def test_apply_rules_rule3_2():
# Any live cell with more than three live neighbours dies, as if by overpopulation.
board = [[True, False, True, True], [True, True, True, True],
[False, True, True, False], [True, True, True, True]]
assert life.alive(board, 0, 2)
board = life.apply_rules(board)
assert not life.alive(board, 0, 2)
def test_alive_alive():
board = [[False, False, False], [False, False, True],
[False, False, False]]
val = life.alive(board, 1, 2)
assert val == True
def test_alive_dead():
board = [[True, True, True], [True, True, False], [True, True, True]]
val = life.alive(board, 1, 2)
assert val == False
def test_apply_rules_rule4():
# Any dead cell with exactly three live neighbours becomes a live cell, as if by reproduction.
board = [[True, False, True], [False, True, False], [False, False, False]]
assert not life.alive(board, 0, 1)
board = life.apply_rules(board)
assert life.alive(board, 0, 1)
def test_apply_rules_rule2_3_live_neighbours():
# Any live cell with two or three live neighbours lives on to the next generation.
board = [[True, True, True], [False, True, False], [False, False, False]]
assert life.alive(board, 0, 1)
board = life.apply_rules(board)
assert life.alive(board, 0, 1)
def test_apply_rules_rule1():
# Any live cell with fewer than two live neighbours dies, as if caused by underpopulation.
board = [[True, True, True], [False, False, False], [False, False, False]]
assert life.alive(board, 0, 0)
board = life.apply_rules(board)
assert not life.alive(board, 0, 0)