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