1 // RUN: %clang_cc1 -fsyntax-only -verify -Wno-objc-root-class %s 2 3 @interface A 4 - (void) setMoo: (int) x; // expected-note {{previous definition is here}} 5 - (int) setMoo1: (int) x; // expected-note {{previous definition is here}} 6 - (int) setOk : (int) x : (double) d; 7 @end 8 9 @implementation A 10 -(void) setMoo: (float) x {} // expected-warning {{conflicting parameter types in implementation of 'setMoo:': 'int' vs 'float'}} 11 - (char) setMoo1: (int) x { return 0; } // expected-warning {{conflicting return type in implementation of 'setMoo1:': 'int' vs 'char'}} 12 - (int) setOk : (int) x : (double) d { return 0; } 13 @end 14 15 16 17 @interface C 18 + (void) cMoo: (int) x; // expected-note 2 {{previous definition is here}} 19 @end 20 21 @implementation C 22 +(float) cMoo: // expected-warning {{conflicting return type in implementation of 'cMoo:': 'void' vs 'float'}} 23 (float) x { return 0; } // expected-warning {{conflicting parameter types in implementation of 'cMoo:': 'int' vs 'float'}} 24 @end 25 26 27 @interface A(CAT) 28 - (void) setCat: (int) x; // expected-note 2 {{previous definition is here}} 29 + (void) cCat: (int) x; // expected-note {{previous definition is here}} 30 @end 31 32 @implementation A(CAT) 33 -(float) setCat: // expected-warning {{conflicting return type in implementation of 'setCat:': 'void' vs 'float'}} 34 (float) x { return 0; } // expected-warning {{conflicting parameter types in implementation of 'setCat:': 'int' vs 'float'}} 35 + (int) cCat: (int) x { return 0; } // expected-warning {{conflicting return type in implementation of 'cCat:': 'void' vs 'int'}} 36 @end 37 38 // rdar://12519216 39 // test that when implementation implements method in a category, types match. 40 @interface testObject {} 41 @end 42 43 @interface testObject(Category) 44 - (float)returnCGFloat; // expected-note {{previous definition is here}} 45 @end 46 47 @implementation testObject 48 - (double)returnCGFloat { // expected-warning {{conflicting return type in implementation of 'returnCGFloat': 'float' vs 'double'}} 49 return 0.0; 50 } 51 @end 52