// (C) Novell, Inc. http://www.novell.com
using System;
+using System.Collections.Generic;
using System.Reflection;
using System.Reflection.Emit;
+using System.Runtime.InteropServices;
using System.Threading;
using NUnit.Framework;
-namespace MonoTests.System.Reflection.Emit {
-
+namespace MonoTests.System.Reflection.Emit
+{
[TestFixture]
- public class ILGeneratorTest {
-
+ public class ILGeneratorTest
+ {
TypeBuilder tb;
ILGenerator il_gen;
- static TypeBuilder DefineDynType ()
- {
- AssemblyName assemblyName = new AssemblyName ();
- assemblyName.Name = "MonoTests.System.Reflection.Emit.ILGeneratorTest";
-
- AssemblyBuilder assembly = Thread.GetDomain ().DefineDynamicAssembly (
- assemblyName, AssemblyBuilderAccess.Run);
-
- ModuleBuilder module = assembly.DefineDynamicModule ("module1");
- return module.DefineType ("T", TypeAttributes.Public);
- }
-
void DefineBasicMethod ()
{
MethodBuilder mb = tb.DefineMethod("F",
[SetUp]
public void SetUp ()
- {
- tb = DefineDynType ();
+ {
+ AssemblyName assemblyName = new AssemblyName ();
+ assemblyName.Name = "MonoTests.System.Reflection.Emit.ILGeneratorTest";
+
+ AssemblyBuilder assembly = Thread.GetDomain ().DefineDynamicAssembly (
+ assemblyName, AssemblyBuilderAccess.Run);
+
+ ModuleBuilder module = assembly.DefineDynamicModule ("module1");
+ tb = module.DefineType ("T", TypeAttributes.Public);
}
[Test]
- [ExpectedException (typeof (ArgumentNullException))]
- public void DeclareLocal_NULL ()
+ public void DeclareLocal_LocalType_Null ()
{
DefineBasicMethod ();
- il_gen.DeclareLocal (null);
+ try {
+ il_gen.DeclareLocal (null);
+ Assert.Fail ("#A1");
+ } catch (ArgumentNullException ex) {
+ Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#A2");
+ Assert.IsNull (ex.InnerException, "#A3");
+ Assert.IsNotNull (ex.Message, "#A4");
+ Assert.IsNotNull (ex.ParamName, "#A5");
+ Assert.AreEqual ("localType", ex.ParamName, "#A");
+ }
+
+ try {
+ il_gen.DeclareLocal (null, false);
+ Assert.Fail ("#B1");
+ } catch (ArgumentNullException ex) {
+ Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#B2");
+ Assert.IsNull (ex.InnerException, "#B3");
+ Assert.IsNotNull (ex.Message, "#B4");
+ Assert.IsNotNull (ex.ParamName, "#B5");
+ Assert.AreEqual ("localType", ex.ParamName, "#B6");
+ }
}
[Test]
public void DefineFilterBodyWithTypeNotNull ()
{
DefineBasicMethod ();
-
il_gen.BeginExceptionBlock ();
il_gen.EmitWriteLine ("in try");
il_gen.BeginExceptFilterBlock ();
il_gen.EmitWriteLine ("in filter body");
il_gen.EndExceptionBlock ();
}
+
+ [Test] // bug #81431
+ public void FilterAndCatchBlock ()
+ {
+ DefineBasicMethod ();
+ ILGenerator il = il_gen;
+ il.BeginExceptionBlock ();
+ il.BeginExceptFilterBlock ();
+ il.BeginCatchBlock (null);
+ il.BeginCatchBlock (typeof (SystemException));
+ }
+
+ [Test]
+ [ExpectedException (typeof (InvalidOperationException))]
+ public void InvalidFilterBlock1 ()
+ {
+ DefineBasicMethod ();
+ ILGenerator il = il_gen;
+ il.BeginExceptionBlock ();
+ il.BeginExceptFilterBlock ();
+ il.EndExceptionBlock ();
+ }
+
+ [Test]
+ public void ValidFilterBlock1 ()
+ {
+ DefineBasicMethod ();
+ ILGenerator il = il_gen;
+ il.BeginExceptionBlock ();
+ il.BeginExceptFilterBlock ();
+ il.BeginFaultBlock ();
+ il.EndExceptionBlock ();
+ }
+
+ [Test]
+ public void ValidFilterBlock2 ()
+ {
+ DefineBasicMethod ();
+ ILGenerator il = il_gen;
+ il.BeginExceptionBlock ();
+ il.BeginExceptFilterBlock ();
+ il.BeginFinallyBlock ();
+ il.EndExceptionBlock ();
+ }
/// <summary>
/// Try to emit something like that:
il_gen.Emit (OpCodes.Ret);
}
+ [Test] // Emit (OpCode, ConstructorInfo)
