2 # https://rt.cpan.org/Public/Bug/Display.html?id=61708
7 BEGIN { plan tests => 1 };
8 BEGIN { $ENV{PERL_JSON_BACKEND} = 1; }
10 use JSON; # currently it can't pass with -support_by_pp;
14 skip "can't use JSON::XS.", 1, unless( JSON->backend->is_xs );
18 eval q{ $json->encode( undef ) };
19 like( $@, qr/line 1\./ );