public void ResultInTheSameNumberOfAssignments()
{
var sessions = new SessionsCollection();
sessions.Add(1, null, Presenter.Create(1));
sessions.Add(2, 1, Presenter.Create(2));
sessions.Add(3, null, Presenter.Create(3));
sessions.Add(4, 1, Presenter.Create(4));
var rooms = new List<Room>();
rooms.Add(Room.Create(1, 10));
rooms.Add(Room.Create(2, 10));
var timeslots = new List<Timeslot>();
timeslots.Add(Timeslot.Create(1, 9.0));
timeslots.Add(Timeslot.Create(2, 10.25));
var solution = new Solution(sessions, rooms, timeslots);
while (solution.AssignmentsCompleted < sessions.Count())
{
solution.AssignSessionsWithOnlyOneOption();
solution.AssignMostConstrainedSession();
}
var s2 = solution.SwapAssignments();
Assert.AreEqual(solution.Assignments.Count(), s2.Assignments.Count());
}
public void KeepTheOriginalAssignmentsUnchanged()
{
var sessions = new SessionsCollection();
sessions.Add(1, null, Presenter.Create(1));
sessions.Add(2, 1, Presenter.Create(2));
sessions.Add(3, null, Presenter.Create(3));
sessions.Add(4, 1, Presenter.Create(4));
var rooms = new List<Room>();
rooms.Add(Room.Create(1, 10));
rooms.Add(Room.Create(2, 10));
var timeslots = new List<Timeslot>();
timeslots.Add(Timeslot.Create(1, 9.0));
timeslots.Add(Timeslot.Create(2, 10.25));
var solution = new Solution(sessions, rooms, timeslots);
while (solution.AssignmentsCompleted < sessions.Count())
{
solution.AssignSessionsWithOnlyOneOption();
solution.AssignMostConstrainedSession();
}
var originalSolution = solution.Assignments.Serialize();
solution.Assignments.WriteSchedule();
var s2 = solution.SwapAssignments();
var postSwapSolution = solution.Assignments.Serialize();
solution.Assignments.WriteSchedule();
Assert.AreEqual(originalSolution, postSwapSolution);
}
public void ResultInTwoDifferencesInAssignments()
{
var sessions = new SessionsCollection();
sessions.Add(1, null, Presenter.Create(1));
sessions.Add(2, 1, Presenter.Create(2));
sessions.Add(3, null, Presenter.Create(3));
sessions.Add(4, 1, Presenter.Create(4));
var rooms = new List<Room>();
rooms.Add(Room.Create(1, 10));
rooms.Add(Room.Create(2, 10));
var timeslots = new List<Timeslot>();
timeslots.Add(Timeslot.Create(1, 9.0));
timeslots.Add(Timeslot.Create(2, 10.25));
var solution = new Solution(sessions, rooms, timeslots);
while (solution.AssignmentsCompleted < sessions.Count())
{
solution.AssignSessionsWithOnlyOneOption();
solution.AssignMostConstrainedSession();
}
var s2 = solution.SwapAssignments();
int differenceCount = 0;
foreach (var a1 in solution.Assignments)
{
var a2 = s2.Assignments.Where(a => a.RoomId == a1.RoomId && a.TimeslotId == a1.TimeslotId).Single();
if (a1.SessionId != a2.SessionId)
differenceCount++;
}
Assert.AreEqual(2, differenceCount);
}