public function testGetNames()
 {
     $container = $this->getMock('Symfony\\Component\\DependencyInjection\\ContainerInterface');
     $filter = $this->getMock('Assetic\\Filter\\FilterInterface');
     $fm = new FilterManager($container, array('foo' => 'assetic.filter.bar'));
     $fm->set('bar', $filter);
     $this->assertEquals(array('foo', 'bar'), $fm->getNames(), '->getNames() returns all lazy and normal filter names');
 }