NOAssertionHandler.h

// Inspired by Mattt

@interface NOLoggingAssertionHandler : NSAssertionHandler

@end

NOAssertionHandler.m

@implementation NOLoggingAssertionHandler

- (void)handleFailureInMethod:(SEL)selector object:(id)object file:(NSString *)fileName lineNumber:(NSInteger)line description:(NSString *)format, ...
{
    va_list args;
    va_start(args, format);
    NSString* errorDescription = [[NSString alloc] initWithFormat:format arguments:args];
    va_end(args);
    TFLog(@"NSAssert Failure: Method %@ for object %@ in %@#%i, descriprion: %@", NSStringFromSelector(selector), object, fileName, line, errorDescription);
}

- (void)handleFailureInFunction:(NSString *)functionName file:(NSString *)fileName lineNumber:(NSInteger)line description:(NSString *)format, ...
{
    va_list args;
    va_start(args, format);
    NSString* errorDescription = [[NSString alloc] initWithFormat:format arguments:args];
    va_end(args);
    TFLog(@"NSCAssert Failure: Function (%@) in %@#%i, descriprion: %@", functionName, fileName, line, errorDescription);
}

@end