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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 | unshift @INC, 't'; |
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11 | require Config; import Config; |
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12 | if ($ENV{PERL_CORE} and $Config{'extensions'} !~ /\bStorable\b/) { |
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13 | print "1..0 # Skip: Storable was not built\n"; |
14 | exit 0; |
15 | } |
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16 | require 'st-dump.pl'; |
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17 | } |
18 | |
19 | sub ok; |
20 | |
21 | use Storable qw(freeze thaw dclone); |
22 | |
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23 | print "1..33\n"; |
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24 | |
25 | package OBJ_REAL; |
26 | |
27 | use Storable qw(freeze thaw); |
28 | |
29 | @x = ('a', 1); |
30 | |
31 | sub make { bless [], shift } |
32 | |
33 | sub STORABLE_freeze { |
34 | my $self = shift; |
35 | my $cloning = shift; |
36 | die "STORABLE_freeze" unless Storable::is_storing; |
37 | return (freeze(\@x), $self); |
38 | } |
39 | |
40 | sub STORABLE_thaw { |
41 | my $self = shift; |
42 | my $cloning = shift; |
43 | my ($x, $obj) = @_; |
44 | die "STORABLE_thaw #1" unless $obj eq $self; |
45 | my $len = length $x; |
46 | my $a = thaw $x; |
47 | die "STORABLE_thaw #2" unless ref $a eq 'ARRAY'; |
48 | die "STORABLE_thaw #3" unless @$a == 2 && $a->[0] eq 'a' && $a->[1] == 1; |
49 | @$self = @$a; |
50 | die "STORABLE_thaw #4" unless Storable::is_retrieving; |
51 | } |
52 | |
53 | package OBJ_SYNC; |
54 | |
55 | @x = ('a', 1); |
56 | |
57 | sub make { bless {}, shift } |
58 | |
59 | sub STORABLE_freeze { |
60 | my $self = shift; |
61 | my ($cloning) = @_; |
62 | return if $cloning; |
63 | return ("", \@x, $self); |
64 | } |
65 | |
66 | sub STORABLE_thaw { |
67 | my $self = shift; |
68 | my ($cloning, $undef, $a, $obj) = @_; |
69 | die "STORABLE_thaw #1" unless $obj eq $self; |
70 | die "STORABLE_thaw #2" unless ref $a eq 'ARRAY' || @$a != 2; |
71 | $self->{ok} = $self; |
72 | } |
73 | |
74 | package OBJ_SYNC2; |
75 | |
76 | use Storable qw(dclone); |
77 | |
78 | sub make { |
79 | my $self = bless {}, shift; |
80 | my ($ext) = @_; |
81 | $self->{sync} = OBJ_SYNC->make; |
82 | $self->{ext} = $ext; |
83 | return $self; |
84 | } |
85 | |
86 | sub STORABLE_freeze { |
87 | my $self = shift; |
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88 | my %copy = %$self; |
89 | my $r = \%copy; |
90 | my $t = dclone($r->{sync}); |
91 | return ("", [$t, $self->{ext}], $r, $self, $r->{ext}); |
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92 | } |
93 | |
94 | sub STORABLE_thaw { |
95 | my $self = shift; |
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96 | my ($cloning, $undef, $a, $r, $obj, $ext) = @_; |
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97 | die "STORABLE_thaw #1" unless $obj eq $self; |
98 | die "STORABLE_thaw #2" unless ref $a eq 'ARRAY'; |
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99 | die "STORABLE_thaw #3" unless ref $r eq 'HASH'; |
100 | die "STORABLE_thaw #4" unless $a->[1] == $r->{ext}; |
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101 | $self->{ok} = $self; |
102 | ($self->{sync}, $self->{ext}) = @$a; |
103 | } |
104 | |
105 | package OBJ_REAL2; |
106 | |
107 | use Storable qw(freeze thaw); |
108 | |
109 | $MAX = 20; |
110 | $recursed = 0; |
111 | $hook_called = 0; |
112 | |
113 | sub make { bless [], shift } |
114 | |
115 | sub STORABLE_freeze { |
116 | my $self = shift; |
117 | $hook_called++; |
118 | return (freeze($self), $self) if ++$recursed < $MAX; |
119 | return ("no", $self); |
120 | } |
121 | |
122 | sub STORABLE_thaw { |
123 | my $self = shift; |
124 | my $cloning = shift; |
125 | my ($x, $obj) = @_; |
126 | die "STORABLE_thaw #1" unless $obj eq $self; |
127 | $self->[0] = thaw($x) if $x ne "no"; |
128 | $recursed--; |
129 | } |
130 | |
131 | package main; |
132 | |
133 | my $real = OBJ_REAL->make; |
134 | my $x = freeze $real; |
135 | ok 1, 1; |
136 | |
137 | my $y = thaw $x; |
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138 | ok 2, ref $y eq 'OBJ_REAL'; |
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139 | ok 3, $y->[0] eq 'a'; |
140 | ok 4, $y->[1] == 1; |
141 | |
142 | my $sync = OBJ_SYNC->make; |
143 | $x = freeze $sync; |
144 | ok 5, 1; |
145 | |
146 | $y = thaw $x; |
147 | ok 6, 1; |
148 | ok 7, $y->{ok} == $y; |
149 | |
150 | my $ext = [1, 2]; |
