[issue16444] Use support.TESTFN_UNDECODABLE on UNIX

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

Try b'\xed\xb2\x80' and b'\xed\xb4\x80' for UTF-8 (on Unix and Mac OS X).

b'\xed\xb2\x80' is b'\x80'.decode('utf-8', 'surrogateescape').encode('utf-8', 'surrogatepass').
b'\xed\xb4\x80' is '\udd00'.encode('utf-8', 'surrogatepass') and '\udd00' can't be encoded with surrogateescape.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue16444>
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