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|
//
// MethodBuilderTest.cs - NUnit Test Cases for the MethodBuilder class
//
// Zoltan Varga (vargaz@freemail.hu)
//
// (C) Ximian, Inc. http://www.ximian.com
// TODO:
// - implement 'Signature' (what the hell it does???) and test it
// - implement Equals and test it
using System;
using System.Threading;
using System.Reflection;
using System.Reflection.Emit;
using System.Runtime.CompilerServices;
using System.Security;
using System.Security.Permissions;
using System.Runtime.InteropServices;
using NUnit.Framework;
namespace MonoTests.System.Reflection.Emit
{
[TestFixture]
public class MethodBuilderTest : Assertion
{
private TypeBuilder genClass;
private ModuleBuilder module;
[SetUp]
protected void SetUp () {
AssemblyName assemblyName = new AssemblyName();
assemblyName.Name = "MonoTests.System.Reflection.Emit.MethodBuilderTest";
AssemblyBuilder assembly
= Thread.GetDomain().DefineDynamicAssembly(
assemblyName, AssemblyBuilderAccess.Run);
module = assembly.DefineDynamicModule("module1");
genClass = module.DefineType(genTypeName (),
TypeAttributes.Public);
}
static int methodIndexer = 0;
static int typeIndexer = 0;
// Return a unique method name
private string genMethodName () {
return "m" + (methodIndexer ++);
}
// Return a unique type name
private string genTypeName () {
return "class" + (typeIndexer ++);
}
[Test]
public void TestAttributes () {
MethodBuilder mb = genClass.DefineMethod (
genMethodName (), MethodAttributes.Public, typeof (void), new Type [0]);
AssertEquals ("Attributes works",
MethodAttributes.Public, mb.Attributes);
}
[Test]
public void TestCallingConvention () {
MethodBuilder mb = genClass.DefineMethod (
genMethodName (), 0, typeof (void), new Type[0]);
AssertEquals ("CallingConvetion defaults to Standard+HasThis",
CallingConventions.Standard | CallingConventions.HasThis,
mb.CallingConvention);
MethodBuilder mb3 = genClass.DefineMethod (
genMethodName (), 0, CallingConventions.VarArgs, typeof (void), new Type[0]);
AssertEquals ("CallingConvetion works",
CallingConventions.VarArgs | CallingConventions.HasThis,
mb3.CallingConvention);
MethodBuilder mb4 = genClass.DefineMethod (
genMethodName (), MethodAttributes.Static, CallingConventions.Standard,
typeof (void), new Type [0]);
AssertEquals ("Static implies !HasThis",
CallingConventions.Standard,
mb4.CallingConvention);
}
[Test]
public void TestDeclaringType () {
MethodBuilder mb = genClass.DefineMethod (
genMethodName (), 0, typeof (void), new Type[0]);
AssertEquals ("DeclaringType works",
genClass, mb.DeclaringType);
}
[Test]
public void TestInitLocals () {
MethodBuilder mb = genClass.DefineMethod (
genMethodName (), 0, typeof (void), new Type[0]);
Assert ("InitLocals defaults to true", mb.InitLocals);
mb.InitLocals = false;
Assert ("InitLocals is settable", !mb.InitLocals);
}
[Test]
[ExpectedException (typeof(NotSupportedException))]
public void TestMethodHandleIncomplete () {
MethodBuilder mb = genClass.DefineMethod (
genMethodName (), 0, typeof (void), new Type [0]);
RuntimeMethodHandle handle = mb.MethodHandle;
}
[Test]
[ExpectedException (typeof(NotSupportedException))]
public void TestMethodHandleComplete () {
MethodBuilder mb = genClass.DefineMethod (
genMethodName (), 0, typeof (void), new Type [0]);
mb.CreateMethodBody (new byte[2], 1);
genClass.CreateType ();
RuntimeMethodHandle handle = mb.MethodHandle;
}
[Test]
public void TestName () {
string name = genMethodName ();
MethodBuilder mb = genClass.DefineMethod (
name, 0, typeof (void), new Type [0]);
AssertEquals ("Name works", name, mb.Name);
}
[Test]
public void TestReflectedType () {
MethodBuilder mb = genClass.DefineMethod (
genMethodName (), 0, typeof (void), new Type [0]);
AssertEquals ("ReflectedType works",
genClass, mb.ReflectedType);
}
[Test]
public void TestReturnType () {
MethodBuilder mb = genClass.DefineMethod (
genMethodName (), 0, typeof (Console), new Type [0]);
AssertEquals ("ReturnType works", typeof (Console),
mb.ReturnType);
MethodBuilder mb2 = genClass.DefineMethod (
genMethodName (), 0, null, new Type [0]);
Assert ("void ReturnType works", (mb2.ReturnType == null) || (mb2.ReturnType == typeof (void)));
}
[Test]
public void TestReturnTypeCustomAttributes () {
MethodBuilder mb = genClass.DefineMethod (
genMethodName (), 0, typeof (Console), new Type [0]);
AssertEquals ("ReturnTypeCustomAttributes must be null", null,
mb.ReturnTypeCustomAttributes);
}
/*
public void TestSignature () {
MethodBuilder mb = genClass.DefineMethod (
"m91", 0, typeof (Console), new Type [1] { typeof (Console) });
Console.WriteLine (mb.Signature);
}
*/
[Test]
public void TestCreateMethodBody () {
MethodBuilder mb = genClass.DefineMethod (
genMethodName (), 0, typeof (void), new Type [0]);
// Clear body
mb.CreateMethodBody (null, 999);
// Check arguments 1.