+ [Category ("NotDotNet")] // MS bug: https://connect.microsoft.com/VisualStudio/feedback/ViewFeedback.aspx?FeedbackID=304610
+ public void Emit3_Constructor_Null ()
+ {
+ DefineBasicMethod ();
+ try {
+ il_gen.Emit (OpCodes.Newobj, (ConstructorInfo) 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.IsNotNull (ex.ParamName, "#5");
+ }
+ }
+
+ [Test] // Emit (OpCode, ConstructorInfo)
+ [Category ("NotWorking")] // MS bug: https://connect.microsoft.com/VisualStudio/feedback/ViewFeedback.aspx?FeedbackID=304610
+ public void Emit3_Constructor_Null_MS ()
+ {
+ DefineBasicMethod ();
+ try {
+ il_gen.Emit (OpCodes.Newobj, (ConstructorInfo) null);
+ Assert.Fail ("#1");
+ } catch (NullReferenceException) {
+ }
+ }
+
+ [Test] // Emit (OpCode, FieldInfo)
+ public void Emit5_Field_Null ()
+ {
+ DefineBasicMethod ();
+ try {
+ il_gen.Emit (OpCodes.Ldsfld, (FieldInfo) 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.IsNotNull (ex.ParamName, "#5");
+ }
+ }
+
+ [Test] // Emit (OpCode, Label [])
+ [Category ("NotDotNet")] // MS bug: https://connect.microsoft.com/VisualStudio/feedback/ViewFeedback.aspx?FeedbackID=304610
+ public void Emit10_Labels_Null ()
+ {
+ DefineBasicMethod ();
+ try {
+ il_gen.Emit (OpCodes.Switch, (Label []) 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.IsNotNull (ex.ParamName, "#5");
+ Assert.AreEqual ("labels", ex.ParamName, "#6");
+ }
+ }
+
+ [Test]
+ [Category ("NotWorking")] // MS bug: https://connect.microsoft.com/VisualStudio/feedback/ViewFeedback.aspx?FeedbackID=304610
+ public void Emit10_Labels_Null_MS ()
+ {
+ DefineBasicMethod ();
+ try {
+ il_gen.Emit (OpCodes.Switch, (Label []) null);
+ Assert.Fail ("#1");
+ } catch (NullReferenceException) {
+ }
+ }
+
+ [Test] // Emit (OpCode, LocalBuilder)
+ public void Emit11_Local_Null ()
+ {
+ DefineBasicMethod ();
+ try {
+ il_gen.Emit (OpCodes.Switch, (LocalBuilder) 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.IsNotNull (ex.ParamName, "#5");
+ Assert.AreEqual ("local", ex.ParamName, "#6");
+ }
+ }
+
+ [Test] // Emit (OpCode, MethodInfo)
+ public void Emit12_Method_Null ()
+ {
+ DefineBasicMethod ();
+ try {
+ il_gen.Emit (OpCodes.Switch, (MethodInfo) 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.IsNotNull (ex.ParamName, "#5");
+ Assert.AreEqual ("meth", ex.ParamName, "#6");
+ }
+ }
+
+ [Test] // Emit (OpCode, SignatureHelper)
+ public void Emit14_Signature_Null ()
+ {
+ DefineBasicMethod ();
+ try {
+ il_gen.Emit (OpCodes.Switch, (SignatureHelper) 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.IsNotNull (ex.ParamName, "#5");
+ }
+ }
+
+ [Test] // Emit (OpCode, String)
+ public void Emit16_String_Null ()
+ {
+ DefineBasicMethod ();
+ try {
+ il_gen.Emit (OpCodes.Switch, (String) null);
+ Assert.Fail ("#1");
+ } catch (ArgumentNullException ex) {
+ Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#2");
+ Assert.IsNull (ex.InnerException, "#3");
+ Assert.IsNotNull (ex.Message, "#4");
+ }
+ }
+
+ [Test] // Emit (OpCode, Type)
+ public void Emit16_Type_Null ()
+ {
+ DefineBasicMethod ();
+ try {
+ il_gen.Emit (OpCodes.Switch, (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.IsNotNull (ex.ParamName, "#5");
+ }
+ }
+
+ [Test]
+ public void EmitCall_MethodInfo_Null ()
+ {
+ DefineBasicMethod ();
+ try {
+ il_gen.EmitCall (OpCodes.Call, (MethodInfo) null, 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.IsNotNull (ex.ParamName, "#5");
+ Assert.AreEqual ("methodInfo", ex.ParamName, "#6");
+ }
+ }
+
[Test]
public void TestFilterEmittingWithHandlerExecution ()
{
Assert.IsTrue ((bool) tf.Invoke (null, new object [] { true }));
}
+ delegate void FooFoo ();
+
+ static void Foo ()
