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 #if NET_4_0 || MOBILE
  30
  31 using System;
  32 using System.Threading;
  33
  34 using NUnit.Framework;
  35
  36 namespace MonoTests.System.Threading
  37 {
  38         [TestFixture]
  39         public class CancellationTokenTests
  40         {
  41                 [Test]
  42                 public void InitedWithFalseToken ()
  43                 {
  44                         CancellationToken tk = new CancellationToken (false);
  45                         Assert.IsFalse (tk.CanBeCanceled, "#1");
  46                         Assert.IsFalse (tk.IsCancellationRequested, "#2");
  47                 }
  48
  49                 [Test]
  50                 public void InitedWithTrueToken ()
  51                 {
  52                         CancellationToken tk = new CancellationToken (true);
  53                         Assert.IsTrue (tk.CanBeCanceled, "#1");
  54                         Assert.IsTrue (tk.IsCancellationRequested, "#2");
  55                 }
  56
  57                 [Test]
  58                 public void CancellationSourceNotCanceled ()
  59                 {
  60                         var src = new CancellationTokenSource ();
  61                         var tk = src.Token;
  62
  63                         Assert.IsTrue (tk.CanBeCanceled);
  64                         Assert.IsFalse (tk.IsCancellationRequested);
  65                 }
  66
  67                 [Test]
  68                 public void CancellationSourceCanceled ()
  69                 {
  70                         var src = new CancellationTokenSource ();
  71                         var tk = src.Token;
  72                         src.Cancel ();
  73
  74                         Assert.IsTrue (tk.CanBeCanceled, "#1");
  75                         Assert.IsTrue (tk.IsCancellationRequested, "#2");
  76                 }
  77
  78                 [Test]
  79                 public void UninitializedToken ()
  80                 {
  81                         var tk = new CancellationToken ();
  82                         Assert.IsFalse (tk.CanBeCanceled);
  83                         Assert.IsFalse (tk.IsCancellationRequested);
  84                 }
  85
  86                 [Test]
  87                 public void NoneProperty ()
  88                 {
  89                         var n = CancellationToken.None;
  90                         Assert.IsFalse (n.CanBeCanceled, "#1");
  91                         Assert.IsFalse (n.IsCancellationRequested, "#2");
  92                         Assert.AreEqual (n, CancellationToken.None, "#3");
  93
  94                         n.ThrowIfCancellationRequested ();
  95                         n.GetHashCode ();
  96                 }
  97         }
  98 }
  99 #endif