mcs/class/corlib/Test/System.Threading/CancellationTokenTests.cs

   1 //
   2 // CancellationTokenTests.cs
   3 //
   4 // Authors:
   5 //       Jérémie "Garuma" Laval <jeremie.laval@gmail.com>
   6 //       Marek Safar (marek.safar@gmail.com)
   7 //
   8 // Copyright (c) 2009 Jérémie "Garuma" Laval
   9 // Copyright 2011 Xamarin, Inc (http://www.xamarin.com)
  10 //
  11 // Permission is hereby granted, free of charge, to any person obtaining a copy
  12 // of this software and associated documentation files (the "Software"), to deal
  13 // in the Software without restriction, including without limitation the rights
  14 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  15 // copies of the Software, and to permit persons to whom the Software is
  16 // furnished to do so, subject to the following conditions:
  17 //
  18 // The above copyright notice and this permission notice shall be included in
  19 // all copies or substantial portions of the Software.
  20 //
  21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  22 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  23 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  24 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  25 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  26 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  27 // THE SOFTWARE.
  28
  29
  30 using System;
  31 using System.Threading;
  32
  33 using NUnit.Framework;
  34
  35 namespace MonoTests.System.Threading
  36 {
  37         [TestFixture]
  38         public class CancellationTokenTests
  39         {
  40                 [Test]
  41                 public void InitedWithFalseToken ()
  42                 {
  43                         CancellationToken tk = new CancellationToken (false);
  44                         Assert.IsFalse (tk.CanBeCanceled, "#1");
  45                         Assert.IsFalse (tk.IsCancellationRequested, "#2");
  46                 }
  47
  48                 [Test]
  49                 public void InitedWithTrueToken ()
  50                 {
  51                         CancellationToken tk = new CancellationToken (true);
  52                         Assert.IsTrue (tk.CanBeCanceled, "#1");
  53                         Assert.IsTrue (tk.IsCancellationRequested, "#2");
  54                 }
  55
  56                 [Test]
  57                 public void CancellationSourceNotCanceled ()
  58                 {
  59                         var src = new CancellationTokenSource ();
  60                         var tk = src.Token;
  61
  62                         Assert.IsTrue (tk.CanBeCanceled);
  63                         Assert.IsFalse (tk.IsCancellationRequested);
  64                 }
  65
  66                 [Test]
  67                 public void CancellationSourceCanceled ()
  68                 {
  69                         var src = new CancellationTokenSource ();
  70                         var tk = src.Token;
  71                         src.Cancel ();
  72
  73                         Assert.IsTrue (tk.CanBeCanceled, "#1");
  74                         Assert.IsTrue (tk.IsCancellationRequested, "#2");
  75                 }
  76
  77                 [Test]
  78                 public void UninitializedToken ()
  79                 {
  80                         var tk = new CancellationToken ();
  81                         Assert.IsFalse (tk.CanBeCanceled);
  82                         Assert.IsFalse (tk.IsCancellationRequested);
  83                 }
  84
  85                 [Test]
  86                 public void NoneProperty ()
  87                 {
  88                         var n = CancellationToken.None;
  89                         Assert.IsFalse (n.CanBeCanceled, "#1");
  90                         Assert.IsFalse (n.IsCancellationRequested, "#2");
  91                         Assert.AreEqual (n, CancellationToken.None, "#3");
  92
  93                         n.ThrowIfCancellationRequested ();
  94                         n.GetHashCode ();
  95                 }
  96
  97                 [Test]
  98                 public void DefaultCancellationTokenRegistration ()
  99                 {
 100                         var registration = new CancellationTokenRegistration ();
 101
 102                         // shouldn't throw
 103                         registration.Dispose ();
 104                 }
 105         }
 106 }