Xamarin Public Jenkins f3e3aab35a Imported Upstream version 4.3.2.467
Former-commit-id: 9c2cb47f45fa221e661ab616387c9cda183f283d
2016-02-22 11:00:01 -05:00

107 lines
3.1 KiB
C#

//
// ActionBlockTest.cs
//
// Author:
// Jérémie "garuma" Laval <jeremie.laval@gmail.com>
// Petr Onderka <gsvick@gmail.com>
//
// Copyright (c) 2011 Jérémie "garuma" Laval
// Copyright (c) 2012 Petr Onderka
//
// 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.Linq;
using System.Threading;
using System.Threading.Tasks;
using System.Threading.Tasks.Dataflow;
using NUnit.Framework;
namespace MonoTests.System.Threading.Tasks.Dataflow {
[TestFixture]
public class ActionBlockTest {
[Test]
public void BasicUsageTest ()
{
bool[] array = new bool[3];
var evt = new CountdownEvent (array.Length);
var block = new ActionBlock<int> (i => { array[i] = true; evt.Signal (); });
for (int i = 0; i < array.Length; ++i)
Assert.IsTrue (block.Post (i), "Not accepted");
Assert.IsTrue (evt.Wait (1000));
Assert.IsTrue (array.All (b => b), "Some false");
}
[Test]
public void CompleteTest ()
{
var block = new ActionBlock<int> (i => Thread.Sleep (100));
for (int i = 0; i < 10; i++)
Assert.IsTrue (block.Post (i), "Not Accepted");
block.Complete ();
// Still element to be processed so Completion should be false
Assert.IsFalse (block.Completion.IsCompleted);
block.Completion.Wait ();
Assert.IsTrue (block.Completion.IsCompleted);
}
[Test]
public void AsyncNullTest()
{
var scheduler = new TestScheduler ();
var block = new ActionBlock<int> (
i => null,
new ExecutionDataflowBlockOptions { TaskScheduler = scheduler });
Assert.IsTrue (block.Post (1));
scheduler.ExecuteAll ();
Assert.IsFalse (block.Completion.Wait (100));
block.Complete ();
Assert.IsTrue (block.Completion.Wait (1000));
}
[Test]
public void AsyncCancelledTest()
{
var scheduler = new TestScheduler ();
var block = new ActionBlock<int> (
i =>
{
var tcs = new TaskCompletionSource<int> ();
tcs.SetCanceled ();
return tcs.Task;
}, new ExecutionDataflowBlockOptions { TaskScheduler = scheduler });
Assert.IsTrue (block.Post (1));
scheduler.ExecuteAll ();
Assert.IsFalse (block.Completion.Wait (100));
}
}
}