Jo Shields a575963da9 Imported Upstream version 3.6.0
Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14
2014-08-13 10:39:27 +01:00

814 lines
24 KiB
C#

//
// System.Reflection.MethodInfo Test Cases
//
// Authors:
// Zoltan Varga (vargaz@gmail.com)
//
// (c) 2003 Ximian, Inc. (http://www.ximian.com)
// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using NUnit.Framework;
using System;
using System.Threading;
using System.Reflection;
#if !MONOTOUCH
using System.Reflection.Emit;
#endif
using System.Runtime.InteropServices;
using System.Runtime.CompilerServices;
#if NET_2_0
using System.Collections.Generic;
#endif
namespace A.B.C {
public struct MethodInfoTestStruct {
int p;
}
}
namespace MonoTests.System.Reflection
{
[TestFixture]
public class MethodInfoTest
{
#if !TARGET_JVM
[DllImport ("libfoo", EntryPoint="foo", CharSet=CharSet.Unicode, ExactSpelling=false, PreserveSig=true, SetLastError=true, BestFitMapping=true, ThrowOnUnmappableChar=true)]
public static extern void dllImportMethod ();
#endif
[MethodImplAttribute(MethodImplOptions.PreserveSig)]
public void preserveSigMethod ()
{
}
[MethodImplAttribute(MethodImplOptions.Synchronized)]
public void synchronizedMethod ()
{
}
[Test]
public void IsDefined_AttributeType_Null ()
{
MethodInfo mi = typeof (MethodInfoTest).GetMethod ("foo");
try {
mi.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");
}
}
[Test]
public void TestInvokeByRefReturnMethod ()
{
try {
MethodInfo m = typeof (int[]).GetMethod ("Address");
m.Invoke (new int[1], new object[] { 0 });
Assert.Fail ("#1");
} catch (NotSupportedException e) {
Assert.AreEqual (typeof (NotSupportedException), e.GetType (), "#2");
Assert.IsNull (e.InnerException, "#3");
Assert.IsNotNull (e.Message, "#4");
}
}
#if NET_2_0
[Test]
public void PseudoCustomAttributes ()
{
Type t = typeof (MethodInfoTest);
DllImportAttribute attr = (DllImportAttribute)((t.GetMethod ("dllImportMethod").GetCustomAttributes (typeof (DllImportAttribute), true)) [0]);
Assert.AreEqual (CallingConvention.Winapi, attr.CallingConvention, "#1");
Assert.AreEqual ("foo", attr.EntryPoint, "#2");
Assert.AreEqual ("libfoo", attr.Value, "#3");
Assert.AreEqual (CharSet.Unicode, attr.CharSet, "#4");
Assert.AreEqual (false, attr.ExactSpelling, "#5");
Assert.AreEqual (true, attr.PreserveSig, "#6");
Assert.AreEqual (true, attr.SetLastError, "#7");
Assert.AreEqual (true, attr.BestFitMapping, "#8");
Assert.AreEqual (true, attr.ThrowOnUnmappableChar, "#9");
PreserveSigAttribute attr2 = (PreserveSigAttribute)((t.GetMethod ("preserveSigMethod").GetCustomAttributes (true)) [0]);
// This doesn't work under MS.NET
/*
MethodImplAttribute attr3 = (MethodImplAttribute)((t.GetMethod ("synchronizedMethod").GetCustomAttributes (true)) [0]);
*/
}
[return: MarshalAs (UnmanagedType.Interface)]
public void ReturnTypeMarshalAs ()
{
}
[Test]
[Category ("TargetJvmNotWorking")]
public void ReturnTypePseudoCustomAttributes ()
{
MethodInfo mi = typeof (MethodInfoTest).GetMethod ("ReturnTypeMarshalAs");
Assert.IsTrue (mi.ReturnTypeCustomAttributes.GetCustomAttributes (typeof (MarshalAsAttribute), true).Length == 1);
}
#endif
public static int foo (int i, int j)
{
return i + j;
}
[Test]
public void StaticInvokeWithObject ()
{
MethodInfo mi = typeof (MethodInfoTest).GetMethod ("foo");
mi.Invoke (new Object (), new object [] { 1, 2 });
}
[Test]
public void ByRefInvoke ()
{
MethodInfo met = typeof(MethodInfoTest).GetMethod ("ByRefTest");
object[] parms = new object[] {1};
