Index: webrtc/base/rollingaccumulator_unittest.cc |
diff --git a/webrtc/base/rollingaccumulator_unittest.cc b/webrtc/base/rollingaccumulator_unittest.cc |
deleted file mode 100644 |
index 7e3d8cdf0e96a17cfc3c5af96f3a28c5bff8d62a..0000000000000000000000000000000000000000 |
--- a/webrtc/base/rollingaccumulator_unittest.cc |
+++ /dev/null |
@@ -1,118 +0,0 @@ |
-/* |
- * Copyright 2011 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/rollingaccumulator.h" |
- |
-namespace rtc { |
- |
-namespace { |
- |
-const double kLearningRate = 0.5; |
- |
-} // namespace |
- |
-TEST(RollingAccumulatorTest, ZeroSamples) { |
- RollingAccumulator<int> accum(10); |
- |
- EXPECT_EQ(0U, accum.count()); |
- EXPECT_DOUBLE_EQ(0.0, accum.ComputeMean()); |
- EXPECT_DOUBLE_EQ(0.0, accum.ComputeVariance()); |
- EXPECT_EQ(0, accum.ComputeMin()); |
- EXPECT_EQ(0, accum.ComputeMax()); |
-} |
- |
-TEST(RollingAccumulatorTest, SomeSamples) { |
- RollingAccumulator<int> accum(10); |
- for (int i = 0; i < 4; ++i) { |
- accum.AddSample(i); |
- } |
- |
- EXPECT_EQ(4U, accum.count()); |
- EXPECT_EQ(6, accum.ComputeSum()); |
- EXPECT_DOUBLE_EQ(1.5, accum.ComputeMean()); |
- EXPECT_NEAR(2.26666, accum.ComputeWeightedMean(kLearningRate), 0.01); |
- EXPECT_DOUBLE_EQ(1.25, accum.ComputeVariance()); |
- EXPECT_EQ(0, accum.ComputeMin()); |
- EXPECT_EQ(3, accum.ComputeMax()); |
-} |
- |
-TEST(RollingAccumulatorTest, RollingSamples) { |
- RollingAccumulator<int> accum(10); |
- for (int i = 0; i < 12; ++i) { |
- accum.AddSample(i); |
- } |
- |
- EXPECT_EQ(10U, accum.count()); |
- EXPECT_EQ(65, accum.ComputeSum()); |
- EXPECT_DOUBLE_EQ(6.5, accum.ComputeMean()); |
- EXPECT_NEAR(10.0, accum.ComputeWeightedMean(kLearningRate), 0.01); |
- EXPECT_NEAR(9.0, accum.ComputeVariance(), 1.0); |
- EXPECT_EQ(2, accum.ComputeMin()); |
- EXPECT_EQ(11, accum.ComputeMax()); |
-} |
- |
-TEST(RollingAccumulatorTest, ResetSamples) { |
- RollingAccumulator<int> accum(10); |
- |
- for (int i = 0; i < 10; ++i) { |
- accum.AddSample(100); |
- } |
- EXPECT_EQ(10U, accum.count()); |
- EXPECT_DOUBLE_EQ(100.0, accum.ComputeMean()); |
- EXPECT_EQ(100, accum.ComputeMin()); |
- EXPECT_EQ(100, accum.ComputeMax()); |
- |
- accum.Reset(); |
- EXPECT_EQ(0U, accum.count()); |
- |
- for (int i = 0; i < 5; ++i) { |
- accum.AddSample(i); |
- } |
- |
- EXPECT_EQ(5U, accum.count()); |
- EXPECT_EQ(10, accum.ComputeSum()); |
- EXPECT_DOUBLE_EQ(2.0, accum.ComputeMean()); |
- EXPECT_EQ(0, accum.ComputeMin()); |
- EXPECT_EQ(4, accum.ComputeMax()); |
-} |
- |
-TEST(RollingAccumulatorTest, RollingSamplesDouble) { |
- RollingAccumulator<double> accum(10); |
- for (int i = 0; i < 23; ++i) { |
- accum.AddSample(5 * i); |
- } |
- |
- EXPECT_EQ(10u, accum.count()); |
- EXPECT_DOUBLE_EQ(875.0, accum.ComputeSum()); |
- EXPECT_DOUBLE_EQ(87.5, accum.ComputeMean()); |
- EXPECT_NEAR(105.049, accum.ComputeWeightedMean(kLearningRate), 0.1); |
- EXPECT_NEAR(229.166667, accum.ComputeVariance(), 25); |
- EXPECT_DOUBLE_EQ(65.0, accum.ComputeMin()); |
- EXPECT_DOUBLE_EQ(110.0, accum.ComputeMax()); |
-} |
- |
-TEST(RollingAccumulatorTest, ComputeWeightedMeanCornerCases) { |
- RollingAccumulator<int> accum(10); |
- EXPECT_DOUBLE_EQ(0.0, accum.ComputeWeightedMean(kLearningRate)); |
- EXPECT_DOUBLE_EQ(0.0, accum.ComputeWeightedMean(0.0)); |
- EXPECT_DOUBLE_EQ(0.0, accum.ComputeWeightedMean(1.1)); |
- |
- for (int i = 0; i < 8; ++i) { |
- accum.AddSample(i); |
- } |
- |
- EXPECT_DOUBLE_EQ(3.5, accum.ComputeMean()); |
- EXPECT_DOUBLE_EQ(3.5, accum.ComputeWeightedMean(0)); |
- EXPECT_DOUBLE_EQ(3.5, accum.ComputeWeightedMean(1.1)); |
- EXPECT_NEAR(6.0, accum.ComputeWeightedMean(kLearningRate), 0.1); |
-} |
- |
-} // namespace rtc |