diff --git a/src/Symfony/Component/DependencyInjection/Tests/Loader/GlobFileLoaderTest.php b/src/Symfony/Component/DependencyInjection/Tests/Loader/GlobFileLoaderTest.php
new file mode 100644
index 0000000000..a3be4dfd3b
--- /dev/null
+++ b/src/Symfony/Component/DependencyInjection/Tests/Loader/GlobFileLoaderTest.php
@@ -0,0 +1,44 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\DependencyInjection\Tests\Loader;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\Config\Resource\GlobResource;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Loader\GlobFileLoader;
+use Symfony\Component\Config\FileLocator;
+
+class GlobFileLoaderTest extends TestCase
+{
+    public function testSupports()
+    {
+        $loader = new GlobFileLoader(new ContainerBuilder(), new FileLocator());
+
+        $this->assertTrue($loader->supports('any-path', 'glob'), '->supports() returns true if the resource has the glob type');
+        $this->assertFalse($loader->supports('any-path'), '->supports() returns false if the resource is not of glob type');
+    }
+
+    public function testLoadAddsTheGlobResourceToTheContainer()
+    {
+        $loader = new GlobFileLoaderWithoutImport($container = new ContainerBuilder(), new FileLocator());
+        $loader->load(__DIR__.'/../Fixtures/config/*');
+
+        $this->assertEquals(new GlobResource(__DIR__.'/../Fixtures/config', '/*', false), $container->getResources()[1]);
+    }
+}
+
+class GlobFileLoaderWithoutImport extends GlobFileLoader
+{
+    public function import($resource, $type = null, $ignoreErrors = false, $sourceResource = null)
+    {
+    }
+}
diff --git a/src/Symfony/Component/Routing/Tests/Loader/GlobFileLoaderTest.php b/src/Symfony/Component/Routing/Tests/Loader/GlobFileLoaderTest.php
new file mode 100644
index 0000000000..08d806a8a4
--- /dev/null
+++ b/src/Symfony/Component/Routing/Tests/Loader/GlobFileLoaderTest.php
@@ -0,0 +1,45 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Routing\Tests\Loader;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\Config\Resource\GlobResource;
+use Symfony\Component\Config\FileLocator;
+use Symfony\Component\Routing\Loader\GlobFileLoader;
+use Symfony\Component\Routing\RouteCollection;
+
+class GlobFileLoaderTest extends TestCase
+{
+    public function testSupports()
+    {
+        $loader = new GlobFileLoader(new FileLocator());
+
+        $this->assertTrue($loader->supports('any-path', 'glob'), '->supports() returns true if the resource has the glob type');
+        $this->assertFalse($loader->supports('any-path'), '->supports() returns false if the resource is not of glob type');
+    }
+
+    public function testLoadAddsTheGlobResourceToTheContainer()
+    {
+        $loader = new GlobFileLoaderWithoutImport(new FileLocator());
+        $collection = $loader->load(__DIR__.'/../Fixtures/directory/*.yml');
+
+        $this->assertEquals(new GlobResource(__DIR__.'/../Fixtures/directory', '/*.yml', false), $collection->getResources()[0]);
+    }
+}
+
+class GlobFileLoaderWithoutImport extends GlobFileLoader
+{
+    public function import($resource, $type = null, $ignoreErrors = false, $sourceResource = null)
+    {
+        return new RouteCollection();
+    }
+}