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//
// ParameterInfoTest - NUnit Test Cases for the ParameterInfo class
//
// Zoltan Varga (vargaz@freemail.hu)
//
// (C) Ximian, Inc. http://www.ximian.com
//
//
using System;
using System.Threading;
using System.Reflection;
#if !TARGET_JVM
using System.Reflection.Emit;
#endif // TARGET_JVM
using System.Runtime.InteropServices;
using System.Runtime.CompilerServices;
using NUnit.Framework;
namespace MonoTests.System.Reflection
{
public class Marshal1 : ICustomMarshaler
{
public static ICustomMarshaler GetInstance (string s)
{
return new Marshal1 ();
}
public void CleanUpManagedData (object managedObj)
{
}
public void CleanUpNativeData (IntPtr pNativeData)
{
}
public int GetNativeDataSize ()
{
return 4;
}
public IntPtr MarshalManagedToNative (object managedObj)
{
return IntPtr.Zero;
}
public object MarshalNativeToManaged (IntPtr pNativeData)
{
return null;
}
}
[TestFixture]
public class ParameterInfoTest
{
[Test]
public void IsDefined_AttributeType_Null ()
{
MethodInfo mi = typeof (object).GetMethod ("Equals",
new Type [1] { typeof (object) });
ParameterInfo pi = mi.GetParameters () [0];
try {
pi.IsDefined ((Type) null, false);
Assert.Fail ("#1");
} catch (ArgumentNullException ex) {
Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#2");
Assert.IsNull (ex.InnerException, "#3");
Assert.IsNotNull (ex.Message, "#4");
Assert.IsNotNull (ex.ParamName, "#5");
Assert.AreEqual ("attributeType", ex.ParamName, "#6");
}
}
#if NET_2_0
public enum ParamEnum {
None = 0,
Foo = 1,
Bar = 2
};
public static void paramMethod (int i, [In] int j, [Out] int k, [Optional] int l, [In,Out] int m, [DefaultParameterValue (ParamEnum.Foo)] ParamEnum n)
{
}
#if !TARGET_JVM // No support for extern methods in TARGET_JVM
[DllImport ("foo")]
public extern static void marshalAsMethod (
[MarshalAs(UnmanagedType.Bool)]int p0,
[MarshalAs(UnmanagedType.LPArray, ArraySubType=UnmanagedType.LPStr)] string [] p1,
[MarshalAs( UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof (Marshal1), MarshalCookie = "5")] object p2);
#endif
[Test]
public void DefaultValueEnum () {
ParameterInfo[] info = typeof (ParameterInfoTest).GetMethod ("paramMethod").GetParameters ();
Assert.AreEqual (typeof (ParamEnum), info [5].DefaultValue.GetType (), "#1");
Assert.AreEqual (ParamEnum.Foo, info [5].DefaultValue, "#2");
}
public static void Sample2 ([DecimalConstantAttribute(2,2,2,2,2)] decimal a, [DateTimeConstantAttribute(123456)] DateTime b) {}
[Test]
public void DefaultValuesFromCustomAttr () {
ParameterInfo[] info = typeof (ParameterInfoTest).GetMethod ("Sample2").GetParameters ();
Assert.AreEqual (typeof (Decimal), info [0].DefaultValue.GetType (), "#1");
Assert.AreEqual (typeof (DateTime), info [1].DefaultValue.GetType (), "#2");
}
[Test] // bug #339013
public void TestDefaultValues ()
{
ParameterInfo [] pi = typeof (ParameterInfoTest).GetMethod ("Sample").GetParameters ();
Assert.AreEqual (pi [0].DefaultValue.GetType (), typeof (DBNull), "#1");
Assert.AreEqual (pi [1].DefaultValue.GetType (), typeof (Missing), "#2");
}
public void Sample (int a, [Optional] int b)
{
}
[Test]
public void PseudoCustomAttributes () {
ParameterInfo[] info = typeof (ParameterInfoTest).GetMethod ("paramMethod").GetParameters ();
Assert.AreEqual (0, info[0].GetCustomAttributes (true).Length, "#A1");
Assert.AreEqual (1, info[1].GetCustomAttributes (typeof (InAttribute), true).Length, "#A2");
Assert.AreEqual (1, info[2].GetCustomAttributes (typeof (OutAttribute), true).Length, "#A3");
Assert.AreEqual (1, info[3].GetCustomAttributes (typeof (OptionalAttribute), true).Length, "#A4");
Assert.AreEqual (2, info[4].GetCustomAttributes (true).Length, "#A5");
#if !TARGET_JVM // No support for extern methods in TARGET_JVM
ParameterInfo[] pi = typeof (ParameterInfoTest).GetMethod ("marshalAsMethod").GetParameters ();
MarshalAsAttribute attr;
attr = (MarshalAsAttribute)(pi [0].GetCustomAttributes (true) [0]);
Assert.AreEqual (UnmanagedType.Bool, attr.Value, "#B");
attr = (MarshalAsAttribute)(pi [1].GetCustomAttributes (true) [0]);
Assert.AreEqual (UnmanagedType.LPArray, attr.Value, "#C1");
Assert.AreEqual (UnmanagedType.LPStr, attr.ArraySubType, "#C2");
attr = (MarshalAsAttribute)(pi [2].GetCustomAttributes (true) [0]);
Assert.AreEqual (UnmanagedType.CustomMarshaler, attr.Value, "#D1");
Assert.AreEqual ("5", attr.MarshalCookie, "#D2");
Assert.AreEqual (typeof (Marshal1), Type.GetType (attr.MarshalType), "#D3");
#endif
}
[Test] // bug #342536
public void Generics_Name ()
{
MethodInfo mi;
Type type;
ParameterInfo [] info;
type = typeof (BaseType<string>);
mi = type.GetMethod ("GetItems");
Assert.IsNotNull (mi, "#A1");
info = mi.GetParameters ();
Assert.AreEqual (1, info.Length, "#A2");
Assert.AreEqual ("count", info [0].Name, "#A3");
mi = type.GetMethod ("Add");
Assert.IsNotNull (mi, "#B1");
info = mi.GetParameters ();
Assert.AreEqual (2, info.Length, "#B2");
Assert.AreEqual ("item", info [0].Name, "#B3");
Assert.AreEqual ("index", info [1].Name, "#B4");
mi = type.GetMethod ("Create");
Assert.IsNotNull (mi, "#C1");
info = mi.GetParameters ();
Assert.AreEqual (2, info.Length, "#C2");
Assert.AreEqual ("x", info [0].Name, "#C3");
Assert.AreEqual ("item", info [1].Name, "#C4");
}
public class BaseType <T>
{
public void GetItems (int count)
{
}
public void Add (T item, int index)
{
}
public V Create <V> (int x, T item)
{
return default (V);
}
}
#endif
[Test]
public void Member () {
ParameterInfo parm = typeof (Derived).GetMethod ("SomeMethod").GetParameters()[0];
Assert.AreEqual (typeof (Derived), parm.Member.ReflectedType);
Assert.AreEqual (typeof (Base), parm.Member.DeclaringType);
}
class Base
{
public void SomeMethod( int x )
{
}
}
class Derived : Base
{
}
#if NET_4_0
public static void TestC (decimal u = decimal.MaxValue) {
}
[Test]
public void DefaultValueDecimal () {
var info = typeof (ParameterInfoTest).GetMethod ("TestC").GetParameters ();
Assert.AreEqual (decimal.MaxValue, info [0].DefaultValue);
}
#endif
}
}
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