mono/mcs/class/corlib/Test/System.Threading.Tasks/FutureTests.cs

#if NET_4_0
// TaskTests.cs
//
// Copyright (c) 2008 Jérémie "Garuma" Laval
//
// 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;

namespace MonoTests.System.Threading.Tasks
{
	[TestFixture]
	public class FutureTests
	{
		Task<int> InitTestTask()
		{
			return Task.Factory.StartNew<int> (() => 5);
		}
		
		[Test]
		public void SimpleTaskTestCase ()
		{
			Task<int> f = InitTestTask ();
			
			Assert.IsNotNull(f, "#1");
			Assert.AreEqual(5, f.Result, "#2");
		}
		
		[Test]
		public void TaskContinueWithTestCase ()
		{
			bool result = false;
			
			Task<int> f = InitTestTask ();
			Task<int> cont = f.ContinueWith ((future) => { result = true; return future.Result * 2; });
			f.Wait ();
			cont.Wait ();
			
			Assert.IsNotNull (cont, "#1");
			Assert.IsTrue (result, "#2");
			Assert.AreEqual (10, cont.Result);
		}
	}
}
#endif