void TestAssemblyLoad(bool isolated, Func <string, Assembly> assemblyLoad)
{
TestResolveMissingAssembly(isolated, (string assemblyName) => assemblyLoad(assemblyName));
using (ContextualReflectionProxy.EnterContextualReflection((Assembly)null))
{
Assembly assembly = assemblyLoad("ContextualReflection");
Assert.AreEqual(isolated ? alc : AssemblyLoadContext.Default, AssemblyLoadContext.GetLoadContext(assembly));
Assembly depends = assemblyLoad("ContextualReflectionDependency");
Assert.AreEqual(AssemblyLoadContext.Default, AssemblyLoadContext.GetLoadContext(depends));
}
using (ContextualReflectionProxy.EnterContextualReflection(AssemblyLoadContext.Default))
{
Assembly assembly = assemblyLoad("ContextualReflection");
Assert.AreEqual(AssemblyLoadContext.Default, AssemblyLoadContext.GetLoadContext(assembly));
Assembly depends = assemblyLoad("ContextualReflectionDependency");
Assert.AreEqual(AssemblyLoadContext.Default, AssemblyLoadContext.GetLoadContext(depends));
}
using (ContextualReflectionProxy.EnterContextualReflection(alc))
{
Assembly assembly = assemblyLoad("ContextualReflection");
Assert.AreEqual(alc, AssemblyLoadContext.GetLoadContext(assembly));
Assembly depends = assemblyLoad("ContextualReflectionDependency");
Assert.AreEqual(AssemblyLoadContext.Default, AssemblyLoadContext.GetLoadContext(depends));
}
}
void VerifyContextualReflectionProxy()
{
Assert.IsNull(ContextualReflectionProxy.CurrentContextualReflectionContext);
using (ContextualReflectionProxy.EnterContextualReflection(alc))
{
Assert.AreEqual(alc, ContextualReflectionProxy.CurrentContextualReflectionContext);
using (ContextualReflectionProxy.EnterContextualReflection(AssemblyLoadContext.Default))
{
Assert.AreEqual(AssemblyLoadContext.Default, ContextualReflectionProxy.CurrentContextualReflectionContext);
using (ContextualReflectionProxy.EnterContextualReflection((Assembly)null))
{
Assert.IsNull(ContextualReflectionProxy.CurrentContextualReflectionContext);
using (ContextualReflectionProxy.EnterContextualReflection(alcAssembly))
{
Assert.AreEqual(alc, ContextualReflectionProxy.CurrentContextualReflectionContext);
}
Assert.IsNull(ContextualReflectionProxy.CurrentContextualReflectionContext);
}
Assert.AreEqual(AssemblyLoadContext.Default, ContextualReflectionProxy.CurrentContextualReflectionContext);
}
Assert.AreEqual(alc, ContextualReflectionProxy.CurrentContextualReflectionContext);
}
Assert.IsNull(ContextualReflectionProxy.CurrentContextualReflectionContext);
}
void TestResolveMissingAssembly(bool isolated, Action <string> action, bool skipNullIsolated = false)
{
using (ContextualReflectionProxy.EnterContextualReflection((Assembly)null))
{
TestResolve.Assert(ResolveEvents.ExpectedEvent, () => action("TestDefaultLoad"));
if (!skipNullIsolated)
{
TestResolve.Assert(isolated ? ResolveEvents.ExpectedEvent : ResolveEvents.NoEvent, () => action("TestIsolatedLoad"));
}
}
using (ContextualReflectionProxy.EnterContextualReflection(AssemblyLoadContext.Default))
{
TestResolve.Assert(ResolveEvents.ExpectedEvent, () => action("TestDefaultLoad"));
TestResolve.Assert(ResolveEvents.NoEvent, () => action("TestIsolatedLoad"));
}
using (ContextualReflectionProxy.EnterContextualReflection(alc))
{
TestResolve.Assert(ResolveEvents.ExpectedEvent, () => action("TestDefaultLoad"));