met.Invoke (null, parms);
Assert.AreEqual (2, parms[0]);
}
public static void ByRefTest (ref int a1)
{
if (a1 == 1)
a1 = 2;
}
static int byref_arg;
public static void ByrefVtype (ref int i) {
byref_arg = i;
i = 5;
}
[Test]
#if ONLY_1_1
[Category ("NotDotNet")] // #A2 fails on MS.NET 1.x
#endif
public void ByrefVtypeInvoke ()
{
MethodInfo mi = typeof (MethodInfoTest).GetMethod ("ByrefVtype");
object o = 1;
object[] args = new object [] { o };
mi.Invoke (null, args);
Assert.AreEqual (1, byref_arg, "#A1");
Assert.AreEqual (1, o, "#A2");
Assert.AreEqual (5, args[0], "#A3");
args [0] = null;
mi.Invoke (null, args);
Assert.AreEqual (0, byref_arg, "#B1");
Assert.AreEqual (5, args[0], "#B2");
}
public void HeyHey (out string out1, ref DateTime ref1)
{
out1 = null;
}
public void SignatureTest (__arglist)
{
}
public static unsafe int* PtrFunc (int* a)
{
return (int*) 0;
}
[Test] // bug #81538
public void InvokeThreadAbort ()
{
MethodInfo method = typeof (MethodInfoTest).GetMethod ("AbortIt");
try {
method.Invoke (null, new object [0]);
Assert.Fail ("#1");
}
#if NET_2_0
catch (ThreadAbortException ex) {
Thread.ResetAbort ();
Assert.IsNull (ex.InnerException, "#2");
}
#else
catch (TargetInvocationException ex) {
Thread.ResetAbort ();
Assert.IsNotNull (ex.InnerException, "#2");
Assert.AreEqual (typeof (ThreadAbortException), ex.InnerException.GetType (), "#3");
}
#endif
}
public static void AbortIt ()
{
Thread.CurrentThread.Abort ();
}
[Test] // bug #76541
public void ToStringByRef ()
{
Assert.AreEqual ("Void HeyHey(System.String ByRef, System.DateTime ByRef)",
this.GetType ().GetMethod ("HeyHey").ToString ());
}
[Test]
public void ToStringArgList ()
{
Assert.AreEqual ("Void SignatureTest(...)",
this.GetType ().GetMethod ("SignatureTest").ToString ());
}
[Test]
public void ToStringWithPointerSignatures () //bug #409583
{
Assert.AreEqual ("Int32* PtrFunc(Int32*)", this.GetType ().GetMethod ("PtrFunc").ToString ());
}
public struct SimpleStruct
{
int a;
}
public static unsafe SimpleStruct* PtrFunc2 (SimpleStruct* a, A.B.C.MethodInfoTestStruct *b)
{
return (SimpleStruct*) 0;
}
[Test]
public void ToStringWithPointerSignaturesToNonPrimitiveType ()
{
Assert.AreEqual ("SimpleStruct* PtrFunc2(SimpleStruct*, A.B.C.MethodInfoTestStruct*)",
this.GetType ().GetMethod ("PtrFunc2").ToString ());
}
[Test]
public void ToStringGenericMethod ()
{
Assert.AreEqual ("System.Collections.ObjectModel.ReadOnlyCollection`1[T] AsReadOnly[T](T[])",
typeof (Array).GetMethod ("AsReadOnly").ToString ());
}
class GBD_A { public virtual void f () {} }
class GBD_B : GBD_A { public override void f () {} }
class GBD_C : GBD_B { public override void f () {} }
class GBD_D : GBD_C { public new virtual void f () {} }
class GBD_E : GBD_D { public override void f () {} }
[Test]
public void GetBaseDefinition ()
{
Assert.AreEqual (typeof (GBD_A), typeof (GBD_C).GetMethod ("f").GetBaseDefinition ().DeclaringType);
Assert.AreEqual (typeof (GBD_D), typeof (GBD_D).GetMethod ("f").GetBaseDefinition ().DeclaringType);
Assert.AreEqual (typeof (GBD_D), typeof (GBD_E).GetMethod ("f").GetBaseDefinition ().DeclaringType);
}
class TestInheritedMethodA {
private void TestMethod ()
{
}
public void TestMethod2 ()
{
}
}
class TestInheritedMethodB : TestInheritedMethodA {
}
[Test]
public void InheritanceTestGetMethodTest ()
{
MethodInfo inheritedMethod = typeof(TestInheritedMethodB).GetMethod("TestMethod", BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