try {
mb.CreateMethodBody (new byte[1], -1);
Fail ();
} catch (ArgumentOutOfRangeException) {
}
// Check arguments 2.
try {
mb.CreateMethodBody (new byte[1], 2);
Fail ();
} catch (ArgumentOutOfRangeException) {
}
mb.CreateMethodBody (new byte[2], 1);
// Could only be called once
try {
mb.CreateMethodBody (new byte[2], 1);
Fail ();
} catch (InvalidOperationException) {
}
// Can not be called on a created type
TypeBuilder tb = module.DefineType (genTypeName (), TypeAttributes.Public);
MethodBuilder mb2 = tb.DefineMethod (
genMethodName (), 0, typeof (void), new Type [0]);
ILGenerator ilgen = mb2.GetILGenerator ();
ilgen.Emit (OpCodes.Ret);
tb.CreateType ();
try {
mb2.CreateMethodBody (new byte[2], 1);
Fail ();
} catch (InvalidOperationException) {
}
}
[Test]
[ExpectedException (typeof(InvalidOperationException))]
public void TestDefineParameterInvalidIndexComplete ()
{
TypeBuilder tb = module.DefineType (genTypeName (), TypeAttributes.Public);
MethodBuilder mb = tb.DefineMethod (
genMethodName (), 0, typeof (void),
new Type[2] {
typeof(int), typeof(int)
});
mb.CreateMethodBody (new byte[2], 1);
tb.CreateType ();
mb.DefineParameter (-5, ParameterAttributes.None, "param1");
}
[Test]
[ExpectedException (typeof(InvalidOperationException))]
public void TestDefineParameterValidIndexComplete ()
{
TypeBuilder tb = module.DefineType (genTypeName (), TypeAttributes.Public);
MethodBuilder mb = tb.DefineMethod (
genMethodName (), 0, typeof (void),
new Type[2] {
typeof(int), typeof(int)
});
mb.CreateMethodBody (new byte[2], 1);
tb.CreateType ();
mb.DefineParameter (1, ParameterAttributes.None, "param1");
}
[Test]
public void TestDefineParameter () {
TypeBuilder tb = module.DefineType (genTypeName (), TypeAttributes.Public);
MethodBuilder mb = tb.DefineMethod (
genMethodName (), 0, typeof (void),
new Type [2] { typeof(int), typeof(int) });
// index out of range
// This fails on mono because the mono version accepts a 0 index
/*
try {
mb.DefineParameter (0, 0, "param1");
Fail ();
} catch (ArgumentOutOfRangeException) {
}
*/
try {
mb.DefineParameter (3, 0, "param1");
Fail ();
} catch (ArgumentOutOfRangeException) {
}
// Normal usage
mb.DefineParameter (1, 0, "param1");
mb.DefineParameter (1, 0, "param1");
mb.DefineParameter (2, 0, null);
mb.CreateMethodBody (new byte[2], 1);
tb.CreateType ();
try {
mb.DefineParameter (1, 0, "param1");
Fail ();
}
catch (InvalidOperationException) {
}
}
[Test]
#if NET_2_0
// MS.NET 2.x no longer allows a zero length method body
// to be emitted
[ExpectedException (typeof (InvalidOperationException))]
#endif
public void ZeroLengthBodyTest1 ()
{
MethodBuilder mb = genClass.DefineMethod (
genMethodName (), 0, typeof (void),
new Type [2] { typeof(int), typeof(int) });
mb.CreateMethodBody (new byte[2], 0);
genClass.CreateType ();
}
// A zero length method body can be created
[Test]
public void ZeroLengthBodyTest2 ()
{