+ {
+ }
+
+ [Test]
+ public void TestEmitCalliWithNullReturnType ()
+ {
+ MethodBuilder mb = tb.DefineMethod ("F",
+ MethodAttributes.Public | MethodAttributes.Static, null, new Type [] { typeof (IntPtr) });
+ mb.SetImplementationFlags (MethodImplAttributes.NoInlining);
+ il_gen = mb.GetILGenerator ();
+ il_gen.Emit (OpCodes.Ldarg_0);
+ il_gen.EmitCalli (OpCodes.Calli, CallingConvention.StdCall, null, Type.EmptyTypes);
+ il_gen.Emit (OpCodes.Ret);
+
+ Type dynt = tb.CreateType ();
+ dynt.GetMethod ("F", BindingFlags.Public | BindingFlags.Static).Invoke (
+ null, new object [] { Marshal.GetFunctionPointerForDelegate (new FooFoo (Foo)) });
+ }
+
+ //Test for #509131
+ [Test]
+ public void TestEmitCallIgnoresOptionalArgsForNonVarargMethod ()
+ {
+ DefineBasicMethod ();
+ try {
+ il_gen.EmitCall (OpCodes.Call, typeof (object).GetMethod ("GetHashCode"), new Type[] { typeof (string) });
+ } catch (InvalidOperationException ex) {
+ Assert.Fail ("#1");
+ }
+ }
+
[Test]
[ExpectedException (typeof (Exception))]
public void TestFilterEmittingWithoutHandlerExecution ()
throw tie.InnerException;
}
}
+
+ [Test]
+ public void TestEmitLocalInfoWithNopOpCode ()
+ {
+ var method_builder = tb.DefineMethod ("linop", MethodAttributes.Public | MethodAttributes.Static, typeof (bool), Type.EmptyTypes);
+ il_gen = method_builder.GetILGenerator ();
+
+ var local = il_gen.DeclareLocal (typeof (int));
+ il_gen.Emit (OpCodes.Nop, local);
+ il_gen.Emit (OpCodes.Ldc_I4_1);
+ il_gen.Emit (OpCodes.Ret);
+
+ var type = tb.CreateType ();
+ var method = type.GetMethod ("linop");
+
+ Assert.IsNotNull (method);
+ Assert.IsTrue ((bool) method.Invoke (null, new object [0]));
+ }
+
+ [Test]
+ [ExpectedException (typeof (ArgumentException))]
+ public void LdObjByRef () {
+ DefineBasicMethod ();
+ ILGenerator ig = il_gen;
+
+ ig.Emit (OpCodes.Ldtoken, typeof (int).MakeByRefType ());
+ }
+
+
+
+ [Test] //bug #649017
+ public void GtdEncodingAsOpenInstance () {
+ AssemblyName asmname = new AssemblyName ();
+ asmname.Name = "test";
+ AssemblyBuilder asmbuild = Thread.GetDomain ().DefineDynamicAssembly (asmname, AssemblyBuilderAccess.RunAndSave);
+ ModuleBuilder modbuild = asmbuild.DefineDynamicModule ("modulename", "test.exe");
+
+ TypeBuilder myType = modbuild.DefineType ("Sample", TypeAttributes.Public);
+
+ string[] typeParamNames = { "TFirst" };
+ myType.DefineGenericParameters (typeParamNames);
+
+ var nested = myType.DefineNestedType ("nested");
+ nested.DefineGenericParameters (typeParamNames);
+
+ var m = myType.DefineMethod ("test", MethodAttributes.Public);
+ m.SetParameters (myType);
+
+ var ilgen = m.GetILGenerator ();
+ ilgen.Emit (OpCodes.Castclass, nested);
+ ilgen.Emit (OpCodes.Castclass, typeof (List<>));
+ ilgen.Emit (OpCodes.Ldtoken, nested);
+ ilgen.Emit (OpCodes.Ldtoken, typeof (List<>));
+
+ var baked = myType.CreateType ();
+ nested.CreateType ();
+
+ var method = baked.GetMethod ("test");
+ var body = method.GetMethodBody ();
+ /*
+ The resulting IL is:
+ [ 0] 0x74 token:uint
+ [ 5] 0x74 token:uint
+ [10] 0xd0 token:uint
+ [10] 0xd0 token:uint
+ The first two tokens must be to typespecs and the last two to typeref/typedef*/
+ var il = body.GetILAsByteArray ();
+
+ Assert.AreEqual (20, il.Length, "#1");
+ Assert.AreEqual (0x1B, il [4]); //typespec
+ Assert.AreEqual (0x1B, il [9]); //typespec
+ Assert.AreEqual (0x02, il [14]); //typedef
+ Assert.AreEqual (0x01, il [19]); //typeref
+ }
+
+ [Test]
+ public void MethodRefTokenSame () {
+ // Get the same non-virtual method from a base and a derived type so
+ // that the MemberInfo:DeclaredType differs but the tokens are the same.
