package wrapper import ( "testing" "time" "github.com/benbjohnson/clock" ) func TestTimer(t *testing.T) { ct := NewChargeTimer() clck := clock.NewMock() ct.clck = clck ct.StartCharge() clck.Add(time.Hour) ct.StopCharge() clck.Add(time.Hour) d, err := ct.ChargingTime() if d != time.Hour || err != nil { t.Error(d, err) } }