}
}
-use Test::More tests => 12;
+use Test::More tests => 215;
package UTF8Toggle;
use strict;
-use overload '""' => 'stringify';
+use overload '""' => 'stringify', fallback => 1;
sub new {
my $class = shift;
- return bless [shift, 0], $class;
+ my $value = shift;
+ my $state = shift||0;
+ return bless [$value, $state], $class;
}
sub stringify {
is (length $u, $length, "length of '$t'");
}
+my $u = UTF8Toggle->new("\311");
+my $lc = lc $u;
+is (length $lc, 1);
+is ($lc, "\311", "E acute -> e acute");
+$lc = lc $u;
+is (length $lc, 1);
+is ($lc, "\351", "E acute -> e acute");
+$lc = lc $u;
+is (length $lc, 1);
+is ($lc, "\311", "E acute -> e acute");
+
+$u = UTF8Toggle->new("\351");
+my $uc = uc $u;
+is (length $uc, 1);
+is ($uc, "\351", "e acute -> E acute");
+$uc = uc $u;
+is (length $uc, 1);
+is ($uc, "\311", "e acute -> E acute");
+$uc = uc $u;
+is (length $uc, 1);
+is ($uc, "\351", "e acute -> E acute");
+
+$u = UTF8Toggle->new("\311");
+$lc = lcfirst $u;
+is (length $lc, 1);
+is ($lc, "\311", "E acute -> e acute");
+$lc = lcfirst $u;
+is (length $lc, 1);
+is ($lc, "\351", "E acute -> e acute");
+$lc = lcfirst $u;
+is (length $lc, 1);
+is ($lc, "\311", "E acute -> e acute");
+
+$u = UTF8Toggle->new("\351");
+$uc = ucfirst $u;
+is (length $uc, 1);
+is ($uc, "\351", "e acute -> E acute");
+$uc = ucfirst $u;
+is (length $uc, 1);
+is ($uc, "\311", "e acute -> E acute");
+$uc = ucfirst $u;
+is (length $uc, 1);
+is ($uc, "\351", "e acute -> E acute");
+
my $have_setlocale = 0;
eval {
require POSIX;
SKIP: {
if (!$have_setlocale) {
- skip "No setlocale", 4;
+ skip "No setlocale", 24;
} elsif (!setlocale(&POSIX::LC_ALL, "en_GB.ISO8859-1")) {
- skip "Could not setlocale to en_GB.ISO8859-1", 4;
+ skip "Could not setlocale to en_GB.ISO8859-1", 24;
+ } elsif ($^O eq 'dec_osf' || $^O eq 'VMS') {
+ skip "$^O has broken en_GB.ISO8859-1 locale", 24;
} else {
use locale;
my $u = UTF8Toggle->new("\311");
my $lc = lc $u;
is (length $lc, 1);
- is ($lc, "\351", "E accute -> e accute");
+ is ($lc, "\351", "E acute -> e acute");
+ $lc = lc $u;
+ is (length $lc, 1);
+ is ($lc, "\351", "E acute -> e acute");
$lc = lc $u;
is (length $lc, 1);
- is ($lc, "\351", "E accute -> e accute");
+ is ($lc, "\351", "E acute -> e acute");
+
+ $u = UTF8Toggle->new("\351");
+ my $uc = uc $u;
+ is (length $uc, 1);
+ is ($uc, "\311", "e acute -> E acute");
+ $uc = uc $u;
+ is (length $uc, 1);
+ is ($uc, "\311", "e acute -> E acute");
+ $uc = uc $u;
+ is (length $uc, 1);
+ is ($uc, "\311", "e acute -> E acute");
+
+ $u = UTF8Toggle->new("\311");
+ $lc = lcfirst $u;
+ is (length $lc, 1);
+ is ($lc, "\351", "E acute -> e acute");
+ $lc = lcfirst $u;
+ is (length $lc, 1);
+ is ($lc, "\351", "E acute -> e acute");
+ $lc = lcfirst $u;
+ is (length $lc, 1);
+ is ($lc, "\351", "E acute -> e acute");
+
+ $u = UTF8Toggle->new("\351");
+ $uc = ucfirst $u;
+ is (length $uc, 1);
+ is ($uc, "\311", "e acute -> E acute");
+ $uc = ucfirst $u;
+ is (length $uc, 1);
+ is ($uc, "\311", "e acute -> E acute");
+ $uc = ucfirst $u;
+ is (length $uc, 1);
+ is ($uc, "\311", "e acute -> E acute");
+ }
+}
+
+my $tmpfile = 'overload.tmp';
+
+foreach my $operator ('print', 'syswrite', 'syswrite len', 'syswrite off',
+ 'syswrite len off') {
+ foreach my $layer ('', ':utf8') {
+ open my $fh, "+>$layer", $tmpfile or die $!;
+ my $pad = $operator =~ /\boff\b/ ? "\243" : "";
+ my $trail = $operator =~ /\blen\b/ ? "!" : "";
+ my $u = UTF8Toggle->new("$pad\311\n$trail");
+ my $l = UTF8Toggle->new("$pad\351\n$trail", 1);
