// Reset implements the protobuf marshalling interface.
func (q *Quantity) Unmarshal(data []byte) error {
p := QuantityProto{}
if err := p.Unmarshal(data); err != nil {
return err
}
q.Format = p.Format
b := big.NewInt(0)
b.SetBytes(p.Bigint)
q.Amount = inf.NewDecBig(b, inf.Scale(p.Scale))
return nil
}
// infScale adapts a Scale value to an inf.Scale value.
func (s Scale) infScale() inf.Scale {
return inf.Scale(-s) // inf.Scale is upside-down
}
// AsDec returns an inf.Dec representation of this value.
func (a int64Amount) AsDec() *inf.Dec {
var base inf.Dec
base.SetUnscaled(a.value)
base.SetScale(inf.Scale(-a.scale))
return &base
}
func dec(i int64, exponent int) *inf.Dec {
// See the below test-- scale is the negative of an exponent.
return inf.NewDec(i, inf.Scale(-exponent))
}
q.Amount.SetScale(0)
q.Amount.SetUnscaled(c.Int63())
return
}
// Be sure to test cases like 1Mi
q.Amount.SetScale(0)
q.Amount.SetUnscaled(c.Int63n(1024) << uint(10*c.Intn(5)))
return
}
if c.RandBool() {
q.Format = DecimalSI
} else {
q.Format = DecimalExponent
}
if c.RandBool() {
q.Amount.SetScale(inf.Scale(c.Intn(4)))
q.Amount.SetUnscaled(c.Int63())
return
}
// Be sure to test cases like 1M
q.Amount.SetScale(inf.Scale(3 - c.Intn(15)))
q.Amount.SetUnscaled(c.Int63n(1000))
},
)
func TestJSON(t *testing.T) {
for i := 0; i < 500; i++ {
q := &Quantity{}
fuzzer.Fuzz(q)
b, err := json.Marshal(q)
if err != nil {
func dec(i int64, exponent int) *inf.Dec {
return inf.NewDec(i, inf.Scale(-exponent))
}
func amount(i int64, exponent int) infDecAmount {
// See the below test-- scale is the negative of an exponent.
return infDecAmount{inf.NewDec(i, inf.Scale(-exponent))}
}
// Be sure to test cases like 1Mi
dec := &inf.Dec{}
q.d = infDecAmount{Dec: dec}
dec.SetScale(0)
dec.SetUnscaled(c.Int63n(1024) << uint(10*c.Intn(5)))
return
}
if c.RandBool() {
q.Format = DecimalSI
} else {
q.Format = DecimalExponent
}
if c.RandBool() {
dec := &inf.Dec{}
q.d = infDecAmount{Dec: dec}
dec.SetScale(inf.Scale(c.Intn(4)))
dec.SetUnscaled(c.Int63())
return
}
// Be sure to test cases like 1M
dec := &inf.Dec{}
q.d = infDecAmount{Dec: dec}
dec.SetScale(inf.Scale(3 - c.Intn(15)))
dec.SetUnscaled(c.Int63n(1000))
},
)
func TestJSON(t *testing.T) {
for i := 0; i < 500; i++ {
q := &Quantity{}
fuzzer.Fuzz(q)
// CmpInt64 returns 0 if the quantity is equal to y, -1 if the quantity is less than y, or 1 if the
// quantity is greater than y.
func (q *Quantity) CmpInt64(y int64) int {
if q.d.Dec != nil {
return q.d.Dec.Cmp(inf.NewDec(y, inf.Scale(0)))
}
return q.i.Cmp(int64Amount{value: y})
}