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- // Copyright 2015 The go-ethereum Authors
- // This file is part of the go-ethereum library.
- //
- // The go-ethereum library is free software: you can redistribute it and/or modify
- // it under the terms of the GNU Lesser General Public License as published by
- // the Free Software Foundation, either version 3 of the License, or
- // (at your option) any later version.
- //
- // The go-ethereum library is distributed in the hope that it will be useful,
- // but WITHOUT ANY WARRANTY; without even the implied warranty of
- // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- // GNU Lesser General Public License for more details.
- //
- // You should have received a copy of the GNU Lesser General Public License
- // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
- package common
- import (
- "encoding/json"
- "math/big"
- "strings"
- "testing"
- )
- func TestBytesConversion(t *testing.T) {
- bytes := []byte{5}
- hash := BytesToHash(bytes)
- var exp Hash
- exp[31] = 5
- if hash != exp {
- t.Errorf("expected %x got %x", exp, hash)
- }
- }
- func TestIsHexAddress(t *testing.T) {
- tests := []struct {
- str string
- exp bool
- }{
- {"0x5aaeb6053f3e94c9b9a09f33669435e7ef1beaed", true},
- {"5aaeb6053f3e94c9b9a09f33669435e7ef1beaed", true},
- {"0X5aaeb6053f3e94c9b9a09f33669435e7ef1beaed", true},
- {"0XAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA", true},
- {"0xAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA", true},
- {"0x5aaeb6053f3e94c9b9a09f33669435e7ef1beaed1", false},
- {"0x5aaeb6053f3e94c9b9a09f33669435e7ef1beae", false},
- {"5aaeb6053f3e94c9b9a09f33669435e7ef1beaed11", false},
- {"0xxaaeb6053f3e94c9b9a09f33669435e7ef1beaed", false},
- }
- for _, test := range tests {
- if result := IsHexAddress(test.str); result != test.exp {
- t.Errorf("IsHexAddress(%s) == %v; expected %v",
- test.str, result, test.exp)
- }
- }
- }
- func TestHashJsonValidation(t *testing.T) {
- var tests = []struct {
- Prefix string
- Size int
- Error string
- }{
- {"", 62, "json: cannot unmarshal hex string without 0x prefix into Go value of type common.Hash"},
- {"0x", 66, "hex string has length 66, want 64 for common.Hash"},
- {"0x", 63, "json: cannot unmarshal hex string of odd length into Go value of type common.Hash"},
- {"0x", 0, "hex string has length 0, want 64 for common.Hash"},
- {"0x", 64, ""},
- {"0X", 64, ""},
- }
- for _, test := range tests {
- input := `"` + test.Prefix + strings.Repeat("0", test.Size) + `"`
- var v Hash
- err := json.Unmarshal([]byte(input), &v)
- if err == nil {
- if test.Error != "" {
- t.Errorf("%s: error mismatch: have nil, want %q", input, test.Error)
- }
- } else {
- if err.Error() != test.Error {
- t.Errorf("%s: error mismatch: have %q, want %q", input, err, test.Error)
- }
- }
- }
- }
- func TestAddressUnmarshalJSON(t *testing.T) {
- var tests = []struct {
- Input string
- ShouldErr bool
- Output *big.Int
- }{
- {"", true, nil},
- {`""`, true, nil},
- {`"0x"`, true, nil},
- {`"0x00"`, true, nil},
- {`"0xG000000000000000000000000000000000000000"`, true, nil},
- {`"0x0000000000000000000000000000000000000000"`, false, big.NewInt(0)},
- {`"0x0000000000000000000000000000000000000010"`, false, big.NewInt(16)},
