Re: [PATCH] Enhanced Storable::read_magic()
[p5sagit/p5-mst-13.2.git] / ext / Storable / t / blessed.t
CommitLineData
7a6a85bf 1#!./perl
7a6a85bf 2#
3# Copyright (c) 1995-2000, Raphael Manfredi
4#
9e21b3d0 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 8
9sub BEGIN {
0c384302 10 if ($ENV{PERL_CORE}){
11 chdir('t') if -d 't';
7dadce44 12 @INC = ('.', '../lib', '../ext/Storable/t');
372cb964 13 } else {
14 unshift @INC, 't';
0c384302 15 }
9f233367 16 require Config; import Config;
0c384302 17 if ($ENV{PERL_CORE} and $Config{'extensions'} !~ /\bStorable\b/) {
9f233367 18 print "1..0 # Skip: Storable was not built\n";
19 exit 0;
20 }
372cb964 21 require 'st-dump.pl';
7a6a85bf 22}
23
24sub ok;
25
26use Storable qw(freeze thaw);
27
dfd91409 28%::immortals
29 = (u => \undef,
30 'y' => \(1 == 1),
31 n => \(1 == 0)
32);
33
34my $test = 12;
754c00ca 35my $tests = $test + 6 + 2 * 6 * keys %::immortals;
dfd91409 36print "1..$tests\n";
7a6a85bf 37
38package SHORT_NAME;
39
40sub make { bless [], shift }
41
42package SHORT_NAME_WITH_HOOK;
43
44sub make { bless [], shift }
45
46sub STORABLE_freeze {
47 my $self = shift;
48 return ("", $self);
49}
50
51sub STORABLE_thaw {
52 my $self = shift;
53 my $cloning = shift;
54 my ($x, $obj) = @_;
55 die "STORABLE_thaw" unless $obj eq $self;
56}
57
58package main;
59
60# Still less than 256 bytes, so long classname logic not fully exercised
61# Wait until Perl removes the restriction on identifier lengths.
62my $name = "LONG_NAME_" . 'xxxxxxxxxxxxx::' x 14 . "final";
63
64eval <<EOC;
65package $name;
66
67\@ISA = ("SHORT_NAME");
68EOC
69die $@ if $@;
70ok 1, $@ eq '';
71
72eval <<EOC;
73package ${name}_WITH_HOOK;
74
75\@ISA = ("SHORT_NAME_WITH_HOOK");
76EOC
77ok 2, $@ eq '';
78
79# Construct a pool of objects
80my @pool;
81
82for (my $i = 0; $i < 10; $i++) {
83 push(@pool, SHORT_NAME->make);
84 push(@pool, SHORT_NAME_WITH_HOOK->make);
85 push(@pool, $name->make);
86 push(@pool, "${name}_WITH_HOOK"->make);
87}
88
89my $x = freeze \@pool;
90ok 3, 1;
91
92my $y = thaw $x;
93ok 4, ref $y eq 'ARRAY';
94ok 5, @{$y} == @pool;
95
96ok 6, ref $y->[0] eq 'SHORT_NAME';
97ok 7, ref $y->[1] eq 'SHORT_NAME_WITH_HOOK';
98ok 8, ref $y->[2] eq $name;
99ok 9, ref $y->[3] eq "${name}_WITH_HOOK";
100
101my $good = 1;
102for (my $i = 0; $i < 10; $i++) {
103 do { $good = 0; last } unless ref $y->[4*$i] eq 'SHORT_NAME';
104 do { $good = 0; last } unless ref $y->[4*$i+1] eq 'SHORT_NAME_WITH_HOOK';
105 do { $good = 0; last } unless ref $y->[4*$i+2] eq $name;
106 do { $good = 0; last } unless ref $y->[4*$i+3] eq "${name}_WITH_HOOK";
107}
108ok 10, $good;
87baa35a 109
110{
111 my $blessed_ref = bless \\[1,2,3], 'Foobar';
112 my $x = freeze $blessed_ref;
113 my $y = thaw $x;
114 ok 11, ref $y eq 'Foobar';
115 ok 12, $$$y->[0] == 1;
116}
dfd91409 117
118package RETURNS_IMMORTALS;
119
120sub make { my $self = shift; bless [@_], $self }
121
122sub STORABLE_freeze {
123 # Some reference some number of times.
124 my $self = shift;
125 my ($what, $times) = @$self;
126 return ("$what$times", ($::immortals{$what}) x $times);
127}
128
129sub STORABLE_thaw {
130 my $self = shift;
131 my $cloning = shift;
132 my ($x, @refs) = @_;
133 my ($what, $times) = $x =~ /(.)(\d+)/;
134 die "'$x' didn't match" unless defined $times;
135 main::ok ++$test, @refs == $times;
136 my $expect = $::immortals{$what};
137 die "'$x' did not give a reference" unless ref $expect;
138 my $fail;
139 foreach (@refs) {
140 $fail++ if $_ != $expect;
141 }
142 main::ok ++$test, !$fail;
143}
144
145package main;
146
147# $Storable::DEBUGME = 1;
148my $count;
149foreach $count (1..3) {
150 my $immortal;
151 foreach $immortal (keys %::immortals) {
152 print "# $immortal x $count\n";
153 my $i = RETURNS_IMMORTALS->make ($immortal, $count);
154
155 my $f = freeze ($i);
156 ok ++$test, $f;
157 my $t = thaw $f;
158 ok ++$test, 1;
159 }
160}
754c00ca 161
162# Test automatic require of packages to find thaw hook.
163
164package HAS_HOOK;
165
166$loaded_count = 0;
167$thawed_count = 0;
168
169sub make {
170 bless [];
171}
172
173sub STORABLE_freeze {
174 my $self = shift;
175 return '';
176}
177
178package main;
179
180my $f = freeze (HAS_HOOK->make);
181
182ok ++$test, $HAS_HOOK::loaded_count == 0;
183ok ++$test, $HAS_HOOK::thawed_count == 0;
184
185my $t = thaw $f;
186ok ++$test, $HAS_HOOK::loaded_count == 1;
187ok ++$test, $HAS_HOOK::thawed_count == 1;
188ok ++$test, $t;
189ok ++$test, ref $t eq 'HAS_HOOK';
190
191# Can't do this because the method is still cached by UNIVERSAL::can
192# delete $INC{"HAS_HOOK.pm"};
193# undef &HAS_HOOK::STORABLE_thaw;
194#
195# warn HAS_HOOK->can('STORABLE_thaw');
196# $t = thaw $f;
197# ok ++$test, $HAS_HOOK::loaded_count == 2;
198# ok ++$test, $HAS_HOOK::thawed_count == 2;
199# ok ++$test, $t;
200# ok ++$test, ref $t eq 'HAS_HOOK';