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1 | #!./perl |
2 | |
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3 | # $Id: recurse.t,v 1.0.1.1 2000/09/17 16:48:05 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 | # |
10 | # $Log: recurse.t,v $ |
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11 | # Revision 1.0.1.1 2000/09/17 16:48:05 ram |
12 | # patch1: added test case for store hook bug |
13 | # |
14 | # $Log: recurse.t,v $ |
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15 | # Revision 1.0 2000/09/01 19:40:42 ram |
16 | # Baseline for first official release. |
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17 | # |
18 | |
19 | sub BEGIN { |
20 | chdir('t') if -d 't'; |
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21 | @INC = '.'; |
22 | push @INC, '../lib'; |
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23 | require Config; import Config; |
24 | if ($Config{'extensions'} !~ /\bStorable\b/) { |
25 | print "1..0 # Skip: Storable was not built\n"; |
26 | exit 0; |
27 | } |
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28 | require 'lib/st-dump.pl'; |
29 | } |
30 | |
31 | sub ok; |
32 | |
33 | use Storable qw(freeze thaw dclone); |
34 | |
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35 | print "1..28\n"; |
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36 | |
37 | package OBJ_REAL; |
38 | |
39 | use Storable qw(freeze thaw); |
40 | |
41 | @x = ('a', 1); |
42 | |
43 | sub make { bless [], shift } |
44 | |
45 | sub STORABLE_freeze { |
46 | my $self = shift; |
47 | my $cloning = shift; |
48 | die "STORABLE_freeze" unless Storable::is_storing; |
49 | return (freeze(\@x), $self); |
50 | } |
51 | |
52 | sub STORABLE_thaw { |
53 | my $self = shift; |
54 | my $cloning = shift; |
55 | my ($x, $obj) = @_; |
56 | die "STORABLE_thaw #1" unless $obj eq $self; |
57 | my $len = length $x; |
58 | my $a = thaw $x; |
59 | die "STORABLE_thaw #2" unless ref $a eq 'ARRAY'; |
60 | die "STORABLE_thaw #3" unless @$a == 2 && $a->[0] eq 'a' && $a->[1] == 1; |
61 | @$self = @$a; |
62 | die "STORABLE_thaw #4" unless Storable::is_retrieving; |
63 | } |
64 | |
65 | package OBJ_SYNC; |
66 | |
67 | @x = ('a', 1); |
68 | |
69 | sub make { bless {}, shift } |
70 | |
71 | sub STORABLE_freeze { |
72 | my $self = shift; |
73 | my ($cloning) = @_; |
74 | return if $cloning; |
75 | return ("", \@x, $self); |
76 | } |
77 | |
78 | sub STORABLE_thaw { |
79 | my $self = shift; |
80 | my ($cloning, $undef, $a, $obj) = @_; |
81 | die "STORABLE_thaw #1" unless $obj eq $self; |
82 | die "STORABLE_thaw #2" unless ref $a eq 'ARRAY' || @$a != 2; |
83 | $self->{ok} = $self; |
84 | } |
85 | |
86 | package OBJ_SYNC2; |
87 | |
88 | use Storable qw(dclone); |
89 | |
90 | sub make { |
91 | my $self = bless {}, shift; |
92 | my ($ext) = @_; |
93 | $self->{sync} = OBJ_SYNC->make; |
94 | $self->{ext} = $ext; |
95 | return $self; |
96 | } |
97 | |
98 | sub STORABLE_freeze { |
99 | my $self = shift; |
100 | my $t = dclone($self->{sync}); |
101 | return ("", [$t, $self->{ext}], $self, $self->{ext}); |
102 | } |
103 | |
104 | sub STORABLE_thaw { |
105 | my $self = shift; |
106 | my ($cloning, $undef, $a, $obj, $ext) = @_; |
107 | die "STORABLE_thaw #1" unless $obj eq $self; |
