bigMostNegative = big.NewInt(mostNegative)
)

func dec(i int64, exponent int) infDecAmount {
	// See the below test-- scale is the negative of an exponent.
	return infDecAmount{inf.NewDec(i, inf.Scale(-exponent))}
}

func bigDec(i *big.Int, exponent int) infDecAmount {
	// See the below test-- scale is the negative of an exponent.
	return infDecAmount{inf.NewDecBig(i, inf.Scale(-exponent))}
}

	for i := int64(0); i < 100; i++ {
		sec := notMonoTime.Unix()
		notMonoTime = notMonoTime.Add(Duration(i * 1e9))
		if newSec := notMonoTime.Unix(); newSec != sec+i && newSec+UnixToInternal != maxInt64 {
			t.Fatalf("time ext: %d overflows with positive delta, overflow threshold: %d", newSec, maxInt64)
		}
	}

	// Test it with negative delta.
	maxInt64 = -maxInt64
	notMonoTime = NotMonoNegativeTime