Commit | Line | Data |
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7a6a85bf | 1 | #!./perl |
7a6a85bf RG |
2 | # |
3 | # Copyright (c) 1995-2000, Raphael Manfredi | |
4 | # | |
9e21b3d0 JH |
5 | # You may redistribute only under the same terms as Perl 5, as specified |
6 | # in the README file that comes with the distribution. | |
7a6a85bf | 7 | # |
7a6a85bf RG |
8 | |
9 | sub BEGIN { | |
48c887dd | 10 | unshift @INC, 't'; |
9f233367 | 11 | require Config; import Config; |
0c384302 | 12 | if ($ENV{PERL_CORE} and $Config{'extensions'} !~ /\bStorable\b/) { |
9f233367 PP |
13 | print "1..0 # Skip: Storable was not built\n"; |
14 | exit 0; | |
15 | } | |
372cb964 | 16 | require 'st-dump.pl'; |
7a6a85bf RG |
17 | } |
18 | ||
19 | sub ok; | |
20 | ||
21 | use Storable qw(freeze thaw dclone); | |
22 | ||
5e2505e0 | 23 | print "1..33\n"; |
7a6a85bf RG |
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 $self = shift; | |
90826881 JH |
88 | my %copy = %$self; |
89 | my $r = \%copy; | |
90 | my $t = dclone($r->{sync}); | |
91 | return ("", [$t, $self->{ext}], $r, $self, $r->{ext}); | |
7a6a85bf RG |
92 | } |
93 | ||
94 | sub STORABLE_thaw { | |
95 | my $self = shift; | |
90826881 | 96 | my ($cloning, $undef, $a, $r, $obj, $ext) = @_; |
7a6a85bf RG |
97 | die "STORABLE_thaw #1" unless $obj eq $self; |
98 | die "STORABLE_thaw #2" unless ref $a eq 'ARRAY'; | |
90826881 JH |
99 | die "STORABLE_thaw #3" unless ref $r eq 'HASH'; |
100 | die "STORABLE_thaw #4" unless $a->[1] == $r->{ext}; | |
7a6a85bf RG |
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; | |
56d3e32d | 138 | ok 2, ref $y eq 'OBJ_REAL'; |
7a6a85bf RG |
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; | |
dd19458b JH |
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 | ||
b12202d0 JH |
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 | ||
5e2505e0 RG |
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 ("", $obj, Foo2->new); | |
302 | } | |
303 | ||
304 | sub STORABLE_thaw { } # Not really used | |
305 | ||
b12202d0 | 306 | package main; |
5e2505e0 | 307 | use vars qw($refcount_ok); |
b12202d0 JH |
308 | |
309 | my $o = CLASS_OTHER->make(); | |
310 | my $c2 = CLASS_2->make($o); | |
311 | my $so = thaw freeze $o; | |
312 | ||
5e2505e0 RG |
313 | $refcount_ok = 0; |
314 | thaw freeze(Foo3->new); | |
315 | ok 33, $refcount_ok == 1; |