state_object_test.go 1.3 KB

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  1. // Copyright 2019 The go-ethereum Authors
  2. // This file is part of the go-ethereum library.
  3. //
  4. // The go-ethereum library is free software: you can redistribute it and/or modify
  5. // it under the terms of the GNU Lesser General Public License as published by
  6. // the Free Software Foundation, either version 3 of the License, or
  7. // (at your option) any later version.
  8. //
  9. // The go-ethereum library is distributed in the hope that it will be useful,
  10. // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12. // GNU Lesser General Public License for more details.
  13. //
  14. // You should have received a copy of the GNU Lesser General Public License
  15. // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
  16. package state
  17. import (
  18. "bytes"
  19. "testing"
  20. "github.com/ethereum/go-ethereum/common"
  21. )
  22. func BenchmarkCutOriginal(b *testing.B) {
  23. value := common.HexToHash("0x01")
  24. for i := 0; i < b.N; i++ {
  25. bytes.TrimLeft(value[:], "\x00")
  26. }
  27. }
  28. func BenchmarkCutsetterFn(b *testing.B) {
  29. value := common.HexToHash("0x01")
  30. cutSetFn := func(r rune) bool { return r == 0 }
  31. for i := 0; i < b.N; i++ {
  32. bytes.TrimLeftFunc(value[:], cutSetFn)
  33. }
  34. }
  35. func BenchmarkCutCustomTrim(b *testing.B) {
  36. value := common.HexToHash("0x01")
  37. for i := 0; i < b.N; i++ {
  38. common.TrimLeftZeroes(value[:])
  39. }
  40. }