457 lines
12 KiB
C#
457 lines
12 KiB
C#
//
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// ParameterInfoTest - NUnit Test Cases for the ParameterInfo class
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//
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// Zoltan Varga (vargaz@freemail.hu)
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//
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// (C) Ximian, Inc. http://www.ximian.com
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// Copyright 2011 Xamarin Inc (http://www.xamarin.com).
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//
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//
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using System;
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using System.Threading;
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using System.Reflection;
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using System.Runtime.InteropServices;
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using System.Runtime.CompilerServices;
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using System.Collections.Generic;
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using System.Linq;
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using NUnit.Framework;
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namespace MonoTests.System.Reflection
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{
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public class Marshal1 : ICustomMarshaler
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{
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public static ICustomMarshaler GetInstance (string s)
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{
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return new Marshal1 ();
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}
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public void CleanUpManagedData (object managedObj)
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{
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}
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public void CleanUpNativeData (IntPtr pNativeData)
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{
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}
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public int GetNativeDataSize ()
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{
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return 4;
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}
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public IntPtr MarshalManagedToNative (object managedObj)
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{
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return IntPtr.Zero;
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}
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public object MarshalNativeToManaged (IntPtr pNativeData)
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{
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return null;
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}
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}
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[TestFixture]
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public class ParameterInfoTest
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{
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[Test]
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public void IsDefined_AttributeType_Null ()
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{
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MethodInfo mi = typeof (object).GetMethod ("Equals",
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new Type [1] { typeof (object) });
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ParameterInfo pi = mi.GetParameters () [0];
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try {
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pi.IsDefined ((Type) null, false);
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Assert.Fail ("#1");
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} catch (ArgumentNullException ex) {
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Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#2");
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Assert.IsNull (ex.InnerException, "#3");
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Assert.IsNotNull (ex.Message, "#4");
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Assert.IsNotNull (ex.ParamName, "#5");
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Assert.AreEqual ("attributeType", ex.ParamName, "#6");
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}
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}
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#if !NET_2_1
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public enum ParamEnum {
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None = 0,
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Foo = 1,
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Bar = 2
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};
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public static void paramMethod (int i, [In] int j, [Out] int k, [Optional] int l, [In,Out] int m, ParamEnum n = ParamEnum.Foo)
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{
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}
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[DllImport ("foo")]
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public extern static void marshalAsMethod (
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[MarshalAs(UnmanagedType.Bool)]int p0,
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[MarshalAs(UnmanagedType.LPArray, ArraySubType=UnmanagedType.LPStr)] string [] p1,
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[MarshalAs( UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof (Marshal1), MarshalCookie = "5")] object p2);
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[Test]
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public void DefaultValueEnum () {
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ParameterInfo[] info = typeof (ParameterInfoTest).GetMethod ("paramMethod").GetParameters ();
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Assert.AreEqual (typeof (ParamEnum), info [5].DefaultValue.GetType (), "#1");
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Assert.AreEqual (ParamEnum.Foo, info [5].DefaultValue, "#2");
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}
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#if NET_4_5
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[Test]
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public void HasDefaultValueEnum () {
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ParameterInfo[] info = typeof (ParameterInfoTest).GetMethod ("paramMethod").GetParameters ();
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Assert.IsTrue (info [5].HasDefaultValue);
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}
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#endif
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public static void Sample2 ([DecimalConstantAttribute(2,2,2,2,2)] decimal a, [DateTimeConstantAttribute(123456)] DateTime b) {}
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[Test]
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public void DefaultValuesFromCustomAttr () {
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ParameterInfo[] info = typeof (ParameterInfoTest).GetMethod ("Sample2").GetParameters ();
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Assert.AreEqual (typeof (Decimal), info [0].DefaultValue.GetType (), "#1");
