// ***********************************************************************
// Copyright (c) 2018 Charlie Poole, Rob Prouse
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
// ***********************************************************************

#if ASYNC
using System.Threading.Tasks;

namespace NUnit.Framework
{
    // Make sure other tests are testing what we think they’re testing
    public static class AsyncExecutionApiAdapterTests
    {
        [TestCaseSource(typeof(AsyncExecutionApiAdapter), nameof(AsyncExecutionApiAdapter.All))]
        public static void ExecutesAsyncUserCode(AsyncExecutionApiAdapter adapter)
        {
            var didExecute = false;

            adapter.Execute(async () =>
            {
#if NET40
                await TaskEx.Yield();
#else
                await Task.Yield();
#endif
                didExecute = true;
            });

            Assert.That(didExecute);
        }
    }
}
#endif

Make sure async API tests are testing what we think they’re testing
Make sure async API tests are testing what we think they’re testing
