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7a6a85bf RG |
1 | #!./perl |
2 | ||
b12202d0 | 3 | # $Id: tied_hook.t,v 1.0.1.1 2001/02/17 12:29:01 ram Exp $ |
7a6a85bf RG |
4 | # |
5 | # Copyright (c) 1995-2000, Raphael Manfredi | |
6 | # | |
9e21b3d0 JH |
7 | # You may redistribute only under the same terms as Perl 5, as specified |
8 | # in the README file that comes with the distribution. | |
7a6a85bf RG |
9 | # |
10 | # $Log: tied_hook.t,v $ | |
b12202d0 JH |
11 | # Revision 1.0.1.1 2001/02/17 12:29:01 ram |
12 | # patch8: added test for blessed ref to tied hash | |
13 | # | |
9e21b3d0 JH |
14 | # Revision 1.0 2000/09/01 19:40:42 ram |
15 | # Baseline for first official release. | |
7a6a85bf RG |
16 | # |
17 | ||
18 | sub BEGIN { | |
19 | chdir('t') if -d 't'; | |
20822f61 MG |
20 | @INC = '.'; |
21 | push @INC, '../lib'; | |
9f233367 PP |
22 | require Config; import Config; |
23 | if ($Config{'extensions'} !~ /\bStorable\b/) { | |
24 | print "1..0 # Skip: Storable was not built\n"; | |
25 | exit 0; | |
26 | } | |
7a6a85bf RG |
27 | require 'lib/st-dump.pl'; |
28 | } | |
29 | ||
30 | sub ok; | |
31 | ||
32 | use Storable qw(freeze thaw); | |
33 | ||
b12202d0 | 34 | print "1..25\n"; |
7a6a85bf RG |
35 | |
36 | ($scalar_fetch, $array_fetch, $hash_fetch) = (0, 0, 0); | |
37 | ||
38 | package TIED_HASH; | |
39 | ||
40 | sub TIEHASH { | |
41 | my $self = bless {}, shift; | |
42 | return $self; | |
43 | } | |
44 | ||
45 | sub FETCH { | |
46 | my $self = shift; | |
47 | my ($key) = @_; | |
48 | $main::hash_fetch++; | |
49 | return $self->{$key}; | |
50 | } | |
51 | ||
52 | sub STORE { | |
53 | my $self = shift; | |
54 | my ($key, $value) = @_; | |
55 | $self->{$key} = $value; | |
56 | } | |
57 | ||
58 | sub FIRSTKEY { | |
59 | my $self = shift; | |
60 | scalar keys %{$self}; | |
61 | return each %{$self}; | |
62 | } | |
63 | ||
64 | sub NEXTKEY { | |
65 | my $self = shift; | |
66 | return each %{$self}; | |
67 | } | |
68 | ||
69 | sub STORABLE_freeze { | |
70 | my $self = shift; | |
71 | $main::hash_hook1++; | |
72 | return join(":", keys %$self) . ";" . join(":", values %$self); | |
73 | } | |
74 | ||
75 | sub STORABLE_thaw { | |
76 | my ($self, $cloning, $frozen) = @_; | |
77 | my ($keys, $values) = split(/;/, $frozen); | |
78 | my @keys = split(/:/, $keys); | |
79 | my @values = split(/:/, $values); | |
80 | for (my $i = 0; $i < @keys; $i++) { | |
81 | $self->{$keys[$i]} = $values[$i]; | |
82 | } | |
83 | $main::hash_hook2++; | |
84 | } | |
85 | ||
86 | package TIED_ARRAY; | |
87 | ||
88 | sub TIEARRAY { | |
89 | my $self = bless [], shift; | |
90 | return $self; | |
91 | } | |
92 | ||
93 | sub FETCH { | |
94 | my $self = shift; | |
95 | my ($idx) = @_; | |
96 | $main::array_fetch++; | |
97 | return $self->[$idx]; | |
98 | } | |
99 | ||
100 | sub STORE { | |
101 | my $self = shift; | |
102 | my ($idx, $value) = @_; | |
103 | $self->[$idx] = $value; | |
104 | } | |
105 | ||
106 | sub FETCHSIZE { | |
107 | my $self = shift; | |
108 | return @{$self}; | |
109 | } | |
110 | ||
111 | sub STORABLE_freeze { | |
112 | my $self = shift; | |
113 | $main::array_hook1++; | |
114 | return join(":", @$self); | |
115 | } | |
116 | ||
117 | sub STORABLE_thaw { | |
118 | my ($self, $cloning, $frozen) = @_; | |
119 | @$self = split(/:/, $frozen); | |
120 | $main::array_hook2++; | |
121 | } | |
122 | ||
123 | package TIED_SCALAR; | |
124 | ||
125 | sub TIESCALAR { | |
126 | my $scalar; | |
127 | my $self = bless \$scalar, shift; | |
128 | return $self; | |
129 | } | |
130 | ||
131 | sub FETCH { | |
132 | my $self = shift; | |
133 | $main::scalar_fetch++; | |
134 | return $$self; | |
135 | } | |