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Assert.AreEqual (typeof (DateTime), info [1].DefaultValue.GetType (), "#2");
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}
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[Test] // bug #339013
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public void TestDefaultValues ()
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{
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ParameterInfo [] pi = typeof (ParameterInfoTest).GetMethod ("Sample").GetParameters ();
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Assert.AreEqual (pi [0].DefaultValue.GetType (), typeof (DBNull), "#1");
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Assert.AreEqual (pi [1].DefaultValue.GetType (), typeof (Missing), "#2");
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}
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#if NET_4_5
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[Test]
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public void TestHasDefaultValues ()
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{
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ParameterInfo [] pi = typeof (ParameterInfoTest).GetMethod ("Sample").GetParameters ();
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Assert.IsFalse (pi [0].HasDefaultValue, "#1");
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Assert.IsFalse (pi [1].HasDefaultValue, "#2");
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Assert.IsTrue (pi [2].HasDefaultValue, "#3");
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}
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#endif
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public void Sample (int a, [Optional] int b, object c = null)
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{
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}
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[Test]
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public void PseudoCustomAttributes () {
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ParameterInfo[] info = typeof (ParameterInfoTest).GetMethod ("paramMethod").GetParameters ();
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Assert.AreEqual (0, info[0].GetCustomAttributes (true).Length, "#A1");
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Assert.AreEqual (1, info[1].GetCustomAttributes (typeof (InAttribute), true).Length, "#A2");
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Assert.AreEqual (1, info[2].GetCustomAttributes (typeof (OutAttribute), true).Length, "#A3");
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Assert.AreEqual (1, info[3].GetCustomAttributes (typeof (OptionalAttribute), true).Length, "#A4");
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Assert.AreEqual (2, info[4].GetCustomAttributes (true).Length, "#A5");
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ParameterInfo[] pi = typeof (ParameterInfoTest).GetMethod ("marshalAsMethod").GetParameters ();
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MarshalAsAttribute attr;
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attr = (MarshalAsAttribute)(pi [0].GetCustomAttributes (true) [0]);
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Assert.AreEqual (UnmanagedType.Bool, attr.Value, "#B");
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attr = (MarshalAsAttribute)(pi [1].GetCustomAttributes (true) [0]);
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Assert.AreEqual (UnmanagedType.LPArray, attr.Value, "#C1");
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Assert.AreEqual (UnmanagedType.LPStr, attr.ArraySubType, "#C2");
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attr = (MarshalAsAttribute)(pi [2].GetCustomAttributes (true) [0]);
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Assert.AreEqual (UnmanagedType.CustomMarshaler, attr.Value, "#D1");
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Assert.AreEqual ("5", attr.MarshalCookie, "#D2");
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Assert.AreEqual (typeof (Marshal1), Type.GetType (attr.MarshalType), "#D3");
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}
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[Test] // bug #342536
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public void Generics_Name ()
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{
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MethodInfo mi;
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Type type;
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ParameterInfo [] info;
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type = typeof (BaseType<string>);
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mi = type.GetMethod ("GetItems");
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Assert.IsNotNull (mi, "#A1");
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info = mi.GetParameters ();
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Assert.AreEqual (1, info.Length, "#A2");
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Assert.AreEqual ("count", info [0].Name, "#A3");
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mi = type.GetMethod ("Add");
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Assert.IsNotNull (mi, "#B1");
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info = mi.GetParameters ();
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Assert.AreEqual (2, info.Length, "#B2");
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Assert.AreEqual ("item", info [0].Name, "#B3");
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Assert.AreEqual ("index", info [1].Name, "#B4");
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mi = type.GetMethod ("Create");
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Assert.IsNotNull (mi, "#C1");
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info = mi.GetParameters ();
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Assert.AreEqual (2, info.Length, "#C2");
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Assert.AreEqual ("x", info [0].Name, "#C3");
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Assert.AreEqual ("item", info [1].Name, "#C4");
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}
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public class BaseType <T>
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{
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public void GetItems (int count)
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{
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}
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public void Add (T item, int index)
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{
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}
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public V Create <V> (int x, T item)
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{
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return default (V);
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}
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}
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#endif
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[Test]
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public void Member () {
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ParameterInfo parm = typeof (Derived).GetMethod ("SomeMethod").GetParameters()[0];
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Assert.AreEqual (typeof (Derived), parm.Member.ReflectedType);
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Assert.AreEqual (typeof (Base), parm.Member.DeclaringType);
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}
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[Test]
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public void ArrayMethodParameters ()
