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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System;
using System.IO;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Runtime.Loader;
namespace ContextualReflectionTest
{
public interface IProgram
{
AssemblyLoadContext alc { get; }
Assembly alcAssembly { get; }
Type alcProgramType { get; }
IProgram alcProgramInstance { get; }
[MethodImplAttribute(MethodImplOptions.NoInlining)]
void RunTestsIsolated();
}
public class ConntextualReflectionProxy
{
public static AssemblyLoadContext CurrentContextualReflectionContext
{
get
{
#if AssemblyLoadContextContextualReflectionFacade
return AssemblyLoadContext.CurrentContextualReflectionContext;
#else
Type t = typeof (AssemblyLoadContext);
object result = t.InvokeMember("CurrentContextualReflectionContext",
BindingFlags.Public | BindingFlags.Static | BindingFlags.GetProperty,
null,
null,
new object [] {});
return (AssemblyLoadContext) result;
#endif
}
}
static public IDisposable EnterContextualReflection(AssemblyLoadContext alc)
{
#if AssemblyLoadContextContextualReflectionFacade
return alc.EnterContextualReflection();
#else
Type t = typeof (AssemblyLoadContext);
object result = t.InvokeMember("EnterContextualReflection",
BindingFlags.Public | BindingFlags.InvokeMethod | BindingFlags.Instance,
null,
alc,
new object [] {});
return (IDisposable) result;
#endif
}
static public IDisposable EnterContextualReflection(Assembly activating)
{
#if AssemblyLoadContextContextualReflectionFacade
return AssemblyLoadContext.EnterContextualReflection(activating);
#else
Type t = typeof (AssemblyLoadContext);
object result = t.InvokeMember("EnterContextualReflection",
BindingFlags.Public | BindingFlags.InvokeMethod | BindingFlags.Static,
null,
null,
new object [] {activating});
return (IDisposable) result;
#endif
}
}
public enum ResolveEvents
{
NoEvent,
ExpectedEvent,
};
public class TestResolve
{
static public ResolveEvents ResolveEvent { get; set;}
static public Assembly ResolvingTestDefault(AssemblyLoadContext alc, AssemblyName assemblyName)
{
if (assemblyName.Name.Contains("TestDefaultLoad") && (ResolveEvent == ResolveEvents.NoEvent))
{
ResolveEvent = ResolveEvents.ExpectedEvent;
}
return null;
}
static public Assembly ResolvingTestIsolated(AssemblyLoadContext alc, AssemblyName assemblyName)
{
if (assemblyName.Name.Contains("TestIsolatedLoad") && (ResolveEvent == ResolveEvents.NoEvent))
{
ResolveEvent = ResolveEvents.ExpectedEvent;
}
return null;
}
static public void Assert(ResolveEvents expected, Action action)
{
ResolveEvent = ResolveEvents.NoEvent;
try
{
action();
}
catch
{
}
finally
{
TestLibrary.Assert.AreEqual(expected, ResolveEvent);
}
}
}
}
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