149 lines
4.2 KiB
C#
149 lines
4.2 KiB
C#
// BatchedJoinBlockTest.cs
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//
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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.Collections.Generic;
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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 BatchedJoinBlockTest {
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[Test]
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public void BasicUsageTest()
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{
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Tuple<IList<int>, IList<int>> result = null;
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var evt = new ManualResetEventSlim (false);
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var actionBlock = new ActionBlock<Tuple<IList<int>, IList<int>>> (r =>
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{
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result = r;
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evt.Set ();
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});
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var block = new BatchedJoinBlock<int, int> (2);
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block.LinkTo (actionBlock);
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// both targets once
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Assert.IsTrue (block.Target1.Post (1));
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Assert.IsFalse(evt.Wait(100));
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Assert.IsNull (result);
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Assert.IsTrue (block.Target2.Post (2));
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Assert.IsTrue (evt.Wait (1000));
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Assert.IsNotNull (result);
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CollectionAssert.AreEqual (new[] { 1 }, result.Item1);
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CollectionAssert.AreEqual (new[] { 2 }, result.Item2);
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result = null;
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evt.Reset ();
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// target 1 twice
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Assert.IsTrue (block.Target1.Post (3));
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Assert.IsFalse(evt.Wait(100));
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Assert.IsNull (result);
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Assert.IsTrue (block.Target1.Post (4));
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Assert.IsTrue (evt.Wait (1000));
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Assert.IsNotNull (result);
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CollectionAssert.AreEqual (new[] { 3, 4 }, result.Item1);
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CollectionAssert.IsEmpty (result.Item2);
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result = null;
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evt.Reset ();
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// target 2 twice
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Assert.IsTrue (block.Target2.Post (5));
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Assert.IsFalse(evt.Wait(100));
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Assert.IsNull (result);
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Assert.IsTrue (block.Target2.Post (6));
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Assert.IsTrue (evt.Wait (1000));
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Assert.IsNotNull (result);
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CollectionAssert.IsEmpty (result.Item1);
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CollectionAssert.AreEqual (new[] { 5, 6 }, result.Item2);
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}
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[Test]
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public void BoundedCapacityTest ()
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{
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AssertEx.Throws<ArgumentException> (
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() =>
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new BatchedJoinBlock<int, int> (2,
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new GroupingDataflowBlockOptions { BoundedCapacity = 3 }));
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}
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[Test]
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public void CompletionTest ()
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{
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var block = new BatchedJoinBlock<int, int> (2);
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Assert.IsTrue (block.Target1.Post (1));
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block.Complete ();
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Tuple<IList<int>, IList<int>> batch;
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Assert.IsTrue (block.TryReceive (out batch));
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CollectionAssert.AreEqual (new[] { 1 }, batch.Item1);
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CollectionAssert.IsEmpty (batch.Item2);
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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 MaxNumberOfGroupsTest ()
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{
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var scheduler = new TestScheduler ();
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var block = new BatchedJoinBlock<int, int> (1,
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new GroupingDataflowBlockOptions
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{ MaxNumberOfGroups = 2, TaskScheduler = scheduler });
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Assert.IsTrue (block.Target1.Post (1));
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Assert.IsTrue (block.Target2.Post (2));
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Assert.IsFalse (block.Target2.Post (3));
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Assert.IsFalse (block.Target1.Post (4));
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Tuple<IList<int>, IList<int>> batch;
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Assert.IsTrue (block.TryReceive (out batch));
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CollectionAssert.AreEqual (new[] { 1 }, batch.Item1);
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CollectionAssert.IsEmpty (batch.Item2);
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Assert.IsTrue (block.TryReceive (out batch));
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CollectionAssert.IsEmpty (batch.Item1);
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CollectionAssert.AreEqual (new[] { 2 }, batch.Item2);
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scheduler.ExecuteAll ();
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Assert.IsTrue (block.Completion.Wait (1000));
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}
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}
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} |