MethodBuilder mb = genClass.DefineMethod (
genMethodName (), 0, typeof (void),
new Type [2] { typeof(int), typeof(int) });
mb.CreateMethodBody (new byte[2], 0);
}
[Test]
public void TestHashCode ()
{
TypeBuilder tb = module.DefineType (genTypeName (), TypeAttributes.Public);
string methodName = genMethodName ();
MethodBuilder mb = tb.DefineMethod (
methodName, 0, typeof (void),
new Type[2] {
typeof(int), typeof(int)
});
AssertEquals ("Hashcode of method should be equal to hashcode of method name",
methodName.GetHashCode (), mb.GetHashCode ());
}
[Test]
public void TestGetBaseDefinition () {
MethodBuilder mb = genClass.DefineMethod (
genMethodName (), 0, typeof (void), new Type [0]);
AssertEquals ("GetBaseDefinition works",
mb.GetBaseDefinition (), mb);
}
[Test]
public void TestGetILGenerator () {
MethodBuilder mb = genClass.DefineMethod (
genMethodName (), 0, typeof (void), new Type [0]);
// The same instance is returned on the second call
ILGenerator ilgen1 = mb.GetILGenerator ();
ILGenerator ilgen2 = mb.GetILGenerator ();
AssertEquals ("The same ilgen is returned on the second call",
ilgen1, ilgen2);
// Does not work on unmanaged code
MethodBuilder mb2 = genClass.DefineMethod (
genMethodName (), 0, typeof (void), new Type [0]);
try {
mb2.SetImplementationFlags (MethodImplAttributes.Unmanaged);
mb2.GetILGenerator ();
Fail ();
} catch (InvalidOperationException) {
}
try {
mb2.SetImplementationFlags (MethodImplAttributes.Native);
mb2.GetILGenerator ();
Fail ();
} catch (InvalidOperationException) {
}
}
[Test]
public void TestMethodImplementationFlags () {
TypeBuilder tb = module.DefineType (genTypeName (), TypeAttributes.Public);
MethodBuilder mb = tb.DefineMethod (
genMethodName (), 0, typeof (void), new Type [0]);
AssertEquals ("MethodImplementationFlags defaults to Managed+IL",
MethodImplAttributes.Managed | MethodImplAttributes.IL,
mb.GetMethodImplementationFlags ());
mb.SetImplementationFlags (MethodImplAttributes.OPTIL);
AssertEquals ("SetImplementationFlags works",
MethodImplAttributes.OPTIL,
mb.GetMethodImplementationFlags ());
mb.CreateMethodBody (new byte[2], 1);
mb.SetImplementationFlags (MethodImplAttributes.Managed);
tb.CreateType ();
try {
mb.SetImplementationFlags (MethodImplAttributes.OPTIL);
Fail ();
}
catch (InvalidOperationException) {
}
}
[Test]
public void TestGetModule () {
MethodBuilder mb = genClass.DefineMethod (
genMethodName (), 0, typeof (void), new Type [0]);
AssertEquals ("GetMethod works", module,
mb.GetModule ());
}
[Test]
public void TestGetParameters () {
TypeBuilder tb = module.DefineType (genTypeName (), TypeAttributes.Public);
MethodBuilder mb = tb.DefineMethod (
genMethodName (), 0, typeof (void), new Type [1] {typeof(void)});
/*
* According to the MSDN docs, this method should fail with a
* NotSupportedException. In reality, it throws an
* InvalidOperationException under MS .NET, and returns the
* requested data under mono.
