mirror of
https://github.com/donnemartin/interactive-coding-challenges.git
synced 2024-03-22 13:11:13 +08:00
29 lines
828 B
Python
29 lines
828 B
Python
|
from nose.tools import assert_equal, assert_raises
|
||
|
|
|
||
|
|
|
||
|
|
class TestBits(object):
|
||
|
|
|
||
|
|
def test_flip_bit(self):
|
||
|
|
bits = Bits()
|
||
|
|
assert_raises(TypeError, bits.flip_bit, None)
|
||
|
|
assert_equal(bits.flip_bit(0), 1)
|
||
|
|
assert_equal(bits.flip_bit(-1), bits.MAX_BITS)
|
||
|
|
num = int('00001111110111011110001111110000', base=2)
|
||
|
|
expected = 10
|
||
|
|
assert_equal(bits.flip_bit(num), expected)
|
||
|
|
num = int('00000100111011101111100011111011', base=2)
|
||
|
|
expected = 9
|
||
|
|
assert_equal(bits.flip_bit(num), expected)
|
||
|
|
num = int('00010011101110111110001111101111', base=2)
|
||
|
|
expected = 10
|
||
|
|
assert_equal(bits.flip_bit(num), expected)
|
||
|
|
print('Success: test_print_binary')
|
||
|
|
|
||
|
|
|
||
|
|
def main():
|
||
|
|
test = TestBits()
|
||
|
|
test.test_flip_bit()
|
||
|
|
|
||
|
|
|
||
|
|
if __name__ == '__main__':
|
||
|
|
main()
|