123 lines
3.3 KiB
C#
123 lines
3.3 KiB
C#
//
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// BufferBlockTest.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.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 BufferBlockTest {
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[Test]
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public void BasicUsageTest ()
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{
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int data = -1;
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var evt = new ManualResetEventSlim (false);
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var buffer = new BufferBlock<int> ();
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var action = new ActionBlock<int> (i =>
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{
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data = i;
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evt.Set ();
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});
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buffer.LinkTo (action);
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Assert.IsTrue (buffer.Post (42));
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evt.Wait ();
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Assert.AreEqual (42, data);
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}
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[Test]
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public void LateBindingTest ()
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{
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var buffer = new BufferBlock<int> ();
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var evt = new CountdownEvent (10);
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for (int i = 0; i < 10; i++)
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Assert.IsTrue (buffer.Post (i));
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var block = new ActionBlock<int> (i => evt.Signal ());
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buffer.LinkTo (block);
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evt.Wait ();
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}
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[Test]
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public void MultipleBindingTest ()
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{
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var buffer = new BufferBlock<int> ();
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var evt = new CountdownEvent (10);
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int count = 0;
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var block = new ActionBlock<int> (i =>
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{
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Interlocked.Decrement (ref count);
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evt.Signal ();
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});
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IDisposable bridge = buffer.LinkTo (block);
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for (int i = 0; i < 10; i++)
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Assert.IsTrue (buffer.Post (i));
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evt.Wait ();
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Assert.AreEqual (-10, count);
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count = 0;
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evt.Reset ();
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bridge.Dispose ();
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var block2 = new ActionBlock<int> (i =>
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{
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Interlocked.Increment (ref count);
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evt.Signal ();
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});
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buffer.LinkTo (block2);
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for (int i = 0; i < 10; i++)
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Assert.IsTrue (buffer.Post (i));
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evt.Wait ();
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Assert.AreEqual (10, count);
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}
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[Test]
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public void ConsumeToAcceptTest ()
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{
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var source = new TestSourceBlock<int> ();
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var buffer = new BufferBlock<int> ();
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var target = (ITargetBlock<int>)buffer;
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var header = new DataflowMessageHeader (1);
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source.AddMessage (header, 1);
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Assert.AreEqual (DataflowMessageStatus.Accepted,
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target.OfferMessage (header, 1, source, true));
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Assert.IsTrue (source.WasConsumed (header));
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Assert.IsFalse (source.WasReserved (header));
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}
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}
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} |