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/*
* Copyright 2019 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "rtc_base/fake_clock.h"
#include "test/gtest.h"
namespace rtc {
TEST(ScopedFakeClockTest, OverridesGlobalClock) {
const int64_t kFixedTimeUs = 100000;
int64_t real_time_us = rtc::TimeMicros();
EXPECT_NE(real_time_us, 0);
{
ScopedFakeClock scoped;
EXPECT_EQ(rtc::TimeMicros(), 0);
scoped.AdvanceTime(webrtc::TimeDelta::Millis(1));
EXPECT_EQ(rtc::TimeMicros(), 1000);
scoped.SetTime(webrtc::Timestamp::Micros(kFixedTimeUs));
EXPECT_EQ(rtc::TimeMicros(), kFixedTimeUs);
scoped.AdvanceTime(webrtc::TimeDelta::Millis(1));
EXPECT_EQ(rtc::TimeMicros(), kFixedTimeUs + 1000);
}
EXPECT_NE(rtc::TimeMicros(), kFixedTimeUs + 1000);
EXPECT_GE(rtc::TimeMicros(), real_time_us);
}
} // namespace rtc
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