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|
#!perl -w
BEGIN {
chdir 't';
@INC = '../lib';
require Config; import Config;
require './test.pl';
}
plan(tests => 215);
package UTF8Toggle;
use strict;
use overload '""' => 'stringify', fallback => 1;
sub new {
my $class = shift;
my $value = shift;
my $state = shift||0;
return bless [$value, $state], $class;
}
sub stringify {
my $self = shift;
$self->[1] = ! $self->[1];
if ($self->[1]) {
utf8::downgrade($self->[0]);
} else {
utf8::upgrade($self->[0]);
}
$self->[0];
}
package main;
# These tests are based on characters 128-255 not having latin1, and hence
# Unicode, semantics
# no feature "unicode_strings";
# Bug 34297
foreach my $t ("ASCII", "B\366se") {
my $length = length $t;
my $u = UTF8Toggle->new($t);
is (length $u, $length, "length of '$t'");
is (length $u, $length, "length of '$t'");
is (length $u, $length, "length of '$t'");
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 $have_setlocale = 0;
eval {
require POSIX;
if($Config{d_setlocale}) {
import POSIX ':locale_h';
$have_setlocale++;
}
};
SKIP: {
if (!$have_setlocale) {
skip "No setlocale", 24;
} elsif (!setlocale(&POSIX::LC_ALL, "en_GB.ISO8859-1")) {
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 {
BEGIN {
if($Config{d_setlocale}) {
require locale; import locale;
}
}
my $u = UTF8Toggle->new("\311");
my $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 acute -> e acute");
$lc = lc $u;
is (length $lc, 1);
is ($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 = tempfile();
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 $!;
}
}
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}");
}
|
