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1 | #!./perl |
2 | |
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3 | # $Id: tied_items.t,v 1.0 2000/09/01 19:40:42 ram Exp $ |
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4 | # |
5 | # Copyright (c) 1995-2000, Raphael Manfredi |
6 | # |
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7 | # You may redistribute only under the same terms as Perl 5, as specified |
8 | # in the README file that comes with the distribution. |
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9 | # |
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10 | |
11 | # |
12 | # Tests ref to items in tied hash/array structures. |
13 | # |
14 | |
15 | sub BEGIN { |
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16 | if ($ENV{PERL_CORE}){ |
17 | chdir('t') if -d 't'; |
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18 | @INC = ('.', '../lib', '../ext/Storable/t'); |
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19 | } else { |
20 | unshift @INC, 't'; |
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21 | } |
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22 | require Config; import Config; |
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23 | if ($ENV{PERL_CORE} and $Config{'extensions'} !~ /\bStorable\b/) { |
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24 | print "1..0 # Skip: Storable was not built\n"; |
25 | exit 0; |
26 | } |
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27 | require 'st-dump.pl'; |
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28 | } |
29 | |
30 | sub ok; |
31 | $^W = 0; |
32 | |
33 | print "1..8\n"; |
34 | |
35 | use Storable qw(dclone); |
36 | |
37 | $h_fetches = 0; |
38 | |
39 | sub H::TIEHASH { bless \(my $x), "H" } |
40 | sub H::FETCH { $h_fetches++; $_[1] - 70 } |
41 | |
42 | tie %h, "H"; |
43 | |
44 | $ref = \$h{77}; |
45 | $ref2 = dclone $ref; |
46 | |
47 | ok 1, $h_fetches == 0; |
48 | ok 2, $$ref2 eq $$ref; |
49 | ok 3, $$ref2 == 7; |
50 | ok 4, $h_fetches == 2; |
51 | |
52 | $a_fetches = 0; |
53 | |
54 | sub A::TIEARRAY { bless \(my $x), "A" } |
55 | sub A::FETCH { $a_fetches++; $_[1] - 70 } |
56 | |
57 | tie @a, "A"; |
58 | |
59 | $ref = \$a[78]; |
60 | $ref2 = dclone $ref; |
61 | |
62 | ok 5, $a_fetches == 0; |
63 | ok 6, $$ref2 eq $$ref; |
64 | ok 7, $$ref2 == 8; |
65 | # I don't understand why it's 3 and not 2 |
66 | ok 8, $a_fetches == 3; |