func TestBigIntAnd(t *testing.T) {
found := bigIntAnd([][]byte{common.EncodeBigInt(big.NewInt(1))}, [][]byte{common.EncodeBigInt(big.NewInt(2)), common.EncodeBigInt(big.NewInt(3)), common.EncodeBigInt(big.NewInt(4))}, 1)
expected := [][]byte{common.EncodeBigInt(big.NewInt(0))}
if !reflect.DeepEqual(found, expected) {
t.Errorf("%v should be %v", fmt.Sprint(common.DecodeBigInt(found[0])), fmt.Sprint(common.DecodeBigInt(expected[0])))
}
found = bigIntAnd([][]byte{common.EncodeBigInt(big.NewInt(1)), common.EncodeBigInt(big.NewInt(3))}, [][]byte{common.EncodeBigInt(big.NewInt(3)), common.EncodeBigInt(big.NewInt(5))}, 1)
expected = [][]byte{common.EncodeBigInt(big.NewInt(1))}
if !reflect.DeepEqual(found, expected) {
t.Errorf("%v should be %v", fmt.Sprint(common.DecodeBigInt(found[0])), fmt.Sprint(common.DecodeBigInt(expected[0])))
}
found = bigIntAnd(nil, [][]byte{common.EncodeBigInt(big.NewInt(1)), common.EncodeBigInt(big.NewInt(2)), common.EncodeBigInt(big.NewInt(3)), common.EncodeBigInt(big.NewInt(4))}, 1)
expected = [][]byte{common.EncodeBigInt(big.NewInt(0))}
if !reflect.DeepEqual(found, expected) {
t.Errorf("%v should be %v", fmt.Sprint(common.DecodeBigInt(found[0])), fmt.Sprint(common.DecodeBigInt(expected[0])))
}
found = bigIntAnd(nil, [][]byte{common.EncodeBigInt(big.NewInt(1)), common.EncodeBigInt(big.NewInt(3)), common.EncodeBigInt(big.NewInt(3)), common.EncodeBigInt(big.NewInt(5))}, 1)
expected = [][]byte{common.EncodeBigInt(big.NewInt(1))}
if !reflect.DeepEqual(found, expected) {
t.Errorf("%v should be %v", fmt.Sprint(common.DecodeBigInt(found[0])), fmt.Sprint(common.DecodeBigInt(expected[0])))
}
found = bigIntAnd([][]byte{common.EncodeBigInt(big.NewInt(15))}, [][]byte{common.EncodeBigInt(big.NewInt(3))}, 2)
expected = [][]byte{common.EncodeBigInt(big.NewInt(6))}
if !reflect.DeepEqual(found, expected) {
t.Errorf("%v should be %v", fmt.Sprint(common.DecodeBigInt(found[0])), fmt.Sprint(common.DecodeBigInt(expected[0])))
}
}
func bigIntMul(oldValues [][]byte, newValues [][]byte, w float64) (result [][]byte) {
sum := big.NewInt(1)
for _, b := range oldValues {
sum.Mul(sum, common.DecodeBigInt(b))
}
for _, b := range newValues {
sum.Mul(sum, new(big.Int).Mul(common.DecodeBigInt(b), big.NewInt(int64(w))))
}
return [][]byte{sum.Bytes()}
}
func bigIntXor(oldValues [][]byte, newValues [][]byte, w float64) (result [][]byte) {
var sum *big.Int
if oldValues != nil {
sum = new(big.Int).SetBytes(oldValues[0])
for _, b := range newValues {
sum.Xor(sum, new(big.Int).Mul(common.DecodeBigInt(b), big.NewInt(int64(w))))
}
} else {
sum = new(big.Int).Mul(new(big.Int).SetBytes(newValues[0]), big.NewInt(int64(w)))
for _, b := range newValues[1:] {
sum.Xor(sum, new(big.Int).Mul(common.DecodeBigInt(b), big.NewInt(int64(w))))
}
}
return [][]byte{sum.Bytes()}
}
func decode(b []byte) string {
switch *enc {
case stringFormat:
return string(b)
case floatFormat:
res, err := common.DecodeFloat64(b)
if err != nil {
return fmt.Sprint(b)
}
return fmt.Sprint(res)
case intFormat:
res, err := common.DecodeInt64(b)
if err != nil {
return fmt.Sprint(b)
}
return fmt.Sprint(res)
case bigFormat:
return fmt.Sprint(common.DecodeBigInt(b))
}
panic(fmt.Errorf("Unknown encoding: %v", *enc))
}
