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//
// PropertyBuilderTest.cs - NUnit Test Cases for the PropertyBuilder 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 PropertyBuilderTest : Assertion
{
private TypeBuilder tb;
private ModuleBuilder module;
[SetUp]
protected void SetUp () {
AssemblyName assemblyName = new AssemblyName();
assemblyName.Name = "MonoTests.System.Reflection.Emit.PropertyBuilderTest";
AssemblyBuilder assembly
= Thread.GetDomain().DefineDynamicAssembly(
assemblyName, AssemblyBuilderAccess.Run);
module = assembly.DefineDynamicModule("module1");
tb = module.DefineType("class1",
TypeAttributes.Public);
}
[Test]
public void TestProperties () {
FieldBuilder propField = tb.DefineField("propField",
typeof(int),
FieldAttributes.Private);
PropertyBuilder property =
tb.DefineProperty ("prop", PropertyAttributes.HasDefault, typeof (int), new Type [0] { });
property.SetConstant (44);
MethodBuilder propertyGet = tb.DefineMethod("GetProp",
MethodAttributes.Public,
typeof(int),
new Type[] { });
{
ILGenerator il = propertyGet.GetILGenerator();
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldfld, propField);
il.Emit(OpCodes.Ret);
}
MethodBuilder propertySet = tb.DefineMethod("SetProp",
MethodAttributes.Public,
null,
new Type[] { typeof(int) });
{
ILGenerator il = propertySet.GetILGenerator();
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Stfld, propField);
il.Emit(OpCodes.Ret);
}
property.SetGetMethod(propertyGet);
property.SetSetMethod(propertySet);
Type t = tb.CreateType ();
PropertyInfo[] props = t.GetProperties (BindingFlags.Public|BindingFlags.Instance);
AssertEquals (1, props.Length);
PropertyInfo p = t.GetProperty ("prop");
AssertEquals (PropertyAttributes.HasDefault, p.Attributes);
AssertEquals (true, p.CanRead);
AssertEquals (true, p.CanWrite);
AssertEquals ("prop", p.Name);
AssertEquals (MemberTypes.Property, p.MemberType);
AssertEquals (typeof (int), p.PropertyType);
MethodInfo[] methods = p.GetAccessors ();
AssertEquals (2, methods.Length);
AssertNotNull (p.GetGetMethod ());
AssertNotNull (p.GetSetMethod ());
object o = Activator.CreateInstance (t);
p.SetValue (o, 42, null);
AssertEquals (42, p.GetValue (o, null));
}
}
}
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