1 // RUN: %clang_cc1 -fsyntax-only -verify %s 2 typedef _Bool BOOL; 3 4 @interface NSNumber @end 5 6 @interface NSNumber (NSNumberCreation) 7 + (NSNumber *)numberWithChar:(char)value; 8 + (NSNumber *)numberWithUnsignedChar:(unsigned char)value; 9 + (NSNumber *)numberWithShort:(short)value; 10 + (NSNumber *)numberWithUnsignedShort:(unsigned short)value; 11 + (NSNumber *)numberWithInt:(int)value; 12 + (NSNumber *)numberWithUnsignedInt:(unsigned int)value; 13 + (NSNumber *)numberWithLong:(long)value; 14 + (NSNumber *)numberWithUnsignedLong:(unsigned long)value; 15 + (NSNumber *)numberWithLongLong:(long long)value; 16 + (NSNumber *)numberWithUnsignedLongLong:(unsigned long long)value; 17 + (NSNumber *)numberWithFloat:(float)value; 18 + (NSNumber *)numberWithDouble:(double)value; 19 + (int)numberWithBool:(BOOL)value; // expected-note 2 {{method returns unexpected type 'int' (should be an object type)}} 20 @end 21 22 @interface NSString 23 + (char)stringWithUTF8String:(const char *)value; // expected-note 2 {{method returns unexpected type 'char' (should be an object type)}} 24 @end 25 26 @interface NSArray 27 @end 28 29 @interface NSArray (NSArrayCreation) 30 + (id)arrayWithObjects:(const int [])objects // expected-note 2 {{first parameter has unexpected type 'const int *' (should be 'const id *')}} 31 count:(unsigned long)cnt; 32 @end 33 34 @interface NSDictionary 35 + (id)dictionaryWithObjects:(const id [])objects 36 forKeys:(const int [])keys // expected-note 2 {{second parameter has unexpected type 'const int *' (should be 'const id *')}} 37 count:(unsigned long)cnt; 38 @end 39 40 // All tests are doubled to make sure that a bad method is not saved 41 // and then used un-checked. 42 void test_sig() { 43 (void)@__objc_yes; // expected-error{{literal construction method 'numberWithBool:' has incompatible signature}} 44 (void)@__objc_yes; // expected-error{{literal construction method 'numberWithBool:' has incompatible signature}} 45 id array = @[ @17 ]; // expected-error{{literal construction method 'arrayWithObjects:count:' has incompatible signature}} 46 id array2 = @[ @17 ]; // expected-error{{literal construction method 'arrayWithObjects:count:' has incompatible signature}} 47 id dict = @{ @"hello" : @17 }; // expected-error{{literal construction method 'dictionaryWithObjects:forKeys:count:' has incompatible signature}} 48 id dict2 = @{ @"hello" : @17 }; // expected-error{{literal construction method 'dictionaryWithObjects:forKeys:count:' has incompatible signature}} 49 id str = @("hello"); // expected-error{{literal construction method 'stringWithUTF8String:' has incompatible signature}} 50 id str2 = @("hello"); // expected-error{{literal construction method 'stringWithUTF8String:' has incompatible signature}} 51 } 52