public function testSupports()
 {
     $loader1 = $this->getMock('Symfony\\Component\\Config\\Loader\\LoaderInterface');
     $loader1->expects($this->once())->method('supports')->will($this->returnValue(true));
     $loader = new DelegatingLoader(new LoaderResolver(array($loader1)));
     $this->assertTrue($loader->supports('foo.xml'), '->supports() returns true if the resource is loadable');
     $loader1 = $this->getMock('Symfony\\Component\\Config\\Loader\\LoaderInterface');
     $loader1->expects($this->once())->method('supports')->will($this->returnValue(false));
     $loader = new DelegatingLoader(new LoaderResolver(array($loader1)));
     $this->assertFalse($loader->supports('foo.foo'), '->supports() returns false if the resource is not loadable');
 }