use strict;
use FindBin;
BEGIN { push @INC, $FindBin::Bin }

use TestYAML ();
use Test::More tests => 2;

use JSON::Syck;

my $dat = JSON::Syck::Dump( { foo => undef } );
like $dat, qr/null/;

$dat = JSON::Syck::Dump( { foo => !1 } );
unlike $dat, qr/"foo":}/;