gcc/testsuite/objc.dg/proto-init-mimatch-1.m

   1 /* Test to warn on protocol mismatch in a variety of initializations. */
   2
   3 /* { dg-do compile } */
   4
   5 typedef struct objc_class *Class;
   6
   7 typedef struct objc_object {
   8         Class isa;
   9 } *id;
  10
  11 @protocol NSObject
  12 @end
  13
  14 @interface NSObject <NSObject>
  15 @end
  16
  17 @protocol NSCopying
  18 - (void)copyWithZone;
  19 @end
  20
  21 @interface Foo:NSObject <NSCopying>
  22 @end
  23
  24
  25 extern id <NSObject> NSCopyObject();
  26
  27 @implementation Foo
  28 - (void)copyWithZone {
  29     Foo *copy = NSCopyObject(); /* { dg-warning "type \\'id <NSObject>\\' does not conform to the \\'NSCopying\\' protocol" } */
  30
  31     Foo<NSObject,NSCopying> *g = NSCopyObject(); /* { dg-warning "type \\'id <NSObject>\\' does not conform to the \\'NSCopying\\' protocol" } */
  32
  33     id<NSObject,NSCopying> h = NSCopyObject(); /* { dg-warning "type \\'id <NSObject>\\' does not conform to the \\'NSCopying\\' protocol" } */
  34 }
  35 @end