--- /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\Loader;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\Config\FileLocator;
+use Symfony\Component\Config\Loader\LoaderResolver;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Loader\ClosureLoader;
+use Symfony\Component\DependencyInjection\Loader\IniFileLoader;
+use Symfony\Component\DependencyInjection\Loader\PhpFileLoader;
+use Symfony\Component\DependencyInjection\Loader\XmlFileLoader;
+use Symfony\Component\DependencyInjection\Loader\YamlFileLoader;
+
+class LoaderResolverTest extends TestCase
+{
+ private static $fixturesPath;
+
+ /** @var LoaderResolver */
+ private $resolver;
+
+ protected function setUp()
+ {
+ self::$fixturesPath = realpath(__DIR__.'/../Fixtures/');
+
+ $container = new ContainerBuilder();
+ $this->resolver = new LoaderResolver(array(
+ new XmlFileLoader($container, new FileLocator(self::$fixturesPath.'/xml')),
+ new YamlFileLoader($container, new FileLocator(self::$fixturesPath.'/yaml')),
+ new IniFileLoader($container, new FileLocator(self::$fixturesPath.'/ini')),
+ new PhpFileLoader($container, new FileLocator(self::$fixturesPath.'/php')),
+ new ClosureLoader($container),
+ ));
+ }
+
+ public function provideResourcesToLoad()
+ {
+ return array(
+ array('ini_with_wrong_ext.xml', 'ini', IniFileLoader::class),
+ array('xml_with_wrong_ext.php', 'xml', XmlFileLoader::class),
+ array('php_with_wrong_ext.yml', 'php', PhpFileLoader::class),
+ array('yaml_with_wrong_ext.ini', 'yaml', YamlFileLoader::class),
+ );
+ }
+
+ /**
+ * @dataProvider provideResourcesToLoad
+ */
+ public function testResolvesForcedType($resource, $type, $expectedClass)
+ {
+ $this->assertInstanceOf($expectedClass, $this->resolver->resolve($resource, $type));
+ }
+}