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 "system_wrappers/include/ntp_time.h"
12 #include "system_wrappers/include/clock.h"
13 #include "test/gtest.h"
14
15 namespace webrtc {
16 namespace {
17
18 const uint32_t kNtpSec = 0x12345678;
19 const uint32_t kNtpFrac = 0x23456789;
20
TEST(NtpTimeTest,NoValueMeansInvalid)21 TEST(NtpTimeTest, NoValueMeansInvalid) {
22 NtpTime ntp;
23 EXPECT_FALSE(ntp.Valid());
24 }
25
TEST(NtpTimeTest,CanResetValue)26 TEST(NtpTimeTest, CanResetValue) {
27 NtpTime ntp(kNtpSec, kNtpFrac);
28 EXPECT_TRUE(ntp.Valid());
29 ntp.Reset();
30 EXPECT_FALSE(ntp.Valid());
31 }
32
TEST(NtpTimeTest,CanGetWhatIsSet)33 TEST(NtpTimeTest, CanGetWhatIsSet) {
34 NtpTime ntp;
35 ntp.Set(kNtpSec, kNtpFrac);
36 EXPECT_EQ(kNtpSec, ntp.seconds());
37 EXPECT_EQ(kNtpFrac, ntp.fractions());
38 }
39
TEST(NtpTimeTest,SetIsSameAs2ParameterConstructor)40 TEST(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
TEST(NtpTimeTest,ToMsMeansToNtpMilliseconds)49 TEST(NtpTimeTest, ToMsMeansToNtpMilliseconds) {
50 SimulatedClock clock(0x123456789abc);
51
52 NtpTime ntp = clock.CurrentNtpTime();
53 EXPECT_EQ(ntp.ToMs(), Clock::NtpToMs(ntp.seconds(), ntp.fractions()));
54 EXPECT_EQ(ntp.ToMs(), clock.CurrentNtpInMilliseconds());
55 }
56
TEST(NtpTimeTest,CanExplicitlyConvertToAndFromUint64)57 TEST(NtpTimeTest, CanExplicitlyConvertToAndFromUint64) {
58 uint64_t untyped_time = 0x123456789;
59 NtpTime time(untyped_time);
60 EXPECT_EQ(untyped_time, static_cast<uint64_t>(time));
61 EXPECT_EQ(NtpTime(0x12345678, 0x90abcdef), NtpTime(0x1234567890abcdef));
62 }
63
64 } // namespace
65 } // namespace webrtc
66