mirror of https://github.com/status-im/op-geth.git
71 lines
1.8 KiB
Go
71 lines
1.8 KiB
Go
|
// Copyright 2019 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 state
|
||
|
|
|
||
|
|
import (
|
||
|
|
"bytes"
|
||
|
|
"fmt"
|
||
|
|
"math/rand"
|
||
|
|
"testing"
|
||
|
|
"time"
|
||
|
|
|
||
|
|
"github.com/ethereum/go-ethereum/common"
|
||
|
|
)
|
||
|
|
|
||
|
|
func BenchmarkCutOriginal(b *testing.B) {
|
||
|
|
value := common.HexToHash("0x01")
|
||
|
|
for i := 0; i < b.N; i++ {
|
||
|
|
bytes.TrimLeft(value[:], "\x00")
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func BenchmarkCutsetterFn(b *testing.B) {
|
||
|
|
value := common.HexToHash("0x01")
|
||
|
|
cutSetFn := func(r rune) bool {
|
||
|
|
return int32(r) == int32(0)
|
||
|
|
}
|
||
|
|
for i := 0; i < b.N; i++ {
|
||
|
|
bytes.TrimLeftFunc(value[:], cutSetFn)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func BenchmarkCutCustomTrim(b *testing.B) {
|
||
|
|
value := common.HexToHash("0x01")
|
||
|
|
for i := 0; i < b.N; i++ {
|
||
|
|
common.TrimLeftZeroes(value[:])
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func xTestFuzzCutter(t *testing.T) {
|
||
|
|
rand.Seed(time.Now().Unix())
|
||
|
|
for {
|
||
|
|
v := make([]byte, 20)
|
||
|
|
zeroes := rand.Intn(21)
|
||
|
|
rand.Read(v[zeroes:])
|
||
|
|
exp := bytes.TrimLeft(v[:], "\x00")
|
||
|
|
got := common.TrimLeftZeroes(v)
|
||
|
|
if !bytes.Equal(exp, got) {
|
||
|
|
|
||
|
|
fmt.Printf("Input %x\n", v)
|
||
|
|
fmt.Printf("Exp %x\n", exp)
|
||
|
|
fmt.Printf("Got %x\n", got)
|
||
|
|
t.Fatalf("Error")
|
||
|
|
}
|
||
|
|
//break
|
||
|
|
}
|
||
|
|
}
|