#!/usr/bin/perl -w use strict; use Test::More tests => 8; use DateTime; 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" ); }