public void Equals_MethodFromBaseTypeHiddenByInterfaceMethod()
{
var methodFromBaseType = ScriptingHelper.GetInstanceMethod(typeof(Proxied), "PrependName", new[] { typeof(string) });
var method = ScriptingHelper.GetInstanceMethod(typeof(ProxiedChildChild), "PrependName", new[] { typeof(string) });
Assert.That(methodFromBaseType, Is.Not.EqualTo(method));
Assert.That(methodFromBaseType.GetBaseDefinition(), Is.Not.EqualTo(method.GetBaseDefinition()));
// Default comparison taking all method attributes into account fails, since IPrependName adds the Final, Virtual and
// VtableLayoutMask attributes.
Assert.That(MethodInfoEqualityComparer.Get.Equals(methodFromBaseType, method), Is.False);
// Comparing ignoring method attributes coming from IPrependName works.
var comparerNoVirtualNoFinal = new MethodInfoEqualityComparer(~(MethodAttributes.Virtual | MethodAttributes.Final | MethodAttributes.VtableLayoutMask));
Assert.That(comparerNoVirtualNoFinal.Equals(methodFromBaseType, method), Is.True);
}
public void Ctor_Mask()
{
var method = ScriptingHelper.GetInstanceMethod(typeof(CtorTest), "Foo", new[] { typeof(string) });
var childMethod = ScriptingHelper.GetInstanceMethod(typeof(CtorTestChild), "Foo", new[] { typeof(string) });
Assert.That(method.Attributes, Is.EqualTo(MethodAttributes.PrivateScope | MethodAttributes.Public | MethodAttributes.HideBySig));
const MethodAttributes childMethodAdditionalAttributes = MethodAttributes.Virtual | MethodAttributes.Final | MethodAttributes.VtableLayoutMask;
Assert.That(childMethod.Attributes, Is.EqualTo(method.Attributes | childMethodAdditionalAttributes));
var comparerDefault = new MethodInfoEqualityComparer();
Assert.That(comparerDefault.Equals(method, childMethod), Is.False);
var comparerNoVirtualNoFinal = new MethodInfoEqualityComparer(~childMethodAdditionalAttributes);
Assert.That(comparerNoVirtualNoFinal.Equals(method, childMethod), Is.True);
var comparerMethodFromBaseTypeAttributes = new MethodInfoEqualityComparer(method.Attributes);
Assert.That(comparerMethodFromBaseTypeAttributes.Equals(method, childMethod), Is.True);
}