1 //===---------------------------------------------------------------------===// 2 // statistics_test - Unit tests for src/statistics.cc 3 //===---------------------------------------------------------------------===// 4 5 #include "../src/statistics.h" 6 #include "gtest/gtest.h" 7 8 namespace { 9 TEST(StatisticsTest, Mean) { 10 EXPECT_DOUBLE_EQ(benchmark::StatisticsMean({42, 42, 42, 42}), 42.0); 11 EXPECT_DOUBLE_EQ(benchmark::StatisticsMean({1, 2, 3, 4}), 2.5); 12 EXPECT_DOUBLE_EQ(benchmark::StatisticsMean({1, 2, 5, 10, 10, 14}), 7.0); 13 } 14 15 TEST(StatisticsTest, Median) { 16 EXPECT_DOUBLE_EQ(benchmark::StatisticsMedian({42, 42, 42, 42}), 42.0); 17 EXPECT_DOUBLE_EQ(benchmark::StatisticsMedian({1, 2, 3, 4}), 2.5); 18 EXPECT_DOUBLE_EQ(benchmark::StatisticsMedian({1, 2, 5, 10, 10}), 5.0); 19 } 20 21 TEST(StatisticsTest, StdDev) { 22 EXPECT_DOUBLE_EQ(benchmark::StatisticsStdDev({101, 101, 101, 101}), 0.0); 23 EXPECT_DOUBLE_EQ(benchmark::StatisticsStdDev({1, 2, 3}), 1.0); 24 EXPECT_FLOAT_EQ(benchmark::StatisticsStdDev({1.5, 2.4, 3.3, 4.2, 5.1}), 25 1.42302495); 26 } 27 28 } // end namespace 29
