1 /* 2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #include "webrtc/system_wrappers/interface/clock.h" 12 13 #include "testing/gtest/include/gtest/gtest.h" 14 15 namespace webrtc { 16 17 TEST(ClockTest, NtpTime) { 18 Clock* clock = Clock::GetRealTimeClock(); 19 uint32_t seconds; 20 uint32_t fractions; 21 clock->CurrentNtp(seconds, fractions); 22 int64_t milliseconds = clock->CurrentNtpInMilliseconds(); 23 EXPECT_GT(milliseconds / 1000, kNtpJan1970); 24 EXPECT_GE(milliseconds, Clock::NtpToMs(seconds, fractions)); 25 EXPECT_NEAR(milliseconds, Clock::NtpToMs(seconds, fractions), 5); 26 } 27 } // namespace webrtc 28