public static void FindNeighbours_OnBorder(IFindNeighbours <StandardCell, StandardCellGrid> neighbourFinder, Func <IEnumerable <StandardCell>, bool> assertion)
{
// arrange
var cells = new[]
{
new[] { Dead(), Dead(), Dead(), Dead(), Dead() },
new[] { Alive(), Dead(), Dead(), Dead(), Dead() },
new[] { Alive(), Dead(), Dead(), Dead(), Alive() },
new[] { Dead(), Dead(), Dead(), Dead(), Dead() },
new[] { Dead(), Dead(), Dead(), Dead(), Dead() }
};
var(outerIndex, innerIndex) = (2, 4);
// act
var result = neighbourFinder.FindNeighbours(new StandardCellGrid(cells), outerIndex, innerIndex);
// assert
Assert.IsTrue(assertion(result));
}
public static void FindNeighbours_NoBorders_TwoAlive(IFindNeighbours <StandardCell, StandardCellGrid> neighbourFinder)
{
// arrange
var cells = new[]
{
new[] { Dead(), Dead(), Dead(), Dead(), Dead() },
new[] { Dead(), Alive(), Dead(), Dead(), Dead() },
new[] { Dead(), Dead(), Alive(), Dead(), Dead() },
new[] { Dead(), Dead(), Alive(), Dead(), Dead() },
new[] { Dead(), Dead(), Dead(), Dead(), Dead() }
};
var(outerIndex, innerIndex) = (2, 2);
// act
var result = neighbourFinder.FindNeighbours(new StandardCellGrid(cells), outerIndex, innerIndex);
// assert
Assert.IsTrue(result.Count(c => c.IsAlive) == 2);
}