cs-lab34/unittest.cpp

#define DOCTEST_CONFIG_NO_MULTITHREADING
#define DOCTEST_CONFIG_IMPLEMENT_WITH_MAIN
#include "doctest.h"
#include "histogram_internal.h"

TEST_CASE("distinct positive numbers") {
    double min = 0;
    double max = 0;
    find_minmax({ 1, 2 }, min, max);
    CHECK(min == 1);
    CHECK(max == 2);
}

TEST_CASE("negative numbers") {
    double min = 0;
    double max = 0;
    find_minmax({ -10, 10 }, min, max);
    CHECK(min == -10);
    CHECK(max == 10);
}

TEST_CASE("empty numbers") {
    double min = 0;
    double max = 0;
    find_minmax({ }, min, max);
    CHECK(min != 0);
    CHECK(max != 0);
}

TEST_CASE("one number") {
    double min = 0;
    double max = 0;
    find_minmax({ 2 }, min, max);
    CHECK(min == 2);
    CHECK(max == 2);
}