1/*
2 *  Copyright (c) 2014 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 "testing/gtest/include/gtest/gtest.h"
12
13#include "webrtc/system_wrappers/include/ntp_time.h"
14
15namespace webrtc {
16namespace {
17
18const uint32_t kNtpSec = 0x12345678;
19const uint32_t kNtpFrac = 0x23456789;
20
21TEST(NtpTimeTest, NoValueMeansInvalid) {
22  NtpTime ntp;
23  EXPECT_FALSE(ntp.Valid());
24}
25
26TEST(NtpTimeTest, CanResetValue) {
27  NtpTime ntp(kNtpSec, kNtpFrac);
28  EXPECT_TRUE(ntp.Valid());
29  ntp.Reset();
30  EXPECT_FALSE(ntp.Valid());
31}
32
33TEST(NtpTimeTest, CanGetWhatIsSet) {
34  NtpTime ntp;
35  ntp.Set(kNtpSec, kNtpFrac);
36  EXPECT_EQ(kNtpSec, ntp.seconds());
37  EXPECT_EQ(kNtpFrac, ntp.fractions());
38}
39
40TEST(NtpTimeTest, SetIsSameAs2ParameterConstructor) {
41  NtpTime ntp1(kNtpSec, kNtpFrac);
42  NtpTime ntp2;
43  EXPECT_NE(ntp1, ntp2);
44
45  ntp2.Set(kNtpSec, kNtpFrac);
46  EXPECT_EQ(ntp1, ntp2);
47}
48
49TEST(NtpTimeTest, SetCurrentIsSameAs1ParameterConstructor) {
50  SimulatedClock clock(0x0123456789abcdef);
51
52  NtpTime ntp1(clock);
53  NtpTime ntp2;
54  EXPECT_NE(ntp1, ntp2);
55
56  ntp2.SetCurrent(clock);
57  EXPECT_EQ(ntp1, ntp2);
58}
59
60TEST(NtpTimeTest, ToMsMeansToNtpMilliseconds) {
61  SimulatedClock clock(0x123456789abc);
62
63  NtpTime ntp(clock);
64  EXPECT_EQ(ntp.ToMs(), Clock::NtpToMs(ntp.seconds(), ntp.fractions()));
65  EXPECT_EQ(ntp.ToMs(), clock.CurrentNtpInMilliseconds());
66}
67
68}  // namespace
69}  // namespace webrtc
70