.........
----------------------------------------------------------------------
Ran 9 tests in 0.000s

OK
<module 'osh.string_ops' from '/home/uke/oil/osh/string_ops.pyc'>
## shortest prefix
1 test    'a' return  'bcd'
2 test   'ab' return   'cd'
3 test  'abc' return    'd'
4 test 'abcd' return     ''

# longest prefix
4 test 'abcd' return     ''
3 test  'abc' return    'd'
2 test   'ab' return   'cd'
1 test    'a' return  'bcd'

% shortest suffix
3 test    'd' return  'abc'
2 test   'cd' return   'ab'
1 test  'bcd' return    'a'
0 test 'abcd' return     ''

%% longest suffix
0 test 'abcd' return     ''
1 test  'bcd' return    'a'
2 test   'cd' return   'ab'
3 test    'd' return  'abc'


EndsWithWhitespaceByteRange case (0, 0) ''

EndsWithWhitespaceByteRange case (1, 1) 'x'

EndsWithWhitespaceByteRange case (2, 2) ' x'

EndsWithWhitespaceByteRange case (2, 3) ' x '

EndsWithWhitespaceByteRange case (2, 4) ' x \t'

EndsWithWhitespaceByteRange case (0, 11) '\t\n\x0b\x0c\r \xc2\xa0\xef\xbb\xbf'

NextUtf8Char case [1, 3, 6, 10] '$\xc2\xa2\xe0\xa4\xb9\xf0\x90\x8d\x88'

NextUtf8Char case [1, 3, 'UTF-8 decode: Bad encoding at offset 3 in string of 6 bytes'] '$\xc2\xa2\xe0\xe0\xa4'

NextUtf8Char case [1, 3, 6, 'UTF-8 decode: Bad encoding at offset 6 in string of 7 bytes'] '$\xc2\xa2\xe0\xa4\xa4\xb9'

NextUtf8Char case [1, 3, 'UTF-8 decode: Bad encoding at offset 3 in string of 4 bytes'] '$\xc2\xa2\xff'

NextUtf8Char case [1, 'UTF-8 decode: Truncated bytes at offset 1 in string of 4 bytes'] '$\xf0\x90\x8d'

PreviousUtf8Char case [6, 3, 1, 0] '$\xc2\xa2\xe0\xa4\xb9\xf0\x90\x8d\x88'

PreviousUtf8Char case [6, 3, 1, 'Invalid start of UTF-8 sequence'] '\xa2\xc2\xa2\xe0\xa4\xb9\xf0\x90\x8d\x88'

PreviousUtf8Char case [10, 'Invalid start of UTF-8 sequence'] '\xf0\x90\x8d\x88\x90\x8d\x88\x90\x8d\x88$'

PreviousUtf8Char case [3, 'Invalid start of UTF-8 sequence'] '\xf0\x90\x8d$'

StartsWithWhitespaceByteRange case (0, 0) ''

StartsWithWhitespaceByteRange case (0, 0) 'x'

StartsWithWhitespaceByteRange case (0, 1) ' x'

StartsWithWhitespaceByteRange case (0, 1) ' x '

StartsWithWhitespaceByteRange case (0, 2) '\t x '

StartsWithWhitespaceByteRange case (0, 11) '\t\n\x0b\x0c\r \xc2\xa0\xef\xbb\xbf'