MethodInfo baseMethod = typeof(TestInheritedMethodB).GetMethod("TestMethod", BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
Assert.AreSame (inheritedMethod, baseMethod);
MethodInfo inheritedMethod2 = typeof(TestInheritedMethodB).GetMethod("TestMethod2", BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
MethodInfo baseMethod2 = typeof(TestInheritedMethodB).GetMethod("TestMethod2", BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
Assert.AreSame (inheritedMethod, baseMethod);
}
#if NET_2_0
#if !TARGET_JVM // MethodBody is not supported for TARGET_JVM
[Test]
public void GetMethodBody_Abstract ()
{
MethodBody mb = typeof (ICloneable).GetMethod ("Clone").GetMethodBody ();
Assert.IsNull (mb);
}
[Test]
public void GetMethodBody_Runtime ()
{
MethodBody mb = typeof (AsyncCallback).GetMethod ("Invoke").GetMethodBody ();
Assert.IsNull (mb);
}
[Test]
public void GetMethodBody_Pinvoke ()
{
MethodBody mb = typeof (MethodInfoTest).GetMethod ("dllImportMethod").GetMethodBody ();
Assert.IsNull (mb);
}
[Test]
public void GetMethodBody_Icall ()
{
foreach (MethodInfo mi in typeof (object).GetMethods (BindingFlags.Public|BindingFlags.NonPublic|BindingFlags.Instance))
if ((mi.GetMethodImplementationFlags () & MethodImplAttributes.InternalCall) != 0) {
MethodBody mb = mi.GetMethodBody ();
Assert.IsNull (mb);
}
}
public static void locals_method ()
{
byte[] b = new byte [10];
unsafe {
/* This generates a pinned local */
fixed (byte *p = &b [0]) {
}
}
}
[Test]
public void GetMethodBody ()
{
#if MONOTOUCH && !DEBUG
Assert.Ignore ("Release app (on devices) are stripped of (managed) IL so this test would fail");
#endif
MethodBody mb = typeof (MethodInfoTest).GetMethod ("locals_method").GetMethodBody ();
Assert.IsTrue (mb.InitLocals, "#1");
Assert.IsTrue (mb.LocalSignatureMetadataToken > 0, "#2");
IList<LocalVariableInfo> locals = mb.LocalVariables;
// This might break with different compilers etc.
Assert.AreEqual (2, locals.Count, "#3");
Assert.IsTrue ((locals [0].LocalType == typeof (byte[])) || (locals [1].LocalType == typeof (byte[])), "#4");
if (locals [0].LocalType == typeof (byte[]))
Assert.AreEqual (false, locals [0].IsPinned, "#5");
else
Assert.AreEqual (false, locals [1].IsPinned, "#6");
}
#endif // TARGET_JVM
public int return_parameter_test ()
{
return 0;
}
[Test]
public void GetMethodFromHandle_Generic ()
{
MethodHandleTest<int> test = new MethodHandleTest<int> ();
RuntimeMethodHandle mh = test.GetType ().GetProperty ("MyList")
.GetGetMethod ().MethodHandle;
MethodBase mb = MethodInfo.GetMethodFromHandle (mh,
typeof (MethodHandleTest<int>).TypeHandle);
Assert.IsNotNull (mb, "#1");
List<int> list = (List<int>) mb.Invoke (test, null);
Assert.IsNotNull (list, "#2");
Assert.AreEqual (1, list.Count, "#3");
}
[Test]
public void ReturnParameter ()
{
ParameterInfo pi = typeof (MethodInfoTest).GetMethod ("return_parameter_test").ReturnParameter;
Assert.AreEqual (typeof (int), pi.ParameterType, "#1");
Assert.AreEqual (-1, pi.Position, "#2");
// MS always return false here
//Assert.IsTrue (pi.IsRetval, "#3");
}
#if !TARGET_JVM // ReflectionOnly is not supported yet on TARGET_JVM
[Test]
public void InvokeOnRefOnlyAssembly ()
{
Assembly a = Assembly.ReflectionOnlyLoad (typeof (MethodInfoTest).Assembly.FullName);
Type t = a.GetType (typeof (RefOnlyMethodClass).FullName);
MethodInfo m = t.GetMethod ("RefOnlyMethod", BindingFlags.Static | BindingFlags.NonPublic);
try {
m.Invoke (null, new object [0]);
Assert.Fail ("#1");
} catch (InvalidOperationException ex) {
