Subversion Repositories openrisc

/* { dg-do run } */

/* { dg-xfail-run-if "Needs OBJC2 ABI" { *-*-darwin* && { lp64 && { ! objc2 } } } { "-fnext-runtime" } { "" } } */

#include <stdlib.h>

#include "../objc-obj-c++-shared/TestsuiteObject.m"

typedef struct MyWidget {

  int a;

} MyWidget;

MyWidget gWidget = { 17 };

@protocol MyProto

- (MyWidget *)widget;

@end

@interface Foo: TestsuiteObject

@end

@interface Bar: Foo <MyProto>

@end

@interface Container: TestsuiteObject

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

@end

@implementation Foo

@end

@implementation Bar

- (MyWidget *)widget {

  return &gWidget;

}

@end

@implementation Container

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

{

  MyWidget *widget = (MyWidget *) nil;

  if (class_conformsToProtocol (object_getClass (view),

                                @protocol(MyProto))) {

    widget = [(Foo <MyProto> *)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;

}