Re: [PATCH 2/9] dfa: fix handling of ranges in multibyte character sets

[Jim Meyering]

Paolo Bonzini wrote:
> * src/dfa.c (parse_bracket_exp_mb): Add separate ranges for
> lowercase and uppercase endpoints if folding case.
> * tests/Makefile.am (TESTS): Add case-fold-char-range.
> * tests/case-fold-char-range: New.
...
> diff --git a/tests/case-fold-char-range b/tests/case-fold-char-range
> new file mode 100644
> index 0000000..e683da9
> --- /dev/null
> +++ b/tests/case-fold-char-range
> @@ -0,0 +1,21 @@
> +#!/bin/sh
> +# This would fail for grep-2.5.3
> +: ${srcdir=.}
> +. "$srcdir/init.sh"; path_prepend_ ../src
> +
> +printf 'Y\n'      > exp1 || framework_failure
> +fail=0
> +
> +for LOC in en_US.UTF-8 zh_CN $LOCALE_FR_UTF8; do
> +  printf '1\nY\n.\n' | LC_ALL=$LOC grep -i '[a-z]' > out1 || fail=1
> +  compare out1 exp1 || fail=1
> +done
> +
> +printf 'y\n'      > exp2 || framework_failure
> +
> +for LOC in en_US.UTF-8 zh_CN $LOCALE_FR_UTF8; do
> +  printf '1\ny\n.\n' | LC_ALL=$LOC grep -i '[A-Z]' > out2 || fail=1
> +  compare out2 exp2 || fail=1
> +done

Hi Paolo,

Do you have a test that exercises this fix?
As far as I can see, the above tests currently succeed
with grep built from master.  I expected them to fail.