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//
// MonoGenericClassTest.cs - NUnit Test Cases for MonoGenericClassTest
//
// Rodrigo Kumpera <rkumpera@novell.com>
//
// Copyright (C) 2009 Novell, Inc (http://www.novell.com)
// Copyright 2011 Xamarin Inc (http://www.xamarin.com).
//
#if !MONOTOUCH && !FULL_AOT_RUNTIME
using System;
using System.Collections;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Threading;
using System.Reflection;
using System.Reflection.Emit;
using System.IO;
using System.Security;
using System.Security.Permissions;
using System.Runtime.InteropServices;
using NUnit.Framework;
using System.Runtime.CompilerServices;
namespace MonoTests.System.Reflection.Emit
{
[TestFixture]
public class MonoGenericClassTest
{
AssemblyBuilder assembly;
ModuleBuilder module;
int typeCount;
static string ASSEMBLY_NAME = "MonoTests.System.Reflection.Emit.MonoGenericClassTest";
string MakeName ()
{
return "internal__type"+ typeCount++;
}
[SetUp]
public void SetUp ()
{
SetUp (AssemblyBuilderAccess.RunAndSave);
}
void SetUp (AssemblyBuilderAccess access)
{
AssemblyName assemblyName = new AssemblyName ();
assemblyName.Name = ASSEMBLY_NAME;
assembly =
Thread.GetDomain ().DefineDynamicAssembly (
assemblyName, access, Path.GetTempPath ());
module = assembly.DefineDynamicModule ("module1");
typeCount = 0;
}
[Test]
public void TestNameMethods ()
{
TypeBuilder tb = module.DefineType ("foo.type");
tb.DefineGenericParameters ("T", "K");
Type inst = tb.MakeGenericType (typeof (double), typeof (string));
Assert.AreEqual ("type", inst.Name, "#1");
Assert.AreEqual ("foo", inst.Namespace, "#2");
#if !MOBILE
Assert.AreEqual ("foo.type[[System.Double, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089],[System.String, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]]", inst.FullName, "#3");
Assert.AreEqual ("foo.type[[System.Double, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089],[System.String, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]], MonoTests.System.Reflection.Emit.MonoGenericClassTest, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null", inst.AssemblyQualifiedName, "#4");
#elif MOBILE || MOBILE
Assert.AreEqual ("foo.type[[System.Double, mscorlib, Version=2.0.5.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.String, mscorlib, Version=2.0.5.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]]", inst.FullName, "#3");
Assert.AreEqual ("foo.type[[System.Double, mscorlib, Version=2.0.5.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.String, mscorlib, Version=2.0.5.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]], MonoTests.System.Reflection.Emit.MonoGenericClassTest, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null", inst.AssemblyQualifiedName, "#4");
Assert.AreEqual ("foo.type[System.Double,System.String]", inst.ToString (), "#5");
#endif
}
static void CheckInst (string prefix, Type inst, int a, int b)
{
var resA = inst.GetMethods (BindingFlags.Public | BindingFlags.Instance | BindingFlags.DeclaredOnly);
var resB = inst.GetMethods (BindingFlags.Public | BindingFlags.Instance);
Assert.AreEqual (a, resA.Length, prefix + 1);
Assert.AreEqual (b, resB.Length, prefix + 2);
}
[Test]
public void MethodsThatRaiseNotSupported ()
{
var tb = module.DefineType ("foo.type");
tb.DefineGenericParameters ("T");
var ginst = tb.MakeGenericType (typeof (double));
try {
ginst.GetElementType ();
Assert.Fail ("#1");
} catch (NotSupportedException) { }
try {
ginst.GetInterface ("foo", true);
Assert.Fail ("#2");
} catch (NotSupportedException) { }
try {
ginst.GetEvent ("foo", BindingFlags.Public | BindingFlags.Instance);
Assert.Fail ("#3");
} catch (NotSupportedException) { }
try {
ginst.GetField ("foo", BindingFlags.Public | BindingFlags.Instance);
Assert.Fail ("#4");
} catch (NotSupportedException) { }
try {
ginst.GetMembers (BindingFlags.Public | BindingFlags.Instance);
Assert.Fail ("#5");
} catch (NotSupportedException) { }
try {
ginst.GetMethod ("Foo");
Assert.Fail ("#6");
} catch (NotSupportedException) { }
try {
ginst.GetNestedType ("foo", BindingFlags.Public | BindingFlags.Instance);
Assert.Fail ("#7");
} catch (NotSupportedException) { }
try {
ginst.GetProperty ("foo");
Assert.Fail ("#8");