*/
/*
try {
mb.GetParameters ();
Fail ("#161");
} catch (InvalidOperationException ex) {
Console.WriteLine (ex);
}
*/
}
[Test]
public void TestGetToken () {
TypeBuilder tb = module.DefineType (genTypeName (), TypeAttributes.Public);
MethodBuilder mb = tb.DefineMethod (
genMethodName (), 0, typeof (void), new Type [1] {typeof(void)});
mb.GetToken ();
}
[Test]
public void TestInvoke () {
MethodBuilder mb = genClass.DefineMethod (
genMethodName (), 0, typeof (void),
new Type [1] {typeof(int)});
try {
mb.Invoke (null, new object [1] { 42 });
Fail ();
} catch (NotSupportedException) {
}
try {
mb.Invoke (null, 0, null, new object [1] { 42 }, null);
Fail ();
} catch (NotSupportedException) {
}
}
[Test]
[ExpectedException (typeof (NotSupportedException))]
public void TestIsDefined () {
MethodBuilder mb = genClass.DefineMethod (
genMethodName (), 0, typeof (void),
new Type [1] {typeof(int)});
mb.IsDefined (null, true);
}
[Test]
public void TestGetCustomAttributes () {
MethodBuilder mb = genClass.DefineMethod (
genMethodName (), 0, typeof (void),
new Type [1] {typeof(int)});
try {
mb.GetCustomAttributes (true);
Fail ();
} catch (NotSupportedException) {
}
try {
mb.GetCustomAttributes (null, true);
Fail ();
} catch (NotSupportedException) {
}
}
[Test]
public void TestSetCustomAttribute () {
TypeBuilder tb = module.DefineType (genTypeName (), TypeAttributes.Public);
string name = genMethodName ();
MethodBuilder mb = tb.DefineMethod (
name, MethodAttributes.Public, typeof (void),
new Type [1] {typeof(int)});
// Null argument
try {
mb.SetCustomAttribute (null);
Fail ();
} catch (ArgumentNullException) {
}
byte[] custAttrData = { 1, 0, 0, 0, 0};
Type attrType = Type.GetType
("System.Reflection.AssemblyKeyNameAttribute");
Type[] paramTypes = new Type[1];
paramTypes[0] = typeof(String);
ConstructorInfo ctorInfo =
attrType.GetConstructor(paramTypes);
mb.SetCustomAttribute (ctorInfo, custAttrData);
// Test MethodImplAttribute
mb.SetCustomAttribute (new CustomAttributeBuilder (typeof (MethodImplAttribute).GetConstructor (new Type[1] { typeof (short) }), new object[1] {(short)MethodImplAttributes.Synchronized}));
mb.GetILGenerator ().Emit (OpCodes.Ret);
Type t = tb.CreateType ();
AssertEquals ("Setting MethodImplAttributes works",
t.GetMethod (name).GetMethodImplementationFlags (),
MethodImplAttributes.Synchronized);
// Null arguments again
try {
mb.SetCustomAttribute (null, new byte[2]);
Fail ();
} catch (ArgumentNullException) {
}
try {
mb.SetCustomAttribute (ctorInfo, null);
Fail ();
} catch (ArgumentNullException) {
}
}
[AttributeUsage (AttributeTargets.Parameter)]
class PrivateAttribute : Attribute {
public PrivateAttribute () {
}
}
[Test]
public void GetCustomAttributes () {
TypeBuilder tb = module.DefineType (genTypeName (), TypeAttributes.Public);
MethodBuilder mb = tb.DefineMethod ("foo", MethodAttributes.Public,
typeof (void),
new Type [1] {typeof(int)});
mb.GetILGenerator ().Emit (OpCodes.Ret);
Type attrType = typeof (ObsoleteAttribute);
ConstructorInfo ctorInfo =
attrType.GetConstructor (new Type [] { typeof (String) });
mb.SetCustomAttribute (new CustomAttributeBuilder (ctorInfo, new object [] { "FOO" }));
// Check that attributes not accessible are not returned
mb.SetCustomAttribute (new CustomAttributeBuilder (typeof (PrivateAttribute).GetConstructor (new Type [0]), new object [] { }));
Type t = tb.CreateType ();
// Try the created type
{
MethodInfo mi = t.GetMethod ("foo");
object[] attrs = mi.GetCustomAttributes (true);
AssertEquals (1, attrs.Length);
Assert (attrs [0] is ObsoleteAttribute);
AssertEquals ("FOO", ((ObsoleteAttribute)attrs [0]).Message);
}
// Try the type builder
{
MethodInfo mi = tb.GetMethod ("foo");
object[] attrs = mi.GetCustomAttributes (true);
