mirror of
https://gitlab.com/pulsechaincom/go-pulse.git
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3dc071e036
* common/hexutil: define hex wrappers for uint256.Int * eth/tracers/logger: make structlog/json-log stack hex again * common/hexutil: goimports
435 lines
14 KiB
Go
435 lines
14 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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"encoding/json"
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"errors"
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"math/big"
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"testing"
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"github.com/holiman/uint256"
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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 errJSONEOF = errors.New("unexpected end of JSON input")
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var unmarshalBytesTests = []unmarshalTest{
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// invalid encoding
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{input: "", wantErr: errJSONEOF},
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{input: "null", wantErr: errNonString(bytesT)},
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{input: "10", wantErr: errNonString(bytesT)},
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{input: `"0"`, wantErr: wrapTypeError(ErrMissingPrefix, bytesT)},
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{input: `"0x0"`, wantErr: wrapTypeError(ErrOddLength, bytesT)},
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{input: `"0xxx"`, wantErr: wrapTypeError(ErrSyntax, bytesT)},
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{input: `"0x01zz01"`, wantErr: wrapTypeError(ErrSyntax, bytesT)},
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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 := json.Unmarshal([]byte(test.input), &v)
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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), 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 := json.Marshal(Bytes(in))
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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: errJSONEOF},
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{input: "null", wantErr: errNonString(bigT)},
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{input: "10", wantErr: errNonString(bigT)},
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{input: `"0"`, wantErr: wrapTypeError(ErrMissingPrefix, bigT)},
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{input: `"0x"`, wantErr: wrapTypeError(ErrEmptyNumber, bigT)},
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{input: `"0x01"`, wantErr: wrapTypeError(ErrLeadingZero, bigT)},
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{input: `"0xx"`, wantErr: wrapTypeError(ErrSyntax, bigT)},
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{input: `"0x1zz01"`, wantErr: wrapTypeError(ErrSyntax, bigT)},
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{
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input: `"0x10000000000000000000000000000000000000000000000000000000000000000"`,
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wantErr: wrapTypeError(ErrBig256Range, bigT),
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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 := json.Unmarshal([]byte(test.input), &v)
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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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var unmarshalU256Tests = []unmarshalTest{
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// invalid encoding
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{input: "", wantErr: errJSONEOF},
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{input: "null", wantErr: errNonString(u256T)},
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{input: "10", wantErr: errNonString(u256T)},
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{input: `"0"`, wantErr: wrapTypeError(ErrMissingPrefix, u256T)},
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{input: `"0x"`, wantErr: wrapTypeError(ErrEmptyNumber, u256T)},
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{input: `"0x01"`, wantErr: wrapTypeError(ErrLeadingZero, u256T)},
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{input: `"0xx"`, wantErr: wrapTypeError(ErrSyntax, u256T)},
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{input: `"0x1zz01"`, wantErr: wrapTypeError(ErrSyntax, u256T)},
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{
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input: `"0x10000000000000000000000000000000000000000000000000000000000000000"`,
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wantErr: wrapTypeError(ErrBig256Range, u256T),
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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 TestUnmarshalU256(t *testing.T) {
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for _, test := range unmarshalU256Tests {
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var v U256
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err := json.Unmarshal([]byte(test.input), &v)
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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 {
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continue
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}
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want := new(uint256.Int)
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want.SetFromBig(test.want.(*big.Int))
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have := (*uint256.Int)(&v)
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if want.Cmp(have) != 0 {
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t.Errorf("input %s: value mismatch: have %x, want %x", test.input, have, 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 := json.Marshal((*Big)(in))
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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: errJSONEOF},
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{input: "null", wantErr: errNonString(uint64T)},
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{input: "10", wantErr: errNonString(uint64T)},
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{input: `"0"`, wantErr: wrapTypeError(ErrMissingPrefix, uint64T)},
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{input: `"0x"`, wantErr: wrapTypeError(ErrEmptyNumber, uint64T)},
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{input: `"0x01"`, wantErr: wrapTypeError(ErrLeadingZero, uint64T)},
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{input: `"0xfffffffffffffffff"`, wantErr: wrapTypeError(ErrUint64Range, uint64T)},
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{input: `"0xx"`, wantErr: wrapTypeError(ErrSyntax, uint64T)},
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{input: `"0x1zz01"`, wantErr: wrapTypeError(ErrSyntax, uint64T)},
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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 := json.Unmarshal([]byte(test.input), &v)
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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 := json.Marshal(Uint64(in))
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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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func TestMarshalUint(t *testing.T) {
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for _, test := range encodeUintTests {
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in := test.input.(uint)
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out, err := json.Marshal(Uint(in))
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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 := (Uint)(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 (
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// These are variables (not constants) to avoid constant overflow
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// checks in the compiler on 32bit platforms.
