Symfony\Component\DependencyInjection\Tests\Loader\YamlFileLoaderTest::testNonArrayTagsThrowsException PHP Method

    public function testNonArrayTagsThrowsException()
    {
        $loader = new YamlFileLoader(new ContainerBuilder(), new FileLocator(self::$fixturesPath.'/yaml'));
        try {
            $loader->load('badtag1.yml');
            $this->fail('->load() should throw an exception when the tags key of a service is not an array');
        } catch (\Exception $e) {
            $this->assertInstanceOf('Symfony\Component\DependencyInjection\Exception\InvalidArgumentException', $e, '->load() throws an InvalidArgumentException if the tags key is not an array');
            $this->assertStringStartsWith('Parameter "tags" must be an array for service', $e->getMessage(), '->load() throws an InvalidArgumentException if the tags key is not an array');
        }
    }