Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/tests/test-async-26.cs

@@ -0,0 +1,35 @@
+// Compiler options: -langversion:future
+
+using System;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace ConsoleApplication1
+{
+	class Program
+	{
+		public static Task<TResult> Run<TResult> (Func<Task<TResult>> function)
+		{
+			var t = Task<Task<TResult>>.Factory.StartNew (function);
+			return GetTaskResult (t);
+		}
+
+		async static Task<TResult> GetTaskResult<TResult> (Task<Task<TResult>> task)
+		{
+			return await task.Result;
+		}
+
+		public static int Main ()
+		{
+			var t2 = Run (() => Task<int>.Factory.StartNew (() => 5));
+
+			if (!t2.Wait (1000)) {
+				Console.WriteLine (t2.Status);
+				return 1;
+			}
+			
+			Console.WriteLine ("ok");
+			return 0;
+		}
+	}
+}