116 lines
3.3 KiB
C#
116 lines
3.3 KiB
C#
//
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// TransformBlockTest.cs
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//
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// Author:
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// Jérémie "garuma" Laval <jeremie.laval@gmail.com>
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// Petr Onderka <gsvick@gmail.com>
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//
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// Copyright (c) 2011 Jérémie "garuma" Laval
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// Copyright (c) 2012 Petr Onderka
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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using System;
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using System.Threading;
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using System.Threading.Tasks;
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using System.Threading.Tasks.Dataflow;
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using NUnit.Framework;
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namespace MonoTests.System.Threading.Tasks.Dataflow {
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[TestFixture]
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public class TransformBlockTest {
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[Test]
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public void BasicUsageTest ()
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{
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int[] array = new int[10];
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var evt = new CountdownEvent (10);
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var action = new ActionBlock<int> (i =>
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{
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array [Math.Abs (i)] = i;
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evt.Signal ();
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});
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var block = new TransformBlock<int, int> (i => -i);
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block.LinkTo (action);
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for (int i = 0; i < array.Length; ++i)
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Assert.IsTrue (block.Post (i), "Not accepted");
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evt.Wait ();
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CollectionAssert.AreEqual (
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new[] { 0, -1, -2, -3, -4, -5, -6, -7, -8, -9 }, array);
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}
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[Test]
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public void DeferredUsageTest ()
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{
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int[] array = new int[10];
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var action = new ActionBlock<int> (i => array[Math.Abs (i)] = i);
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var block = new TransformBlock<int, int> (i => -i);
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for (int i = 0; i < array.Length; ++i)
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Assert.IsTrue (block.Post (i), "Not accepted");
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Thread.Sleep (600);
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block.LinkTo (action);
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Thread.Sleep (300);
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CollectionAssert.AreEqual (new[] { 0, -1, -2, -3, -4, -5, -6, -7, -8, -9 }, array);
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}
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[Test]
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public void AsyncNullTest ()
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{
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var scheduler = new TestScheduler ();
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var block = new TransformBlock<int, int> (
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i => null,
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new ExecutionDataflowBlockOptions { TaskScheduler = scheduler });
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Assert.IsTrue (block.Post (1));
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scheduler.ExecuteAll ();
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Assert.IsFalse (block.Completion.Wait (100));
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block.Complete ();
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Assert.IsTrue (block.Completion.Wait (1000));
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}
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[Test]
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public void AsyncCancelledTest ()
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{
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var scheduler = new TestScheduler ();
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var block = new TransformBlock<int, int> (
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i =>
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{
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var tcs = new TaskCompletionSource<int> ();
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tcs.SetCanceled ();
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return tcs.Task;
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}, new ExecutionDataflowBlockOptions { TaskScheduler = scheduler });
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Assert.IsTrue (block.Post (1));
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scheduler.ExecuteAll ();
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Assert.IsFalse (block.Completion.Wait (100));
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}
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}
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} |