-use Test::More tests => 50;
+use Test::More tests => 60;
use lib 't';
use DateTime;
use_ok 'SL::Helper::DateTime';
+my $local_tz = DateTime::TimeZone->new(name => 'local');
+my $mon_012345 = DateTime->new(year => 2014, month => 6, day => 23, hour => 1, minute => 23, second => 45, time_zone => $local_tz);
+
sub mon { DateTime->new(year => 2014, month => 6, day => 23) }
sub tue { DateTime->new(year => 2014, month => 6, day => 24) }
sub wed { DateTime->new(year => 2014, month => 6, day => 25) }
is tue->add_businessdays(businessweek => 6, days => 8), tue->add(days => 9), "tue + 8 => thu (date) (6dw)";
-# same with substract
+# same with subtract
is mon->subtract_businessdays(days => 5)->day_of_week, 1, "mon - 5 => mon";
is mon->subtract_businessdays(days => 12)->day_of_week, 4, "mon - 12 => thu";
is sat->add_businessdays(days => 1), sat->add(days => 2), "1 day after sut is mon";
is sun->add_businessdays(days => -1), sun->add(days => -2), "1 day before sun is fri";
is sat->add_businessdays(days => -1), sat->add(days => -1), "1 day before sut is fri";
+
+# parsing YYYY-MM-DD formatted strings
+is(DateTime->from_ymd(), undef, "no argument results in undef");
+is(DateTime->from_ymd(''), undef, "empty argument results in undef");
+is(DateTime->from_ymd('chunky bacon'), undef, "invalid argument results in undef");
+is(DateTime->from_ymd('2014-06-23'), $mon_012345->clone->truncate(to => 'day'), "2014-06-23 is parsed correctly");
+is(DateTime->from_ymd('2014-06-23')->strftime('%H%M%S'), '000000', "2014-06-23 is parsed correctly");
+
+# parsing YYYY-MM-DDTHH:MM:SS formatted strings
+is(DateTime->from_ymdhms(), undef, "no argument results in undef");
+is(DateTime->from_ymdhms(''), undef, "empty argument results in undef");
+is(DateTime->from_ymdhms('chunky bacon'), undef, "invalid argument results in undef");
+is(DateTime->from_ymdhms('2014-06-23T01:23:45'), $mon_012345, "2014-06-23T01:23:45 is parsed correctly");
+is(DateTime->from_ymdhms('2014-06-23 01:23:45'), $mon_012345, "2014-06-23 01:23:45 is parsed correctly");