1use Test::More tests => 13; 2 3BEGIN { use_ok('Time::Piece'); } 4 5ok(1); 6 7my $t = gmtime(951827696); # 2000-02-29T12:34:56 8 9is($t->mon, 2); 10is($t->mday, 29); 11 12my $t2 = $t->add_months(1); 13is($t2->year, 2000); 14is($t2->mon, 3); 15is($t2->mday, 29); 16 17my $t3 = $t->add_months(-1); 18is($t3->year, 2000); 19is($t3->mon, 1); 20is($t3->mday, 29); 21 22# this one wraps around to March because of the leap year 23my $t4 = $t->add_years(1); 24is($t4->year, 2001); 25is($t4->mon, 3); 26is($t4->mday, 1); 27