# $RCSfile: append.t,v $$Revision: 4.1 $$Date: 92/08/07 18:27:36 $
-print "1..3\n";
+print "1..13\n";
$a = 'ab' . 'c'; # compile time
$b = 'def';
$_ .= $b;
print "#3\t:$_: eq :abcdef:\n";
if ($_ eq 'abcdef') {print "ok 3\n";} else {print "not ok 3\n";}
+
+# test that when right argument of concat is UTF8, and is the same
+# variable as the target, and the left argument is not UTF8, it no
+# longer frees the wrong string.
+{
+ sub r2 {
+ my $string = '';
+ $string .= pack("U0a*", 'mnopqrstuvwx');
+ $string = "abcdefghijkl$string";
+ }
+
+ r2() and print "ok $_\n" for qw/ 4 5 /;
+}
+
+# test that nul bytes get copied
+{
+ my ($a, $ab) = ("a", "a\0b");
+ my ($ua, $uab) = map pack("U0a*", $_), $a, $ab;
+
+ my $ub = pack("U0a*", 'b');
+
+ my $t1 = $a; $t1 .= $ab;
+
+ print $t1 =~ /b/ ? "ok 6\n" : "not ok 6\t# $t1\n";
+
+ my $t2 = $a; $t2 .= $uab;
+
+ print eval '$t2 =~ /$ub/' ? "ok 7\n" : "not ok 7\t# $t2\n";
+
+ my $t3 = $ua; $t3 .= $ab;
+
+ print $t3 =~ /$ub/ ? "ok 8\n" : "not ok 8\t# $t3\n";
+
+ my $t4 = $ua; $t4 .= $uab;
+
+ print eval '$t4 =~ /$ub/' ? "ok 9\n" : "not ok 9\t# $t4\n";
+
+ my $t5 = $a; $t5 = $ab . $t5;
+
+ print $t5 =~ /$ub/ ? "ok 10\n" : "not ok 10\t# $t5\n";
+
+ my $t6 = $a; $t6 = $uab . $t6;
+
+ print eval '$t6 =~ /$ub/' ? "ok 11\n" : "not ok 11\t# $t6\n";
+
+ my $t7 = $ua; $t7 = $ab . $t7;
+
+ print $t7 =~ /$ub/ ? "ok 12\n" : "not ok 12\t# $t7\n";
+
+ my $t8 = $ua; $t8 = $uab . $t8;
+
+ print eval '$t8 =~ /$ub/' ? "ok 13\n" : "not ok 13\t# $t8\n";
+}