test/SemaObjC/warn-strict-selector-match.m

   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