public function testBindingInDefaultImplementation()
 {
     $classname = jClasses::bind('iface:jelix_tests~tests/foo')->getClassName();
     $this->assertEqual($classname, 'bind');
     jClasses::resetBindings();
     $class = jClasses::getBindedService('iface:jelix_tests~tests/foo');
     $this->assertTrue($class instanceof bind);
     jClasses::resetBindings();
     try {
         $class = jClasses::getBindedService('class:jelix_tests~test/bind');
         $this->fail('A non existing default implementation should raise an exception');
     } catch (jExceptionSelector $e) {
         $this->pass();
     }
 }