mcs/class/corlib/Test/System.Reflection/EventInfoTest.cs

   1 //
   2 // EventInfoTest
   3 //
   4 // Ben Maurer (bmaurer@ximian.com)
   5 //
   6 // Copyright (C) 2005 Novell, Inc (http://www.novell.com)
   7 //
   8 // Permission is hereby granted, free of charge, to any person obtaining
   9 // a copy of this software and associated documentation files (the
  10 // "Software"), to deal in the Software without restriction, including
  11 // without limitation the rights to use, copy, modify, merge, publish,
  12 // distribute, sublicense, and/or sell copies of the Software, and to
  13 // permit persons to whom the Software is furnished to do so, subject to
  14 // the following conditions:
  15 //
  16 // The above copyright notice and this permission notice shall be
  17 // included in all copies or substantial portions of the Software.
  18 //
  19 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  20 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  21 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  22 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  23 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  24 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  25 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  26 //
  27
  28 using System;
  29 using System.Threading;
  30 using System.Reflection;
  31 using System.Runtime.InteropServices;
  32
  33 using NUnit.Framework;
  34
  35 namespace MonoTests.System.Reflection
  36 {
  37         [TestFixture]
  38         public class EventInfoTest
  39         {
  40                 [Test]
  41                 public void IsDefined_AttributeType_Null ()
  42                 {
  43                         EventInfo priv = typeof (PrivateEvent).GetEvents (
  44                                 BindingFlags.Public | BindingFlags.NonPublic |
  45                                 BindingFlags.Static) [0];
  46
  47                         try {
  48                                 priv.IsDefined ((Type) null, false);
  49                                 Assert.Fail ("#1");
  50                         } catch (ArgumentNullException ex) {
  51                                 Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#2");
  52                                 Assert.IsNull (ex.InnerException, "#3");
  53                                 Assert.IsNotNull (ex.Message, "#4");
  54                                 Assert.IsNotNull (ex.ParamName, "#5");
  55                                 Assert.AreEqual ("attributeType", ex.ParamName, "#6");
  56                         }
  57                 }
  58
  59                 [Test]
  60                 public void TestGetXXXMethod ()
  61                 {
  62                         EventInfo priv = typeof (PrivateEvent).GetEvents (BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Static) [0];
  63                         Assert.IsNull (priv.GetAddMethod (), "#A1");
  64                         Assert.IsNull (priv.GetRaiseMethod (), "#A2");
  65                         Assert.IsNull (priv.GetRemoveMethod (), "#A3");
  66
  67                         EventInfo pub = typeof (PublicEvent).GetEvents (BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Static) [0];
  68                         Assert.IsNotNull (pub.GetAddMethod (), "#B1");
  69                         Assert.IsNull (pub.GetRaiseMethod (), "#B2");
  70                         Assert.IsNotNull (pub.GetRemoveMethod (), "#B3");
  71                 }
  72
  73 #if NET_2_0
  74                 [Test]
  75                 public void AddHandlerToNullInstanceEventRaisesTargetException ()
  76                 {
  77                         EventInfo ev = typeof (TestClass).GetEvent ("pub");
  78                         EventHandler dele = (a,b) => {};
  79                         try {
  80                                 ev.AddEventHandler (null, dele);
  81                                 Assert.Fail ("#1");
  82                         } catch (TargetException) {}
  83                 }
  84
  85                 [Test]
  86                 public void AddHandleToPrivateEventRaisesInvalidOperationException ()
  87                 {
  88                         EventInfo ev = typeof (TestClass).GetEvent ("priv", BindingFlags.NonPublic| BindingFlags.Instance);
  89                         EventHandler dele = (a,b) => {};
  90                         try {
  91                                 ev.AddEventHandler (new PrivateEvent (), dele);
  92                                 Assert.Fail ("#1");
  93                         } catch (InvalidOperationException) {}
  94                 }
  95
  96                 [Test]
  97                 public void AddHandlerWithIncompatibleTargetShouldRaiseTargetException ()
  98                 {
  99                         EventInfo ev = typeof (TestClass).GetEvent ("pub");
 100                         EventHandler dele = (a,b) => {};
 101                         try {
 102                                 ev.AddEventHandler (new PublicEvent (), dele);
 103                                 Assert.Fail ("#1");
 104                         } catch (TargetException) {}
 105                 }
 106
 107                 [Test]
 108                 public void RemoveHandleToPrivateEventRaisesInvalidOperationException ()
 109                 {
 110                         EventInfo ev = typeof (TestClass).GetEvent ("priv", BindingFlags.NonPublic| BindingFlags.Instance);
 111                         EventHandler dele = (a,b) => {};
 112                         try {
 113                                 ev.RemoveEventHandler (new PrivateEvent (), dele);
 114                                 Assert.Fail ("#1");
 115                         } catch (InvalidOperationException) {}
 116                 }
 117 #endif
 118
 119 #pragma warning disable 67
 120                 public class PrivateEvent
 121                 {
 122                         private static event EventHandler x;
 123                 }
 124
 125                 public class PublicEvent
 126                 {
 127                         public static event EventHandler x;
 128                 }
 129
 130                 public class TestClass
 131                 {
 132                         public event EventHandler pub;
 133                         private event EventHandler priv;
 134                 }
 135
 136 #pragma warning restore 67
 137         }
 138 }