} catch (NotSupportedException) { }
try {
var x = ginst.TypeInitializer;
Assert.Fail ("#9");
} catch (NotSupportedException) { }
try {
var x = ginst.InvokeMember ("foo", BindingFlags.InvokeMethod | BindingFlags.Public | BindingFlags.Instance, null, null, null);
Assert.Fail ("#10");
} catch (NotSupportedException) { }
try {
ginst.IsDefined (typeof (int), true);
Assert.Fail ("#11");
} catch (NotSupportedException) { }
try {
ginst.GetCustomAttributes (true);
Assert.Fail ("#12");
} catch (NotSupportedException) { }
try {
ginst.GetCustomAttributes (typeof (int), true);
Assert.Fail ("#13");
} catch (NotSupportedException) { }
try {
ginst.IsAssignableFrom (ginst);
Assert.Fail ("#14");
} catch (NotSupportedException) { }
try {
ginst.GetNestedTypes (BindingFlags.Public);
Assert.Fail ("#14");
} catch (NotSupportedException) { }
}
[Test]
public void ClassMustNotBeRegisteredAfterTypeBuilderIsFinished ()
{
TypeBuilder tb = module.DefineType ("foo.type");
tb.DefineGenericParameters ("T");
var c = tb.CreateType ();
var sreInst = tb.MakeGenericType (typeof (int));
var rtInst = c.MakeGenericType (typeof (int));
Assert.AreNotSame (sreInst, rtInst, "#1");
/*This must not throw*/
rtInst.IsDefined (typeof (int), true);
}
public class Bar<T> {
public class Foo<U> {}
}
[Test]
public void DeclaringTypeMustReturnNonInflatedType ()
{
var ut = new TypeDelegator (typeof (int));
var ut2 = typeof(Bar<>.Foo<>);
var t = ut2.MakeGenericType (ut, ut);
Assert.AreSame (typeof (Bar<>), t.DeclaringType, "#1");
}
public class Base<T> {}
public class SubClass<K> : Base<K> {}
[Test]
public void BaseTypeMustReturnNonInflatedType ()
{
var ut = new TypeDelegator (typeof (int));
var ut2 = typeof(SubClass<>);
var t = ut2.MakeGenericType (ut);
//This is Base<K> where K is SubClass::K
var expected = typeof (Base<>).MakeGenericType (typeof (SubClass<>).GetGenericArguments ()[0]);
Assert.AreSame (expected, t.BaseType, "#1");
}
[Test]
public void GenericClassFromStaleTypeBuilderDoesNotClassInit ()
{
// interface JJJ<T> {
// abstract void W (x : T)
// }
MethodInfo winfo = null;
TypeBuilder ib = null;
Type ic = null;
Type icreated = null;
{
ib = module.DefineType ("Foo.JJJ`1",
TypeAttributes.Public
| TypeAttributes.Interface
| TypeAttributes.Abstract);
String[] gens = { "T" };
GenericTypeParameterBuilder[] gbs = ib.DefineGenericParameters (gens);
var gb = gbs[0];
winfo = ib.DefineMethod ("W",
MethodAttributes.Public |
MethodAttributes.Abstract |
MethodAttributes.Virtual,
CallingConventions.HasThis,
typeof(void),
new Type[] { gb });
icreated = ib.CreateType();
}
// class SSS : JJJ<char> {
// bool wasCalled;
// void JJJ.W (x : T) { wasCalled = true; return; }
// }
TypeBuilder tb = null;
MethodBuilder mb = null;
{
tb = module.DefineType ("Foo.SSS",
TypeAttributes.Public,
null,
new Type[]{ icreated.MakeGenericType(typeof(char)) });
var wasCalledField = tb.DefineField ("wasCalled",
typeof(bool),
FieldAttributes.Public);
mb = tb.DefineMethod ("W_impl",
MethodAttributes.Public | MethodAttributes.Virtual,
CallingConventions.HasThis,
typeof (void),
new Type[] { typeof (char) });
{
var il = mb.GetILGenerator ();
il.Emit (OpCodes.Ldarg_0); // this
il.Emit (OpCodes.Ldc_I4_1);
il.Emit (OpCodes.Stfld, wasCalledField); // this.wasCalled = true
il.Emit (OpCodes.Ret);
}
}
ic = ib.MakeGenericType(typeof (char)); // this is a MonoGenericMethod
var mintf = TypeBuilder.GetMethod(ic, winfo);
// the next line causes mono_class_init_internal () to
// be called on JJJ<char> when we try to setup
// the vtable for SSS
tb.DefineMethodOverride(mb, mintf);
var result = tb.CreateType();
// o = new SSS()
object o = Activator.CreateInstance(result);
Assert.IsNotNull(o, "#1");
// ((JJJ<char>)o).W('a');
var m = icreated.MakeGenericType(typeof(char)).GetMethod("W", BindingFlags.Public | BindingFlags.Instance);
Assert.IsNotNull(m, "#2");
m.Invoke(o, new object[] {'a'});
var f = result.GetField("wasCalled", BindingFlags.Public | BindingFlags.Instance);
Assert.IsNotNull(f, "#3");
var wasCalledVal = f.GetValue(o);
Assert.IsNotNull(wasCalledVal, "#4");
Assert.AreEqual (wasCalledVal.GetType(), typeof(Boolean), "#5");
Assert.AreEqual (wasCalledVal, true, "#6");
}
}
}
#endif
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