+ if ($operator eq 'print') {
+ no warnings 'utf8';
+ print $fh $u;
+ print $fh $u;
+ print $fh $u;
+ print $fh $l;
+ print $fh $l;
+ print $fh $l;
+ } elsif ($operator eq 'syswrite') {
+ syswrite $fh, $u;
+ syswrite $fh, $u;
+ syswrite $fh, $u;
+ syswrite $fh, $l;
+ syswrite $fh, $l;
+ syswrite $fh, $l;
+ } elsif ($operator eq 'syswrite len') {
+ syswrite $fh, $u, 2;
+ syswrite $fh, $u, 2;
+ syswrite $fh, $u, 2;
+ syswrite $fh, $l, 2;
+ syswrite $fh, $l, 2;
+ syswrite $fh, $l, 2;
+ } elsif ($operator eq 'syswrite off'
+ || $operator eq 'syswrite len off') {
+ syswrite $fh, $u, 2, 1;
+ syswrite $fh, $u, 2, 1;
+ syswrite $fh, $u, 2, 1;
+ syswrite $fh, $l, 2, 1;
+ syswrite $fh, $l, 2, 1;
+ syswrite $fh, $l, 2, 1;
+ } else {
+ die $operator;
+ }
+
+ seek $fh, 0, 0 or die $!;
+ my $line;
+ chomp ($line = <$fh>);
+ is ($line, "\311", "$operator $layer");
+ chomp ($line = <$fh>);
+ is ($line, "\311", "$operator $layer");
+ chomp ($line = <$fh>);
+ is ($line, "\311", "$operator $layer");
+ chomp ($line = <$fh>);
+ is ($line, "\351", "$operator $layer");
+ chomp ($line = <$fh>);
+ is ($line, "\351", "$operator $layer");
+ chomp ($line = <$fh>);
+ is ($line, "\351", "$operator $layer");
+
+ close $fh or die $!;
+ unlink $tmpfile or die $!;
}
}
+
+my $little = "\243\243";
+my $big = " \243 $little ! $little ! $little \243 ";
+my $right = rindex $big, $little;
+my $right1 = rindex $big, $little, 11;
+my $left = index $big, $little;
+my $left1 = index $big, $little, 4;
+
+cmp_ok ($right, ">", $right1, "Sanity check our rindex tests");
+cmp_ok ($left, "<", $left1, "Sanity check our index tests");
+
+foreach my $b ($big, UTF8Toggle->new($big)) {
+ foreach my $l ($little, UTF8Toggle->new($little),
+ UTF8Toggle->new($little, 1)) {
+ is (rindex ($b, $l), $right, "rindex");
+ is (rindex ($b, $l), $right, "rindex");
+ is (rindex ($b, $l), $right, "rindex");
+
+ is (rindex ($b, $l, 11), $right1, "rindex 11");
+ is (rindex ($b, $l, 11), $right1, "rindex 11");
+ is (rindex ($b, $l, 11), $right1, "rindex 11");
+
+ is (index ($b, $l), $left, "index");
+ is (index ($b, $l), $left, "index");
+ is (index ($b, $l), $left, "index");
+
+ is (index ($b, $l, 4), $left1, "index 4");
+ is (index ($b, $l, 4), $left1, "index 4");
+ is (index ($b, $l, 4), $left1, "index 4");
+ }
+}
+
+my $bits = "\311";
+foreach my $pieces ($bits, UTF8Toggle->new($bits)) {
+ like ($bits ^ $pieces, qr/\A\0+\z/, "something xor itself is zeros");
+ like ($bits ^ $pieces, qr/\A\0+\z/, "something xor itself is zeros");
+ like ($bits ^ $pieces, qr/\A\0+\z/, "something xor itself is zeros");
+
+ like ($pieces ^ $bits, qr/\A\0+\z/, "something xor itself is zeros");
+ like ($pieces ^ $bits, qr/\A\0+\z/, "something xor itself is zeros");
+ like ($pieces ^ $bits, qr/\A\0+\z/, "something xor itself is zeros");
+}
+
+foreach my $value ("\243", UTF8Toggle->new("\243")) {
+ is (pack ("A/A", $value), pack ("A/A", "\243"),
+ "pack copes with overloading");
+ is (pack ("A/A", $value), pack ("A/A", "\243"));
+ is (pack ("A/A", $value), pack ("A/A", "\243"));
+}
+
+foreach my $value ("\243", UTF8Toggle->new("\243")) {
+ my $v;
+ $v = substr $value, 0, 1;
+ is ($v, "\243");
+ $v = substr $value, 0, 1;
+ is ($v, "\243");
+ $v = substr $value, 0, 1;
+ is ($v, "\243");
+}
+
+{
+ package RT69422;
+ use overload '""' => sub { $_[0]->{data} }
+}
+
+{
+ my $text = bless { data => "\x{3075}" }, 'RT69422';
+ my $p = substr $text, 0, 1;
+ is ($p, "\x{3075}");
+}
+
+END {
+ 1 while -f $tmpfile and unlink $tmpfile || die "unlink '$tmpfile': $!";
+}