1#!./perl
2#
3#  Copyright (c) 1995-2000, Raphael Manfredi
4#
5#  You may redistribute only under the same terms as Perl 5, as specified
6#  in the README file that comes with the distribution.
7#
8
9#
10# Tests ref to items in tied hash/array structures.
11#
12
13sub BEGIN {
14    unshift @INC, 't';
15    unshift @INC, 't/compat' if $] < 5.006002;
16    require Config; import Config;
17    if ($ENV{PERL_CORE} and $Config{'extensions'} !~ /\bStorable\b/) {
18        print "1..0 # Skip: Storable was not built\n";
19        exit 0;
20    }
21}
22
23$^W = 0;
24
25use Storable qw(dclone);
26use Test::More tests => 8;
27
28$Storable::flags = Storable::FLAGS_COMPAT;
29
30$h_fetches = 0;
31
32sub H::TIEHASH { bless \(my $x), "H" }
33sub H::FETCH { $h_fetches++; $_[1] - 70 }
34
35tie %h, "H";
36
37$ref = \$h{77};
38$ref2 = dclone $ref;
39
40is($h_fetches, 0);
41is($$ref2, $$ref);
42is($$ref2, 7);
43is($h_fetches, 2);
44
45$a_fetches = 0;
46
47sub A::TIEARRAY { bless \(my $x), "A" }
48sub A::FETCH { $a_fetches++; $_[1] - 70 }
49
50tie @a, "A";
51
52$ref = \$a[78];
53$ref2 = dclone $ref;
54
55is($a_fetches, 0);
56is($$ref2, $$ref);
57is($$ref2, 8);
58# a bug in 5.12 and earlier caused an extra FETCH
59is($a_fetches, $] < 5.013 ? 3 : 2);
60