# $Id: enc_utf8.t,v 1.4 2003/08/20 11:15:31 dankogai Exp $
# This is the twin of enc_eucjp.t .
BEGIN {
require Config; import Config;
if ($Config{'extensions'} !~ /\bEncode\b/) {
print "1..0 # Skip: Encode was not built\n";
exit 0;
}
unless (find PerlIO::Layer 'perlio') {
print "1..0 # Skip: PerlIO was not built\n";
exit 0;
}
if (ord("A") == 193) {
print "1..0 # encoding pragma does not support EBCDIC platforms\n";
exit(0);
}
}
use encoding 'utf8';
my @c = (127, 128, 255, 256);
print "1.." . (scalar @c + 1) . "\n";
my @f;
for my $i (0..$#c) {
my $file = filename("f$i");
push @f, $file;
open(F, ">$file") or die "$0: failed to open '$file' for writing: $!";
binmode(F, ":utf8");
print F chr($c[$i]);
close F;
}
my $t = 1;
for my $i (0..$#c) {
my $file = filename("f$i");
open(F, "<$file") or die "$0: failed to open '$file' for reading: $!";
binmode(F, ":utf8");
my $c = <F>;
my $o = ord($c);
print $o == $c[$i] ? "ok $t - utf8 I/O $c[$i]\n" : "not ok $t - utf8 I/O $c[$i]: $o != $c[$i]\n";
$t++;
}
my $f = filename("f" . @f);
push @f, $f;
open(F, ">$f") or die "$0: failed to open '$f' for writing: $!";
binmode(F, ":raw"); # Output raw bytes.
print F chr(128); # Output illegal UTF-8.
close F;
open(F, $f) or die "$0: failed to open '$f' for reading: $!";
binmode(F, ":encoding(utf-8)");
{
local $^W = 1;
local $SIG{__WARN__} = sub { $a = shift };
eval { <F> }; # This should get caught.
}
close F;
print $a =~ qr{^utf8 "\\x80" does not map to Unicode} ?
"ok $t - illegal utf8 input\n" : "not ok $t - illegal utf8 input: a = " . unpack("H*", $a) . "\n";
# On VMS temporary file names like "f0." may be more readable than "f0" since
# "f0" could be a logical name pointing elsewhere.
sub filename {
my $name = shift;
$name .= '.' if $^O eq 'VMS';
return $name;
}
END {
1 while unlink @f;
}