mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
synced 2024-12-24 20:47:16 +00:00
267 lines
7.5 KiB
Go
267 lines
7.5 KiB
Go
// Copyright 2016 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package hexutil
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import (
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"bytes"
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"encoding/hex"
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"math/big"
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"testing"
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)
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func checkError(t *testing.T, input string, got, want error) bool {
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if got == nil {
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if want != nil {
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t.Errorf("input %s: got no error, want %q", input, want)
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return false
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}
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return true
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}
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if want == nil {
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t.Errorf("input %s: unexpected error %q", input, got)
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} else if got.Error() != want.Error() {
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t.Errorf("input %s: got error %q, want %q", input, got, want)
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}
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return false
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}
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func referenceBig(s string) *big.Int {
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b, ok := new(big.Int).SetString(s, 16)
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if !ok {
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panic("invalid")
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}
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return b
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}
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func referenceBytes(s string) []byte {
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b, err := hex.DecodeString(s)
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if err != nil {
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panic(err)
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}
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return b
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}
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var unmarshalBytesTests = []unmarshalTest{
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// invalid encoding
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{input: "", wantErr: errNonString},
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{input: "null", wantErr: errNonString},
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{input: "10", wantErr: errNonString},
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{input: `"0"`, wantErr: ErrMissingPrefix},
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{input: `"0x0"`, wantErr: ErrOddLength},
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{input: `"0xxx"`, wantErr: ErrSyntax},
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{input: `"0x01zz01"`, wantErr: ErrSyntax},
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// valid encoding
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{input: `""`, want: referenceBytes("")},
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{input: `"0x"`, want: referenceBytes("")},
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{input: `"0x02"`, want: referenceBytes("02")},
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{input: `"0X02"`, want: referenceBytes("02")},
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{input: `"0xffffffffff"`, want: referenceBytes("ffffffffff")},
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{
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input: `"0xffffffffffffffffffffffffffffffffffff"`,
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want: referenceBytes("ffffffffffffffffffffffffffffffffffff"),
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},
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}
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func TestUnmarshalBytes(t *testing.T) {
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for _, test := range unmarshalBytesTests {
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var v Bytes
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err := v.UnmarshalJSON([]byte(test.input))
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if !checkError(t, test.input, err, test.wantErr) {
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continue
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}
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if !bytes.Equal(test.want.([]byte), []byte(v)) {
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t.Errorf("input %s: value mismatch: got %x, want %x", test.input, &v, test.want)
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continue
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}
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}
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}
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func BenchmarkUnmarshalBytes(b *testing.B) {
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input := []byte(`"0x123456789abcdef123456789abcdef"`)
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for i := 0; i < b.N; i++ {
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var v Bytes
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if err := v.UnmarshalJSON(input); err != nil {
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b.Fatal(err)
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}
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}
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}
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func TestMarshalBytes(t *testing.T) {
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for _, test := range encodeBytesTests {
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in := test.input.([]byte)
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out, err := Bytes(in).MarshalJSON()
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if err != nil {
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t.Errorf("%x: %v", in, err)
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continue
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}
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if want := `"` + test.want + `"`; string(out) != want {
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t.Errorf("%x: MarshalJSON output mismatch: got %q, want %q", in, out, want)
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continue
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}
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if out := Bytes(in).String(); out != test.want {
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t.Errorf("%x: String mismatch: got %q, want %q", in, out, test.want)
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continue
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}
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}
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}
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var unmarshalBigTests = []unmarshalTest{
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// invalid encoding
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{input: "", wantErr: errNonString},
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{input: "null", wantErr: errNonString},
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{input: "10", wantErr: errNonString},
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{input: `"0"`, wantErr: ErrMissingPrefix},
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{input: `"0x"`, wantErr: ErrEmptyNumber},
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{input: `"0x01"`, wantErr: ErrLeadingZero},
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{input: `"0xx"`, wantErr: ErrSyntax},
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{input: `"0x1zz01"`, wantErr: ErrSyntax},
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{
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input: `"0x10000000000000000000000000000000000000000000000000000000000000000"`,
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wantErr: ErrBig256Range,
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},
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// valid encoding
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{input: `""`, want: big.NewInt(0)},
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{input: `"0x0"`, want: big.NewInt(0)},
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{input: `"0x2"`, want: big.NewInt(0x2)},
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{input: `"0x2F2"`, want: big.NewInt(0x2f2)},
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{input: `"0X2F2"`, want: big.NewInt(0x2f2)},
