#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({-1, -2 , -5}, min, max);
    CHECK(min == -5);
    CHECK(max == -1);
}

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

TEST_CASE("equal elements") {
    double min = 0;
    double max = 0;
    find_minmax({1,1,1,1}, min, max);
    CHECK(min == 1);
    CHECK(max == 1);
}

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