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//
// EventBuilder.cs - NUnit Test Cases for the EventBuilder class
//
// Zoltan Varga (vargaz@freemail.hu)
//
// (C) Ximian, Inc. http://www.ximian.com
using System;
using System.Threading;
using System.Reflection;
using System.Reflection.Emit;
using System.Runtime.CompilerServices;
using NUnit.Framework;
namespace MonoTests.System.Reflection.Emit
{
[TestFixture]
public class EventBuilderTest
{
public delegate void AnEvent (object o);
private TypeBuilder tb;
private ModuleBuilder module;
private EventBuilder eb;
private MethodBuilder mb;
[SetUp]
protected void SetUp () {
AssemblyName assemblyName = new AssemblyName();
assemblyName.Name = GetType().FullName;
AssemblyBuilder assembly
= Thread.GetDomain().DefineDynamicAssembly(
assemblyName, AssemblyBuilderAccess.Run);
module = assembly.DefineDynamicModule("module1");
tb = module.DefineType("class1",
TypeAttributes.Public);
eb = tb.DefineEvent ("event1", EventAttributes.None, typeof (AnEvent));
mb =
tb.DefineMethod ("OnAnEvent",
MethodAttributes.Public, typeof (void),
new Type [] { typeof (AnEvent) });
ILGenerator ilgen = mb.GetILGenerator();
ilgen.Emit (OpCodes.Ret);
// These two are required
eb.SetAddOnMethod (mb);
eb.SetRemoveOnMethod (mb);
}
[Test]
[ExpectedException (typeof (ArgumentNullException))]
public void TestSetAddOnMethod1 () {
eb.SetAddOnMethod (null);
}
[Test]
[ExpectedException (typeof (InvalidOperationException))]
public void TestSetAddOnMethod2 () {
tb.CreateType ();
eb.SetAddOnMethod (mb);
}
[Test]
[ExpectedException (typeof (ArgumentNullException))]
public void TestSetRaiseMethod1 () {
eb.SetRaiseMethod (null);
}
[Test]
[ExpectedException (typeof (InvalidOperationException))]
public void TestSetRaiseMethod2 () {
tb.CreateType ();
eb.SetRaiseMethod (mb);
}
[Test]
[ExpectedException (typeof (ArgumentNullException))]
public void TestSetRemoveAddOnMethod1 () {
eb.SetRemoveOnMethod (null);
}
[Test]
[ExpectedException (typeof (InvalidOperationException))]
public void TestSetRemoveAddOnMethod2 () {
tb.CreateType ();
eb.SetRemoveOnMethod (mb);
}
[Test]
[ExpectedException (typeof (ArgumentNullException))]
public void TestAddOtherMethod1 () {
eb.AddOtherMethod (null);
}
[Test]
[ExpectedException (typeof (InvalidOperationException))]
public void TestAddOtherMethod2 () {
tb.CreateType ();
eb.AddOtherMethod (mb);
}
[Test]
[ExpectedException (typeof (ArgumentNullException))]
public void TestSetCustomAttribute1 () {
eb.SetCustomAttribute (null);
}
[Test]
[ExpectedException (typeof (ArgumentNullException))]
public void TestSetCustomAttribute2 () {
eb.SetCustomAttribute (null, new byte [1]);
}
[Test]
[ExpectedException (typeof (ArgumentNullException))]
public void TestSetCustomAttribute3 () {
ConstructorInfo con = typeof (String).GetConstructors ()[0];
eb.SetCustomAttribute (con, null);
}
[Test]
[ExpectedException (typeof (InvalidOperationException))]
public void TestSetCustomAttribute4 () {
tb.CreateType ();
byte[] custAttrData = { 1, 0, 0, 0, 0};
Type attrType = Type.GetType
("System.Reflection.AssemblyKeyNameAttribute");
Type[] paramTypes = new Type[1];
paramTypes[0] = typeof(String);
ConstructorInfo ctorInfo =
attrType.GetConstructor(paramTypes);
eb.SetCustomAttribute (ctorInfo, custAttrData);
}
[Test]
[ExpectedException (typeof (InvalidOperationException))]
public void TestSetCustomAttribute5 () {
tb.CreateType ();
eb.SetCustomAttribute (new CustomAttributeBuilder (typeof (MethodImplAttribute).GetConstructor (new Type[1] { typeof (short) }), new object[1] {(short)MethodImplAttributes.Synchronized}));
}
[Test]
public void TestCreation () {
eb = tb.DefineEvent ("event2", EventAttributes.SpecialName, typeof (AnEvent));
eb.SetRaiseMethod (mb);
eb.SetAddOnMethod (mb);
eb.SetRemoveOnMethod (mb);
eb.AddOtherMethod (mb);
eb.AddOtherMethod (mb);
Type t = tb.CreateType ();
MethodInfo mi = t.GetMethod ("OnAnEvent");
EventInfo[] events = t.GetEvents ();
Assert.AreEqual (2, events.Length);
{
EventInfo ev = t.GetEvent ("event1");
Assert.AreEqual ("event1", ev.Name);
Assert.AreEqual (EventAttributes.None, ev.Attributes);
Assert.AreEqual (t, ev.DeclaringType);
Assert.AreEqual (typeof (AnEvent), ev.EventHandlerType);
Assert.AreEqual (true, ev.IsMulticast);
Assert.AreEqual (false, ev.IsSpecialName);
Assert.AreEqual (mi, ev.GetAddMethod ());
Assert.AreEqual (null, ev.GetRaiseMethod ());
Assert.AreEqual (mi, ev.GetRemoveMethod ());
}
{
EventInfo ev = t.GetEvent ("event2");
Assert.AreEqual ("event2", ev.Name);
Assert.AreEqual (EventAttributes.SpecialName, ev.Attributes);
Assert.AreEqual (t, ev.DeclaringType);
Assert.AreEqual (typeof (AnEvent), ev.EventHandlerType);
Assert.AreEqual (true, ev.IsMulticast);
Assert.AreEqual (true, ev.IsSpecialName);
Assert.AreEqual (mi, ev.GetAddMethod ());
Assert.AreEqual (mi, ev.GetRaiseMethod ());
Assert.AreEqual (mi, ev.GetRemoveMethod ());
}
}
}
}
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