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