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//
// GTMUnitTestDevLog.m
//
// Copyright 2008 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy
// of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
//
#import "GTMUnitTestDevLog.h"
@interface GTMUnttestDevLogAssertionHandler : NSAssertionHandler
- (void)handleFailure:(NSString *)functionName
file:(NSString *)fileName
lineNumber:(NSInteger)line
description:(NSString *)format
arguments:(va_list)argList NS_FORMAT_FUNCTION(4,0);
@end
@implementation GTMUnttestDevLogAssertionHandler
- (void)handleFailureInMethod:(SEL)selector
object:(id)object
file:(NSString *)fileName
lineNumber:(NSInteger)line
description:(NSString *)format, ... {
NSString *call = [NSString stringWithFormat:@"[%@ %@]",
NSStringFromClass([object class]),
NSStringFromSelector(selector)];
va_list argList;
va_start(argList, format);
[self handleFailure:call
file:fileName
lineNumber:line
description:format
arguments:argList];
va_end(argList);
}
- (void)handleFailureInFunction:(NSString *)functionName
file:(NSString *)fileName
lineNumber:(NSInteger)line
description:(NSString *)format, ... {
va_list argList;
va_start(argList, format);
[self handleFailure:functionName
file:fileName
lineNumber:line
description:format
arguments:argList];
va_end(argList);
}
- (void)handleFailure:(NSString *)failure
file:(NSString *)fileName
lineNumber:(NSInteger)line
description:(NSString *)format
arguments:(va_list)argList {
NSString *descStr
= [[[NSString alloc] initWithFormat:format arguments:argList] autorelease];
// You need a format that will be useful in logs, but won't trip up Xcode or
// any other build systems parsing of the output.
NSString *outLog
= [NSString stringWithFormat:@"RecordedNSAssert in %@ - %@ (%@:%ld)",
failure, descStr, fileName, (long)line];
// To avoid unused variable warning when _GTMDevLog is stripped.
(void)outLog;
_GTMDevLog(@"%@", outLog); // Don't want any percents in outLog honored
[NSException raise:NSInternalInconsistencyException
format:@"NSAssert raised"];
}
@end
@implementation GTMUnitTestDevLog
+ (void)enableTracking {
NSMutableDictionary *threadDictionary
= [[NSThread currentThread] threadDictionary];
if ([threadDictionary objectForKey:@"NSAssertionHandler"] != nil) {
NSLog(@"Warning: replacing NSAssertionHandler to capture assertions");
}
// Install an assertion handler to capture those.
GTMUnttestDevLogAssertionHandler *handler =
[[[GTMUnttestDevLogAssertionHandler alloc] init] autorelease];
[threadDictionary setObject:handler forKey:@"NSAssertionHandler"];
}
+ (void)disableTracking {
// Clear our assertion handler back out.
NSMutableDictionary *threadDictionary
= [[NSThread currentThread] threadDictionary];
[threadDictionary removeObjectForKey:@"NSAssertionHandler"];
}
@end
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