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//
// GTMFoundationUnitTestingUtilities.m
//
// Copyright 2006-2010 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 <unistd.h>
#import "GTMFoundationUnitTestingUtilities.h"
@implementation GTMFoundationUnitTestingUtilities
// Returns YES if we are currently being unittested.
+ (BOOL)areWeBeingUnitTested {
BOOL answer = NO;
// Check to see if the SenTestProbe class is linked in before we call it.
Class SenTestProbeClass = NSClassFromString(@"SenTestProbe");
if (SenTestProbeClass != Nil) {
// Doing this little dance so we don't actually have to link
// SenTestingKit in
SEL selector = NSSelectorFromString(@"isTesting");
NSMethodSignature *sig = [SenTestProbeClass methodSignatureForSelector:selector];
NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:sig];
[invocation setSelector:selector];
[invocation invokeWithTarget:SenTestProbeClass];
[invocation getReturnValue:&answer];
}
return answer;
}
+ (void)maxRuntimeTimer:(NSTimer*)timer {
// Directly use fprintf so the message always shows up.
fprintf(stderr, "%s:%d: error: %s : Hit app testing timeout!\n",
__FILE__, __LINE__, __func__);
fflush(stderr);
exit(1);
}
+ (void)installTestingTimeout:(NSTimeInterval)maxRunInterval {
[NSTimer scheduledTimerWithTimeInterval:maxRunInterval
target:self
selector:@selector(maxRuntimeTimer:)
userInfo:nil
repeats:NO];
}
@end
@implementation GTMUnitTestingBooleanRunLoopContext
+ (id)context {
return [[[GTMUnitTestingBooleanRunLoopContext alloc] init] autorelease];
}
- (BOOL)shouldStop {
return shouldStop_;
}
- (void)setShouldStop:(BOOL)stop {
shouldStop_ = stop;
}
@end
@implementation NSRunLoop (GTMUnitTestingAdditions)
- (BOOL)gtm_runUpToSixtySecondsWithContext:(id<GTMUnitTestingRunLoopContext>)context {
return [self gtm_runUntilDate:[NSDate dateWithTimeIntervalSinceNow:60]
context:context];
}
- (BOOL)gtm_runUntilDate:(NSDate *)date
context:(id<GTMUnitTestingRunLoopContext>)context {
return [self gtm_runUntilDate:date mode:NSDefaultRunLoopMode context:context];
}
- (BOOL)gtm_runUntilDate:(NSDate *)date
mode:(NSString *)mode
context:(id<GTMUnitTestingRunLoopContext>)context {
BOOL contextShouldStop = NO;
NSRunLoop *rl = [NSRunLoop currentRunLoop];
NSDate* next = nil;
while (1) {
contextShouldStop = [context shouldStop];
if (contextShouldStop) break;
next = [[NSDate alloc] initWithTimeIntervalSinceNow:0.01];
if (!([rl runMode:mode beforeDate:next])) break;
if ([next compare:date] == NSOrderedDescending) break;
[next release];
next = nil;
}
[next release];
return contextShouldStop;
}
@end
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