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#!./perl
#
# Copyright (c) 1995-2000, Raphael Manfredi
#
# You may redistribute only under the same terms as Perl 5, as specified
# in the README file that comes with the distribution.
#
sub BEGIN {
if ($ENV{PERL_CORE}){
chdir('t') if -d 't';
@INC = ('.', '../lib', '../ext/Storable/t');
} else {
unshift @INC, 't';
}
require Config; import Config;
if ($ENV{PERL_CORE} and $Config{'extensions'} !~ /\bStorable\b/) {
print "1..0 # Skip: Storable was not built\n";
exit 0;
}
require 'st-dump.pl';
}
sub ok;
use Storable qw(freeze thaw);
%::immortals
= (u => \undef,
'y' => \(1 == 1),
n => \(1 == 0)
);
my $test = 12;
my $tests = $test + 6 + 2 * 6 * keys %::immortals;
print "1..$tests\n";
package SHORT_NAME;
sub make { bless [], shift }
package SHORT_NAME_WITH_HOOK;
sub make { bless [], shift }
sub STORABLE_freeze {
my $self = shift;
return ("", $self);
}
sub STORABLE_thaw {
my $self = shift;
my $cloning = shift;
my ($x, $obj) = @_;
die "STORABLE_thaw" unless $obj eq $self;
}
package main;
# Still less than 256 bytes, so long classname logic not fully exercised
# Wait until Perl removes the restriction on identifier lengths.
my $name = "LONG_NAME_" . 'xxxxxxxxxxxxx::' x 14 . "final";
eval <<EOC;
package $name;
\@ISA = ("SHORT_NAME");
EOC
die $@ if $@;
ok 1, $@ eq '';
eval <<EOC;
package ${name}_WITH_HOOK;
\@ISA = ("SHORT_NAME_WITH_HOOK");
EOC
ok 2, $@ eq '';
# Construct a pool of objects
my @pool;
for (my $i = 0; $i < 10; $i++) {
push(@pool, SHORT_NAME->make);
push(@pool, SHORT_NAME_WITH_HOOK->make);
push(@pool, $name->make);
push(@pool, "${name}_WITH_HOOK"->make);
}
my $x = freeze \@pool;
ok 3, 1;
my $y = thaw $x;
ok 4, ref $y eq 'ARRAY';
ok 5, @{$y} == @pool;
ok 6, ref $y->[0] eq 'SHORT_NAME';
ok 7, ref $y->[1] eq 'SHORT_NAME_WITH_HOOK';
ok 8, ref $y->[2] eq $name;
ok 9, ref $y->[3] eq "${name}_WITH_HOOK";
my $good = 1;
for (my $i = 0; $i < 10; $i++) {
do { $good = 0; last } unless ref $y->[4*$i] eq 'SHORT_NAME';
do { $good = 0; last } unless ref $y->[4*$i+1] eq 'SHORT_NAME_WITH_HOOK';
do { $good = 0; last } unless ref $y->[4*$i+2] eq $name;
do { $good = 0; last } unless ref $y->[4*$i+3] eq "${name}_WITH_HOOK";
}
ok 10, $good;
{
my $blessed_ref = bless \\[1,2,3], 'Foobar';
my $x = freeze $blessed_ref;
my $y = thaw $x;
ok 11, ref $y eq 'Foobar';
ok 12, $$$y->[0] == 1;
}
package RETURNS_IMMORTALS;
sub make { my $self = shift; bless [@_], $self }
sub STORABLE_freeze {
# Some reference some number of times.
my $self = shift;
my ($what, $times) = @$self;
return ("$what$times", ($::immortals{$what}) x $times);
}
sub STORABLE_thaw {
my $self = shift;
my $cloning = shift;
my ($x, @refs) = @_;
my ($what, $times) = $x =~ /(.)(\d+)/;
die "'$x' didn't match" unless defined $times;
main::ok ++$test, @refs == $times;
my $expect = $::immortals{$what};
die "'$x' did not give a reference" unless ref $expect;
my $fail;
foreach (@refs) {
$fail++ if $_ != $expect;
}
main::ok ++$test, !$fail;
}
package main;
# $Storable::DEBUGME = 1;
my $count;
foreach $count (1..3) {
my $immortal;
foreach $immortal (keys %::immortals) {
print "# $immortal x $count\n";
my $i = RETURNS_IMMORTALS->make ($immortal, $count);
my $f = freeze ($i);
ok ++$test, $f;
my $t = thaw $f;
ok ++$test, 1;
}
}
# Test automatic require of packages to find thaw hook.
package HAS_HOOK;
$loaded_count = 0;
$thawed_count = 0;
sub make {
bless [];
}
sub STORABLE_freeze {
my $self = shift;
return '';
}
package main;
my $f = freeze (HAS_HOOK->make);
ok ++$test, $HAS_HOOK::loaded_count == 0;
ok ++$test, $HAS_HOOK::thawed_count == 0;
my $t = thaw $f;
ok ++$test, $HAS_HOOK::loaded_count == 1;
ok ++$test, $HAS_HOOK::thawed_count == 1;
ok ++$test, $t;
ok ++$test, ref $t eq 'HAS_HOOK';
# Can't do this because the method is still cached by UNIVERSAL::can
# delete $INC{"HAS_HOOK.pm"};
# undef &HAS_HOOK::STORABLE_thaw;
#
# warn HAS_HOOK->can('STORABLE_thaw');
# $t = thaw $f;
# ok ++$test, $HAS_HOOK::loaded_count == 2;
# ok ++$test, $HAS_HOOK::thawed_count == 2;
# ok ++$test, $t;
# ok ++$test, ref $t eq 'HAS_HOOK';
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