TestResolve.Assert(ResolveEvents.ExpectedEvent, () => action("TestIsolatedLoad"));
}
}
void TestMockAssemblyThrows()
{
Exception e = Assert.ThrowsArgumentException("activating", () => ContextualReflectionProxy.EnterContextualReflection(new MockAssembly()));
}
void TestActivatorCreateInstance(bool isolated)
{
TestResolveMissingAssembly(isolated, (string assemblyName) => Activator.CreateInstance(assemblyName, "MyType"));
TestResolveMissingAssembly(isolated,
(string assemblyName) => Activator.CreateInstance("System.Private.CoreLib", string.Format("System.Collections.Generic.List`1[[MyType, {0}]]", assemblyName)),
skipNullIsolated: true);
TestResolveMissingAssembly(isolated,
(string assemblyName) => Activator.CreateInstance("ContextualReflection", string.Format("ContextualReflectionTest.AGenericClass`1[[MyType, {0}]]", assemblyName)));
Assembly assembly = Assembly.GetExecutingAssembly();
using (ContextualReflectionProxy.EnterContextualReflection((Assembly)null))
{
{
ObjectHandle objectHandle = Activator.CreateInstance(null, "ContextualReflectionTest.AGenericClass`1[[ContextualReflectionTest.Program]]");
Type g = objectHandle.Unwrap().GetType();
Assert.IsNotNull(g);
Assert.AreEqual(assembly, g.Assembly);
Assert.AreEqual(assembly, g.GenericTypeArguments[0].Assembly);
Assert.AreEqual(Assembly.GetExecutingAssembly(), g.GenericTypeArguments[0].Assembly);
Assert.AreEqual(typeof(Program), g.GenericTypeArguments[0]);
}
{
ObjectHandle objectHandle = Activator.CreateInstance(null, "ContextualReflectionTest.AGenericClass`1[[ContextualReflectionTest.Program, ContextualReflection]]");
Type g = objectHandle.Unwrap().GetType();
Assert.IsNotNull(g);
Assert.AreEqual(assembly, g.Assembly);
Assert.AreEqual(assembly, g.GenericTypeArguments[0].Assembly);
Assert.AreEqual(Assembly.GetExecutingAssembly(), g.GenericTypeArguments[0].Assembly);
Assert.AreEqual(typeof(Program), g.GenericTypeArguments[0]);
}
{
ObjectHandle objectHandle = Activator.CreateInstance("ContextualReflection", "ContextualReflectionTest.AGenericClass`1[[ContextualReflectionTest.Program, ContextualReflection]]");
Type g = objectHandle.Unwrap().GetType();
Assembly expectedAssembly = assembly;
Assert.IsNotNull(g);
Assert.AreEqual(expectedAssembly, g.Assembly);
Assert.AreEqual(expectedAssembly, g.GenericTypeArguments[0].Assembly);
}
{
Assembly expectedAssembly = alcAssembly;
Assembly mscorlib = typeof(System.Collections.Generic.List <string>).Assembly;
ObjectHandle objectHandle = Activator.CreateInstance(mscorlib.GetName().Name, "System.Collections.Generic.List`1[[ContextualReflectionTest.Program, ContextualReflection]]");
Type m = objectHandle.Unwrap().GetType();
Assert.IsNotNull(m);
Assert.AreEqual(mscorlib, m.Assembly);
Assert.AreEqual(AssemblyLoadContext.Default, AssemblyLoadContext.GetLoadContext(m.GenericTypeArguments[0].Assembly));
}
}
using (ContextualReflectionProxy.EnterContextualReflection(AssemblyLoadContext.Default))
{
{
ObjectHandle objectHandle = Activator.CreateInstance(null, "ContextualReflectionTest.AGenericClass`1[[ContextualReflectionTest.Program]]");
Type g = objectHandle.Unwrap().GetType();
Assert.IsNotNull(g);
Assert.AreEqual(assembly, g.Assembly);
Assert.AreEqual(assembly, g.GenericTypeArguments[0].Assembly);
Assert.AreEqual(Assembly.GetExecutingAssembly(), g.GenericTypeArguments[0].Assembly);
