--- /dev/null
+<?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 PHPUnit\Framework\TestCase;
+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 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);
+
+ $this->addToAssertionCount(1);
+ }
+
+ 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);
+ }
+}