public void IterateToFirstCellWhenNotFrozen() { var grid = Grid.OfSize(3); grid.Cell(0, 0, 1); grid.Cell(0, 1, 2); var enumerator = new FrozenCellSkippingGridEnumerator(grid.GetEnumerator()); enumerator.MoveNext(); Assert.That(enumerator.Current.IsFrozen, Is.False); Assert.That(enumerator.Current.Value, Is.EqualTo(1)); }
public void CannotIterateBackWhenFirstCellIsFrozen() { var grid = Grid.OfSize(3); grid.Cell(0, 0, 1); grid.Freeze(); grid.Cell(0, 1, 2); var enumerator = new FrozenCellSkippingGridEnumerator(grid.GetEnumerator()); enumerator.MoveNext(); Assert.That(enumerator.MoveBack, Is.False); }
public void CannotMoveForwardWhenLastCellIsFrozen() { var grid = Grid.OfSize(3); grid.Cell(2, 2, 1); grid.Freeze(); var enumerator = new FrozenCellSkippingGridEnumerator(grid.GetEnumerator()); int counter = 0; while (counter < 8 && enumerator.MoveNext()) { counter++; } Assert.That(counter, Is.EqualTo(8)); Assert.That(enumerator.MoveNext(), Is.False); }