1// Copyright (c) 2012 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "net/tools/quic/quic_epoll_clock.h"
6
7#include "net/tools/quic/test_tools/mock_epoll_server.h"
8#include "testing/gmock/include/gmock/gmock.h"
9
10namespace net {
11namespace tools {
12namespace test {
13
14TEST(QuicEpollClockTest, ApproximateNowInUsec) {
15  MockEpollServer epoll_server;
16  QuicEpollClock clock(&epoll_server);
17
18  epoll_server.set_now_in_usec(1000000);
19  EXPECT_EQ(1000000,
20            clock.ApproximateNow().Subtract(QuicTime::Zero()).ToMicroseconds());
21
22  epoll_server.AdvanceBy(5);
23  EXPECT_EQ(1000005,
24            clock.ApproximateNow().Subtract(QuicTime::Zero()).ToMicroseconds());
25}
26
27TEST(QuicEpollClockTest, NowInUsec) {
28  MockEpollServer epoll_server;
29  QuicEpollClock clock(&epoll_server);
30
31  epoll_server.set_now_in_usec(1000000);
32  EXPECT_EQ(1000000,
33            clock.Now().Subtract(QuicTime::Zero()).ToMicroseconds());
34
35  epoll_server.AdvanceBy(5);
36  EXPECT_EQ(1000005,
37            clock.Now().Subtract(QuicTime::Zero()).ToMicroseconds());
38}
39
40TEST(QuicEpollClockTest, WallNow) {
41  MockEpollServer epoll_server;
42  QuicEpollClock clock(&epoll_server);
43
44  base::Time start = base::Time::Now();
45  QuicWallTime now = clock.WallNow();
46  base::Time end = base::Time::Now();
47
48  // If end > start, then we can check now is between start and end.
49  if (end > start) {
50    EXPECT_LE(static_cast<uint64>(start.ToTimeT()), now.ToUNIXSeconds());
51    EXPECT_LE(now.ToUNIXSeconds(), static_cast<uint64>(end.ToTimeT()));
52  }
53}
54
55}  // namespace test
56}  // namespace tools
57}  // namespace net
58