4 // Copyright (c) 2008 Jérémie "Garuma" Laval
6 // Permission is hereby granted, free of charge, to any person obtaining a copy
7 // of this software and associated documentation files (the "Software"), to deal
8 // in the Software without restriction, including without limitation the rights
9 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 // copies of the Software, and to permit persons to whom the Software is
11 // furnished to do so, subject to the following conditions:
13 // The above copyright notice and this permission notice shall be included in
14 // all copies or substantial portions of the Software.
16 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
27 using System
.Threading
;
28 using System
.Collections
.Concurrent
;
30 namespace MonoTests
.System
.Threading
.Tasks
32 static class ParallelTestHelper
34 const int NumRun
= 100;
36 public static void Repeat (Action action
)
38 Repeat (action
, NumRun
);
41 public static void Repeat (Action action
, int numRun
)
43 for (int i
= 0; i
< numRun
; i
++) {
48 public static void ParallelStressTest
<TSource
>(TSource obj
, Action
<TSource
> action
)
50 ParallelStressTest(obj
, action
, Environment
.ProcessorCount
+ 2);
53 public static void ParallelStressTest
<TSource
>(TSource obj
, Action
<TSource
> action
, int numThread
)
55 Thread
[] threads
= new Thread
[numThread
];
56 for (int i
= 0; i
< numThread
; i
++) {
57 threads
[i
] = new Thread(new ThreadStart(delegate { action(obj); }
));
61 // Wait for the completion
62 for (int i
= 0; i
< numThread
; i
++)
66 public static void ParallelAdder(IProducerConsumerCollection
<int> collection
, int numThread
)
69 ParallelTestHelper
.ParallelStressTest(collection
, delegate (IProducerConsumerCollection
<int> c
) {
70 int start
= Interlocked
.Add(ref startIndex
, 10);
71 for (int i
= start
; i
< start
+ 10; i
++) {
77 public static void ParallelRemover(IProducerConsumerCollection
<int> collection
, int numThread
, int times
)
80 ParallelTestHelper
.ParallelStressTest(collection
, delegate (IProducerConsumerCollection
<int> c
) {
81 int num
= Interlocked
.Increment(ref t
);
84 c
.TryTake (out value);