151 | $sync = OBJ_SYNC2->make($ext); |
152 | $x = freeze [$sync, $ext]; |
153 | ok 8, 1; |
154 | |
155 | my $z = thaw $x; |
156 | $y = $z->[0]; |
157 | ok 9, 1; |
158 | ok 10, $y->{ok} == $y; |
159 | ok 11, ref $y->{sync} eq 'OBJ_SYNC'; |
160 | ok 12, $y->{ext} == $z->[1]; |
161 | |
162 | $real = OBJ_REAL2->make; |
163 | $x = freeze $real; |
164 | ok 13, 1; |
165 | ok 14, $OBJ_REAL2::recursed == $OBJ_REAL2::MAX; |
166 | ok 15, $OBJ_REAL2::hook_called == $OBJ_REAL2::MAX; |
167 | |
168 | $y = thaw $x; |
169 | ok 16, 1; |
170 | ok 17, $OBJ_REAL2::recursed == 0; |
171 | |
172 | $x = dclone $real; |
173 | ok 18, 1; |
174 | ok 19, ref $x eq 'OBJ_REAL2'; |
175 | ok 20, $OBJ_REAL2::recursed == 0; |
176 | ok 21, $OBJ_REAL2::hook_called == 2 * $OBJ_REAL2::MAX; |
177 | |
178 | ok 22, !Storable::is_storing; |
179 | ok 23, !Storable::is_retrieving; |
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180 | |
181 | # |
182 | # The following was a test-case that Salvador Ortiz Garcia <sog@msg.com.mx> |
183 | # sent me, along with a proposed fix. |
184 | # |
185 | |
186 | package Foo; |
187 | |
188 | sub new { |
189 | my $class = shift; |
190 | my $dat = shift; |
191 | return bless {dat => $dat}, $class; |
192 | } |
193 | |
194 | package Bar; |
195 | sub new { |
196 | my $class = shift; |
197 | return bless { |
198 | a => 'dummy', |
199 | b => [ |
200 | Foo->new(1), |
201 | Foo->new(2), # Second instance of a Foo |
202 | ] |
203 | }, $class; |
204 | } |
205 | |
206 | sub STORABLE_freeze { |
207 | my($self,$clonning) = @_; |
208 | return "$self->{a}", $self->{b}; |
209 | } |
210 | |
211 | sub STORABLE_thaw { |
212 | my($self,$clonning,$dummy,$o) = @_; |
213 | $self->{a} = $dummy; |
214 | $self->{b} = $o; |
215 | } |
216 | |
217 | package main; |
218 | |
219 | my $bar = new Bar; |
220 | my $bar2 = thaw freeze $bar; |
221 | |
222 | ok 24, ref($bar2) eq 'Bar'; |
223 | ok 25, ref($bar->{b}[0]) eq 'Foo'; |
224 | ok 26, ref($bar->{b}[1]) eq 'Foo'; |
225 | ok 27, ref($bar2->{b}[0]) eq 'Foo'; |
226 | ok 28, ref($bar2->{b}[1]) eq 'Foo'; |
227 | |
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228 | # |
229 | # The following attempts to make sure blessed objects are blessed ASAP |
230 | # at retrieve time. |
231 | # |
232 | |
233 | package CLASS_1; |
234 | |
235 | sub make { |
236 | my $self = bless {}, shift; |
237 | return $self; |
238 | } |
239 | |
240 | package CLASS_2; |
241 | |
242 | sub make { |
243 | my $self = bless {}, shift; |
244 | my ($o) = @_; |
245 | $self->{c1} = CLASS_1->make(); |
246 | $self->{o} = $o; |
247 | $self->{c3} = bless CLASS_1->make(), "CLASS_3"; |
248 | $o->set_c2($self); |
249 | return $self; |
250 | } |
251 | |
252 | sub STORABLE_freeze { |
253 | my($self, $clonning) = @_; |
254 | return "", $self->{c1}, $self->{c3}, $self->{o}; |
255 | } |
256 | |
257 | sub STORABLE_thaw { |
258 | my($self, $clonning, $frozen, $c1, $c3, $o) = @_; |
259 | main::ok 29, ref $self eq "CLASS_2"; |
260 | main::ok 30, ref $c1 eq "CLASS_1"; |
261 | main::ok 31, ref $c3 eq "CLASS_3"; |
262 | main::ok 32, ref $o eq "CLASS_OTHER"; |
263 | $self->{c1} = $c1; |
264 | $self->{c3} = $c3; |
265 | } |
266 | |
267 | package CLASS_OTHER; |
268 | |
269 | sub make { |
270 | my $self = bless {}, shift; |
271 | return $self; |
272 | } |
273 | |
274 | sub set_c2 { $_[0]->{c2} = $_[1] } |
275 | |
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276 | # |
277 | # Is the reference count of the extra references returned from a |
278 | # STORABLE_freeze hook correct? [ID 20020601.005] |
279 | # |
280 | package Foo2; |
281 | |
282 | sub new { |
283 | my $self = bless {}, $_[0]; |
284 | $self->{freezed} = "$self"; |
285 | return $self; |
286 | } |
287 | |
288 | sub DESTROY { |
289 | my $self = shift; |
290 | $::refcount_ok = 1 unless "$self" eq $self->{freezed}; |
291 | } |
292 | |
293 | package Foo3; |
294 | |
295 | sub new { |
296 | bless {}, $_[0]; |
297 | } |
298 | |
299 | sub STORABLE_freeze { |
300 | my $obj = shift; |
301 | return ("", $obj, Foo2->new); |
302 | } |
303 | |
304 | sub STORABLE_thaw { } # Not really used |
305 | |
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306 | package main; |
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307 | use vars qw($refcount_ok); |
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308 | |
309 | my $o = CLASS_OTHER->make(); |
310 | my $c2 = CLASS_2->make($o); |
311 | my $so = thaw freeze $o; |
312 | |
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313 | $refcount_ok = 0; |
314 | thaw freeze(Foo3->new); |
315 | ok 33, $refcount_ok == 1; |