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#!./perl -w
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#
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# Copyright 2005, Adam Kennedy.
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#
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# You may redistribute only under the same terms as Perl 5, as specified
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# in the README file that comes with the distribution.
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#
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# Man, blessed.t scared the hell out of me. For a second there I thought
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# I'd lose Test::More...
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# This file tests several known-error cases relating to STORABLE_attach, in
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# which Storable should (correctly) throw errors.
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sub BEGIN {
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unshift @INC, 't';
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unshift @INC, 't/compat' if $] < 5.006002;
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require Config; import Config;
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if ($ENV{PERL_CORE} and $Config{'extensions'} !~ /\bStorable\b/) {
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print "1..0 # Skip: Storable was not built\n";
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exit 0;
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}
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}
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use Storable ();
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use Test::More tests => 9;
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my $ddd = bless { }, 'Foo';
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my $eee = bless { Bar => $ddd }, 'Bar';
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$ddd->{Foo} = $eee;
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my $array = [ $ddd ];
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my $string = Storable::freeze( $array );
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my $thawed = Storable::thaw( $string );
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# is_deeply infinite loops in circulars, so do it manually
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# is_deeply( $array, $thawed, 'Circular hooked objects work' );
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is( ref($thawed), 'ARRAY', 'Top level ARRAY' );
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is( scalar(@$thawed), 1, 'ARRAY contains one element' );
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isa_ok( $thawed->[0], 'Foo' );
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is( scalar(keys %{$thawed->[0]}), 1, 'Foo contains one element' );
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isa_ok( $thawed->[0]->{Foo}, 'Bar' );
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is( scalar(keys %{$thawed->[0]->{Foo}}), 1, 'Bar contains one element' );
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isa_ok( $thawed->[0]->{Foo}->{Bar}, 'Foo' );
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is( $thawed->[0], $thawed->[0]->{Foo}->{Bar}, 'Circular is... well... circular' );
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# Make sure the thawing went the way we expected
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is_deeply( \@Foo::order, [ 'Bar', 'Foo' ], 'thaw order is correct (depth first)' );
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package Foo;
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@order = ();
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sub STORABLE_freeze {
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my ($self, $clone) = @_;
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my $class = ref $self;
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# print "# Freezing $class\n";
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return ($class, $self->{$class});
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}
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sub STORABLE_thaw {
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my ($self, $clone, $string, @refs) = @_;
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my $class = ref $self;
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# print "# Thawing $class\n";
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$self->{$class} = shift @refs;
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push @order, $class;
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return;
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}
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package Bar;
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BEGIN {
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@ISA = 'Foo';
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}
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1;
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