- }
- for i, test := range tests {
- var v Address
- err := json.Unmarshal([]byte(test.Input), &v)
- if err != nil && !test.ShouldErr {
- t.Errorf("test #%d: unexpected error: %v", i, err)
- }
- if err == nil {
- if test.ShouldErr {
- t.Errorf("test #%d: expected error, got none", i)
- }
- if v.Big().Cmp(test.Output) != 0 {
- t.Errorf("test #%d: address mismatch: have %v, want %v", i, v.Big(), test.Output)
- }
- }
- }
- }
- func TestAddressHexChecksum(t *testing.T) {
- var tests = []struct {
- Input string
- Output string
- }{
- // Test cases from https://github.com/ethereum/EIPs/blob/master/EIPS/eip-55.md#specification
- {"0x5aaeb6053f3e94c9b9a09f33669435e7ef1beaed", "0x5aAeb6053F3E94C9b9A09f33669435E7Ef1BeAed"},
- {"0xfb6916095ca1df60bb79ce92ce3ea74c37c5d359", "0xfB6916095ca1df60bB79Ce92cE3Ea74c37c5d359"},
- {"0xdbf03b407c01e7cd3cbea99509d93f8dddc8c6fb", "0xdbF03B407c01E7cD3CBea99509d93f8DDDC8C6FB"},
- {"0xd1220a0cf47c7b9be7a2e6ba89f429762e7b9adb", "0xD1220A0cf47c7B9Be7A2E6BA89F429762e7b9aDb"},
- // Ensure that non-standard length input values are handled correctly
- {"0xa", "0x000000000000000000000000000000000000000A"},
- {"0x0a", "0x000000000000000000000000000000000000000A"},
- {"0x00a", "0x000000000000000000000000000000000000000A"},
- {"0x000000000000000000000000000000000000000a", "0x000000000000000000000000000000000000000A"},
- }
- for i, test := range tests {
- output := HexToAddress(test.Input).Hex()
- if output != test.Output {
- t.Errorf("test #%d: failed to match when it should (%s != %s)", i, output, test.Output)
- }
- }
- }
- func BenchmarkAddressHex(b *testing.B) {
- testAddr := HexToAddress("0x5aaeb6053f3e94c9b9a09f33669435e7ef1beaed")
- for n := 0; n < b.N; n++ {
- testAddr.Hex()
- }
- }
- func TestMixedcaseAccount_Address(t *testing.T) {
- // https://github.com/ethereum/EIPs/blob/master/EIPS/eip-55.md
- // Note: 0X{checksum_addr} is not valid according to spec above
- var res []struct {
- A MixedcaseAddress
- Valid bool
- }
- if err := json.Unmarshal([]byte(`[
- {"A" : "0xae967917c465db8578ca9024c205720b1a3651A9", "Valid": false},
- {"A" : "0xAe967917c465db8578ca9024c205720b1a3651A9", "Valid": true},
- {"A" : "0XAe967917c465db8578ca9024c205720b1a3651A9", "Valid": false},
- {"A" : "0x1111111111111111111112222222222223333323", "Valid": true}
- ]`), &res); err != nil {
- t.Fatal(err)
- }
- for _, r := range res {
- if got := r.A.ValidChecksum(); got != r.Valid {
- t.Errorf("Expected checksum %v, got checksum %v, input %v", r.Valid, got, r.A.String())
- }
- }
- //These should throw exceptions:
- var r2 []MixedcaseAddress
- for _, r := range []string{
- `["0x11111111111111111111122222222222233333"]`, // Too short
- `["0x111111111111111111111222222222222333332"]`, // Too short
- `["0x11111111111111111111122222222222233333234"]`, // Too long
- `["0x111111111111111111111222222222222333332344"]`, // Too long
- `["1111111111111111111112222222222223333323"]`, // Missing 0x
- `["x1111111111111111111112222222222223333323"]`, // Missing 0
- `["0xG111111111111111111112222222222223333323"]`, //Non-hex
- } {
- if err := json.Unmarshal([]byte(r), &r2); err == nil {
- t.Errorf("Expected failure, input %v", r)
- }
- }
- }
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