Assert.AreEqual(typeof(Program), g.GenericTypeArguments[0]);
}
{
ObjectHandle objectHandle = Activator.CreateInstance(null, "ContextualReflectionTest.AGenericClass`1[[ContextualReflectionTest.Program, ContextualReflection]]");
Type g = objectHandle.Unwrap().GetType();
Assembly expectedAssembly = defaultAssembly;
Assert.IsNotNull(g);
Assert.AreEqual(assembly, g.Assembly);
Assert.AreEqual(expectedAssembly, g.GenericTypeArguments[0].Assembly);
}
{
ObjectHandle objectHandle = Activator.CreateInstance("ContextualReflection", "ContextualReflectionTest.AGenericClass`1[[ContextualReflectionTest.Program, ContextualReflection]]");
Type g = objectHandle.Unwrap().GetType();
Assembly expectedAssembly = defaultAssembly;
Assert.IsNotNull(g);
Assert.AreEqual(expectedAssembly, g.Assembly);
Assert.AreEqual(expectedAssembly, g.GenericTypeArguments[0].Assembly);
}
{
Assembly mscorlib = typeof(System.Collections.Generic.List <string>).Assembly;
ObjectHandle objectHandle = Activator.CreateInstance(mscorlib.GetName().Name, "System.Collections.Generic.List`1[[ContextualReflectionTest.Program, ContextualReflection]]");
Type m = objectHandle.Unwrap().GetType();
Assembly expectedAssembly = mscorlib;
Assert.IsNotNull(m);
Assert.AreEqual(expectedAssembly, m.Assembly);
Assert.AreEqual(AssemblyLoadContext.Default, AssemblyLoadContext.GetLoadContext(m.GenericTypeArguments[0].Assembly));
}
}
using (ContextualReflectionProxy.EnterContextualReflection(alc))
{
{
ObjectHandle objectHandle = Activator.CreateInstance(null, "ContextualReflectionTest.AGenericClass`1[[ContextualReflectionTest.Program]]");
Type g = objectHandle.Unwrap().GetType();
Assert.IsNotNull(g);
Assert.AreEqual(assembly, g.Assembly);
Assert.AreEqual(assembly, g.GenericTypeArguments[0].Assembly);
Assert.AreEqual(Assembly.GetExecutingAssembly(), g.GenericTypeArguments[0].Assembly);
Assert.AreEqual(typeof(Program), g.GenericTypeArguments[0]);
}
{
ObjectHandle objectHandle = Activator.CreateInstance(null, "ContextualReflectionTest.AGenericClass`1[[ContextualReflectionTest.Program, ContextualReflection]]");
Type g = objectHandle.Unwrap().GetType();
Assembly expectedAssembly = alcAssembly;
Assert.IsNotNull(g);
Assert.AreEqual(assembly, g.Assembly);
Assert.AreEqual(expectedAssembly, g.GenericTypeArguments[0].Assembly);
}
{
ObjectHandle objectHandle = Activator.CreateInstance("ContextualReflection", "ContextualReflectionTest.AGenericClass`1[[ContextualReflectionTest.Program, ContextualReflection]]");
Type g = objectHandle.Unwrap().GetType();
Assembly expectedAssembly = alcAssembly;
Assert.IsNotNull(g);
Assert.AreEqual(expectedAssembly, g.Assembly);
Assert.AreEqual(expectedAssembly, g.GenericTypeArguments[0].Assembly);
}
{
Assembly mscorlib = typeof(System.Collections.Generic.List <string>).Assembly;
ObjectHandle objectHandle = Activator.CreateInstance(mscorlib.GetName().Name, "System.Collections.Generic.List`1[[ContextualReflectionTest.Program, ContextualReflection]]");
Type m = objectHandle.Unwrap().GetType();
Assert.IsNotNull(m);
Assert.AreEqual(mscorlib, m.Assembly);
Assert.AreEqual(alc, AssemblyLoadContext.GetLoadContext(m.GenericTypeArguments[0].Assembly));
}
}
}
void TestAssemblyGetType(bool isolated)
{
Assembly assembly = Assembly.GetExecutingAssembly();
TestResolveMissingAssembly(isolated,
