# https://rt.cpan.org/Public/Bug/Display.html?id=61708

use strict;

use Test::More;

BEGIN { plan tests => 1 };

BEGIN { $ENV{PERL_JSON_BACKEND} ||= 1; }

use JSON -support_by_pp;

#use JSON; # currently it can't pass with -support_by_pp;

SKIP: {

    skip "can't use JSON::XS.", 1, unless( JSON->backend->is_xs );

    my $json = JSON->new;

    eval q{ $json->encode( undef ) };

    like( $@, qr/line 1\./ );

}