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92ea95e34a
In https://webrtc-review.googlesource.com/c/src/+/1560 we moved WebRTC from src/webrtc to src/ (in order to preserve an healthy git history). This CL takes care of fixing header guards, #include paths, etc... NOPRESUBMIT=true NOTREECHECKS=true NOTRY=true TBR=tommi@webrtc.org Bug: chromium:611808 Change-Id: Iea91618212bee0af16aa3f05071eab8f93706578 Reviewed-on: https://webrtc-review.googlesource.com/1561 Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org> Reviewed-by: Henrik Kjellander <kjellander@webrtc.org> Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org> Cr-Commit-Position: refs/heads/master@{#19846}
135 lines
3.2 KiB
C++
135 lines
3.2 KiB
C++
/*
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* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include <memory>
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#include "modules/audio_coding/neteq/tick_timer.h"
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#include "test/gmock.h"
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#include "test/gtest.h"
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namespace webrtc {
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// Verify that the default value for ms_per_tick is 10.
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TEST(TickTimer, DefaultMsPerTick) {
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TickTimer tt;
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EXPECT_EQ(10, tt.ms_per_tick());
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}
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TEST(TickTimer, CustomMsPerTick) {
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TickTimer tt(17);
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EXPECT_EQ(17, tt.ms_per_tick());
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}
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TEST(TickTimer, Increment) {
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TickTimer tt;
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EXPECT_EQ(0u, tt.ticks());
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tt.Increment();
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EXPECT_EQ(1u, tt.ticks());
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for (int i = 0; i < 17; ++i) {
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tt.Increment();
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}
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EXPECT_EQ(18u, tt.ticks());
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tt.Increment(17);
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EXPECT_EQ(35u, tt.ticks());
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}
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TEST(TickTimer, WrapAround) {
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TickTimer tt;
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tt.Increment(UINT64_MAX);
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EXPECT_EQ(UINT64_MAX, tt.ticks());
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tt.Increment();
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EXPECT_EQ(0u, tt.ticks());
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}
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TEST(TickTimer, Stopwatch) {
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TickTimer tt;
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// Increment it a "random" number of steps.
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tt.Increment(17);
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std::unique_ptr<TickTimer::Stopwatch> sw = tt.GetNewStopwatch();
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ASSERT_TRUE(sw);
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EXPECT_EQ(0u, sw->ElapsedTicks()); // Starts at zero.
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EXPECT_EQ(0u, sw->ElapsedMs());
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tt.Increment();
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EXPECT_EQ(1u, sw->ElapsedTicks()); // Increases with the TickTimer.
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EXPECT_EQ(10u, sw->ElapsedMs());
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}
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TEST(TickTimer, StopwatchWrapAround) {
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TickTimer tt;
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tt.Increment(UINT64_MAX);
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std::unique_ptr<TickTimer::Stopwatch> sw = tt.GetNewStopwatch();
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ASSERT_TRUE(sw);
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tt.Increment();
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EXPECT_EQ(0u, tt.ticks());
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EXPECT_EQ(1u, sw->ElapsedTicks());
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EXPECT_EQ(10u, sw->ElapsedMs());
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tt.Increment();
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EXPECT_EQ(1u, tt.ticks());
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EXPECT_EQ(2u, sw->ElapsedTicks());
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EXPECT_EQ(20u, sw->ElapsedMs());
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}
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TEST(TickTimer, StopwatchMsOverflow) {
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TickTimer tt;
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std::unique_ptr<TickTimer::Stopwatch> sw = tt.GetNewStopwatch();
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ASSERT_TRUE(sw);
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tt.Increment(UINT64_MAX / 10);
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EXPECT_EQ(UINT64_MAX, sw->ElapsedMs());
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tt.Increment();
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EXPECT_EQ(UINT64_MAX, sw->ElapsedMs());
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tt.Increment(UINT64_MAX - tt.ticks());
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EXPECT_EQ(UINT64_MAX, tt.ticks());
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EXPECT_EQ(UINT64_MAX, sw->ElapsedMs());
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}
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TEST(TickTimer, StopwatchWithCustomTicktime) {
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const int kMsPerTick = 17;
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TickTimer tt(kMsPerTick);
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std::unique_ptr<TickTimer::Stopwatch> sw = tt.GetNewStopwatch();
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ASSERT_TRUE(sw);
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EXPECT_EQ(0u, sw->ElapsedMs());
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tt.Increment();
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EXPECT_EQ(static_cast<uint64_t>(kMsPerTick), sw->ElapsedMs());
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}
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TEST(TickTimer, Countdown) {
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TickTimer tt;
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// Increment it a "random" number of steps.
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tt.Increment(4711);
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std::unique_ptr<TickTimer::Countdown> cd = tt.GetNewCountdown(17);
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ASSERT_TRUE(cd);
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EXPECT_FALSE(cd->Finished());
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tt.Increment();
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EXPECT_FALSE(cd->Finished());
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tt.Increment(16); // Total increment is now 17.
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EXPECT_TRUE(cd->Finished());
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// Further increments do not change the state.
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tt.Increment();
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EXPECT_TRUE(cd->Finished());
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tt.Increment(1234);
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EXPECT_TRUE(cd->Finished());
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}
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} // namespace webrtc
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