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maxUint33bits = uint64(^uint32(0)) + 1
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maxUint64bits = ^uint64(0)
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)
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var unmarshalUintTests = []unmarshalTest{
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// invalid encoding
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{input: "", wantErr: errJSONEOF},
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{input: "null", wantErr: errNonString(uintT)},
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{input: "10", wantErr: errNonString(uintT)},
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{input: `"0"`, wantErr: wrapTypeError(ErrMissingPrefix, uintT)},
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{input: `"0x"`, wantErr: wrapTypeError(ErrEmptyNumber, uintT)},
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{input: `"0x01"`, wantErr: wrapTypeError(ErrLeadingZero, uintT)},
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{input: `"0x100000000"`, want: uint(maxUint33bits), wantErr32bit: wrapTypeError(ErrUintRange, uintT)},
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{input: `"0xfffffffffffffffff"`, wantErr: wrapTypeError(ErrUintRange, uintT)},
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{input: `"0xx"`, wantErr: wrapTypeError(ErrSyntax, uintT)},
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{input: `"0x1zz01"`, wantErr: wrapTypeError(ErrSyntax, uintT)},
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// valid encoding
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{input: `""`, want: uint(0)},
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{input: `"0x0"`, want: uint(0)},
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{input: `"0x2"`, want: uint(0x2)},
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{input: `"0x2F2"`, want: uint(0x2f2)},
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{input: `"0X2F2"`, want: uint(0x2f2)},
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{input: `"0x1122aaff"`, want: uint(0x1122aaff)},
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{input: `"0xbbb"`, want: uint(0xbbb)},
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{input: `"0xffffffff"`, want: uint(0xffffffff)},
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{input: `"0xffffffffffffffff"`, want: uint(maxUint64bits), wantErr32bit: wrapTypeError(ErrUintRange, uintT)},
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}
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func TestUnmarshalUint(t *testing.T) {
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for _, test := range unmarshalUintTests {
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var v Uint
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err := json.Unmarshal([]byte(test.input), &v)
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if uintBits == 32 && test.wantErr32bit != nil {
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checkError(t, test.input, err, test.wantErr32bit)
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continue
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}
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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 uint(v) != test.want.(uint) {
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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 TestUnmarshalFixedUnprefixedText(t *testing.T) {
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tests := []struct {
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input string
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want []byte
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wantErr error
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}{
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{input: "0x2", wantErr: ErrOddLength},
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{input: "2", wantErr: ErrOddLength},
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{input: "4444", wantErr: errors.New("hex string has length 4, want 8 for x")},
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{input: "4444", wantErr: errors.New("hex string has length 4, want 8 for x")},
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// check that output is not modified for partially correct input
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{input: "444444gg", wantErr: ErrSyntax, want: []byte{0, 0, 0, 0}},
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{input: "0x444444gg", wantErr: ErrSyntax, want: []byte{0, 0, 0, 0}},
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// valid inputs
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{input: "44444444", want: []byte{0x44, 0x44, 0x44, 0x44}},
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{input: "0x44444444", want: []byte{0x44, 0x44, 0x44, 0x44}},
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}
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for _, test := range tests {
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out := make([]byte, 4)
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err := UnmarshalFixedUnprefixedText("x", []byte(test.input), out)
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switch {
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case err == nil && test.wantErr != nil:
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t.Errorf("%q: got no error, expected %q", test.input, test.wantErr)
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case err != nil && test.wantErr == nil:
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t.Errorf("%q: unexpected error %q", test.input, err)
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case err != nil && err.Error() != test.wantErr.Error():
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t.Errorf("%q: error mismatch: got %q, want %q", test.input, err, test.wantErr)
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}
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if test.want != nil && !bytes.Equal(out, test.want) {
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t.Errorf("%q: output mismatch: got %x, want %x", test.input, out, test.want)
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}
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}
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}
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