#include "pch.h"
#include "CppUnitTest.h"
#include "test.h"
#include <assert.h>
#include <chrono>
#include <ctime>
#include <cstdlib>
using namespace Microsoft::VisualStudio::CppUnitTestFramework;

void GenerateRandomArray(vector<int>& a,int sum)
{
	srand(time(0)); // 使用当前时间作为种子
	for (int i = 0; i < sum; i++) {
		a.push_back(i);
	}
}


namespace UnitTest1
{
	TEST_CLASS(UnitTest1)
	{
	public:
		
		TEST_METHOD(TestMethod1)
		{
			vector<int> arr = { 5,8,4,3,9,1 };
			const vector<int> expect = { 1,3,4,5,8,9 };
			selectionSort(arr);
			for(int i= 0;i < arr.size();i++)
			{
				Assert::AreEqual(expect.at(i), arr.at(i));
			}
		}
		TEST_METHOD(TestEmptyArr)
		{
			vector<int> arr = {};
			selectionSort(arr);
			Assert::IsTrue(true);
			
		}
		BEGIN_TEST_METHOD_ATTRIBUTE(TestRunTime)
			TEST_METHOD_ATTRIBUTE(L"RUN","TIME")
		END_TEST_METHOD_ATTRIBUTE(TestRunTime)
		TEST_METHOD(TestRunTime)
		{
			vector<int> arr;
			GenerateRandomArray(arr, 10000); // 生成随机数组
			auto start = std::chrono::high_resolution_clock::now();
			selectionSort(arr);
			auto end = std::chrono::high_resolution_clock::now();
			auto duration = std::chrono::duration_cast<std::chrono::milliseconds>(end - start);
			Logger::WriteMessage(("Time: " + std::to_string(duration.count()) + "ms").c_str());
			Assert::IsTrue(duration.count() < 10000); // 设定阈值
		}
	};
}