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{
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var matrix_int_get = typeof (int[,,]).GetMethod ("Get");
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var parameters = matrix_int_get.GetParameters ();
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Assert.AreEqual (3, parameters.Length);
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Assert.AreEqual (0, parameters [0].GetCustomAttributes (false).Length);
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Assert.AreEqual (0, parameters [1].GetCustomAttributes (false).Length);
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Assert.AreEqual (0, parameters [2].GetCustomAttributes (false).Length);
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}
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class Base
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{
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public void SomeMethod( int x )
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{
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}
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}
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class Derived : Base
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{
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}
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#if NET_4_0
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public static void TestC (decimal u = decimal.MaxValue) {
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}
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[Test]
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public void DefaultValueDecimal () {
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var info = typeof (ParameterInfoTest).GetMethod ("TestC").GetParameters ();
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Assert.AreEqual (decimal.MaxValue, info [0].DefaultValue);
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}
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#if NET_4_5
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[Test]
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public void HasDefaultValueDecimal () {
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var info = typeof (ParameterInfoTest).GetMethod ("TestC").GetParameters ();
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Assert.IsTrue (info [0].HasDefaultValue);
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}
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#endif
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class TestParamAttribute : Attribute
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{
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}
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public static int TestCustomAttribute_Method ([TestParamAttribute] string arg)
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{
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return arg.Length;
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}
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[Test]
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public void TestCustomAttribute ()
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{
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var metInfo = GetType ().GetMethod ("TestCustomAttribute_Method", new Type[] { typeof(string) });
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var paramInfos = metInfo.GetParameters ();
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var argParamInfo = paramInfos[0];
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var custAttrs = argParamInfo.GetCustomAttributes ();
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Assert.AreEqual (1, custAttrs.Count ());
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}
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class MyParameterInfo2 : ParameterInfo
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{
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public ParameterAttributes MyAttrsImpl;
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public override ParameterAttributes Attributes {
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get {return MyAttrsImpl;}
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}
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public IList<CustomAttributeData> myList = new List<CustomAttributeData> ();
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public override IList<CustomAttributeData> GetCustomAttributesData () {
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return myList;
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}
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}
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class MyParameterInfo : ParameterInfo
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{
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public void SetClassImpl (Type t)
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{
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ClassImpl = t;
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}
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public void SetDefaultValueImpl (object o)
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{
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DefaultValueImpl = o;
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}
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public void SetMemberImpl (MemberInfo o)
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{
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MemberImpl = o;
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}
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public void SetNameImpl (string s)
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{
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NameImpl = s;
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}
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public void SetPositionImpl (int i)
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{
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PositionImpl = i;
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}
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public void SetAttrsImpl (ParameterAttributes a)
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{
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AttrsImpl = a;
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}
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public void TestMethod (int a) {}
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public int this[int x, int y] {
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get { return 0; }
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set { }
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}
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}
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[Test]
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public void SubClassWithNoOverrides ()
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{
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var p = new MyParameterInfo ();
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Assert.IsFalse (p.IsDefined (typeof (FlagsAttribute), false), "#1");
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Assert.AreEqual (0, p.GetCustomAttributes (false).Length, "#2");
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Assert.AreEqual (0, p.GetCustomAttributes (typeof (FlagsAttribute), false).Length, "#3");
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Assert.AreEqual (0, p.GetOptionalCustomModifiers ().Length, "#4");
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Assert.AreEqual (0, p.GetRequiredCustomModifiers ().Length, "#5");
