5 // Jérémie "garuma" Laval <jeremie.laval@gmail.com>
7 // Copyright (c) 2011 Jérémie "garuma" Laval
9 // Permission is hereby granted, free of charge, to any person obtaining a copy
10 // of this software and associated documentation files (the "Software"), to deal
11 // in the Software without restriction, including without limitation the rights
12 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
13 // copies of the Software, and to permit persons to whom the Software is
14 // furnished to do so, subject to the following conditions:
16 // The above copyright notice and this permission notice shall be included in
17 // all copies or substantial portions of the Software.
19 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
22 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
23 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
24 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
29 using System.Threading;
30 using System.Threading.Tasks;
31 using System.Threading.Tasks.Dataflow;
33 using NUnit.Framework;
35 namespace MonoTests.System.Threading.Tasks.Dataflow
38 public class BufferBlockTest
41 public void BasicUsageTest ()
44 var evt = new ManualResetEventSlim (false);
45 BufferBlock<int> buffer = new BufferBlock<int> ();
46 ActionBlock<int> action = new ActionBlock<int> ((i) => { data = i; evt.Set (); });
47 buffer.LinkTo (action);
49 Assert.IsTrue (buffer.Post (42));
51 Assert.AreEqual (42, data);
55 public void LateBindingTest ()
57 BufferBlock<int> buffer = new BufferBlock<int> ();
58 var evt = new CountdownEvent (10);
60 for (int i = 0; i < 10; i++)
61 Assert.IsTrue (buffer.Post (i));
63 ActionBlock<int> block = new ActionBlock<int> ((i) => evt.Signal ());
64 buffer.LinkTo (block);
70 public void MultipleBindingTest ()
72 BufferBlock<int> buffer = new BufferBlock<int> ();
73 var evt = new CountdownEvent (10);
77 ActionBlock<int> block = new ActionBlock<int> ((i) => { Interlocked.Decrement (ref count); evt.Signal (); });
78 IDisposable bridge = buffer.LinkTo (block);
79 for (int i = 0; i < 10; i++)
80 Assert.IsTrue (buffer.Post (i));
83 Assert.AreEqual (-10, count);
88 ActionBlock<int> block2 = new ActionBlock<int> ((i) => { Interlocked.Increment (ref count); evt.Signal (); });
89 buffer.LinkTo (block2);
90 for (int i = 0; i < 10; i++)
91 Assert.IsTrue (buffer.Post (i));
94 Assert.AreEqual (10, count);