[issue19915] int.bit_at(n) - Accessing a single bit in O(1)

[anon]

anon added the comment:

Here are some inadequate tests to add to Lib/test/test_long.py



    def test_bits_at(self):
        def bits_at(n, pos, width=1):
            return (n>>pos) & ((1 << width) - 1)
        for n in [123, 7777777, (1<<35)|(1<<30)|(1<<25)]:
            for i in range(50):
                for j in range(20):
                    self.assertEqual(n.bits_at(i, j), bits_at(n, i, j))

----------

_______________________________________
Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue19915>
_______________________________________
_______________________________________________
Python-bugs-list mailing list
Unsubscribe: 
https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com