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

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

@@ -0,0 +1,130 @@
+<?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\Reference;
+use Symfony\Component\DependencyInjection\Compiler\CheckCircularReferencesPass;
+use Symfony\Component\DependencyInjection\Compiler\AnalyzeServiceReferencesPass;
+use Symfony\Component\DependencyInjection\Compiler\Compiler;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+
+class CheckCircularReferencesPassTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * @expectedException \Symfony\Component\DependencyInjection\Exception\ServiceCircularReferenceException
+     */
+    public function testProcess()
+    {
+        $container = new ContainerBuilder();
+        $container->register('a')->addArgument(new Reference('b'));
+        $container->register('b')->addArgument(new Reference('a'));
+
+        $this->process($container);
+    }
+
+    /**
+     * @expectedException \Symfony\Component\DependencyInjection\Exception\ServiceCircularReferenceException
+     */
+    public function testProcessWithAliases()
+    {
+        $container = new ContainerBuilder();
+        $container->register('a')->addArgument(new Reference('b'));
+        $container->setAlias('b', 'c');
+        $container->setAlias('c', 'a');
+
+        $this->process($container);
+    }
+
+    /**
+     * @expectedException \Symfony\Component\DependencyInjection\Exception\ServiceCircularReferenceException
+     */
+    public function testProcessWithFactory()
+    {
+        $container = new ContainerBuilder();
+
+        $container
+            ->register('a', 'stdClass')
+            ->setFactory(array(new Reference('b'), 'getInstance'));
+
+        $container
+            ->register('b', 'stdClass')
+            ->setFactory(array(new Reference('a'), 'getInstance'));
+
+        $this->process($container);
+    }
+
+    /**
+     * @expectedException \Symfony\Component\DependencyInjection\Exception\ServiceCircularReferenceException
+     */
+    public function testProcessDetectsIndirectCircularReference()
+    {
+        $container = new ContainerBuilder();
+        $container->register('a')->addArgument(new Reference('b'));
+        $container->register('b')->addArgument(new Reference('c'));
+        $container->register('c')->addArgument(new Reference('a'));
+
+        $this->process($container);
+    }
+
+    /**
+     * @expectedException \Symfony\Component\DependencyInjection\Exception\ServiceCircularReferenceException
+     */
+    public function testProcessDetectsIndirectCircularReferenceWithFactory()
+    {
+        $container = new ContainerBuilder();
+
+        $container->register('a')->addArgument(new Reference('b'));
+
+        $container
+            ->register('b', 'stdClass')
+            ->setFactory(array(new Reference('c'), 'getInstance'));
+
+        $container->register('c')->addArgument(new Reference('a'));
+
+        $this->process($container);
+    }
+
+    /**
+     * @expectedException \Symfony\Component\DependencyInjection\Exception\ServiceCircularReferenceException
+     */
+    public function testDeepCircularReference()
+    {
+        $container = new ContainerBuilder();
+        $container->register('a')->addArgument(new Reference('b'));
+        $container->register('b')->addArgument(new Reference('c'));
+        $container->register('c')->addArgument(new Reference('b'));
+
+        $this->process($container);
+    }
+
+    public function testProcessIgnoresMethodCalls()
+    {
+        $container = new ContainerBuilder();
+        $container->register('a')->addArgument(new Reference('b'));
+        $container->register('b')->addMethodCall('setA', array(new Reference('a')));
+
+        $this->process($container);
+    }
+
+    protected function process(ContainerBuilder $container)
+    {
+        $compiler = new Compiler();
+        $passConfig = $compiler->getPassConfig();
+        $passConfig->setOptimizationPasses(array(
+            new AnalyzeServiceReferencesPass(true),
+            new CheckCircularReferencesPass(),
+        ));
+        $passConfig->setRemovingPasses(array());
+
+        $compiler->compile($container);
+    }
+}