1#!./perl 2# 3# Copyright (c) 1995-2000, Raphael Manfredi 4# 5# You may redistribute only under the same terms as Perl 5, as specified 6# in the README file that comes with the distribution. 7# 8 9sub BEGIN { 10 unshift @INC, 't'; 11 unshift @INC, 't/compat' if $] < 5.006002; 12 require Config; import Config; 13 if ($ENV{PERL_CORE} and $Config{'extensions'} !~ /\bStorable\b/) { 14 print "1..0 # Skip: Storable was not built\n"; 15 exit 0; 16 } 17 require 'st-dump.pl'; 18} 19 20use Storable qw(freeze thaw); 21 22$Storable::flags = Storable::FLAGS_COMPAT; 23 24use Test::More tests => 28; 25 26($scalar_fetch, $array_fetch, $hash_fetch) = (0, 0, 0); 27 28package TIED_HASH; 29 30sub TIEHASH { 31 my $self = bless {}, shift; 32 return $self; 33} 34 35sub FETCH { 36 my $self = shift; 37 my ($key) = @_; 38 $main::hash_fetch++; 39 return $self->{$key}; 40} 41 42sub STORE { 43 my $self = shift; 44 my ($key, $value) = @_; 45 $self->{$key} = $value; 46} 47 48sub FIRSTKEY { 49 my $self = shift; 50 scalar keys %{$self}; 51 return each %{$self}; 52} 53 54sub NEXTKEY { 55 my $self = shift; 56 return each %{$self}; 57} 58 59sub STORABLE_freeze { 60 my $self = shift; 61 $main::hash_hook1++; 62 return join(":", keys %$self) . ";" . join(":", values %$self); 63} 64 65sub STORABLE_thaw { 66 my ($self, $cloning, $frozen) = @_; 67 my ($keys, $values) = split(/;/, $frozen); 68 my @keys = split(/:/, $keys); 69 my @values = split(/:/, $values); 70 for (my $i = 0; $i < @keys; $i++) { 71 $self->{$keys[$i]} = $values[$i]; 72 } 73 $main::hash_hook2++; 74} 75 76package TIED_ARRAY; 77 78sub TIEARRAY { 79 my $self = bless [], shift; 80 return $self; 81} 82 83sub FETCH { 84 my $self = shift; 85 my ($idx) = @_; 86 $main::array_fetch++; 87 return $self->[$idx]; 88} 89 90sub STORE { 91 my $self = shift; 92 my ($idx, $value) = @_; 93 $self->[$idx] = $value; 94} 95 96sub FETCHSIZE { 97 my $self = shift; 98 return @{$self}; 99} 100 101sub STORABLE_freeze { 102 my $self = shift; 103 $main::array_hook1++; 104 return join(":", @$self); 105} 106 107sub STORABLE_thaw { 108 my ($self, $cloning, $frozen) = @_; 109 @$self = split(/:/, $frozen); 110 $main::array_hook2++; 111} 112 113package TIED_SCALAR; 114 115sub TIESCALAR { 116 my $scalar; 117 my $self = bless \$scalar, shift; 118 return $self; 119} 120 121sub FETCH { 122 my $self = shift; 123 $main::scalar_fetch++; 124 return $$self; 125} 126 127sub STORE { 128 my $self = shift; 129 my ($value) = @_; 130 $$self = $value; 131} 132 133sub STORABLE_freeze { 134 my $self = shift; 135 $main::scalar_hook1++; 136 return $$self; 137} 138 139sub STORABLE_thaw { 140 my ($self, $cloning, $frozen) = @_; 141 $$self = $frozen; 142 $main::scalar_hook2++; 143} 144 145package main; 146 147$a = 'toto'; 148$b = \$a; 149 150$c = tie %hash, TIED_HASH; 151$d = tie @array, TIED_ARRAY; 152tie $scalar, TIED_SCALAR; 153 154$scalar = 'foo'; 155$hash{'attribute'} = 'plain value'; 156$array[0] = \$scalar; 157$array[1] = $c; 158$array[2] = \@array; 159$array[3] = "plaine scalaire"; 160 161@tied = (\$scalar, \@array, \%hash); 162%a = ('key', 'value', 1, 0, $a, $b, 'cvar', \$a, 'scalarref', \$scalar); 163@a = ('first', 3, -4, -3.14159, 456, 4.5, $d, \$d, 164 $b, \$a, $a, $c, \$c, \%a, \@array, \%hash, \@tied); 165 166my $f = freeze(\@a); 167isnt($f, undef); 168$dumped = &dump(\@a); 169isnt($dumped, undef); 170 171$root = thaw($f); 172isnt($root, undef); 173 174$got = &dump($root); 175isnt($got, undef); 176 177isnt($got, $dumped); # our hooks did not handle refs in array 178 179$g = freeze($root); 180is(length $f, length $g); 181 182# Ensure the tied items in the retrieved image work 183@old = ($scalar_fetch, $array_fetch, $hash_fetch); 184@tied = ($tscalar, $tarray, $thash) = @{$root->[$#{$root}]}; 185@type = qw(SCALAR ARRAY HASH); 186 187is(ref tied $$tscalar, 'TIED_SCALAR'); 188is(ref tied @$tarray, 'TIED_ARRAY'); 189is(ref tied %$thash, 'TIED_HASH'); 190 191@new = ($$tscalar, $tarray->[0], $thash->{'attribute'}); 192@new = ($scalar_fetch, $array_fetch, $hash_fetch); 193 194# Tests 10..15 195for ($i = 0; $i < @new; $i++) { 196 is($new[$i], $old[$i] + 1); # Tests 10,12,14 197 is(ref $tied[$i], $type[$i]); # Tests 11,13,15 198} 199 200is($$tscalar, 'foo'); 201is($tarray->[3], 'plaine scalaire'); 202is($thash->{'attribute'}, 'plain value'); 203 204# Ensure hooks were called 205is($scalar_hook1, 2); 206is($scalar_hook2, 1); 207is($array_hook1, 2); 208is($array_hook2, 1); 209is($hash_hook1, 2); 210is($hash_hook2, 1); 211 212# 213# And now for the "blessed ref to tied hash" with "store hook" test... 214# 215 216my $bc = bless \%hash, 'FOO'; # FOO does not exist -> no hook 217my $bx = thaw freeze $bc; 218 219is(ref $bx, 'FOO'); 220my $old_hash_fetch = $hash_fetch; 221my $v = $bx->{attribute}; 222is($hash_fetch, $old_hash_fetch + 1, 'Still tied'); 223 224package TIED_HASH_REF; 225 226 227sub STORABLE_freeze { 228 my ($self, $cloning) = @_; 229 return if $cloning; 230 return('ref lost'); 231} 232 233sub STORABLE_thaw { 234 my ($self, $cloning, $data) = @_; 235 return if $cloning; 236} 237 238package main; 239 240$bc = bless \%hash, 'TIED_HASH_REF'; 241$bx = thaw freeze $bc; 242 243is(ref $bx, 'TIED_HASH_REF'); 244$old_hash_fetch = $hash_fetch; 245$v = $bx->{attribute}; 246is($hash_fetch, $old_hash_fetch + 1, 'Still tied'); 247