+ //
+ // Regression test for bugzilla #59364
+
+ DefineBasicMethod ();
+
+ var m1 = typeof (object).GetMethod ("GetType");
+ var m2 = typeof (string).GetMethod ("GetType");
+
+ var value_getter = typeof (RuntimeMethodHandle).GetProperty ("Value").GetMethod;
+
+ var il = il_gen;
+
+ var loc = il.DeclareLocal (typeof (RuntimeMethodHandle));
+
+ // return ((int)(RuntimeMethodHandle (m1).Value == RuntimeMethodHandle (m2).Value)).ToString ()
+ il.Emit (OpCodes.Ldtoken, m1);
+ il.Emit (OpCodes.Stloc, loc);
+ il.Emit (OpCodes.Ldloca, loc);
+ il.Emit (OpCodes.Call, value_getter);
+ il.Emit (OpCodes.Ldtoken, m2);
+ il.Emit (OpCodes.Stloc, loc);
+ il.Emit (OpCodes.Ldloca, loc);
+ il.Emit (OpCodes.Call, value_getter);
+ il.Emit (OpCodes.Ceq);
+ il.Emit (OpCodes.Box, typeof (Int32));
+ il.Emit (OpCodes.Callvirt, typeof (object).GetMethod ("ToString"));
+ il.Emit (OpCodes.Ret);
+
+ var baked = tb.CreateType ();
+
+ var x = Activator.CreateInstance (baked);
+ var m = baked.GetMethod ("F");
+
+ var s = m.Invoke (x, null);
+
+ Assert.AreEqual ("1", s);
+
+ }
+
+ public class Base {
+ public int x;
+ }
+
+ public class Derived : Base {
+ }
+
+ [Test]
+ public void FieldRefTokenSame () {
+ DefineBasicMethod ();
+
+ // Get the same field from a base and a derived type so hat
+ // the MemberInfo:DeclaredType differs but the tokens are the same.
+ //
+ // Regression test for bugzilla #59364
+
+ var f1 = typeof (Base).GetField ("x");
+ var f2 = typeof (Derived).GetField ("x");
+
+ var value_getter = typeof (RuntimeFieldHandle).GetProperty("Value").GetMethod;
+
+ var il = il_gen;
+
+ var loc = il.DeclareLocal (typeof (RuntimeFieldHandle));
+
+ il.Emit (OpCodes.Ldtoken, f1);
+ il.Emit (OpCodes.Stloc, loc);
+ il.Emit (OpCodes.Ldloca, loc);
+ il.Emit (OpCodes.Call, value_getter);
+ il.Emit (OpCodes.Ldtoken, f2);
+ il.Emit (OpCodes.Stloc, loc);
+ il.Emit (OpCodes.Ldloca, loc);
+ il.Emit (OpCodes.Call, value_getter);
+ il.Emit (OpCodes.Ceq);
+ il.Emit (OpCodes.Box, typeof (Int32));
+ il.Emit (OpCodes.Callvirt, typeof (object).GetMethod ("ToString"));
+ il.Emit (OpCodes.Ret);
+
+ var baked = tb.CreateType ();
+
+ var x = Activator.CreateInstance (baked);
+ var m = baked.GetMethod ("F");
+
+ var s = m.Invoke (x, null);
+
+ Assert.AreEqual ("1", s);
+ }
+
}
}
projects / mono.git / blobdiff