def test_value_poss_exclusive(self):
c = Cell(9, 0, 0, 4)
self.assertEqual(4, c.value())
self.assertEqual(-1, c.possible_count())
self.assertIsNone(c.possible_vals())
c = Cell(9, 0, 0, poss_vals=frozenset({2, 3, 4}))
self.assertIsNone(c.value())
self.assertEqual({2, 3, 4}, c.possible_vals())
self.assertEqual(3, c.possible_count())
def test_neither_set(self):
c = Cell(9, 0, 0)
self.assertIsNone(c.value())
self.assertIsNotNone(c.possible_vals())
self.assertEqual(9, c.possible_count())
for x in self.__test_maxes:
s = set(range(1, x + 1))
c = Cell(x, 0, 0)
self.assertEqual(s, c.possible_vals())
def __test_xy_value_helper(self, val):
for i in range(val):
c = Cell(val, i, 0, 1)
self.assertEqual(i, c.x())
self.assertEqual(0, c.y())
self.assertEqual(1, c.value())
c = Cell(val, 0, i, 1)
self.assertEqual(0, c.x())
self.assertEqual(i, c.y())
self.assertEqual(1, c.value())
c = Cell(val, i, i, 1)
self.assertEqual(i, c.x())
self.assertEqual(i, c.y())
self.assertEqual(1, c.value())
c = Cell(val, 0, 0, i + 1)
self.assertEqual(i + 1, c.value())
def _clear_possible_action(board: Board, mod_cell: Cell, value: int):
if mod_cell.is_initial():
return
if mod_cell.value() is not None:
return
if mod_cell.has_possible_val(value):
new_cell = mod_cell.clear_possible_value(value)
board.set_cell(new_cell)