Update to drupal 8.0.0-rc1. For more information, see https://www.drupal.org/node/2582663

vendor/symfony/dependency-injection/Tests/Compiler/RemoveUnusedDefinitionsPassTest.php

@@ -0,0 +1,113 @@
+<?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\Compiler;
+
+use Symfony\Component\DependencyInjection\Compiler\AnalyzeServiceReferencesPass;
+use Symfony\Component\DependencyInjection\Compiler\RepeatedPass;
+use Symfony\Component\DependencyInjection\Compiler\RemoveUnusedDefinitionsPass;
+use Symfony\Component\DependencyInjection\Definition;
+use Symfony\Component\DependencyInjection\Reference;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+
+class RemoveUnusedDefinitionsPassTest extends \PHPUnit_Framework_TestCase
+{
+    public function testProcess()
+    {
+        $container = new ContainerBuilder();
+        $container
+            ->register('foo')
+            ->setPublic(false)
+        ;
+        $container
+            ->register('bar')
+            ->setPublic(false)
+        ;
+        $container
+            ->register('moo')
+            ->setArguments(array(new Reference('bar')))
+        ;
+
+        $this->process($container);
+
+        $this->assertFalse($container->hasDefinition('foo'));
+        $this->assertTrue($container->hasDefinition('bar'));
+        $this->assertTrue($container->hasDefinition('moo'));
+    }
+
+    public function testProcessRemovesUnusedDefinitionsRecursively()
+    {
+        $container = new ContainerBuilder();
+        $container
+            ->register('foo')
+            ->setPublic(false)
+        ;
+        $container
+            ->register('bar')
+            ->setArguments(array(new Reference('foo')))
+            ->setPublic(false)
+        ;
+
+        $this->process($container);
+
+        $this->assertFalse($container->hasDefinition('foo'));
+        $this->assertFalse($container->hasDefinition('bar'));
+    }
+
+    public function testProcessWorksWithInlinedDefinitions()
+    {
+        $container = new ContainerBuilder();
+        $container
+            ->register('foo')
+            ->setPublic(false)
+        ;
+        $container
+            ->register('bar')
+            ->setArguments(array(new Definition(null, array(new Reference('foo')))))
+        ;
+
+        $this->process($container);
+
+        $this->assertTrue($container->hasDefinition('foo'));
+        $this->assertTrue($container->hasDefinition('bar'));
+    }
+
+    public function testProcessWontRemovePrivateFactory()
+    {
+        $container = new ContainerBuilder();
+
+        $container
+            ->register('foo', 'stdClass')
+            ->setFactory(array('stdClass', 'getInstance'))
+            ->setPublic(false);
+
+        $container
+            ->register('bar', 'stdClass')
+            ->setFactory(array(new Reference('foo'), 'getInstance'))
+            ->setPublic(false);
+
+        $container
+            ->register('foobar')
+            ->addArgument(new Reference('bar'));
+
+        $this->process($container);
+
+        $this->assertTrue($container->hasDefinition('foo'));
+        $this->assertTrue($container->hasDefinition('bar'));
+        $this->assertTrue($container->hasDefinition('foobar'));
+    }
+
+    protected function process(ContainerBuilder $container)
+    {
+        $repeatedPass = new RepeatedPass(array(new AnalyzeServiceReferencesPass(), new RemoveUnusedDefinitionsPass()));
+        $repeatedPass->process($container);
+    }
+}