Imported Upstream version 4.0.0~alpha1

Former-commit-id: 806294f5ded97629b74c85c09952f2a74fe182d9

mcs/class/corlib/Test/System.Runtime.CompilerServices/AsyncTaskMethodBuilderTest.cs

@@ -0,0 +1,66 @@
+//
+// AsyncTaskMethodBuilderTest.cs
+//
+// Authors:
+//	Marek Safar  <marek.safar@gmail.com>
+//
+// Copyright (C) 2014 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;
+using System.Runtime.Remoting.Messaging;
+
+namespace MonoTests.System.Runtime.CompilerServices
+{
+	[TestFixture]
+	public class AsyncTaskMethodBuilderTest
+	{
+#if !MONOTOUCH
+		// For some reason MT excludes CallContext handling
+
+		[Test]
+		public void CallContextFlow ()
+		{
+			CallContext.LogicalSetData ("name0", "0");
+
+			Assert.IsTrue (Task.WhenAll (Work ("A"), Work ("B")).Wait (4000), "#0");
+			Assert.IsNull (CallContext.LogicalGetData ("A"), "#A");
+			Assert.IsNull (CallContext.LogicalGetData ("B"), "#B");
+		}
+
+		static async Task Work (string name)
+		{
+			Assert.AreEqual ("0", CallContext.LogicalGetData ("name0"), "#1" + name);
+			CallContext.LogicalSetData ("name", name);
+
+			await Task.Delay (10);
+
+			var found = CallContext.LogicalGetData ("name");
+			Assert.AreEqual (name, found, "#2" + name);
+		}
+#endif
+	}
+}