// The requested operation is invalid in the
// ReflectionOnly context
Assert.AreEqual (typeof (InvalidOperationException), ex.GetType (), "#2");
Assert.IsNull (ex.InnerException, "#3");
Assert.IsNotNull (ex.Message, "#4");
}
}
#endif // TARGET_JVM
[Test]
[ExpectedException (typeof (TargetInvocationException))]
public void InvokeInvalidOpExceptionThrow () {
MethodInfo mi = typeof (MethodInfoTest).GetMethod ("ThrowMethod");
mi.Invoke(null, null);
}
public static void ThrowMethod () {
throw new InvalidOperationException ();
}
[Test]
public void InvokeGenericVtype ()
{
KeyValuePair<string, uint> kvp = new KeyValuePair<string, uint> ("a", 21);
Type type = kvp.GetType ();
Type [] arguments = type.GetGenericArguments ();
MethodInfo method = typeof (MethodInfoTest).GetMethod ("Go");
MethodInfo generic_method = method.MakeGenericMethod (arguments);
kvp = (KeyValuePair<string, uint>)generic_method.Invoke (null, new object [] { kvp });
Assert.AreEqual ("a", kvp.Key, "#1");
Assert.AreEqual (21, kvp.Value, "#2");
}
public static KeyValuePair<T1, T2> Go <T1, T2> (KeyValuePair <T1, T2> kvp)
{
return kvp;
}
[Test] // bug #81997
public void InvokeGenericInst ()
{
List<string> str = null;
object [] methodArgs = new object [] { str };
MethodInfo mi = typeof (MethodInfoTest).GetMethod ("GenericRefMethod");
mi.Invoke (null, methodArgs);
Assert.IsNotNull (methodArgs [0], "#A1");
Assert.IsNull (str, "#A2");
Assert.IsTrue (methodArgs [0] is List<string>, "#A3");
List<string> refStr = methodArgs [0] as List<string>;
Assert.IsNotNull (refStr, "#B1");
Assert.AreEqual (1, refStr.Count, "#B2");
Assert.AreEqual ("test", refStr [0], "#B3");
}
public static void GenericRefMethod (ref List<string> strArg)
{
strArg = new List<string> ();
strArg.Add ("test");
}
public void MakeGenericMethodArgsMismatchFoo<T> ()
{
}
[Test]
public void MakeGenericMethodArgsMismatch ()
{
MethodInfo gmi = this.GetType ().GetMethod (
"MakeGenericMethodArgsMismatchFoo");
try {
gmi.MakeGenericMethod ();
Assert.Fail ("#1");
} catch (ArgumentException ex) {
// The type or method has 1 generic parameter(s),
// but 0 generic argument(s) were provided. A
// generic argument must be provided for each
// generic parameter
Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#2");
Assert.IsNull (ex.InnerException, "#3");
Assert.IsNotNull (ex.Message, "#4");
Assert.IsNull (ex.ParamName, "#5");
}
}
public void SimpleGenericMethod<TFoo, TBar> () {}
[Test]
public void MakeGenericMethodWithNullArray ()
{
MethodInfo gmi = this.GetType ().GetMethod ("SimpleGenericMethod");
try {
gmi.MakeGenericMethod ((Type []) null);
Assert.Fail ("#1");
} catch (ArgumentNullException ex) {
Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#2");
Assert.IsNull (ex.InnerException, "#3");
Assert.IsNotNull (ex.Message, "#4");
Assert.AreEqual ("methodInstantiation", ex.ParamName, "#5");
}
}
[Test]
public void MakeGenericMethodWithNullValueInTypesArray ()
{
MethodInfo gmi = this.GetType ().GetMethod ("SimpleGenericMethod");
try {
gmi.MakeGenericMethod (new Type [] { typeof (int), null });
Assert.Fail ("#1");
} catch (ArgumentNullException ex) {
Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#2");
Assert.IsNull (ex.InnerException, "#3");
Assert.IsNotNull (ex.Message, "#4");
Assert.IsNull (ex.ParamName, "#5");
}
}
[Test]
public void MakeGenericMethodWithNonGenericMethodDefinitionMethod ()
{
MethodInfo gmi = this.GetType ().GetMethod ("SimpleGenericMethod");
MethodInfo inst = gmi.MakeGenericMethod (typeof (int), typeof (double));
