class/corlib/Test/System.Threading/AutoResetEventTest.cs

   1 //
   2 // AutoResetEventTest.cs - NUnit test cases for System.Threading.AutoResetEvent
   3 //
   4 // Author:
   5 //      Gonzalo Paniagua Javier (gonzalo@ximian.com)
   6 //      Gert Driesen <gert.driesen@telenet.be>
   7 //
   8 // Copyright 2005 Novell, Inc (http://www.novell.com)
   9 // Copyright 2007 Gert Driesen
  10 //
  11
  12 using NUnit.Framework;
  13 using System;
  14 using System.Threading;
  15 #if NET_2_0
  16 using Microsoft.Win32.SafeHandles;
  17 #endif
  18
  19 namespace MonoTests.System.Threading
  20 {
  21         [TestFixture]
  22         public class AutoResetEventTest
  23         {
  24                 [Test]
  25                 public void MultipleSet ()
  26                 {
  27                         AutoResetEvent evt = new AutoResetEvent (true);
  28                         Assert.IsTrue (evt.WaitOne (1000, false), "#1");
  29                         evt.Set ();
  30                         evt.Set ();
  31                         Assert.IsTrue (evt.WaitOne (1000, false), "#2");
  32                         Assert.IsFalse (evt.WaitOne (1000, false), "#3");
  33                 }
  34
  35 #if NET_2_0
  36                 [Test] // bug #81529
  37                 public void SafeWaitHandle ()
  38                 {
  39                         AutoResetEvent are1 = new AutoResetEvent (false);
  40                         AutoResetEvent are2 = new AutoResetEvent (false);
  41                         SafeWaitHandle swh1 = are1.SafeWaitHandle;
  42                         SafeWaitHandle swh2 = are2.SafeWaitHandle;
  43                         are1.SafeWaitHandle = are2.SafeWaitHandle;
  44                         Assert.AreSame (are1.SafeWaitHandle, are2.SafeWaitHandle, "#1");
  45                         Assert.AreEqual (are1.Handle, are2.Handle, "#2");
  46                         Assert.IsFalse (are1.SafeWaitHandle.IsInvalid, "#3");
  47                         Assert.IsFalse (are1.SafeWaitHandle.IsClosed, "#4");
  48                         Assert.IsFalse (swh1.IsClosed, "#5");
  49                         Assert.IsFalse (swh1.IsInvalid, "#6");
  50                         swh1.Dispose ();
  51                         are1.Close ();
  52                 }
  53
  54                 [Test] // bug #81529
  55                 public void SafeWaitHandle_Null ()
  56                 {
  57                         AutoResetEvent are1 = new AutoResetEvent (false);
  58                         SafeWaitHandle swh1 = are1.SafeWaitHandle;
  59                         are1.SafeWaitHandle = null;
  60                         Assert.IsNotNull (are1.SafeWaitHandle, "#1");
  61                         Assert.AreEqual (-1, (int) are1.Handle, "#2");
  62                         Assert.IsTrue (are1.SafeWaitHandle.IsInvalid, "#3");
  63                         Assert.IsFalse (are1.SafeWaitHandle.IsClosed, "#4");
  64                         Assert.IsFalse (swh1.IsClosed, "#5");
  65                         Assert.IsFalse (swh1.IsInvalid, "#6");
  66                 }
  67
  68                 [Test] // bug #81529
  69                 public void Handle_Valid ()
  70                 {
  71                         AutoResetEvent are1 = new AutoResetEvent (false);
  72                         SafeWaitHandle swh1 = are1.SafeWaitHandle;
  73                         Assert.IsFalse (swh1.IsClosed, "#1");
  74                         Assert.IsFalse (swh1.IsInvalid, "#2");
  75                         IntPtr dummyHandle = (IntPtr) 2;
  76                         are1.Handle = dummyHandle;
  77                         Assert.AreEqual (are1.Handle, dummyHandle, "#3");
  78                         Assert.IsFalse (swh1.IsClosed, "#4");
  79                         Assert.IsFalse (swh1.IsClosed, "#5");
  80                         Assert.IsFalse (swh1.IsInvalid, "#6");
  81                         Assert.IsFalse (are1.SafeWaitHandle.IsClosed, "#7");
  82                         Assert.IsFalse (are1.SafeWaitHandle.IsInvalid, "#8");
  83                         are1.Close ();
  84                         swh1.Dispose ();
  85                 }
  86
  87                 [Test] // bug #81529
  88                 public void Handle_Invalid ()
  89                 {
  90                         AutoResetEvent are1 = new AutoResetEvent (false);
  91                         SafeWaitHandle swh1 = are1.SafeWaitHandle;
  92                         are1.Handle = (IntPtr) (-1);
  93                         Assert.IsTrue (swh1 != are1.SafeWaitHandle, "#1");
  94                         Assert.IsFalse (swh1.IsClosed, "#2");
  95                         Assert.IsFalse (swh1.IsInvalid, "#3");
  96                         Assert.IsFalse (are1.SafeWaitHandle.IsClosed, "#4");
  97                         Assert.IsTrue (are1.SafeWaitHandle.IsInvalid, "#5");
  98                         are1.Close ();
  99                         swh1.Dispose ();
 100                 }
 101
 102                 [Test] // bug #81529
 103                 public void Handle_ZeroPtr ()
 104                 {
 105                         AutoResetEvent are1 = new AutoResetEvent (false);
 106                         SafeWaitHandle swh1 = are1.SafeWaitHandle;
 107                         are1.Handle = IntPtr.Zero;
 108                         Assert.IsTrue (swh1 != are1.SafeWaitHandle, "#1");
 109                         Assert.IsFalse (swh1.IsClosed, "#2");
 110                         Assert.IsFalse (swh1.IsInvalid, "#3");
 111                         Assert.IsFalse (are1.SafeWaitHandle.IsClosed, "#4");
 112                         Assert.IsTrue (are1.SafeWaitHandle.IsInvalid, "#5");
 113                         are1.Close ();
 114                         swh1.Dispose ();
 115                 }
 116 #endif
 117         }
 118 }