CustomDefinition example

$builder = new ContainerBuilder();
        $builder->setDefinition('grandpa', new Definition('stdClass'));
        $builder->setDefinition('parent', new ChildDefinition('grandpa'));
        $builder->setDefinition('foo', new ChildDefinition('parent'));

        $builder->get('foo');
    }

    public function testResolveServicesWithCustomDefinitionClass()
    {
        $builder = new ContainerBuilder();
        $builder->setDefinition('foo', new CustomDefinition('stdClass'));

        $this->assertInstanceOf(\stdClass::class, $builder->get('foo'));
    }

    public function testMerge()
    {
        $container = new ContainerBuilder(new ParameterBag(['bar' => 'foo']));
        $container->setResourceTracking(false);
        $config = new ContainerBuilder(new ParameterBag(['foo' => 'bar']));
        $container->merge($config);
        $this->assertEquals(['bar' => 'foo', 'foo' => 'bar'], $container->getParameterBag()->all(), '->merge() merges current parameters with the loaded ones');

        

        return $container->services['late_alias'] = new \Symfony\Component\DependencyInjection\Tests\Fixtures\TestDefinition1();
    }

    /** * Gets the private 'Symfony\Component\DependencyInjection\Tests\Fixtures\CustomDefinition' shared service. * * @return \Symfony\Component\DependencyInjection\Tests\Fixtures\CustomDefinition */
    protected static function getCustomDefinitionService($container)
    {
        return $container->privates['Symfony\\Component\\DependencyInjection\\Tests\\Fixtures\\CustomDefinition'] = new \Symfony\Component\DependencyInjection\Tests\Fixtures\CustomDefinition();
    }
}