view gcc/testsuite/objc.dg/comp-types-2.m @ 158:494b0b89df80 default tip

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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900
parents 04ced10e8804
children
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/* Test simple ObjC types casts.  */
/* Author: Nicola Pero <nicola@brainstorm.co.uk>.  */
/* { dg-do compile } */
#include <objc/objc.h>

@protocol MyProtocol
- (void) foo;
@end

@interface MyClass
@end

int main()
{
  id obj = nil;
  id<MyProtocol> obj_p = nil;
  MyClass *obj_c = nil;
  Class obj_C = Nil;

  /* All these casts should generate no warnings.  */

  obj = (id)obj_p;
  obj = (id)obj_c;
  obj = (id)obj_C;
  obj_c = (MyClass *)obj;
  obj_c = (MyClass *)obj_p;
  obj_c = (MyClass *)obj_C;
  obj_p = (id<MyProtocol>)obj;
  obj_p = (id<MyProtocol>)obj_c;
  obj_p = (id<MyProtocol>)obj_C;
  obj_C = (Class)obj;
  obj_C = (Class)obj_p;
  obj_C = (Class)obj_c;
  

  return 0;
}