Avoid a buffer overflow with threads and PERLIO_DEBUG

[p5sagit/p5-mst-13.2.git] / t / op / delete.t

diff --git a/t/op/delete.t b/t/op/delete.t
index 010cbf1..ac4405c 100755 (executable)
--- a/t/op/delete.t
+++ b/t/op/delete.t
@@ -1,32 +1,46 @@
 #!./perl
 
-# $RCSfile: delete.t,v $$Revision: 4.1 $$Date: 92/08/07 18:27:44 $
+print "1..38\n";
 
-print "1..7\n";
+# delete() on hash elements
 
 $foo{1} = 'a';
 $foo{2} = 'b';
 $foo{3} = 'c';
+$foo{4} = 'd';
+$foo{5} = 'e';
 
 $foo = delete $foo{2};
 
 if ($foo eq 'b') {print "ok 1\n";} else {print "not ok 1 $foo\n";}
-if ($foo{2} eq '') {print "ok 2\n";} else {print "not ok 2 $foo{2}\n";}
+unless (exists $foo{2}) {print "ok 2\n";} else {print "not ok 2 $foo{2}\n";}
 if ($foo{1} eq 'a') {print "ok 3\n";} else {print "not ok 3\n";}
 if ($foo{3} eq 'c') {print "ok 4\n";} else {print "not ok 4\n";}
+if ($foo{4} eq 'd') {print "ok 5\n";} else {print "not ok 5\n";}
+if ($foo{5} eq 'e') {print "ok 6\n";} else {print "not ok 6\n";}
 
-$foo = join('',values(foo));
-if ($foo eq 'ac' || $foo eq 'ca') {print "ok 5\n";} else {print "not ok 5\n";}
+@foo = delete @foo{4, 5};
 
-foreach $key (keys foo) {
+if (@foo == 2) {print "ok 7\n";} else {print "not ok 7 ", @foo+0, "\n";}
+if ($foo[0] eq 'd') {print "ok 8\n";} else {print "not ok 8 ", $foo[0], "\n";}
+if ($foo[1] eq 'e') {print "ok 9\n";} else {print "not ok 9 ", $foo[1], "\n";}
+unless (exists $foo{4}) {print "ok 10\n";} else {print "not ok 10 $foo{4}\n";}
+unless (exists $foo{5}) {print "ok 11\n";} else {print "not ok 11 $foo{5}\n";}
+if ($foo{1} eq 'a') {print "ok 12\n";} else {print "not ok 12\n";}
+if ($foo{3} eq 'c') {print "ok 13\n";} else {print "not ok 13\n";}
+
+$foo = join('',values(%foo));
+if ($foo eq 'ac' || $foo eq 'ca') {print "ok 14\n";} else {print "not ok 14\n";}
+
+foreach $key (keys %foo) {
     delete $foo{$key};
 }
 
 $foo{'foo'} = 'x';
 $foo{'bar'} = 'y';
 
-$foo = join('',values(foo));
-if ($foo eq 'xy' || $foo eq 'yx') {print "ok 6\n";} else {print "not ok 6\n";}
+$foo = join('',values(%foo));
+print +($foo eq 'xy' || $foo eq 'yx') ? "ok 15\n" : "not ok 15\n";
 
 $refhash{"top"}->{"foo"} = "FOO";
 $refhash{"top"}->{"bar"} = "BAR";
@@ -34,4 +48,97 @@ $refhash{"top"}->{"bar"} = "BAR";
 delete $refhash{"top"}->{"bar"};
 @list = keys %{$refhash{"top"}};
 
-print "@list" eq "foo" ? "ok 7\n" : "not ok 7 @list\n";
+print "@list" eq "foo" ? "ok 16\n" : "not ok 16 @list\n";
+
+{
+    my %a = ('bar', 33);
+    my($a) = \(values %a);
+    my $b = \$a{bar};
+    my $c = \delete $a{bar};
+
+    print "not " unless $a == $b && $b == $c;
+    print "ok 17\n";
+}
+
+# delete() on array elements
+
+@foo = ();
+$foo[1] = 'a';
+$foo[2] = 'b';
+$foo[3] = 'c';
+$foo[4] = 'd';
+$foo[5] = 'e';
+
+$foo = delete $foo[2];
+
+if ($foo eq 'b') {print "ok 18\n";} else {print "not ok 18 $foo\n";}
+unless (exists $foo[2]) {print "ok 19\n";} else {print "not ok 19 $foo[2]\n";}
+if ($foo[1] eq 'a') {print "ok 20\n";} else {print "not ok 20\n";}
+if ($foo[3] eq 'c') {print "ok 21\n";} else {print "not ok 21\n";}
+if ($foo[4] eq 'd') {print "ok 22\n";} else {print "not ok 22\n";}
+if ($foo[5] eq 'e') {print "ok 23\n";} else {print "not ok 23\n";}
+
+@bar = delete @foo[4,5];
+
+if (@bar == 2) {print "ok 24\n";} else {print "not ok 24 ", @bar+0, "\n";}
+if ($bar[0] eq 'd') {print "ok 25\n";} else {print "not ok 25 ", $bar[0], "\n";}
+if ($bar[1] eq 'e') {print "ok 26\n";} else {print "not ok 26 ", $bar[1], "\n";}
+unless (exists $foo[4]) {print "ok 27\n";} else {print "not ok 27 $foo[4]\n";}
+unless (exists $foo[5]) {print "ok 28\n";} else {print "not ok 28 $foo[5]\n";}
+if ($foo[1] eq 'a') {print "ok 29\n";} else {print "not ok 29\n";}
+if ($foo[3] eq 'c') {print "ok 30\n";} else {print "not ok 30\n";}
+
+$foo = join('',@foo);
+if ($foo eq 'ac') {print "ok 31\n";} else {print "not ok 31\n";}
+
+if (@foo == 4) {print "ok 32\n";} else {print "not ok 32\n";}
+
+foreach $key (0 .. $#foo) {
+    delete $foo[$key];
+}
+
+if (@foo == 0) {print "ok 33\n";} else {print "not ok 33\n";}
+
+$foo[0] = 'x';
+$foo[1] = 'y';
+
+$foo = "@foo";
+print +($foo eq 'x y') ? "ok 34\n" : "not ok 34\n";
+
+$refary[0]->[0] = "FOO";
+$refary[0]->[3] = "BAR";
+
+delete $refary[0]->[3];
+
+print @{$refary[0]} == 1 ? "ok 35\n" : "not ok 35 @list\n";
+
+{
+    my @a = 33;
+    my($a) = \(@a);
+    my $b = \$a[0];
+    my $c = \delete $a[bar];
+
+    print "not " unless $a == $b && $b == $c;
+    print "ok 36\n";
+}
+
+{
+    # [perl #29127] scalar delete of empty slice returned garbage
+    my %h;
+    my ($x,$y) = (1, scalar delete @h{()});
+    print "not " if defined $y;
+    print "ok 37\n";
+}
+
+{
+    # [perl #30733] array delete didn't free returned element
+    my $x = 0;
+    sub X::DESTROY { $x++ }
+    {
+       my @a;
+       $a[0] = bless [], 'X';
+       my $y = delete $a[0];
+    }
+    print "not " unless $x == 1;
+    print "ok 38\n";
+}