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                 [Test]
  74                 public void AddHandlerToNullInstanceEventRaisesTargetException ()
  75                 {
  76                         EventInfo ev = typeof (TestClass).GetEvent ("pub");
  77                         EventHandler dele = (a,b) => {};
  78                         try {
  79                                 ev.AddEventHandler (null, dele);
  80                                 Assert.Fail ("#1");
  81                         } catch (TargetException) {}
  82                 }
  83
  84                 [Test]
  85                 public void AddHandleToPrivateEventRaisesInvalidOperationException ()
  86                 {
  87                         EventInfo ev = typeof (TestClass).GetEvent ("priv", BindingFlags.NonPublic| BindingFlags.Instance);
  88                         EventHandler dele = (a,b) => {};
  89                         try {
  90                                 ev.AddEventHandler (new PrivateEvent (), dele);
  91                                 Assert.Fail ("#1");
  92                         } catch (InvalidOperationException) {}
  93                 }
  94
  95                 [Test]
  96                 public void AddHandlerWithIncompatibleTargetShouldRaiseTargetException ()
  97                 {
  98                         EventInfo ev = typeof (TestClass).GetEvent ("pub");
  99                         EventHandler dele = (a,b) => {};
 100                         try {
 101                                 ev.AddEventHandler (new PublicEvent (), dele);
 102                                 Assert.Fail ("#1");
 103                         } catch (TargetException) {}
 104                 }
 105
 106                 [Test]
 107                 public void RemoveHandleToPrivateEventRaisesInvalidOperationException ()
 108                 {
 109                         EventInfo ev = typeof (TestClass).GetEvent ("priv", BindingFlags.NonPublic| BindingFlags.Instance);
 110                         EventHandler dele = (a,b) => {};
 111                         try {
 112                                 ev.RemoveEventHandler (new PrivateEvent (), dele);
 113                                 Assert.Fail ("#1");
 114                         } catch (InvalidOperationException) {}
 115                 }
 116
 117                 [Test]
 118                 public void EventInfoModule ()
 119                 {
 120                         Type type = typeof (TestClass);
 121                         EventInfo ev = type.GetEvent ("pub");
 122
 123                         Assert.AreEqual (type.Module, ev.Module);
 124                 }
 125
 126 #pragma warning disable 67
 127                 public class PrivateEvent
 128                 {
 129                         private static event EventHandler x;
 130                 }
 131
 132                 public class PublicEvent
 133                 {
 134                         public static event EventHandler x;
 135                 }
 136
 137                 public class TestClass
 138                 {
 139                         public event EventHandler pub;
 140                         private event EventHandler priv;
 141                 }
 142
 143 #pragma warning restore 67
 144         }
 145 }