net/tools/quic/quic_epoll_clock_test.cc

   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
  10 namespace net {
  11 namespace tools {
  12 namespace test {
  13
  14 TEST(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
  27 TEST(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
  40 TEST(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