def test_count(self):
self.assertTrue(self.bitstring.count() == 4)
self.assertTrue(
bitstrings.BitString(0, len(self.bitstring)).count() == 0)
self.assertTrue(
bitstrings.BitString(-1, len(self.bitstring)).count() == len(
self.bitstring))
def test_crossover_template_with_block_size(self):
"""Do I preserve the blocks on crossover?"""
for block_size in range(
1,
int(math.floor((len(self.bitstring) - 1) / 2)) + 1, 1):
print("Checking for block size = %d" % (block_size))
template = bitstrings.BitString.crossover_template(
len(self.bitstring), block_size, 2)
for init_of_block in range(0, len(self.bitstring), block_size):
a_block = template[init_of_block:init_of_block + block_size]
self.assertTrue(
(a_block
== bitstrings.BitString(bits=[True] * len(a_block)))
or (a_block
== bitstrings.BitString(bits=[False] * len(a_block))))
def setUp(self):
if self.use_numpy:
bitstrings.use_numpy()
else:
bitstrings.use_pure_python()
self.bitstring = bitstrings.BitString('10010101') # 149
def test_any(self):
self.assertTrue(self.bitstring.any())
self.assertFalse(bitstrings.BitString(0, len(self.bitstring)).any())
self.assertTrue(bitstrings.BitString(-1, len(self.bitstring)).any())
def test_from_string(self):
self.assertTrue(
bitstrings.BitString(str(self.bitstring)) == self.bitstring)
def test_from_int(self):
bitstring = bitstrings.BitString(149, 8)
self.assertTrue(self.bitstring == bitstring)
def test_plus(self):
self.assertEqual(
self.bitstring + ~self.bitstring,
bitstrings.BitString(list(self.bitstring) + list(~self.bitstring)))
def test_xor(self):
mask = bitstrings.BitString.random(len(self.bitstring))
self.assertEqual(mask ^ mask,
bitstrings.BitString([0] * len(self.bitstring)))
self.assertEqual(self.bitstring, (self.bitstring ^ mask) ^ mask)
def test_or(self):
self.assertEqual(self.bitstring, self.bitstring | self.bitstring)
self.assertEqual(self.bitstring | ~self.bitstring,
bitstrings.BitString([1] * len(self.bitstring)))
def test_and(self):
self.assertEqual(self.bitstring, self.bitstring & self.bitstring)
self.assertEqual(self.bitstring & ~self.bitstring,
bitstrings.BitString([0] * len(self.bitstring)))
