use strict;

use Test::More;
use strict;

BEGIN { plan tests => 8 };

BEGIN { $ENV{PERL_JSON_BACKEND} ||= "JSON::backportPP"; }

use JSON;

my $json = new JSON;

diag $json->backend->isa('JSON::PP');
my $not_not_a_number_is_a_number = (
  $json->backend->isa('Cpanel::JSON::XS') ||
  ($json->backend->isa('JSON::PP') && ($JSON::PP::Boolean::VERSION || $JSON::backportPP::Boolean::VERSION))
) ? 1 : 0;

my $core_bool_support = JSON->backend->can("CORE_BOOL") && JSON->backend->CORE_BOOL ? 1 : 0;
$core_bool_support = 1 if JSON->backend->isa('Cpanel::JSON::XS') && JSON->backend->VERSION >= 4.38;
$core_bool_support = 0 unless defined &builtin::is_bool;

is($json->encode([!1]), $core_bool_support ? '[false]' : '[""]');
if ($not_not_a_number_is_a_number) {
is($json->encode([!!2]), $core_bool_support ? '[true]' : '[1]');
} else {
is($json->encode([!!2]), '["1"]');
}

is($json->encode([ 'a' eq 'b'  ]), $core_bool_support ? '[false]' : '[""]');
if ($not_not_a_number_is_a_number) {
is($json->encode([ 'a' eq 'a'  ]), $core_bool_support ? '[true]' : '[1]');
} else {
is($json->encode([ 'a' eq 'a'  ]), '["1"]');
}

is($json->encode([ ('a' eq 'b') + 1  ]), '[1]');
is($json->encode([ ('a' eq 'a') + 1  ]), '[2]');

# discard overload hack for JSON::XS 3.0 boolean class
#ok(JSON::true eq 'true');
#ok(JSON::true eq  '1');
ok(JSON::true == 1);
isa_ok(JSON::true, 'JSON::PP::Boolean');
#isa_ok(JSON::true, 'JSON::Boolean');