Function TestDecimal_DivRound2

decimal_test.go:2103–2123

(t *testing.T)

}

func TestDecimal_DivRound2(t *testing.T) {
	for _, tc := range createDivTestCases() {
		d := tc.d
		if sign(tc.d2) == 0 {
			continue
		}
		d2 := tc.d2
		prec := tc.prec
		q := d.DivRound(d2, prec)
		if sign(q)*sign(d)*sign(d2) < 0 {
			t.Errorf("sign of quotient wrong, got: %v/%v is about %v", d, d2, q)
		}
		x := q.Mul(d2).Abs().Sub(d.Abs()).Mul(New(2, 0))
		if x.Cmp(d2.Abs().Mul(New(1, -prec))) > 0 {
			t.Errorf("wrong rounding, got: %v/%v prec=%d is about %v", d, d2, prec, q)
		}
		if x.Cmp(d2.Abs().Mul(New(-1, -prec))) <= 0 {
			t.Errorf("wrong rounding, got: %v/%v prec=%d is about %v", d, d2, prec, q)
		}
	}
}

func TestDecimal_RoundCash(t *testing.T) {
	tests := []struct {