File: 900_reentrancy.t

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libsereal-encoder-perl 4.018%2Bds-1
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#!perl
use strict;
use warnings;
use Test::More;
use File::Spec;
use lib File::Spec->catdir(qw(t lib));

BEGIN {
    lib->import('lib')
        if !-d 't';
}
use Sereal::TestSet qw(:all);
use Sereal::Encoder;

if ( not have_encoder_and_decoder() ) {
    plan skip_all => 'Did not find right version of decoder';
    exit 0;
}

# Encoder reentrancy test courtesy of Zefram

my $enc= Sereal::Encoder->new( { freeze_callbacks => 1 } );

package Foo;
sub FREEZE { $enc->encode( $_[0]->{a} ) }

sub THAW {
    my $class= shift;
    return bless( { a => Sereal::Decoder->new->decode( $_[1] ) } => $class );
}

package main;

my $data= bless( { a => 42 }, "Foo" );
my $a= $enc->encode($data);
my $output;
my $err;
eval {
    $output= Sereal::Decoder->new->decode($a);
    1;
} or do {
    $err= $@ || "Zombie Error";
};

ok( !$err, "Decoding did not barf" )
    or diag("Decoding barfed with '$err'");

is_deeply(
    $output,
    $data,
    "Decoded result is correct"
);

done_testing();