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#if NET_4_5
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try {
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var ign = p.HasDefaultValue;
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Assert.Fail ("#6");
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} catch (NotImplementedException) {
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}
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#endif
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Assert.IsFalse (p.IsIn, "#7");
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#if FEATURE_USE_LCID
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Assert.IsFalse (p.IsLcid, "#8");
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#endif
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Assert.IsFalse (p.IsOptional, "#9");
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Assert.IsFalse (p.IsOut, "#10");
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Assert.IsFalse (p.IsRetval, "#10");
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#if NET_4_5
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try {
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var ign = p.CustomAttributes;
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Assert.Fail ("#11");
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} catch (NotImplementedException) {
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}
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#endif
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try {
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p.GetCustomAttributesData ();
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Assert.Fail ("#12");
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} catch (NotImplementedException) {
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}
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Assert.AreEqual (0x8000000, p.MetadataToken, "#13");
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Assert.AreEqual (0, p.Position, "#14");
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try {
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var ign = p.DefaultValue;
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Assert.Fail ("#15");
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} catch (NotImplementedException) {
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}
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try {
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var ign = p.RawDefaultValue;
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Assert.Fail ("#16");
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} catch (NotImplementedException) {
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}
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Assert.IsNull (p.Member, "#17");
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Assert.AreEqual (ParameterAttributes.None, p.Attributes, "#18");
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Assert.IsNull (p.Name, "#19");
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Assert.IsNull (p.ParameterType, "#20");
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}
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[Test]
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public void SubClassWithValuesSet ()
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{
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var p = new MyParameterInfo ();
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p.SetClassImpl (typeof (Decimal));
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Assert.AreEqual (typeof (Decimal), p.ParameterType, "#1");
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p.SetClassImpl (null);
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p.SetDefaultValueImpl ("foo");
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try {
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var ign = p.DefaultValue;
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Assert.Fail ("#2");
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} catch (NotImplementedException) {
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}
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p.SetDefaultValueImpl (null);
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var obj = typeof (object);
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p.SetMemberImpl (obj);
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Assert.AreEqual (obj, p.Member, "#3");
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Assert.AreEqual (0x8000000, p.MetadataToken, "#4");
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p.SetMemberImpl (null);
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var method = typeof (MyParameterInfo).GetMethod ("TestMethod");
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p.SetMemberImpl (method);
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Assert.IsNotNull (method, "#5");
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Assert.AreEqual (method, p.Member, "#6");
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Assert.AreEqual (0x8000000, p.MetadataToken, "#7");
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p.SetMemberImpl (null);
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var property = typeof (MyParameterInfo).GetProperty ("Item");
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p.SetMemberImpl (property);
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Assert.IsNotNull (property, "#8");
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Assert.AreEqual (property, p.Member, "#9");
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Assert.AreEqual (0x8000000, p.MetadataToken, "#10");
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p.SetMemberImpl (null);
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p.SetNameImpl ("foo");
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Assert.AreEqual ("foo", p.Name, "#11");
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p.SetNameImpl (null);
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p.SetPositionImpl (99);
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Assert.AreEqual (p.Position, 99, "#12");
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Assert.AreEqual (p.MetadataToken, 0x8000000, "#13");
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p.SetPositionImpl (0);
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Assert.IsFalse (p.IsIn, "#14");
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p.SetAttrsImpl (ParameterAttributes.In);
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Assert.IsTrue (p.IsIn, "#15");
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}
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[Test]
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public void SubClassWithOverrides()
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{
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var p2 = new MyParameterInfo2 ();
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Assert.IsFalse (p2.IsIn, "#1");
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p2.MyAttrsImpl = ParameterAttributes.In;
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Assert.IsTrue (p2.IsIn, "#2");
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#if NET_4_5
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Assert.AreEqual (p2.myList, p2.CustomAttributes, "#3");
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#endif
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}
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#endif
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}
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}
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