--- /dev/null
+//
+// AsyncVoidMethodBuilderTest.cs
+//
+// Authors:
+// Marek Safar <marek.safar@gmail.com>
+//
+// Copyright (C) 2011 Xamarin, Inc (http://www.xamarin.com)
+//
+// 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.
+//
+
+using System;
+using System.Threading;
+using System.Threading.Tasks;
+using NUnit.Framework;
+using System.Runtime.CompilerServices;
+
+namespace MonoTests.System.Runtime.CompilerServices
+{
+ [TestFixture]
+ public class AsyncVoidMethodBuilderTest
+ {
+ class MyContext : SynchronizationContext
+ {
+ public int Started;
+ public int Completed;
+ public int PostCounter;
+ public int SendCounter;
+
+ public override void OperationStarted ()
+ {
+ ++Started;
+ base.OperationStarted ();
+ }
+
+ public override void OperationCompleted ()
+ {
+ ++Completed;
+ base.OperationCompleted ();
+ }
+
+ public override void Post (SendOrPostCallback d, object state)
+ {
+ ++PostCounter;
+ base.Post (d, state);
+ }
+
+ public override void Send (SendOrPostCallback d, object state)
+ {
+ ++SendCounter;
+ base.Send (d, state);
+ }
+ }
+
+ [Test]
+ public void SetResult ()
+ {
+ var awaiter = AsyncVoidMethodBuilder.Create ();
+ awaiter.SetResult ();
+ }
+
+ [Test]
+ public void SetException ()
+ {
+ var context = new MyContext ();
+ try {
+ SynchronizationContext.SetSynchronizationContext (context);
+ var awaiter = AsyncVoidMethodBuilder.Create ();
+
+ Assert.AreEqual (1, context.Started, "#1");
+ Assert.AreEqual (0, context.Completed, "#2");
+ Assert.AreEqual (0, context.SendCounter, "#3");
+ Assert.AreEqual (0, context.PostCounter, "#4");
+
+ awaiter.SetException (new ApplicationException ());
+
+ Assert.AreEqual (1, context.Started, "#5");
+ Assert.AreEqual (1, context.Completed, "#6");
+ Assert.AreEqual (0, context.SendCounter, "#7");
+ Assert.AreEqual (1, context.PostCounter, "#8");
+
+ awaiter.SetResult ();
+
+ Assert.AreEqual (1, context.Started, "#9");
+ Assert.AreEqual (1, context.Completed, "#10");
+ Assert.AreEqual (0, context.SendCounter, "#11");
+ Assert.AreEqual (1, context.PostCounter, "#12");
+ } finally {
+ SynchronizationContext.SetSynchronizationContext (null);
+ }
+ }
+ }
+}
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