cs-lab34.6/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") {
    bool res = false;
    double min = 0;
    double max = 0;
    find_minmax({1, 2}, min, max, res);
    CHECK(min == 1);
    CHECK(max == 2);
    CHECK(res==0);
}

TEST_CASE("negative numbers") {
    bool res = false;
    double min = 0;
    double max = 0;
    find_minmax({-1, -2}, min, max, res);
    CHECK(min == -2);
    CHECK(max == -1);
    CHECK(res==0);
}

TEST_CASE("empty array") {
    bool res = false;
    double min = 0;
    double max = 0;
    std::vector<double> numbers;
    find_minmax(numbers, min, max, res);
    CHECK(min == 0);
    CHECK(max == 0);
    CHECK(res==1);
}

TEST_CASE("1 number") {
    bool res = false;
    double min = 0;
    double max = 0;
    find_minmax({-1}, min, max, res);
    CHECK(min == -1);
    CHECK(max == -1);
    CHECK(res==0);
}

TEST_CASE("same number") {
    bool res = false;
    double min = 0;
    double max = 0;
    find_minmax({1,1,1,1}, min, max, res);
    CHECK(min == 1);
    CHECK(max == 1);
    CHECK(res==0);
}

TEST_CASE("same number but zero") {
    bool res = false;
    double min = 0;
    double max = 0;
    find_minmax({0,0,0,0}, min, max, res);
    CHECK(min == 0);
    CHECK(max == 0);
    CHECK(res==0);
}