clang/test/SemaObjC/class-conforming-protocol-2.m

   1 // RUN: %clang_cc1 -Wmethod-signatures -fsyntax-only -verify %s
   2
   3 @protocol NSWindowDelegate @end
   4
   5 @protocol IBStringsTableWindowDelegate <NSWindowDelegate>
   6 @end
   7
   8 @interface NSWindow
   9 - (void)setDelegate:(id <NSWindowDelegate>)anObject; // expected-note {{previous definition is here}}
  10 - (id <IBStringsTableWindowDelegate>) delegate; // expected-note {{previous definition is here}}
  11 @end
  12
  13
  14 @interface IBStringsTableWindow : NSWindow {}
  15 @end
  16
  17 @implementation IBStringsTableWindow
  18 - (void)setDelegate:(id <IBStringsTableWindowDelegate>)delegate { // expected-warning {{conflicting parameter types in implementation of 'setDelegate:'}}
  19 }
  20 - (id <NSWindowDelegate>)delegate { // expected-warning {{conflicting return type in implementation of 'delegate':}}
  21         return 0;
  22 }
  23 @end