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// RUN: %check_clang_tidy %s bugprone-assert-side-effect %t
int abort();
@interface NSObject
@end
@interface NSString
@end
@interface NSAssertionHandler
+ (NSAssertionHandler *)currentHandler;
- handleFailureInMethod:(SEL)cmd object:(NSObject *)obj desc:(NSString *)desc;
- handleFailureInFunction:(NSString *)desc;
@end
#ifndef NDEBUG
#define NSAssert(condition, description, ...) \
do { \
if (__builtin_expect(!(condition), 0)) { \
[[NSAssertionHandler currentHandler] handleFailureInMethod:_cmd \
object:self \
desc:(description)]; \
} \
} while (0);
#define NSCAssert(condition, description, ...) \
do { \
if (__builtin_expect(!(condition), 0)) { \
[[NSAssertionHandler currentHandler] handleFailureInFunction:(description)]; \
} \
} while (0);
#else
#define NSAssert(condition, description, ...) do {} while (0)
#define NSCAssert(condition, description, ...) do {} while (0)
#endif
@interface I : NSObject
- (void)foo;
@end
@implementation I
- (void)foo {
int x = 0;
NSAssert((++x) == 1, @"Ugh.");
// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: side effect in NSAssert() condition discarded in release builds [bugprone-assert-side-effect]
}
@end
void foo() {
int x = 0;
NSCAssert((++x) == 1, @"Ugh.");
// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: side effect in NSCAssert() condition discarded in release builds [bugprone-assert-side-effect]
}
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