AssertEquals (1, attrs.Length);
Assert (attrs [0] is ObsoleteAttribute);
AssertEquals ("FOO", ((ObsoleteAttribute)attrs [0]).Message);
}
}
[Test]
[ExpectedException (typeof (InvalidOperationException))]
public void TestAddDeclarativeSecurityAlreadyCreated () {
MethodBuilder mb = genClass.DefineMethod (
genMethodName (), MethodAttributes.Public, typeof (void),
new Type [0]);
ILGenerator ilgen = mb.GetILGenerator ();
ilgen.Emit (OpCodes.Ret);
genClass.CreateType ();
PermissionSet set = new PermissionSet (PermissionState.Unrestricted);
mb.AddDeclarativeSecurity (SecurityAction.Demand, set);
}
[Test]
[ExpectedException (typeof (ArgumentNullException))]
public void TestAddDeclarativeSecurityNullPermissionSet () {
MethodBuilder mb = genClass.DefineMethod (
genMethodName (), MethodAttributes.Public, typeof (void),
new Type [0]);
mb.AddDeclarativeSecurity (SecurityAction.Demand, null);
}
[Test]
public void TestAddDeclarativeSecurityInvalidAction () {
MethodBuilder mb = genClass.DefineMethod (
genMethodName (), MethodAttributes.Public, typeof (void),
new Type [0]);
SecurityAction[] actions = new SecurityAction [] {
SecurityAction.RequestMinimum,
SecurityAction.RequestOptional,
SecurityAction.RequestRefuse };
PermissionSet set = new PermissionSet (PermissionState.Unrestricted);
foreach (SecurityAction action in actions) {
try {
mb.AddDeclarativeSecurity (action, set);
Fail ();
} catch (ArgumentOutOfRangeException) {
}
}
}
[Test]
[ExpectedException (typeof (InvalidOperationException))]
public void TestAddDeclarativeSecurityDuplicateAction () {
MethodBuilder mb = genClass.DefineMethod (
genMethodName (), MethodAttributes.Public, typeof (void),
new Type [0]);
PermissionSet set = new PermissionSet (PermissionState.Unrestricted);
mb.AddDeclarativeSecurity (SecurityAction.Demand, set);
mb.AddDeclarativeSecurity (SecurityAction.Demand, set);
}
[AttributeUsage (AttributeTargets.Parameter)]
class ParamAttribute : Attribute {
public ParamAttribute () {
}
}
[Test]
public void TestDynamicParams () {
string mname = genMethodName ();
MethodBuilder mb = genClass.DefineMethod (
mname, MethodAttributes.Public, typeof (void),
new Type [] { typeof (int), typeof (string) });
ParameterBuilder pb = mb.DefineParameter (1, ParameterAttributes.In, "foo");
pb.SetConstant (52);
pb.SetCustomAttribute (new CustomAttributeBuilder (typeof (ParamAttribute).GetConstructors () [0], new object [] { }));
ParameterBuilder pb2 = mb.DefineParameter (2, 0, "bar");
pb2.SetConstant ("foo");
mb.GetILGenerator ().Emit (OpCodes.Ret);
Type t = genClass.CreateType ();
MethodInfo m = t.GetMethod (mname);
ParameterInfo[] pi = m.GetParameters ();
AssertEquals ("foo", pi [0].Name);
AssertEquals (true, pi [0].IsIn);
AssertEquals (52, pi [0].DefaultValue);
object[] cattrs = pi [0].GetCustomAttributes (true);
AssertEquals ("foo", pi [1].DefaultValue);
/* This test does not run under MS.NET: */
/*
AssertEquals (1, cattrs.Length);
AssertEquals (typeof (ParamAttribute), cattrs [0].GetType ());
*/
}
#if NET_2_0
[Test]
public void SetCustomAttribute_DllImport1 () {
string mname = genMethodName ();
TypeBuilder tb = module.DefineType (genTypeName (), TypeAttributes.Public);
MethodBuilder mb = tb.DefineMethod (
mname, MethodAttributes.Public, typeof (void),
new Type [] { typeof (int), typeof (string) });
// Create an attribute with default values
mb.SetCustomAttribute (new CustomAttributeBuilder(typeof(DllImportAttribute).GetConstructor(new Type[] { typeof(string) }), new object[] { "kernel32" }));
Type t = tb.CreateType ();
DllImportAttribute attr = (DllImportAttribute)((t.GetMethod (mname).GetCustomAttributes (typeof (DllImportAttribute), true)) [0]);
AssertEquals (CallingConvention.Winapi, attr.CallingConvention);
