51 lines
2.6 KiB
Objective-C
51 lines
2.6 KiB
Objective-C
// RUN: %clang_cc1 -fsyntax-only -verify %s
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typedef _Bool BOOL;
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@interface NSNumber @end
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@interface NSNumber (NSNumberCreation)
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+ (NSNumber *)numberWithChar:(char)value;
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+ (NSNumber *)numberWithUnsignedChar:(unsigned char)value;
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+ (NSNumber *)numberWithShort:(short)value;
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+ (NSNumber *)numberWithUnsignedShort:(unsigned short)value;
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+ (NSNumber *)numberWithInt:(int)value;
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+ (NSNumber *)numberWithUnsignedInt:(unsigned int)value;
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+ (NSNumber *)numberWithLong:(long)value;
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+ (NSNumber *)numberWithUnsignedLong:(unsigned long)value;
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+ (NSNumber *)numberWithLongLong:(long long)value;
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+ (NSNumber *)numberWithUnsignedLongLong:(unsigned long long)value;
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+ (NSNumber *)numberWithFloat:(float)value;
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+ (NSNumber *)numberWithDouble:(double)value;
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+ (int)numberWithBool:(BOOL)value; // expected-note 2 {{method returns unexpected type 'int' (should be an object type)}}
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@end
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@interface NSString
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+ (char)stringWithUTF8String:(const char *)value; // expected-note 2 {{method returns unexpected type 'char' (should be an object type)}}
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@end
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@interface NSArray
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@end
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@interface NSArray (NSArrayCreation)
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+ (id)arrayWithObjects:(const int [])objects // expected-note 2 {{first parameter has unexpected type 'const int *' (should be 'const id *')}}
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count:(unsigned long)cnt;
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@end
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@interface NSDictionary
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+ (id)dictionaryWithObjects:(const id [])objects
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forKeys:(const int [])keys // expected-note 2 {{second parameter has unexpected type 'const int *' (should be 'const id *')}}
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count:(unsigned long)cnt;
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@end
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// All tests are doubled to make sure that a bad method is not saved
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// and then used un-checked.
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void test_sig() {
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(void)@__objc_yes; // expected-error{{literal construction method 'numberWithBool:' has incompatible signature}}
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(void)@__objc_yes; // expected-error{{literal construction method 'numberWithBool:' has incompatible signature}}
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id array = @[ @17 ]; // expected-error{{literal construction method 'arrayWithObjects:count:' has incompatible signature}}
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id array2 = @[ @17 ]; // expected-error{{literal construction method 'arrayWithObjects:count:' has incompatible signature}}
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id dict = @{ @"hello" : @17 }; // expected-error{{literal construction method 'dictionaryWithObjects:forKeys:count:' has incompatible signature}}
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id dict2 = @{ @"hello" : @17 }; // expected-error{{literal construction method 'dictionaryWithObjects:forKeys:count:' has incompatible signature}}
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id str = @("hello"); // expected-error{{literal construction method 'stringWithUTF8String:' has incompatible signature}}
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id str2 = @("hello"); // expected-error{{literal construction method 'stringWithUTF8String:' has incompatible signature}}
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}
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