Home | History | Annotate | Download | only in SemaObjC
      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 2 {{using}}
     17 @end
     18 
     19 @interface Class2
     20 - (void)setWindow:(Class1 *)window;	// expected-note 2 {{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 			// expected-warning {{multiple methods named 'setWindow:' found}}
     28   [obj2 setWindow:0]; // expected-warning {{multiple methods named 'setWindow:' found}}
     29   return obj;
     30 }
     31 
     32 @protocol MyObject
     33 - (id)initWithData:(Object *)data;	// expected-note {{also found}} 
     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 {{using}}
     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     return result;
     59 }
     60 @end
     61 
     62 @interface Base
     63 - (unsigned)port;
     64 @end
     65 
     66 @interface Derived: Base
     67 - (Object *)port;
     68 + (Protocol *)port;
     69 @end
     70 
     71 void foo1(void) {
     72   [(Class)0 port]; // OK - gcc issues warning but there is only one Class method so no ambiguity to warn
     73 }
     74 
     75 // rdar://19265430
     76 @interface NSObject 
     77 - (id)class;
     78 - (id) alloc;
     79 @end
     80 
     81 @class NSString;
     82 
     83 @interface A : NSObject
     84 - (instancetype)initWithType:(NSString *)whatever; // expected-note {{also found}}
     85 @end
     86 
     87 @interface Test : NSObject
     88 @end
     89 
     90 @implementation Test
     91 + (instancetype)foo
     92 {
     93     return [[[self class] alloc] initWithType:3]; // expected-warning {{multiple methods named 'initWithType:'}}
     94 }
     95 
     96 - (instancetype)initWithType:(unsigned int)whatever // expected-note {{using}}
     97 {
     98     return 0;
     99 }
    100 @end
    101