X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=t%2Funi%2Foverload.t;h=e4f4e132ea39889c98314dc6b31e75c2a56eecfc;hb=a2309040b8fe324ae09c064137c624b4292d93c1;hp=3ecfafbe41ff9c6af0de428e99f78bfd38297fd4;hpb=ec9af7d430b6660eff7240fa20757fa5feb233a8;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/t/uni/overload.t b/t/uni/overload.t
index 3ecfafb..e4f4e13 100644
--- a/t/uni/overload.t
+++ b/t/uni/overload.t
@@ -7,16 +7,18 @@ BEGIN {
     }
 }
 
-use Test::More tests => 12;
+use Test::More tests => 208;
 
 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 {
@@ -43,6 +45,50 @@ foreach my $t ("ASCII", "B\366se") {
     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;
@@ -52,17 +98,172 @@ eval {
 
 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 accute -> e accute");
+	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 = '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"));
+}
+
+END {
+    1 while -f $tmpfile and unlink $tmpfile || die "unlink '$tmpfile': $!";
+}