(string assemblyName) => assembly.GetType(string.Format("ContextualReflectionTest.AGenericClass`1[[MyType, {0}]]", assemblyName)));
using (ContextualReflectionProxy.EnterContextualReflection((Assembly)null))
{
{
Type g = assembly.GetType("ContextualReflectionTest.AGenericClass`1[[ContextualReflectionTest.Program]]", throwOnError: false);
Assert.IsNotNull(g);
Assert.AreEqual(assembly, g.Assembly);
Assert.AreEqual(assembly, g.GenericTypeArguments[0].Assembly);
Assert.AreEqual(Assembly.GetExecutingAssembly(), g.GenericTypeArguments[0].Assembly);
Assert.AreEqual(typeof(Program), g.GenericTypeArguments[0]);
}
{
Type g = assembly.GetType("ContextualReflectionTest.AGenericClass`1[[ContextualReflectionTest.Program, ContextualReflection]]", throwOnError: false);
Assert.IsNotNull(g);
Assert.AreEqual(assembly, g.Assembly);
Assert.AreEqual(assembly, g.GenericTypeArguments[0].Assembly);
Assert.AreEqual(Assembly.GetExecutingAssembly(), g.GenericTypeArguments[0].Assembly);
Assert.AreEqual(typeof(Program), g.GenericTypeArguments[0]);
}
{
Assembly mscorlib = typeof(System.Collections.Generic.List <string>).Assembly;
Type m = mscorlib.GetType("System.Collections.Generic.List`1[[ContextualReflectionTest.Program, ContextualReflection]]", throwOnError: false);
Assembly expectedAssembly = mscorlib;
Assert.IsNotNull(m);
Assert.AreEqual(expectedAssembly, m.Assembly);
Assert.AreEqual(AssemblyLoadContext.Default, AssemblyLoadContext.GetLoadContext(m.GenericTypeArguments[0].Assembly));
}
}
using (ContextualReflectionProxy.EnterContextualReflection(AssemblyLoadContext.Default))
{
{
Type g = assembly.GetType("ContextualReflectionTest.AGenericClass`1[[ContextualReflectionTest.Program]]", throwOnError: false);
Assert.IsNotNull(g);
Assert.AreEqual(assembly, g.Assembly);
Assert.AreEqual(assembly, g.GenericTypeArguments[0].Assembly);
Assert.AreEqual(Assembly.GetExecutingAssembly(), g.GenericTypeArguments[0].Assembly);
Assert.AreEqual(typeof(Program), g.GenericTypeArguments[0]);
}
{
Type g = assembly.GetType("ContextualReflectionTest.AGenericClass`1[[ContextualReflectionTest.Program, ContextualReflection]]", throwOnError: false);
Assembly expectedAssembly = defaultAssembly;
Assert.IsNotNull(g);
Assert.AreEqual(assembly, g.Assembly);
Assert.AreEqual(expectedAssembly, g.GenericTypeArguments[0].Assembly);
}
{
Assembly mscorlib = typeof(System.Collections.Generic.List <string>).Assembly;
Type m = mscorlib.GetType("System.Collections.Generic.List`1[[ContextualReflectionTest.Program, ContextualReflection]]", throwOnError: false);
Assembly expectedAssembly = mscorlib;
Assert.IsNotNull(m);
Assert.AreEqual(expectedAssembly, m.Assembly);
Assert.AreEqual(AssemblyLoadContext.Default, AssemblyLoadContext.GetLoadContext(m.GenericTypeArguments[0].Assembly));
}
}
using (ContextualReflectionProxy.EnterContextualReflection(alc))
{
{
Type g = assembly.GetType("ContextualReflectionTest.AGenericClass`1[[ContextualReflectionTest.Program]]", throwOnError: false);
Assert.IsNotNull(g);
Assert.AreEqual(assembly, g.Assembly);
Assert.AreEqual(assembly, g.GenericTypeArguments[0].Assembly);
Assert.AreEqual(Assembly.GetExecutingAssembly(), g.GenericTypeArguments[0].Assembly);
Assert.AreEqual(typeof(Program), g.GenericTypeArguments[0]);
}
{
Type g = assembly.GetType("ContextualReflectionTest.AGenericClass`1[[ContextualReflectionTest.Program, ContextualReflection]]", throwOnError: false);
