95 lines
2.7 KiB
C#
95 lines
2.7 KiB
C#
// ParameterBuilderTest.cs
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//
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// Author: Gleb Golubitsky <sectoid@gnolltech.org>
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//
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// (c) 2012 Gleb Golubitsky
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//
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using System;
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using System.Reflection.Emit;
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using System.Reflection;
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using NUnit.Framework;
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namespace MonoTests.System.Reflection.Emit
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{
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/// <summary>
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/// A test fixture for System.Reflection.Emit.ParameterBuilder class
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/// </summary>
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[TestFixture]
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public class ParameterBuilderTest
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{
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[Test]
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/// <summary>
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/// Unit test for a problem in ParameterBuilder.SetConstant
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/// method. The problem is described at bug #3912.
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/// (https://bugzilla.xamarin.com/show_bug.cgi?id=3912)
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/// </summary>
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public void ParameterBuilderSetConstant_Bug3912 ()
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{
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var aName = new AssemblyName("DynamicAssemblyExample");
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var ab = AppDomain.CurrentDomain
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.DefineDynamicAssembly(aName, AssemblyBuilderAccess.Run);
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var mb = ab.DefineDynamicModule(aName.Name);
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var eb = mb.DefineEnum("TestEnum",
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TypeAttributes.Public,
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typeof(int));
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eb.DefineLiteral("Low", 0);
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eb.DefineLiteral("High", 1);
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var tb = mb.DefineType("MyDynamicType", TypeAttributes.Public);
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var hello = tb.DefineMethod("Fail",
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MethodAttributes.Public,
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typeof(void),
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new [] { eb, });
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var builder = hello.DefineParameter(1, ParameterAttributes.In, "failParam");
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builder.SetConstant(1);
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}
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public enum E : byte {
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E1, E2
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}
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[Test]
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public void SetConstantNullable ()
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{
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// SetConstant for a Nullable<X> parameter for various X.
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var aName = new AssemblyName ("TestSetConstantNullable");
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var ab = AppDomain.CurrentDomain.DefineDynamicAssembly (aName, AssemblyBuilderAccess.Run);
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var mb = ab.DefineDynamicModule (aName.Name);
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var tb = mb.DefineType ("TestItf", TypeAttributes.Abstract | TypeAttributes.Interface);
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var paramTypes = new[] { typeof (int?), typeof (int?),
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typeof (E?), typeof (E?) };
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var methb = tb.DefineMethod ("Method", MethodAttributes.Public | MethodAttributes.Abstract | MethodAttributes.Virtual, typeof (void), paramTypes);
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var pb = new ParameterBuilder [paramTypes.Length];
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for (int idx = 0, pnum = 1; idx < paramTypes.Length; idx++, pnum++) {
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pb [idx] = methb.DefineParameter (pnum, ParameterAttributes.Optional | ParameterAttributes.HasDefault, "arg" + idx);
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}
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pb [0].SetConstant (null);
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pb [1].SetConstant (42);
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pb [2].SetConstant (null);
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pb [3].SetConstant (E.E2);
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var t = tb.CreateType ();
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var mi = t.GetMethod ("Method");
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Assert.IsNotNull (mi);
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var ps = mi.GetParameters ();
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Assert.AreEqual (null, ps[0].DefaultValue);
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Assert.AreEqual (42, ps[1].DefaultValue);
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Assert.AreEqual (null, ps[2].DefaultValue);
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Assert.AreEqual ((byte)E.E2, ps[3].DefaultValue);
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}
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}
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}
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