perl/dist/IO/t/io_utf8.t

43 lines
817 B
Perl

#!./perl
BEGIN {
unless (find PerlIO::Layer 'perlio') {
print "1..0 # Skip: not perlio\n";
exit 0;
}
}
require($ENV{PERL_CORE} ? "../../t/test.pl" : "./t/test.pl");
my $buf_size_count = 8200; # Above default buffer size of 8192
plan(tests => 5 + 2 * $buf_size_count);
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)");
for my $i (0 .. $buf_size_count - 1) {
is($io->ungetc($i), $i, "ungetc of $i returns itself");
}
for (my $i = $buf_size_count - 1; $i >= 0; $i--) {
is(ord($io->getc()), $i, "getc gets back $i");
}
undef $io;
END {
1 while unlink "io_utf8";
}