Assembly expectedAssembly = alcAssembly;
Assert.IsNotNull(g);
Assert.AreEqual(assembly, g.Assembly);
Assert.AreEqual(expectedAssembly, g.GenericTypeArguments[0].Assembly);
}
{
Assembly mscorlib = typeof(System.Collections.Generic.List <string>).Assembly;
Type m = mscorlib.GetType("System.Collections.Generic.List`1[[ContextualReflectionTest.Program, ContextualReflection]]", throwOnError: false);
Assembly expectedAssembly = mscorlib;
Assert.IsNotNull(m);
Assert.AreEqual(expectedAssembly, m.Assembly);
Assert.AreEqual(alc, AssemblyLoadContext.GetLoadContext(m.GenericTypeArguments[0].Assembly));
}
}
}
void TestTypeGetType(bool isolated, Func <string, System.Type> typeGetType)
{
TestResolveMissingAssembly(isolated, (string assemblyName) => typeGetType(string.Format("MyType, {0}", assemblyName)));
using (ContextualReflectionProxy.EnterContextualReflection((Assembly)null))
{
{
Type p = typeGetType("ContextualReflectionTest.Program");
Assembly expectedAssembly = Assembly.GetExecutingAssembly();
Assert.IsNotNull(p);
Assert.AreEqual(expectedAssembly, p.Assembly);
Assert.AreEqual(typeof(Program), p);
}
{
Type p = typeGetType("ContextualReflectionTest.Program, ContextualReflection");
Assembly expectedAssembly = Assembly.GetExecutingAssembly();
Assert.IsNotNull(p);
Assert.AreEqual(expectedAssembly, p.Assembly);
Assert.AreEqual(typeof(Program), p);
}
{
Type g = typeGetType("ContextualReflectionTest.AGenericClass`1[[ContextualReflectionTest.Program, ContextualReflection]], ContextualReflection");
Assembly expectedAssembly = Assembly.GetExecutingAssembly();
Assert.IsNotNull(g);
Assert.AreEqual(expectedAssembly, g.Assembly);
Assert.AreEqual(expectedAssembly, g.GenericTypeArguments[0].Assembly);
Assert.AreEqual(typeof(Program), g.GenericTypeArguments[0]);
Assert.AreEqual(isolated ? alc : AssemblyLoadContext.Default, AssemblyLoadContext.GetLoadContext(g.GenericTypeArguments[0].Assembly));
}
}
using (ContextualReflectionProxy.EnterContextualReflection(AssemblyLoadContext.Default))
{
{
Type p = typeGetType("ContextualReflectionTest.Program");
Assembly expectedAssembly = Assembly.GetExecutingAssembly();
Assert.IsNotNull(p);
Assert.AreEqual(expectedAssembly, p.Assembly);
Assert.AreEqual(typeof(Program), p);
}
{
Type p = typeGetType("ContextualReflectionTest.Program, ContextualReflection");
Assembly expectedAssembly = defaultAssembly;
Assert.IsNotNull(p);
Assert.AreEqual(expectedAssembly, p.Assembly);
Assert.AreEqual(AssemblyLoadContext.Default, AssemblyLoadContext.GetLoadContext(p.Assembly));
}
{
Type g = typeGetType("ContextualReflectionTest.AGenericClass`1[[ContextualReflectionTest.Program, ContextualReflection]], ContextualReflection");
Assembly expectedAssembly = defaultAssembly;
Assert.IsNotNull(g);
Assert.AreEqual(expectedAssembly, g.Assembly);
Assert.AreEqual(expectedAssembly, g.GenericTypeArguments[0].Assembly);
Assert.AreEqual(AssemblyLoadContext.Default, AssemblyLoadContext.GetLoadContext(g.Assembly));
Assert.AreEqual(AssemblyLoadContext.Default, AssemblyLoadContext.GetLoadContext(g.GenericTypeArguments[0].Assembly));
}
}
using (ContextualReflectionProxy.EnterContextualReflection(alc))
{
{
Type p = typeGetType("ContextualReflectionTest.Program");
Assembly expectedAssembly = Assembly.GetExecutingAssembly();
