Re: [PATCH] tests: extend coverage of dfa.c's match_mb_charset

[Jim Meyering]

Paolo Bonzini wrote:

> Il 08/06/2012 08:33, Jim Meyering ha scritto:
>> Add a test case to increase test coverage of part of dfa.c (the DFA
>> matcher used by grep and gawk).  While thinking about removing the few
>> remaining uses of strncpy in dfa.c, I found that none of the existing
>> tests covered the 40+ lines of code at the end of match_mb_charset,
>> so constructed this test case to demonstrate that it's not dead code
>
> Which is a bug. :)  It should have been dead.

Neat.  I have to admit I was surprised when I finally managed
to reach the final block.  Though note that I never exercised
the intervening, guarded sub-blocks.