# This test harness will (eventually) test the "tie" functionality
# without the need for a *DBM* implementation.
-# Currently it only tests use strict "untie".
+# Currently it only tests the untie warning
chdir 't' if -d 't';
-@INC = "../lib";
+unshift @INC, "../lib";
$ENV{PERL5LIB} = "../lib";
$|=1;
+# catch warnings into fatal errors
+$SIG{__WARN__} = sub { die "WARNING: @_" } ;
+
undef $/;
@prgs = split "\n########\n", <DATA>;
print "1..", scalar @prgs, "\n";
$results = $@ ;
$results =~ s/\n+$//;
$expected =~ s/\n+$//;
- if ( $status or $results !~ /^$expected/){
+ if ( $status or $results and $results !~ /^WARNING: $expected/){
print STDERR "STATUS: $status\n";
print STDERR "PROG: $prog\n";
print STDERR "EXPECTED:\n$expected\n";
########
# strict behaviour, without any extra references
-use strict 'untie';
+use warning 'untie';
+#local $^W = 1 ;
use Tie::Hash ;
tie %h, Tie::StdHash;
untie %h;
########
# strict behaviour, with 1 extra references generating an error
-use strict 'untie';
+use warning 'untie';
+#local $^W = 1 ;
use Tie::Hash ;
$a = tie %h, Tie::StdHash;
untie %h;
EXPECT
-Can't untie: 1 inner references still exist at
+untie attempted while 1 inner references still exist
########
# strict behaviour, with 1 extra references via tied generating an error
-use strict 'untie';
+use warning 'untie';
+#local $^W = 1 ;
use Tie::Hash ;
tie %h, Tie::StdHash;
$a = tied %h;
untie %h;
EXPECT
-Can't untie: 1 inner references still exist at
+untie attempted while 1 inner references still exist
########
# strict behaviour, with 1 extra references which are destroyed
-use strict 'untie';
+use warning 'untie';
+#local $^W = 1 ;
use Tie::Hash ;
$a = tie %h, Tie::StdHash;
$a = 0 ;
########
# strict behaviour, with extra 1 references via tied which are destroyed
-use strict 'untie';
+use warning 'untie';
+#local $^W = 1 ;
use Tie::Hash ;
tie %h, Tie::StdHash;
$a = tied %h;
########
# strict error behaviour, with 2 extra references
-use strict 'untie';
+use warning 'untie';
+#local $^W = 1 ;
use Tie::Hash ;
$a = tie %h, Tie::StdHash;
$b = tied %h ;
untie %h;
EXPECT
-Can't untie: 2 inner references still exist at
+untie attempted while 2 inner references still exist
########
# strict behaviour, check scope of strictness.
-no strict 'untie';
+no warning 'untie';
+#local $^W = 0 ;
use Tie::Hash ;
$A = tie %H, Tie::StdHash;
$C = $B = tied %H ;
{
- use strict 'untie';
+ use warning 'untie';
+ #local $^W = 1 ;
use Tie::Hash ;
tie %h, Tie::StdHash;
untie %h;
}
untie %H;
EXPECT
+########
+
+# verify no leak when underlying object is selfsame tied variable
+my ($a, $b);
+sub Self::TIEHASH { bless $_[1], $_[0] }
+sub Self::DESTROY { $b = $_[0] + 0; }
+{
+ my %b5;
+ $a = \%b5 + 0;
+ tie %b5, 'Self', \%b5;
+}
+die unless $a == $b;
+EXPECT