136 | ||
137 | sub STORE { | |
138 | my $self = shift; | |
139 | my ($value) = @_; | |
140 | $$self = $value; | |
141 | } | |
142 | ||
143 | sub STORABLE_freeze { | |
144 | my $self = shift; | |
145 | $main::scalar_hook1++; | |
146 | return $$self; | |
147 | } | |
148 | ||
149 | sub STORABLE_thaw { | |
150 | my ($self, $cloning, $frozen) = @_; | |
151 | $$self = $frozen; | |
152 | $main::scalar_hook2++; | |
153 | } | |
154 | ||
155 | package main; | |
156 | ||
157 | $a = 'toto'; | |
158 | $b = \$a; | |
159 | ||
160 | $c = tie %hash, TIED_HASH; | |
161 | $d = tie @array, TIED_ARRAY; | |
162 | tie $scalar, TIED_SCALAR; | |
163 | ||
164 | $scalar = 'foo'; | |
165 | $hash{'attribute'} = 'plain value'; | |
166 | $array[0] = \$scalar; | |
167 | $array[1] = $c; | |
168 | $array[2] = \@array; | |
169 | $array[3] = "plaine scalaire"; | |
170 | ||
171 | @tied = (\$scalar, \@array, \%hash); | |
172 | %a = ('key', 'value', 1, 0, $a, $b, 'cvar', \$a, 'scalarref', \$scalar); | |
173 | @a = ('first', 3, -4, -3.14159, 456, 4.5, $d, \$d, | |
174 | $b, \$a, $a, $c, \$c, \%a, \@array, \%hash, \@tied); | |
175 | ||
176 | ok 1, defined($f = freeze(\@a)); | |
177 | ||
178 | $dumped = &dump(\@a); | |
179 | ok 2, 1; | |
180 | ||
181 | $root = thaw($f); | |
182 | ok 3, defined $root; | |
183 | ||
184 | $got = &dump($root); | |
185 | ok 4, 1; | |
186 | ||
187 | ok 5, $got ne $dumped; # our hooks did not handle refs in array | |
188 | ||
189 | $g = freeze($root); | |
190 | ok 6, length($f) == length($g); | |
191 | ||
192 | # Ensure the tied items in the retrieved image work | |
193 | @old = ($scalar_fetch, $array_fetch, $hash_fetch); | |
194 | @tied = ($tscalar, $tarray, $thash) = @{$root->[$#{$root}]}; | |
195 | @type = qw(SCALAR ARRAY HASH); | |
196 | ||
197 | ok 7, tied $$tscalar; | |
198 | ok 8, tied @{$tarray}; | |
199 | ok 9, tied %{$thash}; | |
200 | ||
201 | @new = ($$tscalar, $tarray->[0], $thash->{'attribute'}); | |
202 | @new = ($scalar_fetch, $array_fetch, $hash_fetch); | |
203 | ||
204 | # Tests 10..15 | |
205 | for ($i = 0; $i < @new; $i++) { | |
206 | ok 10 + 2*$i, $new[$i] == $old[$i] + 1; # Tests 10,12,14 | |
207 | ok 11 + 2*$i, ref $tied[$i] eq $type[$i]; # Tests 11,13,15 | |
208 | } | |
209 | ||
210 | ok 16, $$tscalar eq 'foo'; | |
211 | ok 17, $tarray->[3] eq 'plaine scalaire'; | |
212 | ok 18, $thash->{'attribute'} eq 'plain value'; | |
213 | ||
214 | # Ensure hooks were called | |
215 | ok 19, ($scalar_hook1 && $scalar_hook2); | |
216 | ok 20, ($array_hook1 && $array_hook2); | |
217 | ok 21, ($hash_hook1 && $hash_hook2); | |
218 | ||
b12202d0 JH |
219 | # |
220 | # And now for the "blessed ref to tied hash" with "store hook" test... | |
221 | # | |
222 | ||
223 | my $bc = bless \%hash, 'FOO'; # FOO does not exist -> no hook | |
224 | my $bx = thaw freeze $bc; | |
225 | ||
226 | ok 22, ref $bx eq 'FOO'; | |
227 | my $old_hash_fetch = $hash_fetch; | |
228 | my $v = $bx->{attribute}; | |
229 | ok 23, $hash_fetch == $old_hash_fetch + 1; # Still tied | |
230 | ||
231 | package TIED_HASH_REF; | |
232 | ||
233 | ||
234 | sub STORABLE_freeze { | |
235 | my ($self, $cloning) = @_; | |
236 | return if $cloning; | |
237 | return('ref lost'); | |
238 | } | |
239 | ||
240 | sub STORABLE_thaw { | |
241 | my ($self, $cloning, $data) = @_; | |
242 | return if $cloning; | |
243 | } | |
244 | ||
245 | package main; | |
246 | ||
247 | $bc = bless \%hash, 'TIED_HASH_REF'; | |
248 | $bx = thaw freeze $bc; | |
249 | ||
250 | ok 24, ref $bx eq 'TIED_HASH_REF'; | |
251 | $old_hash_fetch = $hash_fetch; | |
252 | $v = $bx->{attribute}; | |
253 | ok 25, $hash_fetch == $old_hash_fetch + 1; # Still tied | |
254 |