test/SemaObjC/comptypes-a.m

   1 // RUN: %clang_cc1 -fsyntax-only -Wmethod-signatures -verify -pedantic %s
   2 typedef signed char BOOL;
   3 typedef int NSInteger;
   4
   5 @class NSString;
   6
   7 @protocol PBXCompletionItem
   8 - (NSString *) name;
   9 - (NSInteger)priority;
  10 @end
  11
  12 extern NSInteger codeAssistantCaseCompareItems(id a, id b, void *context);
  13
  14 NSInteger codeAssistantCaseCompareItems(id<PBXCompletionItem> a, id<PBXCompletionItem> b, void *context)
  15 {
  16   return 0;
  17 }
  18
  19 @interface TedWantsToVerifyObjCDoesTheRightThing
  20
  21 - compareThis:(int)a withThat:(id)b;  // expected-note {{previous definition is here}} \
  22                                       // expected-note {{previous definition is here}}
  23
  24 @end
  25
  26 @implementation TedWantsToVerifyObjCDoesTheRightThing
  27
  28 - compareThis:(id<PBXCompletionItem>)
  29     a // expected-warning {{conflicting parameter types in implementation of 'compareThis:withThat:': 'int' vs 'id<PBXCompletionItem>'}}
  30      withThat:(id<PBXCompletionItem>)b { // expected-warning {{conflicting parameter types in implementation of 'compareThis:withThat:': 'id' vs 'id<PBXCompletionItem>'}}
  31   return self;
  32 }
  33
  34 @end