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//
// GTMTestTimerTest.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 "GTMSenTestCase.h"
#import "GTMTestTimer.h"
@interface GTMTestTimerTest : GTMTestCase
@end
@implementation GTMTestTimerTest
- (void)testTimer {
GTMTestTimer *timer = GTMTestTimerCreate();
XCTAssertNotNULL(timer);
GTMTestTimerRetain(timer);
GTMTestTimerRelease(timer);
XCTAssertEqualWithAccuracy(GTMTestTimerGetSeconds(timer), 0.0, 0.0);
GTMTestTimerStart(timer);
XCTAssertTrue(GTMTestTimerIsRunning(timer));
NSRunLoop *loop = [NSRunLoop currentRunLoop];
[loop runUntilDate:[NSDate dateWithTimeIntervalSinceNow:0.1]];
GTMTestTimerStop(timer);
// We use greater than (and an almost absurd less than) because
// these tests are very dependant on machine load, and we don't want
// automated tests reporting false negatives.
XCTAssertGreaterThan(GTMTestTimerGetSeconds(timer), 0.1);
XCTAssertGreaterThan(GTMTestTimerGetMilliseconds(timer), 100.0);
XCTAssertGreaterThan(GTMTestTimerGetMicroseconds(timer), 100000.0);
// Check to make sure we're not WAY off the mark (by a factor of 10)
XCTAssertLessThan(GTMTestTimerGetMicroseconds(timer), 1000000.0);
[loop runUntilDate:[NSDate dateWithTimeIntervalSinceNow:0.1]];
GTMTestTimerStart(timer);
[loop runUntilDate:[NSDate dateWithTimeIntervalSinceNow:0.1]];
XCTAssertGreaterThan(GTMTestTimerGetSeconds(timer), 0.2);
GTMTestTimerStop(timer);
XCTAssertEqual(GTMTestTimerGetIterations(timer), (NSUInteger)2);
GTMTestTimerRelease(timer);
}
@end
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