# 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";
+@INC = '../lib';
$ENV{PERL5LIB} = "../lib";
$|=1;
+# catch warnings into fatal errors
+$SIG{__WARN__} = sub { die "WARNING: @_" } ;
+$SIG{__DIE__} = sub { die @_ };
+
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";
EXPECT
########
+# standard behaviour, without any extra references
+use Tie::Hash ;
+{package Tie::HashUntie;
+ use base 'Tie::StdHash';
+ sub UNTIE
+ {
+ warn "Untied\n";
+ }
+}
+tie %h, Tie::HashUntie;
+untie %h;
+EXPECT
+Untied
+########
+
# standard behaviour, with 1 extra reference
use Tie::Hash ;
$a = tie %h, Tie::StdHash;
########
# strict behaviour, without any extra references
-use strict 'untie';
+use warnings 'untie';
use Tie::Hash ;
tie %h, Tie::StdHash;
untie %h;
########
# strict behaviour, with 1 extra references generating an error
-use strict 'untie';
+use warnings 'untie';
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 warnings 'untie';
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 warnings 'untie';
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 warnings 'untie';
use Tie::Hash ;
tie %h, Tie::StdHash;
$a = tied %h;
########
# strict error behaviour, with 2 extra references
-use strict 'untie';
+use warnings 'untie';
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 warnings 'untie';
use Tie::Hash ;
$A = tie %H, Tie::StdHash;
$C = $B = tied %H ;
{
- use strict 'untie';
+ use warnings 'untie';
use Tie::Hash ;
tie %h, Tie::StdHash;
untie %h;
}
untie %H;
EXPECT
+########
+# Forbidden aggregate self-ties
+my ($a, $b) = (0, 0);
+sub Self::TIEHASH { bless $_[1], $_[0] }
+sub Self::DESTROY { $b = $_[0] + 1; }
+{
+ my %c = 42;
+ tie %c, 'Self', \%c;
+}
+EXPECT
+Self-ties of arrays and hashes are not supported
+########
+# Allowed scalar self-ties
+my ($a, $b) = (0, 0);
+sub Self::TIESCALAR { bless $_[1], $_[0] }
+sub Self::DESTROY { $b = $_[0] + 1; }
+{
+ my $c = 42;
+ $a = $c + 0;
+ tie $c, 'Self', \$c;
+}
+die unless $a == 0 && $b == 43;
+EXPECT
+########
+# Interaction of tie and vec
+
+my ($a, $b);
+use Tie::Scalar;
+tie $a,Tie::StdScalar or die;
+vec($b,1,1)=1;
+$a = $b;
+vec($a,1,1)=0;
+vec($b,1,1)=0;
+die unless $a eq $b;
+EXPECT
+########
+# An attempt at lvalueable barewords broke this
+
+tie FH, 'main';
+EXPECT
+