1 // RUN: %clang_cc1 -Wstrict-selector-match -fsyntax-only -verify %s 2 3 @interface Foo 4 -(int) method; // expected-note {{using}} 5 @end 6 7 @interface Bar 8 -(float) method; // expected-note {{also found}} 9 @end 10 11 int main() { [(id)0 method]; } // expected-warning {{multiple methods named 'method' found}} 12 13 @interface Object @end 14 15 @interface Class1 16 - (void)setWindow:(Object *)wdw; // expected-note {{using}} 17 @end 18 19 @interface Class2 20 - (void)setWindow:(Class1 *)window; // expected-note {{also found}} 21 @end 22 23 id foo(void) { 24 Object *obj = 0; 25 id obj2 = obj; 26 [obj setWindow:0]; // expected-warning {{Object' may not respond to 'setWindow:'}} 27 [obj2 setWindow:0]; // expected-warning {{multiple methods named 'setWindow:' found}} 28 return obj; 29 } 30 31 @protocol MyObject 32 - (id)initWithData:(Object *)data; // expected-note {{using}} \ 33 // expected-note {{passing argument to parameter 'data' here}} 34 @end 35 36 @protocol SomeOther 37 - (id)initWithData:(int)data; // expected-note {{also found}} 38 @end 39 40 @protocol MyCoding 41 - (id)initWithData:(id<MyObject, MyCoding>)data; // expected-note {{also found}} 42 @end 43 44 @interface NTGridDataObject: Object <MyCoding> 45 { 46 Object<MyCoding> *_data; 47 } 48 + (NTGridDataObject*)dataObject:(id<MyObject, MyCoding>)data; 49 @end 50 51 @implementation NTGridDataObject 52 - (id)initWithData:(id<MyObject, MyCoding>)data { 53 return data; 54 } 55 + (NTGridDataObject*)dataObject:(id<MyObject, MyCoding>)data 56 { 57 NTGridDataObject *result = [(id)0 initWithData:data]; // expected-warning {{multiple methods named 'initWithData:' found}} \ 58 expected-warning {{sending 'id<MyObject,MyCoding>' to parameter of incompatible type 'Object *'}} 59 return result; 60 } 61 @end 62 63 @interface Base 64 - (unsigned)port; 65 @end 66 67 @interface Derived: Base 68 - (Object *)port; 69 + (Protocol *)port; 70 @end 71 72 void foo1(void) { 73 [(Class)0 port]; // OK - gcc issues warning but there is only one Class method so no ambiguity to warn 74 } 75 76
