package cronlib import ( "testing" "time" ) func TestParse(t *testing.T) { cron, err := Parse("1 0 0 */1 * *") if err != nil { t.Error(err) } now1 := time.Date(2018, 12, 11, 05, 22, 33, 0, time.UTC) nowAt := cron.Next(now1) if nowAt != time.Date(2018, 12, 12, 0, 0, 1, 0, time.UTC) { t.Error("err") } }