diff --git a/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/php/lock.php b/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/php/lock.php
new file mode 100644
index 0000000000000..116e074dfa254
--- /dev/null
+++ b/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/php/lock.php
@@ -0,0 +1,9 @@
+<?php
+
+$container->loadFromExtension('framework', [
+    'annotations' => false,
+    'http_method_override' => false,
+    'handle_all_throwables' => true,
+    'php_errors' => ['log' => true],
+    'lock' => null,
+]);
diff --git a/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/php/lock_named.php b/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/php/lock_named.php
new file mode 100644
index 0000000000000..de8a8f49561fd
--- /dev/null
+++ b/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/php/lock_named.php
@@ -0,0 +1,16 @@
+<?php
+
+$container->setParameter('env(REDIS_DSN)', 'redis://paas.com');
+
+$container->loadFromExtension('framework', [
+    'annotations' => false,
+    'http_method_override' => false,
+    'handle_all_throwables' => true,
+    'php_errors' => ['log' => true],
+    'lock' => [
+        'foo' => 'semaphore',
+        'bar' => 'flock',
+        'baz' => ['semaphore', 'flock'],
+        'qux' => '%env(REDIS_DSN)%',
+    ],
+]);
diff --git a/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/php/semaphore.php b/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/php/semaphore.php
new file mode 100644
index 0000000000000..c2a1e3b6e07ac
--- /dev/null
+++ b/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/php/semaphore.php
@@ -0,0 +1,9 @@
+<?php
+
+$container->loadFromExtension('framework', [
+    'annotations' => false,
+    'http_method_override' => false,
+    'handle_all_throwables' => true,
+    'php_errors' => ['log' => true],
+    'semaphore' => 'redis://localhost',
+]);
diff --git a/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/php/semaphore_named.php b/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/php/semaphore_named.php
new file mode 100644
index 0000000000000..c42b559830b35
--- /dev/null
+++ b/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/php/semaphore_named.php
@@ -0,0 +1,14 @@
+<?php
+
+$container->setParameter('env(REDIS_DSN)', 'redis://paas.com');
+
+$container->loadFromExtension('framework', [
+    'annotations' => false,
+    'http_method_override' => false,
+    'handle_all_throwables' => true,
+    'php_errors' => ['log' => true],
+    'semaphore' => [
+        'foo' => 'redis://paas.com',
+        'qux' => '%env(REDIS_DSN)%',
+    ],
+]);
diff --git a/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/xml/lock.xml b/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/xml/lock.xml
index 5ddb62f115a85..ab344ae0e3858 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/xml/lock.xml
+++ b/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/xml/lock.xml
@@ -8,6 +8,8 @@
     <framework:config http-method-override="false" handle-all-throwables="true">
         <framework:annotations enabled="false" />
         <framework:php-errors log="true" />
-        <framework:lock/>
+        <framework:lock>
+            <framework:resource>semaphore</framework:resource>
+        </framework:lock>
     </framework:config>
 </container>
diff --git a/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/xml/lock_named.xml b/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/xml/lock_named.xml
index 85cf3cb574e27..02659713e49bf 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/xml/lock_named.xml
+++ b/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/xml/lock_named.xml
@@ -5,7 +5,6 @@
     xsi:schemaLocation="http://symfony.com/schema/dic/services https://symfony.com/schema/dic/services/services-1.0.xsd
         http://symfony.com/schema/dic/symfony https://symfony.com/schema/dic/symfony/symfony-1.0.xsd">
 
-
     <parameters>
         <parameter key="env(REDIS_URL)">redis://paas.com</parameter>
     </parameters>
@@ -18,7 +17,7 @@
             <framework:resource name="bar">flock</framework:resource>
             <framework:resource name="baz">semaphore</framework:resource>
             <framework:resource name="baz">flock</framework:resource>
-            <framework:resource name="qux">%env(REDIS_URL)%</framework:resource>
+            <framework:resource name="qux">%env(REDIS_DSN)%</framework:resource>
         </framework:lock>
     </framework:config>
 </container>
diff --git a/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/xml/semaphore.xml b/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/xml/semaphore.xml
index 7acbe2cedd54c..dcab8032652d9 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/xml/semaphore.xml
+++ b/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/xml/semaphore.xml
@@ -8,6 +8,8 @@
     <framework:config http-method-override="false" handle-all-throwables="true">
         <framework:annotations enabled="false" />
         <framework:php-errors log="true" />
-        <framework:semaphore/>