Assert.IsNotNull(p);
Assert.AreEqual(expectedAssembly, p.Assembly);
Assert.AreEqual(typeof(Program), p);
}
{
Type p = typeGetType("ContextualReflectionTest.Program, ContextualReflection");
Assembly expectedAssembly = alcAssembly;
Assert.IsNotNull(p);
Assert.AreEqual(expectedAssembly, p.Assembly);
Assert.AreEqual(alc, AssemblyLoadContext.GetLoadContext(p.Assembly));
}
{
Type g = typeGetType("ContextualReflectionTest.AGenericClass`1[[ContextualReflectionTest.Program, ContextualReflection]], ContextualReflection");
Assembly expectedAssembly = alcAssembly;
Assert.IsNotNull(g);
Assert.AreEqual(expectedAssembly, g.Assembly);
Assert.AreEqual(expectedAssembly, g.GenericTypeArguments[0].Assembly);
Assert.AreEqual(alc, AssemblyLoadContext.GetLoadContext(g.Assembly));
Assert.AreEqual(alc, AssemblyLoadContext.GetLoadContext(g.GenericTypeArguments[0].Assembly));
}
}
}
void VerifyBadContextualReflectionUsage()
{
Assert.IsNull(ContextualReflectionProxy.CurrentContextualReflectionContext);
{
IDisposable alcScope = ContextualReflectionProxy.EnterContextualReflection(alc);
Assert.AreEqual(alc, ContextualReflectionProxy.CurrentContextualReflectionContext);
alcScope.Dispose();
}
Assert.IsNull(ContextualReflectionProxy.CurrentContextualReflectionContext);
{
IDisposable alcScope = ContextualReflectionProxy.EnterContextualReflection(alc);
Assert.AreEqual(alc, ContextualReflectionProxy.CurrentContextualReflectionContext);
alcScope.Dispose();
alcScope.Dispose();
}
Assert.IsNull(ContextualReflectionProxy.CurrentContextualReflectionContext);
{
IDisposable alcScope = ContextualReflectionProxy.EnterContextualReflection(alc);
Assert.AreEqual(alc, ContextualReflectionProxy.CurrentContextualReflectionContext);
IDisposable defaultScope = ContextualReflectionProxy.EnterContextualReflection(AssemblyLoadContext.Default);
Assert.AreEqual(AssemblyLoadContext.Default, ContextualReflectionProxy.CurrentContextualReflectionContext);
defaultScope.Dispose();
Assert.AreEqual(alc, ContextualReflectionProxy.CurrentContextualReflectionContext);
alcScope.Dispose();
}
Assert.IsNull(ContextualReflectionProxy.CurrentContextualReflectionContext);
{
IDisposable alcScope = ContextualReflectionProxy.EnterContextualReflection(alc);
Assert.AreEqual(alc, ContextualReflectionProxy.CurrentContextualReflectionContext);
IDisposable defaultScope = ContextualReflectionProxy.EnterContextualReflection(AssemblyLoadContext.Default);
Assert.AreEqual(AssemblyLoadContext.Default, ContextualReflectionProxy.CurrentContextualReflectionContext);
alcScope.Dispose();
Assert.IsNull(ContextualReflectionProxy.CurrentContextualReflectionContext);
defaultScope.Dispose();
Assert.AreEqual(alc, ContextualReflectionProxy.CurrentContextualReflectionContext);
alcScope.Dispose();
}
Assert.IsNull(ContextualReflectionProxy.CurrentContextualReflectionContext);
{
IDisposable alcScope = ContextualReflectionProxy.EnterContextualReflection(alc);
Assert.AreEqual(alc, ContextualReflectionProxy.CurrentContextualReflectionContext);
try
{
IDisposable defaultScope = ContextualReflectionProxy.EnterContextualReflection((Assembly)null);
Assert.AreEqual(null, ContextualReflectionProxy.CurrentContextualReflectionContext);
throw new InvalidOperationException();
}
catch
{
}
}
Assert.IsNull(ContextualReflectionProxy.CurrentContextualReflectionContext);
}