class TestSolverUtilities(unittest.TestCase):
""" Verify solver utility methods. """
def setUp(self):
self.solver = Solver()
self.board = self.solver.board
def test_find_possibles(self):
self.board.set_color(0, 0, 'R')
self.board.set_color(1, 1, 'R')
self.board.set_color(5, 5, 'R')
self.assertEquals( 2, len(list(self.solver.possibles_for(5, 'R'))),
"only 2,2 and 4,4 should remain as options for cells with height 5")
