forked from castleproject/Core
/
InvocationTypeReuseTestCase.cs
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/
InvocationTypeReuseTestCase.cs
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// Copyright 2004-2021 Castle Project - http://www.castleproject.org/
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
namespace Castle.DynamicProxy.Tests
{
using System;
using Castle.DynamicProxy.Internal;
using NUnit.Framework;
/// <summary>
/// This fixture checks which <see cref="IInvocation"/> types get used for proxied methods.
/// Usually, DynamicProxy generates a separate implementation type per proxied method, but
/// in some cases, it can reuse predefined implementation types. Because this is beneficial
/// for runtime performance (as it reduces the amount of dynamic type generation performed),
/// we want to ensure that those predefined types do in fact get picked when they should be.
/// </summary>
[TestFixture]
public class InvocationTypeReuseTestCase : BasePEVerifyTestCase
{
[Test]
public void Non_generic_method_of_interface_proxy_without_target__uses__InterfaceMethodWithoutTargetInvocation()
{
var recorder = new InvocationTypeRecorder();
var proxy = generator.CreateInterfaceProxyWithoutTarget<IWithNonGenericMethod>(recorder);
proxy.Method();
Assert.AreEqual(typeof(InterfaceMethodWithoutTargetInvocation), recorder.InvocationType);
}
[Test]
public void Generic_method_of_interface_proxy_without_target__uses__InterfaceMethodWithoutTargetInvocation()
{
var recorder = new InvocationTypeRecorder();
var proxy = generator.CreateInterfaceProxyWithoutTarget<IWithGenericMethod>(recorder);
proxy.Method(42);
Assert.AreEqual(typeof(InterfaceMethodWithoutTargetInvocation), recorder.InvocationType);
}
public interface IWithNonGenericMethod
{
void Method();
}
public interface IWithGenericMethod
{
void Method<T>(T arg);
}
private sealed class InvocationTypeRecorder : IInterceptor
{
public Type InvocationType { get; private set; }
public void Intercept(IInvocation invocation)
{
InvocationType = invocation.GetType();
}
}
}
}