#! /bin/sh

# Ensure that, with -P, Unicode \p{} symbols are correctly matched.

#

# Copyright (C) 2012-2017 Free Software Foundation, Inc.

#

# Copying and distribution of this file, with or without modification,

# are permitted in any medium without royalty provided the copyright

# notice and this notice are preserved.

. "${srcdir=.}/init.sh"; path_prepend_ ../src

require_en_utf8_locale_

LC_ALL=en_US.UTF-8 require_pcre_

fail=0

echo '$' | LC_ALL=en_US.UTF-8 grep -qP '\p{S}' \

  || skip_ 'PCRE support is compiled out, or it does not support properties'

euro='\342\202\254 euro'

printf "$euro\\n" > in || framework_failure_

# The euro sign has the unicode "Symbol" property, so this must match:

LC_ALL=en_US.UTF-8 grep -P '^\p{S}' in > out || fail=1

compare in out || fail=1

# This RE must *not* match in the C locale, because the first

# byte is not a "Symbol".

LC_ALL=C grep -P '^\p{S}' in > out && fail=1

compare /dev/null out || fail=1

LC_ALL=en_US.UTF-8 grep -P '^. euro$' in > out2 || fail=1

compare in out2 || fail=1

LC_ALL=en_US.UTF-8 grep -oP '. euro' in > out3 || fail=1

compare in out3 || fail=1

LC_ALL=en_US.UTF-8 grep -P '^\P{S}' in > out4

compare /dev/null out4 || fail=1

Exit $fail