static TResult?Returns <TResult>(Delegate value, ExecuteMockDelegate behavior)
{
var setup = MockContext.CurrentSetup;
if (setup != null)
{
// TODO: Is this even necessary given that IntelliSense gives us
// the right compiler safety already?
setup.Invocation.EnsureCompatible(value);
var mock = setup.Invocation.Target.AsMock();
mock.Invocations.Remove(setup.Invocation);
var mockBehavior = mock.GetPipeline(setup);
mockBehavior.Behaviors.Add(new AnonymousMockBehavior(behavior, "Returns(() => ...)"));
}
return(default);
/// <summary>
/// Creates an instance of the invokable behavior with the given
/// delegate and friendly display name.
/// </summary>
/// <remarks>
/// Use this constructor overload whenever constructing the display
/// name is somewhat expensive.
/// </remarks>
public AnonymousMockBehavior(ExecuteMockDelegate invoke, Lazy <string> displayName)
{
behavior = invoke;
this.displayName = displayName;
}
/// <summary>
/// Creates an instance of the invokable behavior with the given
/// delegate and friendly display name.
/// </summary>
public AnonymousMockBehavior(ExecuteMockDelegate invoke, string displayName)
: this(invoke, new Lazy <string>(() => displayName))
{
}
/// <summary> /// Creates an <see cref="IMockBehavior"/> for the given delegate behavior. /// </summary> /// <param name="behavior">The behavior to execute.</param> /// <param name="displayName">A friendly display name for the behavior.</param> public static IMockBehavior Create(ExecuteMockDelegate behavior, Lazy <string> displayName) => new AnonymousMockBehavior(behavior, displayName);
