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 11int 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 23id 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 72void 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