source: trunk/essentials/dev-lang/perl/ext/IO/t/io_utf8.t

#!./perl

BEGIN {
    unless(grep /blib/, @INC) {
        chdir 't' if -d 't';
        @INC = '../lib';
    }
    unless ($] >= 5.008 and find PerlIO::Layer 'perlio') {
        print "1..0 # Skip: not perlio\n";
        exit 0;
    }
}

require($ENV{PERL_CORE} ? "./test.pl" : "./t/test.pl");

plan(tests => 5);

my $io;

use_ok('IO::File');

$io = IO::File->new;

ok($io->open("io_utf8", ">:utf8"), "open >:utf8");
ok((print $io chr(256)), "print chr(256)");
undef $io;

$io = IO::File->new;
ok($io->open("io_utf8", "<:utf8"), "open <:utf8");
is(ord(<$io>), 256, "readline chr(256)");
undef $io;

END {
  1 while unlink "io_utf8";
}