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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 {
unshift @INC, 't';
unshift @INC, 't/compat' if $] < 5.006002;
require Config; import Config;
if ($ENV{PERL_CORE} and $Config{'extensions'} !~ /\bStorable\b/) {
print "1..0 # Skip: Storable was not built\n";
exit 0;
}
}
use Storable qw(freeze thaw);
$Storable::flags = Storable::FLAGS_COMPAT;
use Test::More tests => 19;
package OVERLOADED;
use overload
'""' => sub { $_[0][0] };
package main;
$a = bless [77], OVERLOADED;
$b = thaw freeze $a;
is(ref $b, 'OVERLOADED');
is("$b", "77");
$c = thaw freeze \$a;
is(ref $c, 'REF');
is(ref $$c, 'OVERLOADED');
is("$$c", "77");
$d = thaw freeze [$a, $a];
is("$d->[0]", "77");
$d->[0][0]++;
is("$d->[1]", "78");
package REF_TO_OVER;
sub make {
my $self = bless {}, shift;
my ($over) = @_;
$self->{over} = $over;
return $self;
}
package OVER;
use overload
'+' => \&plus,
'""' => sub { ref $_[0] };
sub plus {
return 314;
}
sub make {
my $self = bless {}, shift;
my $ref = REF_TO_OVER->make($self);
$self->{ref} = $ref;
return $self;
}
package main;
$a = OVER->make();
$b = thaw freeze $a;
is(ref $b, 'OVER');
is($a + $a, 314);
is(ref $b->{ref}, 'REF_TO_OVER');
is("$b->{ref}->{over}", "$b");
is($b + $b, 314);
# nfreeze data generated by make_overload.pl
my $f = '';
if (ord ('A') == 193) { # EBCDIC.
$f = unpack 'u', q{7!084$0S(P>)MUN7%V=/6P<0*!**5EJ8`};
}else {
$f = unpack 'u', q{7!084$0Q(05-?3U9%4DQ/040*!'-N;W<`};
}
# see note at the end of do_retrieve in Storable.xs about why this test has to
# use a reference to an overloaded reference, rather than just a reference.
my $t = eval {thaw $f};
print "# $@" if $@;
is($@, "");
is(ref ($t), 'REF');
is(ref ($$t), 'HAS_OVERLOAD');
is($$$t, 'snow');
#---
# blessed reference to overloaded object.
{
my $a = bless [88], 'OVERLOADED';
my $c = thaw freeze bless \$a, 'main';
is(ref $c, 'main');
is(ref $$c, 'OVERLOADED');
is("$$c", "88");
}
1;
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