interactive-coding-challenges/bit_manipulation/bit/test_bit.py
2017-03-30 05:43:38 -04:00

38 lines
1.2 KiB
Python

from nose.tools import assert_equal
class TestBit(object):
def test_bit(self):
number = int('10001110', base=2)
bit = Bit(number)
assert_equal(bit.get_bit(index=3), True)
expected = int('10011110', base=2)
assert_equal(bit.set_bit(index=4), expected)
bit = Bit(number)
expected = int('10000110', base=2)
assert_equal(bit.clear_bit(index=3), expected)
bit = Bit(number)
expected = int('00000110', base=2)
assert_equal(bit.clear_bits_msb_to_index(index=3), expected)
bit = Bit(number)
expected = int('10000000', base=2)
assert_equal(bit.clear_bits_index_to_lsb(index=3), expected)
bit = Bit(number)
assert_equal(bit.update_bit(index=3, value=1), number)
bit = Bit(number)
expected = int('10000110', base=2)
assert_equal(bit.update_bit(index=3, value=0), expected)
bit = Bit(number)
expected = int('10001111', base=2)
assert_equal(bit.update_bit(index=0, value=1), expected)
print('Success: test_bit')
def main():
test = TestBit()
test.test_bit()
if __name__ == '__main__':
main()