try {
inst.MakeGenericMethod (typeof (int), typeof (double));
Assert.Fail ("#1");
} catch (InvalidOperationException ex) {
}
}
#if !MONOTOUCH
public TFoo SimpleGenericMethod2<TFoo, TBar> () { return default (TFoo); }
/*Test for the uggly broken behavior of SRE.*/
[Test]
public void MakeGenericMethodWithSreTypeResultsInStupidMethodInfo ()
{
AssemblyName assemblyName = new AssemblyName ();
assemblyName.Name = "MonoTests.System.Reflection.Emit.MethodInfoTest";
AssemblyBuilder assembly = Thread.GetDomain ().DefineDynamicAssembly (assemblyName, AssemblyBuilderAccess.RunAndSave, ".");
ModuleBuilder module = assembly.DefineDynamicModule ("module1", "tst.dll");
TypeBuilder tb = module.DefineType ("Test", TypeAttributes.Public);
MethodInfo gmi = this.GetType ().GetMethod ("SimpleGenericMethod2");
MethodInfo ins = gmi.MakeGenericMethod (typeof (int), tb);
Assert.AreSame (tb, ins.GetGenericArguments () [1], "#1");
/*broken ReturnType*/
Assert.AreSame (gmi.GetGenericArguments () [0], ins.ReturnType, "#2");
}
#endif
public static int? pass_nullable (int? i)
{
return i;
}
[Test]
public void NullableTests ()
{
MethodInfo mi = typeof (MethodInfoTest).GetMethod ("pass_nullable");
Assert.AreEqual (102, mi.Invoke (null, new object [] { 102 }), "#1");
Assert.AreEqual (null, mi.Invoke (null, new object [] { null }), "#2");
// Test conversion of vtype to a nullable type for the this argument
PropertyInfo pi = typeof (Nullable <int>).GetProperty ("HasValue");
Assert.AreEqual (true, pi.GetGetMethod ().Invoke (10, null));
PropertyInfo pi2 = typeof (Nullable <int>).GetProperty ("Value");
Assert.AreEqual (10, pi2.GetGetMethod ().Invoke (10, null));
}
public static void foo_generic<T> ()
{
}
[Test]
public void IsGenericMethod ()
{
MethodInfo mi = typeof (MethodInfoTest).GetMethod ("foo_generic");
Assert.AreEqual (true, mi.IsGenericMethod, "#1");
MethodInfo mi2 = mi.MakeGenericMethod (new Type[] { typeof (int) });
Assert.AreEqual (true, mi2.IsGenericMethod, "#2");
MethodInfo mi3 = typeof (GenericHelper<int>).GetMethod ("Test");
Assert.AreEqual (false, mi3.IsGenericMethod, "#3");
}
class A<T>
{
public static void Foo<T2> (T2 i)
{
}
public static void Bar ()
{
}
public class B
{
public static void Baz ()
{
}
}
}
[Test]
public void ContainsGenericParameters ()
{
// Non-generic method in open generic type
Assert.IsTrue (typeof (A<int>).GetGenericTypeDefinition ().GetMethod ("Bar").ContainsGenericParameters);
// open generic method in closed generic type
Assert.IsTrue (typeof (A<int>).GetMethod ("Foo").ContainsGenericParameters);
// non-generic method in closed generic type
Assert.IsFalse (typeof (A<int>).GetMethod ("Bar").ContainsGenericParameters);
// closed generic method in closed generic type
Assert.IsFalse (typeof (A<int>).GetMethod ("Foo").MakeGenericMethod (new Type [] { typeof (int) }).ContainsGenericParameters);
// non-generic method in non-generic nested type of closed generic type
Assert.IsFalse (typeof (A<int>.B).GetMethod ("Baz").ContainsGenericParameters);
// non-generic method in non-generic nested type of open generic type
Assert.IsTrue (typeof (A<int>.B).GetGenericTypeDefinition ().GetMethod ("Baz").ContainsGenericParameters);
}
[Test]
public void IsGenericMethodDefinition ()
{
MethodInfo m1 = typeof (A<>).GetMethod ("Foo");
Assert.IsTrue (m1.IsGenericMethod, "#A1");
Assert.IsTrue (m1.IsGenericMethodDefinition, "#A2");
MethodInfo m2 = typeof (A<int>).GetMethod ("Foo");
Assert.IsTrue (m2.IsGenericMethod, "#B1");
