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#!./perl
# These tests are in a separate file, because they use fresh_perl_is()
# from test.pl.
# The mb* functions use the "underlying locale" that is not affected by
# the Perl one. So we run the tests in a separate "fresh_perl" process
# with the correct LC_CTYPE set in the environment.
BEGIN {
require Config; import Config;
if ($^O ne 'VMS' and $Config{'extensions'} !~ /\bPOSIX\b/) {
print "1..0\n";
exit 0;
}
unshift @INC, "../../t";
require 'loc_tools.pl';
require 'charset_tools.pl';
require 'test.pl';
}
plan tests => 4;
use POSIX qw();
SKIP: {
skip("mblen() not present", 4) unless $Config{d_mblen};
is(&POSIX::mblen("a", &POSIX::MB_CUR_MAX), 1, 'mblen() basically works');
skip("LC_CTYPE locale support not available", 3)
unless locales_enabled('LC_CTYPE');
my $utf8_locale = find_utf8_ctype_locale();
skip("no utf8 locale available", 3) unless $utf8_locale;
local $ENV{LC_CTYPE} = $utf8_locale;
local $ENV{LC_ALL};
delete $ENV{LC_ALL};
fresh_perl_like(
'use POSIX; print &POSIX::MB_CUR_MAX',
qr/[4-6]/, {}, 'MB_CUR_MAX is at least 4 in a UTF-8 locale');
SKIP: {
my ($major, $minor, $rest) = $Config{osvers} =~ / (\d+) \. (\d+) .* /x;
skip("mblen() broken (at least for c.utf8) on early HP-UX", 2)
if $Config{osname} eq 'hpux'
&& $major < 11 || ($major == 11 && $minor < 31);
fresh_perl_is(
'use POSIX; print &POSIX::mblen("'
. I8_to_native("\x{c3}\x{28}")
. '", 2)',
-1, {}, 'mblen() recognizes invalid multibyte characters');
fresh_perl_is(
'use POSIX; print &POSIX::mblen("\N{GREEK SMALL LETTER SIGMA}", 2)',
2, {}, 'mblen() works on UTF-8 characters');
}
}
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