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//===---------------------------------------------------------------------===//
// statistics_test - Unit tests for src/statistics.cc
//===---------------------------------------------------------------------===//
#include "../src/statistics.h"
#include "gtest/gtest.h"
namespace {
TEST(StatisticsTest, Mean) {
std::vector<double> Inputs;
{
Inputs = {42, 42, 42, 42};
double Res = benchmark::StatisticsMean(Inputs);
EXPECT_DOUBLE_EQ(Res, 42.0);
}
{
Inputs = {1, 2, 3, 4};
double Res = benchmark::StatisticsMean(Inputs);
EXPECT_DOUBLE_EQ(Res, 2.5);
}
{
Inputs = {1, 2, 5, 10, 10, 14};
double Res = benchmark::StatisticsMean(Inputs);
EXPECT_DOUBLE_EQ(Res, 7.0);
}
}
TEST(StatisticsTest, Median) {
std::vector<double> Inputs;
{
Inputs = {42, 42, 42, 42};
double Res = benchmark::StatisticsMedian(Inputs);
EXPECT_DOUBLE_EQ(Res, 42.0);
}
{
Inputs = {1, 2, 3, 4};
double Res = benchmark::StatisticsMedian(Inputs);
EXPECT_DOUBLE_EQ(Res, 2.5);
}
{
Inputs = {1, 2, 5, 10, 10};
double Res = benchmark::StatisticsMedian(Inputs);
EXPECT_DOUBLE_EQ(Res, 5.0);
}
}
TEST(StatisticsTest, StdDev) {
std::vector<double> Inputs;
{
Inputs = {101, 101, 101, 101};
double Res = benchmark::StatisticsStdDev(Inputs);
EXPECT_DOUBLE_EQ(Res, 0.0);
}
{
Inputs = {1, 2, 3};
double Res = benchmark::StatisticsStdDev(Inputs);
EXPECT_DOUBLE_EQ(Res, 1.0);
}
}
} // end namespace
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