database_test.go 1.2 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 trie
  17. import (
  18. "testing"
  19. "github.com/ethereum/go-ethereum/common"
  20. "github.com/ethereum/go-ethereum/ethdb/memorydb"
  21. )
  22. // Tests that the trie database returns a missing trie node error if attempting
  23. // to retrieve the meta root.
  24. func TestDatabaseMetarootFetch(t *testing.T) {
  25. db := NewDatabase(memorydb.New())
  26. if _, err := db.Node(common.Hash{}); err == nil {
  27. t.Fatalf("metaroot retrieval succeeded")
  28. }
  29. }