Index: webrtc/base/ratetracker_unittest.cc |
diff --git a/webrtc/base/ratetracker_unittest.cc b/webrtc/base/ratetracker_unittest.cc |
deleted file mode 100644 |
index e2b51c13695f6adfa87effa6b6a6f27c7d7a9eca..0000000000000000000000000000000000000000 |
--- a/webrtc/base/ratetracker_unittest.cc |
+++ /dev/null |
@@ -1,168 +0,0 @@ |
-/* |
- * Copyright 2015 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 "webrtc/base/gunit.h" |
-#include "webrtc/base/ratetracker.h" |
- |
-namespace rtc { |
-namespace { |
- const uint32_t kBucketIntervalMs = 100; |
-} // namespace |
- |
-class RateTrackerForTest : public RateTracker { |
- public: |
- RateTrackerForTest() : RateTracker(kBucketIntervalMs, 10u), time_(0) {} |
- int64_t Time() const override { return time_; } |
- void AdvanceTime(int delta) { time_ += delta; } |
- |
- private: |
- int64_t time_; |
-}; |
- |
-TEST(RateTrackerTest, Test30FPS) { |
- RateTrackerForTest tracker; |
- |
- for (int i = 0; i < 300; ++i) { |
- tracker.AddSamples(1); |
- tracker.AdvanceTime(33); |
- if (i % 3 == 0) { |
- tracker.AdvanceTime(1); |
- } |
- } |
- EXPECT_DOUBLE_EQ(30.0, tracker.ComputeRateForInterval(50000)); |
-} |
- |
-TEST(RateTrackerTest, Test60FPS) { |
- RateTrackerForTest tracker; |
- |
- for (int i = 0; i < 300; ++i) { |
- tracker.AddSamples(1); |
- tracker.AdvanceTime(16); |
- if (i % 3 != 0) { |
- tracker.AdvanceTime(1); |
- } |
- } |
- EXPECT_DOUBLE_EQ(60.0, tracker.ComputeRateForInterval(1000)); |
-} |
- |
-TEST(RateTrackerTest, TestRateTrackerBasics) { |
- RateTrackerForTest tracker; |
- EXPECT_DOUBLE_EQ(0.0, tracker.ComputeRateForInterval(1000)); |
- |
- // Add a sample. |
- tracker.AddSamples(1234); |
- // Advance the clock by less than one bucket interval (no rate returned). |
- tracker.AdvanceTime(kBucketIntervalMs - 1); |
- EXPECT_DOUBLE_EQ(0.0, tracker.ComputeRate()); |
- // Advance the clock by 100 ms (one bucket interval). |
- tracker.AdvanceTime(1); |
- EXPECT_DOUBLE_EQ(12340.0, tracker.ComputeRateForInterval(1000)); |
- EXPECT_DOUBLE_EQ(12340.0, tracker.ComputeRate()); |
- EXPECT_EQ(1234U, tracker.TotalSampleCount()); |
- EXPECT_DOUBLE_EQ(12340.0, tracker.ComputeTotalRate()); |
- |
- // Repeat. |
- tracker.AddSamples(1234); |
- tracker.AdvanceTime(100); |
- EXPECT_DOUBLE_EQ(12340.0, tracker.ComputeRateForInterval(1000)); |
- EXPECT_DOUBLE_EQ(12340.0, tracker.ComputeRate()); |
- EXPECT_EQ(1234U * 2, tracker.TotalSampleCount()); |
- EXPECT_DOUBLE_EQ(12340.0, tracker.ComputeTotalRate()); |
- |
- // Advance the clock by 800 ms, so we've elapsed a full second. |
- // units_second should now be filled in properly. |
- tracker.AdvanceTime(800); |
- EXPECT_DOUBLE_EQ(1234.0 * 2.0, tracker.ComputeRateForInterval(1000)); |
- EXPECT_DOUBLE_EQ(1234.0 * 2.0, tracker.ComputeRate()); |
- EXPECT_EQ(1234U * 2, tracker.TotalSampleCount()); |
- EXPECT_DOUBLE_EQ(1234.0 * 2.0, tracker.ComputeTotalRate()); |
- |
- // Poll the tracker again immediately. The reported rate should stay the same. |
