/// <summary>
/// Adds an event handler using an event step. If the step is <c>null</c>, uses the strictness of the mock
/// to decide whether to throw a <see cref="MockMissingException" /> (VeryStrict) or to do nothing
/// (Lenient or Strict).
/// </summary>
/// <typeparam name="THandler">The event handler type for the event.</typeparam>
/// <param name="eventStep">The event step (can be null) through which the event handler is being added.</param>
/// <param name="mockInfo">Information about the mock through which the event handler is being added.</param>
/// <param name="value">The event handler that is being added.</param>
public static void AddWithStrictnessCheckIfNull <THandler>(this IEventStep <THandler>?eventStep, IMockInfo mockInfo, THandler?value)
where THandler : Delegate
{
if (eventStep == null)
{
if (mockInfo.Strictness != Strictness.VeryStrict)
{
return;
}
throw new MockMissingException(MockType.EventAdd, mockInfo);
}
eventStep.Add(mockInfo, value);
}
/// <summary>
/// Adds an event handler to the mocked event.
/// </summary>
/// <remarks>
/// This method is called when the event is called through a mocked interface, but can also be used to interact with
/// the mock directly.
/// </remarks>
/// <param name="value">The event handler.</param>
public void Add(THandler?value)
{
if (_nextStep == null)
{
IMockInfo mockInfo = this;
if (mockInfo.Strictness == Strictness.Lenient)
{
return;
}
throw new MockMissingException(MockType.EventAdd, mockInfo);
}
_nextStep.Add(this, value);
}