/mcs/class/corlib/Test/System.Threading/ParallelTests.cs
C# | 125 lines | 72 code | 16 blank | 37 comment | 0 complexity | 41f909b6f3ea75c62e81eb6dc642b33c MD5 | raw file
Possible License(s): LGPL-2.0, MPL-2.0-no-copyleft-exception, CC-BY-SA-3.0, GPL-2.0, LGPL-2.1
- #if NET_4_0
- // ParallelTests.cs
- //
- // Copyright (c) 2008 Jérémie "Garuma" Laval
- //
- // 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.Linq;
- using System.Reflection;
- using System.Threading;
- using System.IO;
- using System.Xml.Serialization;
- using System.Collections.Generic;
- using System.Collections.Concurrent;
- using NUnit;
- using NUnit.Core;
- using NUnit.Framework;
- namespace ParallelFxTests
- {
-
- [TestFixture()]
- public class ParallelTests
- {
-
- [Test]
- public void ParallelForTestCase ()
- {
- ParallelTestHelper.Repeat (() => {
- int[] expected = Enumerable.Range (1, 1000).Select ((e) => e * 2).ToArray ();
- int[] actual = Enumerable.Range (1, 1000).ToArray ();
- SpinWait sw = new SpinWait ();
-
- Parallel.For (0, actual.Length, (i) => { actual[i] *= 2; sw.SpinOnce (); });
-
- CollectionAssert.AreEquivalent (expected, actual, "#1, same");
- CollectionAssert.AreEqual (expected, actual, "#2, in order");
- });
- }
- [Test, ExpectedException (typeof (AggregateException))]
- public void ParallelForExceptionTestCase ()
- {
- Parallel.For(1, 100, delegate (int i) { throw new Exception("foo"); });
- }
-
- [Test]
- public void ParallelForSmallRangeTest ()
- {
- ParallelTestHelper.Repeat (() => {
- int test = -1;
- Parallel.For (0, 1, (i) => test = i);
-
- Assert.AreEqual (0, test, "#1");
- });
- }
-
- [Test]
- public void ParallelForNoOperationTest ()
- {
- bool launched = false;
- Parallel.For (4, 1, (i) => launched = true);
- Assert.IsFalse (launched, "#1");
- }
-
- [Test]
- public void ParallelForEachTestCase ()
- {
- ParallelTestHelper.Repeat (() => {
- IEnumerable<int> e = Enumerable.Repeat(1, 500);
- ConcurrentQueue<int> queue = new ConcurrentQueue<int> ();
- SpinWait sw = new SpinWait ();
- int count = 0;
-
- Parallel.ForEach (e, (element) => { Interlocked.Increment (ref count); queue.Enqueue (element); sw.SpinOnce (); });
-
- Assert.AreEqual (500, count, "#1");
- CollectionAssert.AreEquivalent (e, queue, "#2");
- });
- }
-
- [Test, ExpectedException (typeof (AggregateException))]
- public void ParallelForEachExceptionTestCase ()
- {
- IEnumerable<int> e = Enumerable.Repeat (1, 10);
- Parallel.ForEach (e, delegate (int element) { throw new Exception ("foo"); });
- }
-
- /* Disabled as this is an API addition
- [Test]
- public void ParallelWhileTestCase()
- {
- ParallelTestHelper.Repeat (() => {
- int i = 0;
- int count = 0;
-
- Parallel.While (() => Interlocked.Increment (ref i) <= 10, () => Interlocked.Increment (ref count));
-
- Assert.Greater(i, 10, "#1");
- Assert.AreEqual(10, count, "#2");
- });
- }*/
- }
- }
- #endif