- EXPECT_DOUBLE_EQ(1234.0 * 2.0, tracker.ComputeRateForInterval(1000)); |
- EXPECT_DOUBLE_EQ(1234.0 * 2.0, tracker.ComputeRate()); |
- EXPECT_EQ(1234U * 2, tracker.TotalSampleCount()); |
- EXPECT_DOUBLE_EQ(1234.0 * 2.0, tracker.ComputeTotalRate()); |
- |
- // Do nothing and advance by a second. We should drop down to zero. |
- tracker.AdvanceTime(1000); |
- EXPECT_DOUBLE_EQ(0.0, tracker.ComputeRateForInterval(1000)); |
- EXPECT_DOUBLE_EQ(0.0, tracker.ComputeRate()); |
- EXPECT_EQ(1234U * 2, tracker.TotalSampleCount()); |
- EXPECT_DOUBLE_EQ(1234.0, tracker.ComputeTotalRate()); |
- |
- // Send a bunch of data at a constant rate for 5.5 "seconds". |
- // We should report the rate properly. |
- for (int i = 0; i < 5500; i += 100) { |
- tracker.AddSamples(9876U); |
- tracker.AdvanceTime(100); |
- } |
- EXPECT_DOUBLE_EQ(9876.0 * 10.0, tracker.ComputeRateForInterval(1000)); |
- EXPECT_DOUBLE_EQ(9876.0 * 10.0, tracker.ComputeRate()); |
- EXPECT_EQ(1234U * 2 + 9876U * 55, tracker.TotalSampleCount()); |
- EXPECT_DOUBLE_EQ((1234.0 * 2.0 + 9876.0 * 55.0) / 7.5, |
- tracker.ComputeTotalRate()); |
- |
- // Advance the clock by 500 ms. Since we sent nothing over this half-second, |
- // the reported rate should be reduced by half. |
- tracker.AdvanceTime(500); |
- EXPECT_DOUBLE_EQ(9876.0 * 5.0, tracker.ComputeRateForInterval(1000)); |
- EXPECT_DOUBLE_EQ(9876.0 * 5.0, tracker.ComputeRate()); |
- EXPECT_EQ(1234U * 2 + 9876U * 55, tracker.TotalSampleCount()); |
- EXPECT_DOUBLE_EQ((1234.0 * 2.0 + 9876.0 * 55.0) / 8.0, |
- tracker.ComputeTotalRate()); |
- |
- // Rate over the last half second should be zero. |
- EXPECT_DOUBLE_EQ(0.0, tracker.ComputeRateForInterval(500)); |
-} |
- |
-TEST(RateTrackerTest, TestLongPeriodBetweenSamples) { |
- RateTrackerForTest tracker; |
- tracker.AddSamples(1); |
- tracker.AdvanceTime(1000); |
- EXPECT_DOUBLE_EQ(1.0, tracker.ComputeRate()); |
- |
- tracker.AdvanceTime(2000); |
- EXPECT_DOUBLE_EQ(0.0, tracker.ComputeRate()); |
- |
- tracker.AdvanceTime(2000); |
- tracker.AddSamples(1); |
- EXPECT_DOUBLE_EQ(1.0, tracker.ComputeRate()); |
-} |
- |
-TEST(RateTrackerTest, TestRolloff) { |
- RateTrackerForTest tracker; |
- for (int i = 0; i < 10; ++i) { |
- tracker.AddSamples(1U); |
- tracker.AdvanceTime(100); |
- } |
- EXPECT_DOUBLE_EQ(10.0, tracker.ComputeRate()); |
- |
- for (int i = 0; i < 10; ++i) { |
- tracker.AddSamples(1U); |
- tracker.AdvanceTime(50); |
- } |
- EXPECT_DOUBLE_EQ(15.0, tracker.ComputeRate()); |
- EXPECT_DOUBLE_EQ(20.0, tracker.ComputeRateForInterval(500)); |
- |
- for (int i = 0; i < 10; ++i) { |
- tracker.AddSamples(1U); |
- tracker.AdvanceTime(50); |
- } |
- EXPECT_DOUBLE_EQ(20.0, tracker.ComputeRate()); |
-} |
- |
-TEST(RateTrackerTest, TestGetUnitSecondsAfterInitialValue) { |
- RateTrackerForTest tracker; |
- tracker.AddSamples(1234); |
- tracker.AdvanceTime(1000); |
- EXPECT_DOUBLE_EQ(1234.0, tracker.ComputeRateForInterval(1000)); |
-} |
- |
-} // namespace rtc |