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35 lines
1.3 KiB
35 lines
1.3 KiB
//===---------------------------------------------------------------------===// |
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// statistics_test - Unit tests for src/statistics.cc |
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//===---------------------------------------------------------------------===// |
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#include "../src/statistics.h" |
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#include "gtest/gtest.h" |
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namespace { |
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TEST(StatisticsTest, Mean) { |
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EXPECT_DOUBLE_EQ(benchmark::StatisticsMean({42, 42, 42, 42}), 42.0); |
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EXPECT_DOUBLE_EQ(benchmark::StatisticsMean({1, 2, 3, 4}), 2.5); |
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EXPECT_DOUBLE_EQ(benchmark::StatisticsMean({1, 2, 5, 10, 10, 14}), 7.0); |
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} |
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TEST(StatisticsTest, Median) { |
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EXPECT_DOUBLE_EQ(benchmark::StatisticsMedian({42, 42, 42, 42}), 42.0); |
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EXPECT_DOUBLE_EQ(benchmark::StatisticsMedian({1, 2, 3, 4}), 2.5); |
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EXPECT_DOUBLE_EQ(benchmark::StatisticsMedian({1, 2, 5, 10, 10}), 5.0); |
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} |
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TEST(StatisticsTest, StdDev) { |
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EXPECT_DOUBLE_EQ(benchmark::StatisticsStdDev({101, 101, 101, 101}), 0.0); |
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EXPECT_DOUBLE_EQ(benchmark::StatisticsStdDev({1, 2, 3}), 1.0); |
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EXPECT_DOUBLE_EQ(benchmark::StatisticsStdDev({2.5, 2.4, 3.3, 4.2, 5.1}), |
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1.151086443322134); |
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} |
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TEST(StatisticsTest, CV) { |
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EXPECT_DOUBLE_EQ(benchmark::StatisticsCV({101, 101, 101, 101}), 0.0); |
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EXPECT_DOUBLE_EQ(benchmark::StatisticsCV({1, 2, 3}), 1. / 2.); |
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EXPECT_DOUBLE_EQ(benchmark::StatisticsCV({2.5, 2.4, 3.3, 4.2, 5.1}), |
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0.32888184094918121); |
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} |
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} // end namespace
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