public function testAutoloadsNamespacedClassesWithUnderscores()
 {
     if (version_compare(PHP_VERSION, '5.3.0', '<')) {
         $this->markTestSkipped('Test only relevant for PHP >= 5.3.0');
     }
     $loader = new Zend_Loader_StandardAutoloader();
     $loader->registerNamespace('ZendTest\\UnusualNamespace', dirname(__FILE__) . '/TestAsset');
     $loader->autoload('ZendTest\\UnusualNamespace\\Name_Space\\Namespaced_Class');
     $this->assertTrue(class_exists('ZendTest\\UnusualNamespace\\Name_Space\\Namespaced_Class', false));
 }