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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /third_party/libwebrtc/api/neteq/tick_timer_unittest.cc | |
parent | Initial commit. (diff) | |
download | thunderbird-upstream.tar.xz thunderbird-upstream.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | third_party/libwebrtc/api/neteq/tick_timer_unittest.cc | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/third_party/libwebrtc/api/neteq/tick_timer_unittest.cc b/third_party/libwebrtc/api/neteq/tick_timer_unittest.cc new file mode 100644 index 0000000000..863c0117f4 --- /dev/null +++ b/third_party/libwebrtc/api/neteq/tick_timer_unittest.cc @@ -0,0 +1,135 @@ +/* + * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#include "api/neteq/tick_timer.h" + +#include <memory> + +#include "test/gmock.h" +#include "test/gtest.h" + +namespace webrtc { + +// Verify that the default value for ms_per_tick is 10. +TEST(TickTimer, DefaultMsPerTick) { + TickTimer tt; + EXPECT_EQ(10, tt.ms_per_tick()); +} + +TEST(TickTimer, CustomMsPerTick) { + TickTimer tt(17); + EXPECT_EQ(17, tt.ms_per_tick()); +} + +TEST(TickTimer, Increment) { + TickTimer tt; + EXPECT_EQ(0u, tt.ticks()); + tt.Increment(); + EXPECT_EQ(1u, tt.ticks()); + + for (int i = 0; i < 17; ++i) { + tt.Increment(); + } + EXPECT_EQ(18u, tt.ticks()); + + tt.Increment(17); + EXPECT_EQ(35u, tt.ticks()); +} + +TEST(TickTimer, WrapAround) { + TickTimer tt; + tt.Increment(UINT64_MAX); + EXPECT_EQ(UINT64_MAX, tt.ticks()); + tt.Increment(); + EXPECT_EQ(0u, tt.ticks()); +} + +TEST(TickTimer, Stopwatch) { + TickTimer tt; + // Increment it a "random" number of steps. + tt.Increment(17); + + std::unique_ptr<TickTimer::Stopwatch> sw = tt.GetNewStopwatch(); + ASSERT_TRUE(sw); + + EXPECT_EQ(0u, sw->ElapsedTicks()); // Starts at zero. + EXPECT_EQ(0u, sw->ElapsedMs()); + tt.Increment(); + EXPECT_EQ(1u, sw->ElapsedTicks()); // Increases with the TickTimer. + EXPECT_EQ(10u, sw->ElapsedMs()); +} + +TEST(TickTimer, StopwatchWrapAround) { + TickTimer tt; + tt.Increment(UINT64_MAX); + + std::unique_ptr<TickTimer::Stopwatch> sw = tt.GetNewStopwatch(); + ASSERT_TRUE(sw); + + tt.Increment(); + EXPECT_EQ(0u, tt.ticks()); + EXPECT_EQ(1u, sw->ElapsedTicks()); + EXPECT_EQ(10u, sw->ElapsedMs()); + + tt.Increment(); + EXPECT_EQ(1u, tt.ticks()); + EXPECT_EQ(2u, sw->ElapsedTicks()); + EXPECT_EQ(20u, sw->ElapsedMs()); +} + +TEST(TickTimer, StopwatchMsOverflow) { + TickTimer tt; + std::unique_ptr<TickTimer::Stopwatch> sw = tt.GetNewStopwatch(); + ASSERT_TRUE(sw); + + tt.Increment(UINT64_MAX / 10); + EXPECT_EQ(UINT64_MAX, sw->ElapsedMs()); + + tt.Increment(); + EXPECT_EQ(UINT64_MAX, sw->ElapsedMs()); + + tt.Increment(UINT64_MAX - tt.ticks()); + EXPECT_EQ(UINT64_MAX, tt.ticks()); + EXPECT_EQ(UINT64_MAX, sw->ElapsedMs()); +} + +TEST(TickTimer, StopwatchWithCustomTicktime) { + const int kMsPerTick = 17; + TickTimer tt(kMsPerTick); + std::unique_ptr<TickTimer::Stopwatch> sw = tt.GetNewStopwatch(); + ASSERT_TRUE(sw); + + EXPECT_EQ(0u, sw->ElapsedMs()); + tt.Increment(); + EXPECT_EQ(static_cast<uint64_t>(kMsPerTick), sw->ElapsedMs()); +} + +TEST(TickTimer, Countdown) { + TickTimer tt; + // Increment it a "random" number of steps. + tt.Increment(4711); + + std::unique_ptr<TickTimer::Countdown> cd = tt.GetNewCountdown(17); + ASSERT_TRUE(cd); + + EXPECT_FALSE(cd->Finished()); + tt.Increment(); + EXPECT_FALSE(cd->Finished()); + + tt.Increment(16); // Total increment is now 17. + EXPECT_TRUE(cd->Finished()); + + // Further increments do not change the state. + tt.Increment(); + EXPECT_TRUE(cd->Finished()); + tt.Increment(1234); + EXPECT_TRUE(cd->Finished()); +} +} // namespace webrtc |