Assert.IsTrue (m2.IsGenericMethodDefinition, "#B2");
MethodInfo m3 = m2.MakeGenericMethod (typeof (int));
Assert.IsTrue (m3.IsGenericMethod, "#C1");
Assert.IsFalse (m3.IsGenericMethodDefinition, "#C2");
}
[Test]
public void GetGenericMethodDefinition ()
{
MethodInfo mi1 = typeof (MyList<>).GetMethod ("ConvertAll");
MethodInfo mi2 = typeof (MyList<int>).GetMethod ("ConvertAll");
Assert.AreEqual ("MonoTests.System.Reflection.MethodInfoTest+Foo`2[T,TOutput]",
mi1.GetParameters () [0].ParameterType.ToString (), "#A1");
Assert.AreEqual ("MonoTests.System.Reflection.MethodInfoTest+Foo`2[System.Int32,TOutput]",
mi2.GetParameters () [0].ParameterType.ToString (), "#A2");
Assert.IsTrue (mi1.IsGenericMethod, "#A3");
Assert.IsTrue (mi1.IsGenericMethodDefinition, "#A4");
Assert.IsTrue (mi2.IsGenericMethod, "#A5");
Assert.IsTrue (mi2.IsGenericMethodDefinition, "#A6");
MethodInfo mi3 = mi2.GetGenericMethodDefinition ();
Assert.IsTrue (mi3.IsGenericMethod, "#B1");
Assert.IsTrue (mi3.IsGenericMethodDefinition, "#B2");
Assert.AreSame (mi2, mi3, "#B3");
MethodInfo mi4 = mi2.MakeGenericMethod (typeof (short));
Assert.IsTrue (mi4.IsGenericMethod, "#C1");
Assert.IsFalse (mi4.IsGenericMethodDefinition, "#C2");
Assert.AreSame (mi2, mi4.GetGenericMethodDefinition (), "#C3");
}
public void TestMethod123(int a, int b) {}
[Test]
public void GetParametersDontReturnInternedArray ()
{
var method = typeof (MethodInfoTest).GetMethod ("TestMethod123");
var parms = method.GetParameters ();
Assert.AreNotSame (parms, method.GetParameters (), "#1");
parms [0] = null;
Assert.IsNotNull (method.GetParameters () [0], "#2");
}
[Test]
public void Bug354757 ()
{
MethodInfo gmd = (typeof (MyList <int>)).GetMethod ("ConvertAll");
MethodInfo oi = gmd.MakeGenericMethod (gmd.GetGenericArguments ());
Assert.AreSame (gmd, oi);
}
[Test]
[ExpectedException (typeof (ArgumentException))]
#if MOBILE
[Category ("NotWorking")] // #10552
#endif
public void MakeGenericMethodRespectConstraints ()
{
var m = typeof (MethodInfoTest).GetMethod ("TestMethod");
m.MakeGenericMethod (typeof (Type));
}
public void TestMethod <T> () where T : Exception
{
}
public class MyList<T>
{
public TOutput ConvertAll<TOutput> (Foo<T,TOutput> arg)
{
return default (TOutput);
}
public T ConvertAll2 (MyList<T> arg)
{
return default (T);
}
}
public class Foo<T,TOutput>
{
}
class GenericHelper<T>
{
public void Test (T t)
{
}
}
#endif
#if NET_4_0
interface IMethodInvoke<out T>
{
T Test ();
}
class MethodInvoke : IMethodInvoke<string>
{
public string Test ()
{
return "MethodInvoke";
}
}
[Test]
public void GetInterfaceMapWorksWithVariantIfaces ()
{
var m0 = typeof (IMethodInvoke<object>).GetMethod ("Test");
var m1 = typeof (IMethodInvoke<string>).GetMethod ("Test");
var obj = new MethodInvoke ();
Assert.AreEqual ("MethodInvoke", m0.Invoke (obj, new Object [0]));
Assert.AreEqual ("MethodInvoke", m1.Invoke (obj, new Object [0]));
}
#endif
public int? Bug12856 ()
{
return null;
}
[Test] //Bug #12856
public void MethodToStringShouldPrintFullNameOfGenericStructs ()
{
var m = GetType ().GetMethod ("Bug12856");
Assert.AreEqual ("System.Nullable`1[System.Int32] Bug12856()", m.ToString (), "#1");
}
}
#if NET_2_0
// Helper class
class RefOnlyMethodClass
{
// Helper static method
static void RefOnlyMethod ()
{
}
}
public class MethodHandleTest<T>
{
private List<T> _myList = new List<T> ();
public MethodHandleTest ()
{
_myList.Add (default (T));
}
public List<T> MyList {
get { return _myList; }
set { _myList = value; }
}
}
#endif
}