#include <catch2/catch_template_test_macros.hpp>
#include <catch2/catch_test_macros.hpp>

#include "BinaryOperatorFactory.hpp"

TEMPLATE_TEST_CASE("BinaryOperatorFactory", "[calculator-challenge]", std::int64_t, double)
{
    constexpr TestType kLeftOperand{20};
    constexpr TestType kRightOperand{2};

    BinaryOperatorFactory<TestType> factory;

    auto check_factory = [&](std::string_view str, TestType result) {
        auto operation = factory.make(str);
        if (!operation.has_value()) {
            return false;
        }
        return (*operation)(kLeftOperand, kRightOperand) == result;
    };

    CHECK(check_factory("+", kLeftOperand + kRightOperand));
    CHECK(check_factory("  + ", kLeftOperand + kRightOperand));
    CHECK(check_factory("  +", kLeftOperand + kRightOperand));
    CHECK(check_factory("+   ", kLeftOperand + kRightOperand));
    CHECK(check_factory("+   a", kLeftOperand + kRightOperand));
    CHECK(check_factory("-", kLeftOperand - kRightOperand));
    CHECK(check_factory("*", kLeftOperand * kRightOperand));
    CHECK(check_factory("/", kLeftOperand / kRightOperand));
}