tests/test-progress.out

encoding: improve handling of buggy getpreferredencoding() on Mac OS X

Prior to version 2.7, calling locale.getpreferredencoding() would
always return 'mac-roman' on Mac OS X. Previously, this was handled by
a call to locale.setlocale(). Unfortunately, Python 2.6.5 and older
have a bug where isspace() would incorrectly report True for 0x85 and
0xa0 after such a call.

In order to fix this, we replace the previous _encodingfixup mapping
to an _encodingfixers mapping. Rather than mapping encodings to their
replacement, it maps them to a function returning the
replacement. This allows us to provide an simplified implementation of
getpreferredencoding() which extracts the expected encoding and
restores the locale.

This fix is based on a patch originally submitted by Martijn Pieters
as well as feedback from Brodie Rao.

% test default params, display nothing because of delay
% test with delay=0, refresh=0

loop [                                                                    ] 0/3
loop [=====================>                                              ] 1/3
loop [============================================>                       ] 2/3
                                                                                
% test refresh is taken in account
% test format options 1

0/2 loop lo
1/2 loop lo
                                                                                
% test format options 2

0/2 p.0 [                                                                     ]
1/2 p.1 [=================================>                                   ]
                                                                                
% test format options and indeterminate progress

0 loop.0               [ <=>                                                  ]
1 loop.1               [  <=>                                                 ]
                                                                                
% make sure things don't fall over if count > total

loop [                                                                    ] 0/4
loop [================>                                                   ] 1/4
loop [=================================>                                  ] 2/4
loop [==================================================>                 ] 3/4
loop [===================================================================>] 4/4
loop [ <=>                                                                ] 5/4
                                                                                
% test immediate progress completion