#!perl
use strict;
use warnings;
use Sereal::Decoder;
use File::Spec;
use lib File::Spec->catdir(qw(t lib));
BEGIN {
lib->import('lib')
if !-d 't';
}
use Sereal::TestSet qw(:all);
use Test::More tests => 3;
# Regression test for issue 15 on github:
# https://github.com/Sereal/Sereal/issues/15
# Snappy compression was broken by assuming remaining document length
# is the same as compressed-data-length.
SKIP: {
my $have_enc = have_encoder_and_decoder();
if (not $have_enc) {
skip "Need encoder for Snappy regression tests", 3;
}
else {
require Sereal::Encoder;
my $encoder = Sereal::Encoder->new( { snappy_incr => 1, snappy_threshold => 1 } );
my $decoder = Sereal::Decoder->new();
# establish base behaviour
ok( $decoder->decode($encoder->encode("foo")), 'normal decode' );
# build test string with data after first document
my $str;
foreach my $i (0..1) {
$str .= $encoder->encode("foo");
}
ok( _decode_with_offset($str, $decoder), 'decode with offset' );
}
} # end SKIP block
sub _decode_with_offset {
my ($value, $decoder) = @_;
my @decoded_values;
my $pos = 0;
#my $first = index($value, "=srl", 1);
#$value = substr($value, 0, $first);
my $ok = eval {
while ($pos < length($value)) {
push @decoded_values, $decoder->decode_with_offset($value, $pos);
last if $decoder->bytes_consumed == 0;
$pos += $decoder->bytes_consumed;
}
1;
};
my $err = $@;
ok($ok, "decoding did not die")
or diag("Exception: $err"), return;
return \@decoded_values;
}