BEGIN {
    $ENV{PERL_DATETIME_PP} = 1;
}
use strict;
use warnings;
use Test::More;
use DateTime;
undef $ENV{PERL_DATETIME_DEFAULT_TZ};
## no critic (Subroutines::ProtectPrivateSubs)
for my $y ( 0, 400, 2000, 2004 ) {
    ok( DateTime->_is_leap_year($y), "$y is a leap year" );
}
for my $y ( 1, 100, 1900, 2133 ) {
    ok( !DateTime->_is_leap_year($y), "$y is not a leap year" );
}
done_testing();