public void RetrieveCell_Existing_CorrectCellIsReturned()
{
var universe = new Universe();
var position = Point.Empty;
var cell = new Cell(position, true);
universe.AddCell(cell);
Assert.AreEqual(cell, universe.GetCellAtPosition(position));
}
public void AddOneCell_CellIsAlive_CellKilledOnUpdate()
{
var universe = new Universe();
var universeRules = new UniverseRules(universe);
var cell = new Cell(Point.Empty, true);
universe.AddCell(cell);
universeRules.UpdateUniverse();
Assert.AreEqual(false, cell.Alive);
}
/// <summary>
/// Adds a cell to the cell list. If a cell already exists at that position,
/// it will be reaplaced by the new one.
/// </summary>
public void AddCell(Cell cell)
{
var alreadyExists = _cells.ContainsKey(cell.Position);
if (alreadyExists)
{
_cells[cell.Position] = cell;
}
else
{
_cells.Add(cell.Position, cell);
}
}
public void AddCell_Existing_AddsNewCell()
{
var universe = new Universe();
var position = Point.Empty;
var firstCell = new Cell(position, true);
var secondCell = new Cell(position, true);
universe.AddCell(firstCell);
universe.AddCell(secondCell);
Assert.AreEqual(secondCell, universe.GetCellAtPosition(position));
}
public void GetNextCell_Existing_RetrievesAllCells()
{
var universe = new Universe();
var position0 = Point.Empty;
var position1 = new Point(1, 0);
var position2 = new Point(2, 0);
var cell0 = new Cell(position0, true);
var cell1 = new Cell(position1, true);
var cell2 = new Cell(position2, true);
universe.AddCell(cell0);
universe.AddCell(cell1);
universe.AddCell(cell2);
var retreivedCount = universe.NextCell().Count();
Assert.AreEqual(3, retreivedCount);
}