AssertEquals (mname, attr.EntryPoint);
AssertEquals ("kernel32", attr.Value);
AssertEquals (false, attr.ExactSpelling);
AssertEquals (true, attr.PreserveSig);
AssertEquals (false, attr.SetLastError);
AssertEquals (false, attr.BestFitMapping);
AssertEquals (false, attr.ThrowOnUnmappableChar);
}
[Test]
public void SetCustomAttribute_DllImport2 () {
string mname = genMethodName ();
TypeBuilder tb = module.DefineType (genTypeName (), TypeAttributes.Public);
MethodBuilder mb = tb.DefineMethod (
mname, MethodAttributes.Public, typeof (void),
new Type [] { typeof (int), typeof (string) });
CustomAttributeBuilder cb = new CustomAttributeBuilder (typeof (DllImportAttribute).GetConstructor (new Type [] {typeof (String)}), new object [] { "foo" }, new FieldInfo [] {typeof (DllImportAttribute).GetField ("EntryPoint"), typeof (DllImportAttribute).GetField ("CallingConvention"), typeof (DllImportAttribute).GetField ("CharSet"), typeof (DllImportAttribute).GetField ("ExactSpelling"), typeof (DllImportAttribute).GetField ("PreserveSig")}, new object [] { "bar", CallingConvention.StdCall, CharSet.Unicode, true, false });
mb.SetCustomAttribute (cb);
Type t = tb.CreateType ();
DllImportAttribute attr = (DllImportAttribute)((t.GetMethod (mname).GetCustomAttributes (typeof (DllImportAttribute), true)) [0]);
AssertEquals (CallingConvention.StdCall, attr.CallingConvention);
AssertEquals (CharSet.Unicode, attr.CharSet);
AssertEquals ("bar", attr.EntryPoint);
AssertEquals ("foo", attr.Value);
AssertEquals (true, attr.ExactSpelling);
AssertEquals (false, attr.PreserveSig);
AssertEquals (false, attr.SetLastError);
AssertEquals (false, attr.BestFitMapping);
AssertEquals (false, attr.ThrowOnUnmappableChar);
}
[Test]
public void SetCustomAttribute_DllImport3 () {
string mname = genMethodName ();
TypeBuilder tb = module.DefineType (genTypeName (), TypeAttributes.Public);
MethodBuilder mb = tb.DefineMethod (
mname, MethodAttributes.Public, typeof (void),
new Type [] { typeof (int), typeof (string) });
// Test attributes with three values (on/off/missing)
CustomAttributeBuilder cb = new CustomAttributeBuilder (typeof (DllImportAttribute).GetConstructor (new Type [] {typeof (String)}), new object [] { "foo" }, new FieldInfo [] { typeof (DllImportAttribute).GetField ("BestFitMapping"), typeof (DllImportAttribute).GetField ("ThrowOnUnmappableChar")}, new object [] { false, false });
mb.SetCustomAttribute (cb);
Type t = tb.CreateType ();
DllImportAttribute attr = (DllImportAttribute)((t.GetMethod (mname).GetCustomAttributes (typeof (DllImportAttribute), true)) [0]);
AssertEquals (false, attr.BestFitMapping);
AssertEquals (false, attr.ThrowOnUnmappableChar);
}
[Test]
public void SetCustomAttribute_DllImport4 () {
string mname = genMethodName ();
TypeBuilder tb = module.DefineType (genTypeName (), TypeAttributes.Public);
MethodBuilder mb = tb.DefineMethod (
mname, MethodAttributes.Public, typeof (void),
new Type [] { typeof (int), typeof (string) });
CustomAttributeBuilder cb = new CustomAttributeBuilder (typeof (DllImportAttribute).GetConstructor (new Type [] {typeof (String)}), new object [] { "foo" }, new FieldInfo [] { typeof (DllImportAttribute).GetField ("SetLastError"), typeof (DllImportAttribute).GetField ("BestFitMapping"), typeof (DllImportAttribute).GetField ("ThrowOnUnmappableChar")}, new object [] { true, true, true });
mb.SetCustomAttribute (cb);
Type t = tb.CreateType ();
DllImportAttribute attr = (DllImportAttribute)((t.GetMethod (mname).GetCustomAttributes (typeof (DllImportAttribute), true)) [0]);
AssertEquals (true, attr.SetLastError);
AssertEquals (true, attr.BestFitMapping);
AssertEquals (true, attr.ThrowOnUnmappableChar);
}
#endif
}
}
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