math.cpp

/*
    SPDX-License-Identifier: MIT
    Copyright © 2023 Amebis
*/
 
#include "pch.h"
 
using namespace std;
#ifdef _WIN32
using namespace Microsoft::VisualStudio::CppUnitTestFramework;
#endif
 
namespace UnitTests
{
    TEST_CLASS(math)
    {
    public:
        TEST_METHOD(mul)
        {
            Assert::AreEqual<size_t>(10, stdex::mul(2, 5));
            Assert::AreEqual<size_t>(10, stdex::mul(5, 2));
            Assert::AreEqual<size_t>(0, stdex::mul(0, 10));
            Assert::AreEqual<size_t>(0, stdex::mul(10, 0));
            Assert::AreEqual<size_t>(0, stdex::mul(SIZE_MAX, 0));
            Assert::AreEqual<size_t>(0, stdex::mul(0, SIZE_MAX));
            Assert::AreEqual<size_t>(SIZE_MAX, stdex::mul(SIZE_MAX, 1));
            Assert::AreEqual<size_t>(SIZE_MAX, stdex::mul(1, SIZE_MAX));
            Assert::ExpectException<std::invalid_argument>([] { stdex::mul(SIZE_MAX, 2); });
            Assert::ExpectException<std::invalid_argument>([] { stdex::mul(2, SIZE_MAX); });
        }
 
        TEST_METHOD(add)
        {
            Assert::AreEqual<size_t>(7, stdex::add(2, 5));
            Assert::AreEqual<size_t>(7, stdex::add(5, 2));
            Assert::AreEqual<size_t>(10, stdex::add(0, 10));
            Assert::AreEqual<size_t>(10, stdex::add(10, 0));
            Assert::AreEqual<size_t>(SIZE_MAX, stdex::add(SIZE_MAX, 0));
            Assert::AreEqual<size_t>(SIZE_MAX, stdex::add(0, SIZE_MAX));
            Assert::ExpectException<std::invalid_argument>([] { stdex::add(SIZE_MAX, 1); });
            Assert::ExpectException<std::invalid_argument>([] { stdex::add(1, SIZE_MAX); });
        }
    };
}