108 | die "STORABLE_thaw #2" unless ref $a eq 'ARRAY'; |
109 | $self->{ok} = $self; |
110 | ($self->{sync}, $self->{ext}) = @$a; |
111 | } |
112 | |
113 | package OBJ_REAL2; |
114 | |
115 | use Storable qw(freeze thaw); |
116 | |
117 | $MAX = 20; |
118 | $recursed = 0; |
119 | $hook_called = 0; |
120 | |
121 | sub make { bless [], shift } |
122 | |
123 | sub STORABLE_freeze { |
124 | my $self = shift; |
125 | $hook_called++; |
126 | return (freeze($self), $self) if ++$recursed < $MAX; |
127 | return ("no", $self); |
128 | } |
129 | |
130 | sub STORABLE_thaw { |
131 | my $self = shift; |
132 | my $cloning = shift; |
133 | my ($x, $obj) = @_; |
134 | die "STORABLE_thaw #1" unless $obj eq $self; |
135 | $self->[0] = thaw($x) if $x ne "no"; |
136 | $recursed--; |
137 | } |
138 | |
139 | package main; |
140 | |
141 | my $real = OBJ_REAL->make; |
142 | my $x = freeze $real; |
143 | ok 1, 1; |
144 | |
145 | my $y = thaw $x; |
146 | ok 2, 1; |
147 | ok 3, $y->[0] eq 'a'; |
148 | ok 4, $y->[1] == 1; |
149 | |
150 | my $sync = OBJ_SYNC->make; |
151 | $x = freeze $sync; |
152 | ok 5, 1; |
153 | |
154 | $y = thaw $x; |
155 | ok 6, 1; |
156 | ok 7, $y->{ok} == $y; |
157 | |
158 | my $ext = [1, 2]; |
159 | $sync = OBJ_SYNC2->make($ext); |
160 | $x = freeze [$sync, $ext]; |
161 | ok 8, 1; |
162 | |
163 | my $z = thaw $x; |
164 | $y = $z->[0]; |
165 | ok 9, 1; |
166 | ok 10, $y->{ok} == $y; |
167 | ok 11, ref $y->{sync} eq 'OBJ_SYNC'; |
168 | ok 12, $y->{ext} == $z->[1]; |
169 | |
170 | $real = OBJ_REAL2->make; |
171 | $x = freeze $real; |
172 | ok 13, 1; |
173 | ok 14, $OBJ_REAL2::recursed == $OBJ_REAL2::MAX; |
174 | ok 15, $OBJ_REAL2::hook_called == $OBJ_REAL2::MAX; |
175 | |
176 | $y = thaw $x; |
177 | ok 16, 1; |
178 | ok 17, $OBJ_REAL2::recursed == 0; |
179 | |
180 | $x = dclone $real; |
181 | ok 18, 1; |
182 | ok 19, ref $x eq 'OBJ_REAL2'; |
183 | ok 20, $OBJ_REAL2::recursed == 0; |
184 | ok 21, $OBJ_REAL2::hook_called == 2 * $OBJ_REAL2::MAX; |
185 | |
186 | ok 22, !Storable::is_storing; |
187 | ok 23, !Storable::is_retrieving; |
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188 | |
189 | # |
190 | # The following was a test-case that Salvador Ortiz Garcia <sog@msg.com.mx> |
191 | # sent me, along with a proposed fix. |
192 | # |
193 | |
194 | package Foo; |
195 | |
196 | sub new { |
197 | my $class = shift; |
198 | my $dat = shift; |
199 | return bless {dat => $dat}, $class; |
200 | } |
201 | |
202 | package Bar; |
203 | sub new { |
204 | my $class = shift; |
205 | return bless { |
206 | a => 'dummy', |
207 | b => [ |
208 | Foo->new(1), |
209 | Foo->new(2), # Second instance of a Foo |
210 | ] |
211 | }, $class; |
212 | } |
213 | |
214 | sub STORABLE_freeze { |
215 | my($self,$clonning) = @_; |
216 | return "$self->{a}", $self->{b}; |
217 | } |
218 | |
219 | sub STORABLE_thaw { |
220 | my($self,$clonning,$dummy,$o) = @_; |
221 | $self->{a} = $dummy; |
222 | $self->{b} = $o; |
223 | } |
224 | |
225 | package main; |
226 | |
227 | my $bar = new Bar; |
228 | my $bar2 = thaw freeze $bar; |
229 | |
230 | ok 24, ref($bar2) eq 'Bar'; |
231 | ok 25, ref($bar->{b}[0]) eq 'Foo'; |
232 | ok 26, ref($bar->{b}[1]) eq 'Foo'; |
233 | ok 27, ref($bar2->{b}[0]) eq 'Foo'; |
234 | ok 28, ref($bar2->{b}[1]) eq 'Foo'; |
235 | |