def test_solve_simple_tileset_with_0():
squares = [(0, 0), (0, 1), (1, 1), (1, 2)]
tileset = many(DOMINO).and_repeated_exactly(0, MONOMINO)
problem = Irregular(squares).tile_with_set(tileset)
solution = problem.solve()
expected = [[(0, 0), (0, 1)], [(1, 1), (1, 2)]]
assert solution.tiling == expected
def test_solve_impossible_even_to_place_one_tile():
squares = [(0, 0), (0, 1), (1, 0), (1, 1)]
problem = Irregular(squares).tile_with_many(TETROMINOS["T"])
with pytest.raises(PolyominoError):
solution = problem.solve()
def test_solve_simple_with_negative():
squares = [(0, -2), (0, -1), (1, -1), (1, 0)]
problem = Irregular(squares).tile_with_many(DOMINO)
solution = problem.solve()
expected = [[(0, -2), (0, -1)], [(1, -1), (1, 0)]]
assert solution.tiling == expected
def test_solve_impossible_not_wrong_modulus():
squares = [(0, 0), (0, 1), (1, 1), (0, 2)]
problem = Irregular(squares).tile_with_many(DOMINO)
solution = problem.solve()
assert solution == None