using System;
using System.Reflection;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using System.Diagnostics;

// ...

public static class TestRunner
{
    // ...

    private static async Task<(bool, string)> RunTestMethodAsync<T>(T testClassInstance, MethodInfo testMethod, object[] parameters = null)
    {
        try
        {
            var stopwatch = Stopwatch.StartNew();
            
            var result = testMethod.Invoke(testClassInstance, parameters);
            if (result is Task task)
            {
                await task;
            }

            stopwatch.Stop();

            var message = $"Test '{testMethod.Name}' completed in {stopwatch.ElapsedMilliseconds} ms";
            Console.WriteLine(message);

            // Test başarılı
            return (true, message);
        }
        catch (Exception ex)
        {
            // ... önceki kod ...

            var message = $"Test '{testMethod.Name}' failed: {ex.Message}";
            Console.WriteLine(message);

            // Test başarısız
            return (false, message);
        }
    }

    public static async Task RunTestsAsync<T>(string suiteName = null)
    {
        // ...

        int passed = 0;
        int failed = 0;

        var testResults = new List<(bool, string)>();

        foreach (var testMethod in testMethods)
        {
            var testClassInstance = Activator.CreateInstance<T>();

            var result = await RunTestMethodAsync(testClassInstance, testMethod);
            testResults.Add(result);
            if (result.Item1)
            {
                passed++;
            }
            else
            {
                failed++;
            }
        }

        Console.WriteLine($"Total tests: {testMethods.Count}, Passed: {passed}, Failed: {failed}");

        foreach (var result in testResults)
        {
            Console.WriteLine(result.Item2);
        }
    }

    // ...
}