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{input: `"0x1122aaff"`, want: big.NewInt(0x1122aaff)},
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{input: `"0xbBb"`, want: big.NewInt(0xbbb)},
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{input: `"0xfffffffff"`, want: big.NewInt(0xfffffffff)},
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{
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input: `"0x112233445566778899aabbccddeeff"`,
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want: referenceBig("112233445566778899aabbccddeeff"),
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},
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{
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input: `"0xffffffffffffffffffffffffffffffffffff"`,
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want: referenceBig("ffffffffffffffffffffffffffffffffffff"),
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},
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{
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input: `"0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"`,
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want: referenceBig("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"),
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},
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}
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func TestUnmarshalBig(t *testing.T) {
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for _, test := range unmarshalBigTests {
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var v Big
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err := v.UnmarshalJSON([]byte(test.input))
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if !checkError(t, test.input, err, test.wantErr) {
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continue
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}
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if test.want != nil && test.want.(*big.Int).Cmp((*big.Int)(&v)) != 0 {
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t.Errorf("input %s: value mismatch: got %x, want %x", test.input, (*big.Int)(&v), test.want)
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continue
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}
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}
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}
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func BenchmarkUnmarshalBig(b *testing.B) {
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input := []byte(`"0x123456789abcdef123456789abcdef"`)
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for i := 0; i < b.N; i++ {
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var v Big
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if err := v.UnmarshalJSON(input); err != nil {
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b.Fatal(err)
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}
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}
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}
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func TestMarshalBig(t *testing.T) {
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for _, test := range encodeBigTests {
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in := test.input.(*big.Int)
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out, err := (*Big)(in).MarshalJSON()
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if err != nil {
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t.Errorf("%d: %v", in, err)
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continue
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}
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if want := `"` + test.want + `"`; string(out) != want {
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t.Errorf("%d: MarshalJSON output mismatch: got %q, want %q", in, out, want)
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continue
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}
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if out := (*Big)(in).String(); out != test.want {
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t.Errorf("%x: String mismatch: got %q, want %q", in, out, test.want)
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continue
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}
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}
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}
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var unmarshalUint64Tests = []unmarshalTest{
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// invalid encoding
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{input: "", wantErr: errNonString},
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{input: "null", wantErr: errNonString},
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{input: "10", wantErr: errNonString},
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{input: `"0"`, wantErr: ErrMissingPrefix},
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{input: `"0x"`, wantErr: ErrEmptyNumber},
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{input: `"0x01"`, wantErr: ErrLeadingZero},
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{input: `"0xfffffffffffffffff"`, wantErr: ErrUint64Range},
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{input: `"0xx"`, wantErr: ErrSyntax},
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{input: `"0x1zz01"`, wantErr: ErrSyntax},
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// valid encoding
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{input: `""`, want: uint64(0)},
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{input: `"0x0"`, want: uint64(0)},
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{input: `"0x2"`, want: uint64(0x2)},
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{input: `"0x2F2"`, want: uint64(0x2f2)},
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{input: `"0X2F2"`, want: uint64(0x2f2)},
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{input: `"0x1122aaff"`, want: uint64(0x1122aaff)},
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{input: `"0xbbb"`, want: uint64(0xbbb)},
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{input: `"0xffffffffffffffff"`, want: uint64(0xffffffffffffffff)},
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}
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func TestUnmarshalUint64(t *testing.T) {
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for _, test := range unmarshalUint64Tests {
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var v Uint64
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err := v.UnmarshalJSON([]byte(test.input))
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if !checkError(t, test.input, err, test.wantErr) {
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continue
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}
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if uint64(v) != test.want.(uint64) {
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t.Errorf("input %s: value mismatch: got %d, want %d", test.input, v, test.want)
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continue
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}
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}
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}
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func BenchmarkUnmarshalUint64(b *testing.B) {
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input := []byte(`"0x123456789abcdf"`)
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for i := 0; i < b.N; i++ {
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var v Uint64
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v.UnmarshalJSON(input)
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}
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}
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func TestMarshalUint64(t *testing.T) {
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for _, test := range encodeUint64Tests {
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in := test.input.(uint64)
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out, err := Uint64(in).MarshalJSON()
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if err != nil {
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t.Errorf("%d: %v", in, err)
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continue
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}
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if want := `"` + test.want + `"`; string(out) != want {
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t.Errorf("%d: MarshalJSON output mismatch: got %q, want %q", in, out, want)
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continue
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}
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if out := (Uint64)(in).String(); out != test.want {
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t.Errorf("%x: String mismatch: got %q, want %q", in, out, test.want)
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continue
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}
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}
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}
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