gcc/testsuite/obj-c++.dg/comp-types-6.mm

   1 /* Test assignments and comparisons involving `one-off' protocols.  */
   2 /* Author: Nicola Pero <nicola@brainstorm.co.uk>.  */
   3 /* { dg-do compile } */
   4
   5 #include <objc/objc.h>
   6
   7 @protocol MyProtocol
   8 - (void) method;
   9 @end
  10
  11 @interface MyClass
  12 @end
  13
  14 int main()
  15 {
  16   id obj = nil;
  17   id <MyProtocol> obj_p = nil;
  18   MyClass<MyProtocol> *obj_cp = nil;
  19
  20   obj_cp = obj; /* Ok */
  21   obj = obj_cp; /* Ok */
  22
  23   obj_cp = obj_p; /* Ok */
  24   obj_p = obj_cp; /* Ok */
  25
  26   if (obj_cp == obj) ; /* Ok */
  27   if (obj == obj_cp) ; /* Ok */
  28
  29   if (obj_cp == obj_p) ; /* Ok */
  30   if (obj_p == obj_cp) ; /* Ok */
  31
  32   return 0;
  33 }