llvm-project/clang-tools-extra/test/clang-tidy/checkers/objc-missing-hash.m

69 lines
979 B
Objective-C

// RUN: %check_clang_tidy %s objc-missing-hash %t
typedef _Bool BOOL;
#define YES 1
#define NO 0
typedef unsigned int NSUInteger;
typedef void *id;
@interface NSObject
- (NSUInteger)hash;
- (BOOL)isEqual:(id)object;
@end
@interface MissingHash : NSObject
@end
@implementation MissingHash
// CHECK-MESSAGES: :[[@LINE-1]]:17: warning: 'MissingHash' implements -isEqual: without implementing -hash [objc-missing-hash]
- (BOOL)isEqual:(id)object {
return YES;
}
@end
@interface HasHash : NSObject
@end
@implementation HasHash
- (NSUInteger)hash {
return 0;
}
- (BOOL)isEqual:(id)object {
return YES;
}
@end
@interface NSArray : NSObject
@end
@interface MayHaveInheritedHash : NSArray
@end
@implementation MayHaveInheritedHash
- (BOOL)isEqual:(id)object {
return YES;
}
@end
@interface AnotherRootClass
@end
@interface NotDerivedFromNSObject : AnotherRootClass
@end
@implementation NotDerivedFromNSObject
- (BOOL)isEqual:(id)object {
return NO;
}
@end