public void GenerateStubTestConstructor()
{
var info = typeof(ExampleClass).GetConstructor(new [] { typeof(int) });
var stub = StubGenerator.GenerateStub(info);
var result = (ExampleClass)stub.Invoke(null, new object[] { 3, new ShimContext() });
Assert.NotNull(result);
Assert.Equal(3, result.Factor);
info = typeof(List <string>).GetConstructor(Type.EmptyTypes);
stub = StubGenerator.GenerateStub(info);
var resultList = (List <string>)stub.Invoke(null, new object[] { new ShimContext() });
Assert.NotNull(resultList);
Assert.Empty(resultList);
info = typeof(ExampleStruct).GetConstructor(new[] { typeof(int) });
stub = StubGenerator.GenerateStub(info);
var resultStruct = (ExampleStruct)stub.Invoke(null, new object[] { 3, new ShimContext() });
Assert.Equal(3, resultStruct.Factor);
}
private static void EmitILForConstructor(ILGenerator ilGenerator, OperandInstruction <MethodBase> instruction,
ConstructorInfo constructorInfo, int contextParamIndex)
{
/*if (PoseContext.StubCache.TryGetValue(constructorInfo, out DynamicMethod stub))
* {
* ilGenerator.Emit(OpCodes.Ldtoken, constructorInfo);
* ilGenerator.Emit(OpCodes.Ldtoken, constructorInfo.DeclaringType);
* ilGenerator.Emit(OpCodes.Call, stub);
* return;
* }*/
var methodBody = constructorInfo.GetMethodBody();
if (methodBody == null)
{
ilGenerator.Emit(instruction.OpCode, constructorInfo);
return;
}
if (instruction.OpCode != OpCodes.Newobj && instruction.OpCode != OpCodes.Call)
{
ilGenerator.Emit(instruction.OpCode, constructorInfo);
return;
}
var stub = StubGenerator.GenerateStub(constructorInfo, instruction.OpCode == OpCodes.Newobj);
ilGenerator.Emit(OpCodes.Ldarg, contextParamIndex);
ilGenerator.Emit(OpCodes.Call, stub);
//PoseContext.StubCache.TryAdd(constructorInfo, stub);
}