Subversion Repositories scarts

/* { dg-do run } */

#include 

#include 

class MyWidget {

 public:

  int a;

  MyWidget(void) { a = 17; }

};

MyWidget gWidget;

@protocol MyProto

- (MyWidget *)widget;

@end

@interface Foo: Object

@end

@interface Bar: Foo 

@end

@interface Container: Object

+ (MyWidget *)elementForView:(Foo *)view;

@end

@implementation Foo

@end

@implementation Bar

- (MyWidget *)widget {

  return &gWidget;

}

@end

@implementation Container

+ (MyWidget *)elementForView:(Foo *)view

{

    MyWidget *widget = nil;

    if ([view conformsTo:@protocol(MyProto)]) {

        widget = [(Foo  *)view widget];

    }

    return widget;

}

@end

int main(void) {

  id view = [Bar new];

  MyWidget *w = [Container elementForView: view];

  if (!w || w->a != 17)

    abort ();

  return 0;

}