public void NewGeneration_when_cell_has_two_alive_neighbors_it_should_stay_alive()
{
Grid grid = new Grid(new Cell(1, 1), new Cell(2,1), new Cell(3,1));
grid = grid.NewGeneration();
grid.IsAlive(new Cell(2,1)).Should().Be(true);
}
public void NewGeneration_when_a_dead_cell_has_three_alive_neighbors_it_should_revive()
{
Grid grid = new Grid(new Cell(1, 1), new Cell(2, 1), new Cell(3, 1));
grid = grid.NewGeneration();
grid.IsAlive(new Cell(2, 2)).Should().Be(true);
}
public void NewGeneration_when_cell_has_more_than_three_alive_neighbors_it_should_die()
{
Grid grid = new Grid(new Cell(1, 1), new Cell(2,1), new Cell(2,2), new Cell(1,2), new Cell(3,1));
grid = grid.NewGeneration();
grid.IsAlive(new Cell(2,2)).Should().Be(false);
}
public void IsAlive_when_cell_is_not_in_the_list_of_alive_cells_it_should_return_false()
{
Grid grid = new Grid(new Cell(1,1));
grid.IsAlive(new Cell(2,1)).Should().Be(false);
}