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} 18 19use Storable qw(freeze thaw); 20 21use Test::More tests => 19; 22 23package OVERLOADED; 24 25use overload 26 '""' => sub { $_[0][0] }; 27 28package main; 29 30$a = bless [77], OVERLOADED; 31 32$b = thaw freeze $a; 33is(ref $b, 'OVERLOADED'); 34is("$b", "77"); 35 36$c = thaw freeze \$a; 37is(ref $c, 'REF'); 38is(ref $$c, 'OVERLOADED'); 39is("$$c", "77"); 40 41$d = thaw freeze [$a, $a]; 42is("$d->[0]", "77"); 43$d->[0][0]++; 44is("$d->[1]", "78"); 45 46package REF_TO_OVER; 47 48sub make { 49 my $self = bless {}, shift; 50 my ($over) = @_; 51 $self->{over} = $over; 52 return $self; 53} 54 55package OVER; 56 57use overload 58 '+' => \&plus, 59 '""' => sub { ref $_[0] }; 60 61sub plus { 62 return 314; 63} 64 65sub make { 66 my $self = bless {}, shift; 67 my $ref = REF_TO_OVER->make($self); 68 $self->{ref} = $ref; 69 return $self; 70} 71 72package main; 73 74$a = OVER->make(); 75$b = thaw freeze $a; 76 77is(ref $b, 'OVER'); 78is($a + $a, 314); 79is(ref $b->{ref}, 'REF_TO_OVER'); 80is("$b->{ref}->{over}", "$b"); 81is($b + $b, 314); 82 83# nfreeze data generated by make_overload.pl 84my $f = ''; 85if (ord ('A') == 193) { # EBCDIC. 86 $f = unpack 'u', q{7!084$0S(P>)MUN7%V=/6P<0*!**5EJ8`}; 87}else { 88 $f = unpack 'u', q{7!084$0Q(05-?3U9%4DQ/040*!'-N;W<`}; 89} 90 91# see note at the end of do_retrieve in Storable.xs about why this test has to 92# use a reference to an overloaded reference, rather than just a reference. 93my $t = eval {thaw $f}; 94print "# $@" if $@; 95is($@, ""); 96is(ref ($t), 'REF'); 97is(ref ($$t), 'HAS_OVERLOAD'); 98is($$$t, 'snow'); 99 100 101#--- 102# blessed reference to overloaded object. 103{ 104 my $a = bless [88], 'OVERLOADED'; 105 my $c = thaw freeze bless \$a, 'main'; 106 is(ref $c, 'main'); 107 is(ref $$c, 'OVERLOADED'); 108 is("$$c", "88"); 109 110} 111 1121; 113