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

131 lines
4.1 KiB
C#

// BatchedJoinBlockTest.cs
//
// 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;
using System.Collections.Generic;
using System.Threading;
using System.Threading.Tasks.Dataflow;
using NUnit.Framework;
namespace MonoTests.System.Threading.Tasks.Dataflow {
[TestFixture]
public class BatchedJoinBlock3Test {
[Test]
public void BasicUsageTest ()
{
Tuple<IList<int>, IList<int>, IList<string>> result = null;
var evt = new ManualResetEventSlim (false);
var actionBlock =
new ActionBlock<Tuple<IList<int>, IList<int>, IList<string>>> (r =>
{
result = r;
evt.Set ();
});
var block = new BatchedJoinBlock<int, int, string> (3);
block.LinkTo (actionBlock);
// all targets once
Assert.IsTrue (block.Target1.Post (1));
Assert.IsTrue (block.Target2.Post (2));
Assert.IsFalse (evt.Wait (100));
Assert.IsNull (result);
Assert.IsTrue (block.Target3.Post ("foo"));
Assert.IsTrue (evt.Wait (1000));
Assert.IsNotNull (result);
CollectionAssert.AreEqual (new[] { 1 }, result.Item1);
CollectionAssert.AreEqual (new[] { 2 }, result.Item2);
CollectionAssert.AreEqual (new[] { "foo" }, result.Item3);
}
[Test]
public void BoundedCapacityTest ()
{
AssertEx.Throws<ArgumentException> (
() =>
new BatchedJoinBlock<int, int> (2,
new GroupingDataflowBlockOptions { BoundedCapacity = 3 }));
}
[Test]
public void CompletionTest ()
{
var block = new BatchedJoinBlock<int, int, int> (2);
Assert.IsTrue (block.Target1.Post (1));
block.Complete ();
Tuple<IList<int>, IList<int>, IList<int>> batch;
Assert.IsTrue (block.TryReceive (out batch), batch.ToString ());
CollectionAssert.AreEqual (new[] { 1 }, batch.Item1);
CollectionAssert.IsEmpty (batch.Item2);
CollectionAssert.IsEmpty (batch.Item3);
Assert.IsTrue (block.Completion.Wait (1000));
}
[Test]
public void MaxNumberOfGroupsTest ()
{
var scheduler = new TestScheduler ();
var block = new BatchedJoinBlock<int, int, int> (1,
new GroupingDataflowBlockOptions
{ MaxNumberOfGroups = 3, TaskScheduler = scheduler });
Assert.IsTrue (block.Target1.Post (1));
Assert.IsTrue (block.Target2.Post (2));
Assert.IsTrue (block.Target3.Post (3));
Assert.IsFalse (block.Target3.Post (4));
Assert.IsFalse (block.Target2.Post (5));
Assert.IsFalse (block.Target1.Post (6));
Tuple<IList<int>, IList<int>, IList<int>> batch;
Assert.IsTrue (block.TryReceive (out batch));
CollectionAssert.AreEqual (new[] { 1 }, batch.Item1);
CollectionAssert.IsEmpty (batch.Item2);
CollectionAssert.IsEmpty (batch.Item3);
Assert.IsTrue (block.TryReceive (out batch));
CollectionAssert.IsEmpty (batch.Item1);
CollectionAssert.AreEqual (new[] { 2 }, batch.Item2);
CollectionAssert.IsEmpty (batch.Item3);
Assert.IsTrue (block.TryReceive (out batch));
CollectionAssert.IsEmpty (batch.Item1);
CollectionAssert.IsEmpty (batch.Item2);
CollectionAssert.AreEqual (new[] { 3 }, batch.Item3);
scheduler.ExecuteAll ();
Assert.IsTrue (block.Completion.Wait (1000));
}
}
}