def test_contents1(self):
board = SudokuBoard([[0, 0, 0, 3],
[0, 0, 0, 2],
[3, 0, 0, 0],
[4, 0, 0, 0]])
expected = { cnf.c('d3_1_4'),
cnf.c('d2_2_4'),
cnf.c('d3_3_1'),
cnf.c('d4_4_1') }
assert set(board.contents()) == expected
def test_contents2(self):
board = SudokuBoard([[0, 0, 0, 0],
[0, 0, 0, 0],
[0, 0, 0, 0],
[0, 0, 0, 0]])
assert set(board.contents()) == set()
