88 lines
2.8 KiB
C#
88 lines
2.8 KiB
C#
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// TestHelper.cs
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//
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// Copyright (c) 2008 Jérémie "Garuma" Laval
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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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//
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//
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using System;
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using System.Threading;
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using System.Collections.Concurrent;
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namespace MonoTests.System.Collections.Concurrent
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{
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static class ParallelTestHelper
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{
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const int NumRun = 500;
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public static void Repeat (Action action)
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{
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Repeat (action, NumRun);
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}
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public static void Repeat (Action action, int numRun)
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{
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for (int i = 0; i < numRun; i++) {
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action ();
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}
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}
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public static void ParallelStressTest<TSource>(TSource obj, Action<TSource> action)
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{
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ParallelStressTest(obj, action, Environment.ProcessorCount + 2);
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}
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public static void ParallelStressTest<TSource>(TSource obj, Action<TSource> action, int numThread)
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{
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Thread[] threads = new Thread[numThread];
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for (int i = 0; i < numThread; i++) {
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threads[i] = new Thread(new ThreadStart(delegate { action(obj); }));
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threads[i].Start();
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}
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// Wait for the completion
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for (int i = 0; i < numThread; i++)
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threads[i].Join();
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}
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public static void ParallelAdder(IProducerConsumerCollection<int> collection, int numThread)
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{
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int startIndex = -10;
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ParallelTestHelper.ParallelStressTest(collection, delegate (IProducerConsumerCollection<int> c) {
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int start = Interlocked.Add(ref startIndex, 10);
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for (int i = start; i < start + 10; i++) {
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c.TryAdd(i);
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}
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}, numThread);
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}
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public static void ParallelRemover(IProducerConsumerCollection<int> collection, int numThread, int times)
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{
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int t = -1;
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ParallelTestHelper.ParallelStressTest(collection, delegate (IProducerConsumerCollection<int> c) {
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int num = Interlocked.Increment(ref t);
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int value;
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if (num < times)
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c.TryTake (out value);
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}, numThread);
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}
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}
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}
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