+        <framework:semaphore>
+            <framework:resource>redis://localhost</framework:resource>
+        </framework:semaphore>
     </framework:config>
 </container>
diff --git a/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/xml/semaphore_named.xml b/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/xml/semaphore_named.xml
new file mode 100644
index 0000000000000..7e454c2fd962d
--- /dev/null
+++ b/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/xml/semaphore_named.xml
@@ -0,0 +1,16 @@
+<?xml version="1.0" ?>
+<container xmlns="http://symfony.com/schema/dic/services"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xmlns:framework="http://symfony.com/schema/dic/symfony"
+    xsi:schemaLocation="http://symfony.com/schema/dic/services https://symfony.com/schema/dic/services/services-1.0.xsd
+        http://symfony.com/schema/dic/symfony https://symfony.com/schema/dic/symfony/symfony-1.0.xsd">
+
+    <framework:config http-method-override="false" handle-all-throwables="true">
+        <framework:annotations enabled="false" />
+        <framework:php-errors log="true" />
+        <framework:semaphore>
+            <framework:resource name="foo">redis://paas.com</framework:resource>
+            <framework:resource name="qux">%env(REDIS_DSN)%</framework:resource>
+        </framework:semaphore>
+    </framework:config>
+</container>
diff --git a/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/FrameworkExtensionTestCase.php b/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/FrameworkExtensionTestCase.php
index 705ec5f3144e3..e6616a07db743 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/FrameworkExtensionTestCase.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/FrameworkExtensionTestCase.php
@@ -2396,6 +2396,62 @@ public function testAssetMapperWithoutAssets()
         $this->assertFalse($container->has('assets._default_package'));
     }
 
+    public function testDefaultLock()
+    {
+        $container = $this->createContainerFromFile('lock');
+
+        self::assertTrue($container->hasDefinition('lock.default.factory'));
+        $storeDef = $container->getDefinition($container->getDefinition('lock.default.factory')->getArgument(0));
+        self::assertEquals(new Reference('semaphore'), $storeDef->getArgument(0));
+    }
+
+    public function testNamedLocks()
+    {
+        $container = $this->createContainerFromFile('lock_named');
+
+        self::assertTrue($container->hasDefinition('lock.foo.factory'));
+        $storeDef = $container->getDefinition($container->getDefinition('lock.foo.factory')->getArgument(0));
+        self::assertEquals(new Reference('semaphore'), $storeDef->getArgument(0));
+
+        self::assertTrue($container->hasDefinition('lock.bar.factory'));
+        $storeDef = $container->getDefinition($container->getDefinition('lock.bar.factory')->getArgument(0));
+        self::assertEquals(new Reference('flock'), $storeDef->getArgument(0));
+
+        self::assertTrue($container->hasDefinition('lock.baz.factory'));
+        $storeDef = $container->getDefinition($container->getDefinition('lock.baz.factory')->getArgument(0));
+        self::assertIsArray($storeDefArg = $storeDef->getArgument(0));
+        $storeDef1 = $container->getDefinition($storeDefArg[0]);
+        $storeDef2 = $container->getDefinition($storeDefArg[1]);
+        self::assertEquals(new Reference('semaphore'), $storeDef1->getArgument(0));
+        self::assertEquals(new Reference('flock'), $storeDef2->getArgument(0));
+
+        self::assertTrue($container->hasDefinition('lock.qux.factory'));
+        $storeDef = $container->getDefinition($container->getDefinition('lock.qux.factory')->getArgument(0));
+        self::assertStringContainsString('REDIS_DSN', $storeDef->getArgument(0));
+    }
+
+    public function testDefaultSemaphore()
+    {
+        $container = $this->createContainerFromFile('semaphore');
+
+        self::assertTrue($container->hasDefinition('semaphore.default.factory'));
+        $storeDef = $container->getDefinition($container->getDefinition('semaphore.default.factory')->getArgument(0));
+        self::assertSame('redis://localhost', $storeDef->getArgument(0));
+    }
+
+    public function testNamedSemaphores()
+    {
+        $container = $this->createContainerFromFile('semaphore_named');
+
+        self::assertTrue($container->hasDefinition('semaphore.foo.factory'));
+        $storeDef = $container->getDefinition($container->getDefinition('semaphore.foo.factory')->getArgument(0));
+        self::assertSame('redis://paas.com', $storeDef->getArgument(0));
+
+        self::assertTrue($container->hasDefinition('semaphore.qux.factory'));
+        $storeDef = $container->getDefinition($container->getDefinition('semaphore.qux.factory')->getArgument(0));
+        self::assertStringContainsString('REDIS_DSN', $storeDef->getArgument(0));
+    }
+
     protected function createContainer(array $data = [])
     {
         return new ContainerBuilder(new EnvPlaceholderParameterBag(array_merge([