using System;

using System.Threading.Tasks;

​

public class Program

{

    public static void Main()

    {

        RunTest();

    }

​

    public static async void RunTest()

    {

        Test test = new Test();

        try

        {

            // This will generate an exception

            await test.TestVoidAsync();

        }

        catch(Exception e)

        {

            Console.WriteLine(e.Message);

        }

        try

        {

            // This will generate an exception

            await test.TestIntAsync();

        }

        catch(Exception e)

        {

            Console.WriteLine(e.Message);

        }

        try

        {

            // This is an example of the issue in PROIMP-1156 and will *NOT* generate an exception

            await Task.Run(() =>

            {

                test.TestTaskRunAsync();

            });

        }

        catch(Exception e)

        {

            Console.WriteLine(e.Message);

        }

        try

        {

            // This will generate an exception since the function TestTaskRunNonAsync is not asyncronous 

            await Task.Run(() =>

            {

                test.TestTaskRunNonAsync();

            });

        }

        catch(Exception e)

        {

            Console.WriteLine(e.Message);

        }

    }

}

​

public class Test

{   

    public async Task TestVoidAsync()

    {

        throw new Exception("TestVoidAsync");

    }

    public async Task<int> TestIntAsync()

    {

        throw new Exception("TestIntAsync");

    }

    public async Task<int> TestTaskRunAsync()

    {

        throw new Exception("TestTaskRunAsync");

    }

    public Task<int> TestTaskRunNonAsync()

    {

        throw new Exception("TestTaskRunNonAsync");

    }

}