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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.
use Config;
BEGIN {
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';
}
my $utf8_locale = find_utf8_ctype_locale();
plan tests => 13;
use POSIX qw();
SKIP: {
skip("mblen() not present", 7) unless $Config{d_mblen};
is(&POSIX::mblen("a", &POSIX::MB_CUR_MAX), 1, 'mblen() works on ASCII input');
is(&POSIX::mblen("b"), 1, '... and the 2nd parameter is optional');
skip("LC_CTYPE locale support not available", 4)
unless locales_enabled('LC_CTYPE');
skip("no utf8 locale available", 4) unless $utf8_locale;
# Here we need to influence LC_CTYPE, but it's not enough to just
# set this because LC_ALL could override it. It's also not enough
# to delete LC_ALL because it could be used to override other
# variables such as LANG in the underlying test environment.
# Continue to set LC_CTYPE just in case...
local $ENV{LC_CTYPE} = $utf8_locale;
local $ENV{LC_ALL} = $utf8_locale;
fresh_perl_like(
'use POSIX; print &POSIX::MB_CUR_MAX',
qr/[4-6]/, {}, 'MB_CUR_MAX is at least 4 in a UTF-8 locale');
SKIP: {
my ($major, $minor, $rest) = $Config{osvers} =~ / (\d+) \. (\d+) .* /x;
skip("mblen() broken (at least for c.utf8) on early HP-UX", 3)
if $Config{osname} eq 'hpux'
&& $major < 11 || ($major == 11 && $minor < 31);
fresh_perl_is(
'use POSIX; &POSIX::mblen(undef,0); print &POSIX::mblen("'
. I8_to_native("\x{c3}\x{28}")
. '", 2)',
-1, {}, 'mblen() recognizes invalid multibyte characters');
fresh_perl_is(
'use POSIX; &POSIX::mblen(undef,0);
my $sigma = "\N{GREEK SMALL LETTER SIGMA}";
utf8::encode($sigma);
print &POSIX::mblen($sigma, 2)',
2, {}, 'mblen() works on UTF-8 characters');
fresh_perl_is(
'use POSIX; &POSIX::mblen(undef,0);
my $wide; print &POSIX::mblen("\N{GREEK SMALL LETTER SIGMA}", 1);',
-1, {}, 'mblen() returns -1 when input length is too short');
}
}
SKIP: {
skip("mbtowc() not present", 5) unless $Config{d_mbtowc} || $Config{d_mbrtowc};
my $wide;
is(&POSIX::mbtowc($wide, "a"), 1, 'mbtowc() returns correct length on ASCII input');
is($wide , ord "a", 'mbtowc() returns correct ordinal on ASCII input');
skip("LC_CTYPE locale support not available", 3)
unless locales_enabled('LC_CTYPE');
skip("no utf8 locale available", 3) unless $utf8_locale;
local $ENV{LC_CTYPE} = $utf8_locale;
local $ENV{LC_ALL} = $utf8_locale;
local $ENV{PERL_UNICODE};
delete $ENV{PERL_UNICODE};
SKIP: {
my ($major, $minor, $rest) = $Config{osvers} =~ / (\d+) \. (\d+) .* /x;
skip("mbtowc() broken (at least for c.utf8) on early HP-UX", 3)
if $Config{osname} eq 'hpux'
&& $major < 11 || ($major == 11 && $minor < 31);
fresh_perl_is(
'use POSIX; &POSIX::mbtowc(undef, undef,0); my $wide; print &POSIX::mbtowc($wide, "'
. I8_to_native("\x{c3}\x{28}")
. '", 2)',
-1, {}, 'mbtowc() recognizes invalid multibyte characters');
fresh_perl_is(
'use POSIX; &POSIX::mbtowc(undef,undef,0);
my $sigma = "\N{GREEK SMALL LETTER SIGMA}";
utf8::encode($sigma);
my $wide; my $len = &POSIX::mbtowc($wide, $sigma, 2);
print "$len:$wide"',
"2:963", {}, 'mbtowc() works on UTF-8 characters');
fresh_perl_is(
'use POSIX; &POSIX::mbtowc(undef,undef,0);
my $wide; print &POSIX::mbtowc($wide, "\N{GREEK SMALL LETTER SIGMA}", 1);',
-1, {}, 'mbtowc() returns -1 when input length is too short');
}
}
SKIP: {
skip("wctomb() not present", 2) unless $Config{d_wctomb} || $Config{d_wcrtomb};
fresh_perl_is('use POSIX; &POSIX::wctomb(undef,0); my $string; my $len = &POSIX::wctomb($string, ord "A"); print "$len:$string"',
"1:A", {}, 'wctomb() works on ASCII input');
skip("LC_CTYPE locale support not available", 1)
unless locales_enabled('LC_CTYPE');
skip("no utf8 locale available", 1) unless $utf8_locale;
local $ENV{LC_CTYPE} = $utf8_locale;
local $ENV{LC_ALL} = $utf8_locale;
local $ENV{PERL_UNICODE};
delete $ENV{PERL_UNICODE};
SKIP: {
my ($major, $minor, $rest) = $Config{osvers} =~ / (\d+) \. (\d+) .* /x;
skip("wctomb() broken (at least for c.utf8) on early HP-UX", 1)
if $Config{osname} eq 'hpux'
&& $major < 11 || ($major == 11 && $minor < 31);
fresh_perl_is('use POSIX; &POSIX::wctomb(undef,0); my $string; my $len = &POSIX::wctomb($string, 0x100); print "$len:$string"',
"2:" . I8_to_native("\x{c4}\x{80}"),
{}, 'wctomb() works on UTF-8 characters');
}
}
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