/// <summary>
/// Determines if the queuing the an event causes a state to enter before defaultWaitTime elapses.
/// </summary>
/// <param name="eventToInject">The event to queue.</param>
/// <param name="stateToWaitFor">The state to wait for.</param>
/// <param name="waitTime">The time in ms to wait for the stateToWaitFor to enter.</param>
/// <returns>
/// True if the stateToWaitFor is entered.
/// False if the stateToWaitFor is not entered before time expires.
/// </returns>
/// <remarks>
/// This is a blocking call, the caller may be blocked for as long as waitTime.
/// </remarks>
public bool doesEventResultInState(NSFEvent eventToInject, NSFState stateToWaitFor, int waitTime)
{
firstSignal.clear();
stateToWaitFor.EntryActions += firstSignal.send;
if (eventToInject != null)
{
eventToInject.queueEvent();
}
if (stateToWaitFor.isActive())
{
stateToWaitFor.EntryActions -= firstSignal.send;
return true;
}
if (!firstSignal.wait(waitTime))
{
stateToWaitFor.EntryActions -= firstSignal.send;
return false;
}
stateToWaitFor.EntryActions -= firstSignal.send;
return true;
}
/// <summary>
/// Determines if the queuing the an event causes two states to enter before waitTime elapses.
/// </summary>
/// <param name="eventToInject">The event to queue.</param>
/// <param name="stateToWaitFor">The first of two states to wait for.</param>
/// <param name="secondStateToWaitFor">The second of two states to wait for.</param>
/// <param name="waitTime">The time in ms to wait for the each state to enter.</param>
/// <returns>
/// True if both states are entered.
/// False if either of the states fails to enter before time expires.
/// </returns>
/// <remarks>
/// This is a blocking call, the caller may be blocked for as long as twice waitTime.
/// The states may be congruently entered.
/// </remarks>
public bool doesEventResultInState(NSFEvent eventToInject, NSFState stateToWaitFor, NSFState secondStateToWaitFor, int waitTime)
{
secondSignal.clear();
stateToWaitFor.EntryActions += secondSignal.send;
secondStateToWaitFor.EntryActions += secondSignal.send;
if (!doesEventResultInState(eventToInject, stateToWaitFor, waitTime))
{
secondStateToWaitFor.EntryActions -= secondSignal.send;
return false;
}
if (secondStateToWaitFor.isActive())
{
secondStateToWaitFor.EntryActions -= secondSignal.send;
return true;
}
if (!secondSignal.wait(waitTime))
{
secondStateToWaitFor.EntryActions -= secondSignal.send;
return false;
}
secondStateToWaitFor.EntryActions -= secondSignal.send;
return true;
}