| /* Contributed by Nicola Pero <nicola.pero@meta-innovation.com>, December 2010. */ |
| /* { dg-do compile } */ |
| /* { dg-additional-options "-Wno-objc-root-class" } */ |
| |
| /* Test that you get a warning when an unknown protocol attribute is ignored. */ |
| |
| #include <objc/objc.h> |
| |
| __attribute__ ((unknown_attribute)) |
| @protocol MyProtocol |
| - (id) new; /* { dg-warning "ignored" } */ |
| @end |
| |
| __attribute__ ((unknown_attribute)) |
| @protocol MyProtocol2; /* { dg-warning "ignored" } */ |
| |
| /* Use the protocols to double-check that no more warnings are |
| generated. */ |
| |
| @interface MyClass <MyProtocol> |
| @end |
| |
| int test (id <MyProtocol2> x) |
| { |
| if (@protocol (MyProtocol) == @protocol (MyProtocol2)) |
| return 1; |
| |
| if (x) |
| return 2; |
| |
| return 3; |
| } |
