertEquals(array(new FileResource($resource)), $catalogue->getResources());
     }
 
+    /**
+     * @expectedException \InvalidArgumentException
+     */
+    public function testLoadNonExistingResource()
+    {
+        $loader = new PhpFileLoader();
+        $resource = __DIR__.'/../fixtures/non-existing.php';
+        $loader->load($resource, 'en', 'domain1');
+    }
+
     /**
      * @expectedException \InvalidArgumentException
      */
diff --git a/src/Symfony/Component/Translation/Tests/Loader/PoFileLoaderTest.php b/src/Symfony/Component/Translation/Tests/Loader/PoFileLoaderTest.php
index 39039120d2..3f643266ab 100644
--- a/src/Symfony/Component/Translation/Tests/Loader/PoFileLoaderTest.php
+++ b/src/Symfony/Component/Translation/Tests/Loader/PoFileLoaderTest.php
@@ -56,6 +56,16 @@ class PoFileLoaderTest extends \PHPUnit_Framework_TestCase
         $this->assertEquals(array(new FileResource($resource)), $catalogue->getResources());
     }
 
+    /**
+     * @expectedException \InvalidArgumentException
+     */
+    public function testLoadNonExistingResource()
+    {
+        $loader = new PoFileLoader();
+        $resource = __DIR__.'/../fixtures/non-existing.po';
+        $loader->load($resource, 'en', 'domain1');
+    }
+
     public function testLoadEmptyTranslation()
     {
         $loader = new PoFileLoader();
diff --git a/src/Symfony/Component/Translation/Tests/Loader/QtTranslationsLoaderTest.php b/src/Symfony/Component/Translation/Tests/Loader/QtTranslationsLoaderTest.php
index 16c2f78f6f..b58c6ff193 100644
--- a/src/Symfony/Component/Translation/Tests/Loader/QtTranslationsLoaderTest.php
+++ b/src/Symfony/Component/Translation/Tests/Loader/QtTranslationsLoaderTest.php
@@ -33,4 +33,14 @@ class QtTranslationsLoaderTest extends \PHPUnit_Framework_TestCase
         $this->assertEquals('en', $catalogue->getLocale());
         $this->assertEquals(array(new FileResource($resource)), $catalogue->getResources());
     }
+
+    /**
+     * @expectedException \RuntimeException
+     */
+    public function testLoadNonExistingResource()
+    {
+        $loader = new QtTranslationsLoader();
+        $resource = __DIR__.'/../fixtures/non-existing.ts';
+        $loader->load($resource, 'en', 'domain1');
+    }
 }
diff --git a/src/Symfony/Component/Translation/Tests/Loader/XliffFileLoaderTest.php b/src/Symfony/Component/Translation/Tests/Loader/XliffFileLoaderTest.php
index 748c13483f..7e80142da9 100644
--- a/src/Symfony/Component/Translation/Tests/Loader/XliffFileLoaderTest.php
+++ b/src/Symfony/Component/Translation/Tests/Loader/XliffFileLoaderTest.php
@@ -48,7 +48,7 @@ class XliffFileLoaderTest extends \PHPUnit_Framework_TestCase
     public function testLoadInvalidResource()
     {
         $loader = new XliffFileLoader();
-        $catalogue = $loader->load(__DIR__.'/../fixtures/resources.php', 'en', 'domain1');
+        $loader->load(__DIR__.'/../fixtures/resources.php', 'en', 'domain1');
     }
 
     /**
@@ -57,7 +57,17 @@ class XliffFileLoaderTest extends \PHPUnit_Framework_TestCase
     public function testLoadResourceDoesNotValidate()
     {
         $loader = new XliffFileLoader();
-        $catalogue = $loader->load(__DIR__.'/../fixtures/non-valid.xlf', 'en', 'domain1');
+        $loader->load(__DIR__.'/../fixtures/non-valid.xlf', 'en', 'domain1');
+    }
+
+    /**
+     * @expectedException \InvalidArgumentException
+     */
+    public function testLoadNonExistingResource()
+    {
+        $loader = new XliffFileLoader();
+        $resource = __DIR__.'/../fixtures/non-existing.xlf';
+        $loader->load($resource, 'en', 'domain1');
     }
 
     /**
diff --git a/src/Symfony/Component/Translation/Tests/Loader/YamlFileLoaderTest.php b/src/Symfony/Component/Translation/Tests/Loader/YamlFileLoaderTest.php
index d954dd3f5e..c73fe645b4 100644
--- a/src/Symfony/Component/Translation/Tests/Loader/YamlFileLoaderTest.php
+++ b/src/Symfony/Component/Translation/Tests/Loader/YamlFileLoaderTest.php
@@ -49,6 +49,16 @@ class YamlFileLoaderTest extends \PHPUnit_Framework_TestCase
         $this->assertEquals(array(new FileResource($resource)), $catalogue->getResources());
     }
 
+    /**
+     * @expectedException \InvalidArgumentException
+     */
+    public function testLoadNonExistingResource()
+    {
+        $loader = new YamlFileLoader();
+        $resource = __DIR__.'/../fixtures/non-existing.yml';
+        $loader->load($resource, 'en', 'domain1');
+    }
+
     /**
      * @expectedException \InvalidArgumentException
      */