def gene_active(self, position):
if not 1 <= position <= self.chromosome_size:
raise ValueError()
return utils.bit_set(self.chromosome, position)
def test_bit_not_set(self):
chromosome = 5
position = 2
self.assertFalse(utils.bit_set(chromosome, position))
def test_bit_set_middle(self):
chromosome = 18
position = 2
self.assertTrue(utils.bit_set(chromosome, position))
def test_bit_set_initial(self):
chromosome = 9
position = 1
self.assertTrue(utils.bit_set(chromosome, position))
def test_bit_set_final(self):
chromosome = 10
position = 4
self.assertTrue(utils.bit_set(chromosome, position))
def test_bit_set_all_zero(self):
chromosome = 0
position = 2
self.assertFalse(utils.bit_set(chromosome, position))