#!./perl

#

#  Copyright (c) 1995-2000, Raphael Manfredi

#  

#  You may redistribute only under the same terms as Perl 5, as specified

#  in the README file that comes with the distribution.

#

#

# Tests ref to items in tied hash/array structures.

#

sub BEGIN {

    unshift @INC, 't';

    unshift @INC, 't/compat' if $] < 5.006002;

    require Config; import Config;

    if ($ENV{PERL_CORE} and $Config{'extensions'} !~ /\bStorable\b/) {

        print "1..0 # Skip: Storable was not built\n";

        exit 0;

    }

}

$^W = 0;

use Storable qw(dclone);

use Test::More tests => 8;

$Storable::flags = Storable::FLAGS_COMPAT;

$h_fetches = 0;

sub H::TIEHASH { bless \(my $x), "H" }

sub H::FETCH { $h_fetches++; $_[1] - 70 }

tie %h, "H";

$ref = \$h{77};

$ref2 = dclone $ref;

is($h_fetches, 0);

is($$ref2, $$ref);

is($$ref2, 7);

is($h_fetches, 2);

$a_fetches = 0;

sub A::TIEARRAY { bless \(my $x), "A" }

sub A::FETCH { $a_fetches++; $_[1] - 70 }

tie @a, "A";

$ref = \$a[78];

$ref2 = dclone $ref;

is($a_fetches, 0);

is($$ref2, $$ref);

is($$ref2, 8);

# a bug in 5.12 and earlier caused an extra FETCH

is($a_fetches, $] < 5.013 ? 3 : 2);