cs-lab34/unittest.cpp

#define DOCTEST_CONFIG_NO_MULTITHREADING
#define DOCTEST_CONFIG_IMPLEMENT_WITH_MAIN
#include "doctest.h"
#include "histogram_internal.h"
#include <vector>

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

TEST_CASE("vector with one element") {
    double min = 0;
    double max = 0;
    find_minmax({1}, min, max);
    CHECK(min == 1);
    CHECK(max == 1);
}

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

TEST_CASE("empty vector") {
    double min = -1;
    double max = -1;
    find_minmax({}, min, max);
    CHECK(min == -1);  // Çíà÷åíèÿ íå äîëæíû èçìåíèòüñÿ
    CHECK(max == -1);
}