anchor.diff:          'B': new DartClassInfo('B'),
           'TestComponent': new DartClassInfo('TestComponent')
         };
  -      var component = visit(classes, '''
  +      var component = visit(
  +          classes,
  +          '''
           library a;
   
           @Component(
  
positive.code:         'A': new DartClassInfo('A'),
          'TestComponent': new DartClassInfo('TestComponent')
        };
        var component = visit(classes, '''
          library a;
  
          @Component(
  
negative.code:         'TestComponent': new DartClassInfo('TestComponent')
        };
  
        var component = visit(
            classes,
            '''
         library a;
  
         @Component(
  