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

using namespace std;

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

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("identical elements vector") {
    double min = 0;
    double max = 0;
    find_minmax({3,3,3,3}, min, max);
    CHECK(min == 3);
    CHECK(max == 3);
}

TEST_CASE("empty vector") {
    double min = 0;
    double max = 0;
    bool result = find_minmax({}, min, max);
    CHECK(result == false);
}

TEST_CASE("bin color") {
    size_t max_bin = 10;
    size_t min_bin = 3;
    string rat = "#" + to_string(10 - (min_bin * 9) / max_bin) + to_string(10 - (min_bin * 9) / max_bin) + to_string(10 - (min_bin * 9) / max_bin);
    auto test1 = bin_color(max_bin,max_bin);
    auto test2 = bin_color(min_bin,max_bin);
    CHECK(test1 == "#111");
    CHECK(test2 == rat);
}