Function FL_TEST_FILE

tests/fl/stl/multi_set.cpp:5–442

#include "test.h"

FL_TEST_FILE(FL_FILEPATH) {

using namespace fl;

FL_TEST_CASE("fl::multi_set basic operations") {
    fl::multi_set<int> ms;

    FL_SUBCASE("Empty multiset") {
        FL_CHECK(ms.empty());
        FL_CHECK(ms.size() == 0);
    }

    FL_SUBCASE("Insert single element") {
        auto it = ms.insert(42);
        FL_CHECK(ms.size() == 1);
        FL_CHECK(ms.contains(42));
        FL_CHECK(*it == 42);
    }

    FL_SUBCASE("Insert duplicate keys") {
        ms.insert(5);
        ms.insert(5);
        ms.insert(5);

        FL_CHECK(ms.size() == 3);
        FL_CHECK(ms.count(5) == 3);

        // All values should be findable
        auto range = ms.equal_range(5);
        int count = 0;
        for (auto it = range.first; it != range.second; ++it) {
            count++;
        }
        FL_CHECK(count == 3);
    }

    FL_SUBCASE("Insert different keys") {
        ms.insert(1);
        ms.insert(2);
        ms.insert(3);

        FL_CHECK(ms.size() == 3);
        FL_CHECK(ms.count(1) == 1);
        FL_CHECK(ms.count(2) == 1);
        FL_CHECK(ms.count(3) == 1);
    }

    FL_SUBCASE("Find operations") {
        ms.insert(10);
        ms.insert(20);

        auto it = ms.find(10);
        FL_CHECK(it != ms.end());
        FL_CHECK(*it == 10);

        auto missing = ms.find(999);
        FL_CHECK(missing == ms.end());
    }