github.com/energicryptocurrency/go-energi@v1.1.7/trie/database_test.go (about) 1 // Copyright 2019 The Energi Core Authors 2 // Copyright 2018 The go-ethereum Authors 3 // This file is part of the Energi Core library. 4 // 5 // The Energi Core library is free software: you can redistribute it and/or modify 6 // it under the terms of the GNU Lesser General Public License as published by 7 // the Free Software Foundation, either version 3 of the License, or 8 // (at your option) any later version. 9 // 10 // The Energi Core library is distributed in the hope that it will be useful, 11 // but WITHOUT ANY WARRANTY; without even the implied warranty of 12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 // GNU Lesser General Public License for more details. 14 // 15 // You should have received a copy of the GNU Lesser General Public License 16 // along with the Energi Core library. If not, see <http://www.gnu.org/licenses/>. 17 18 package trie 19 20 import ( 21 "testing" 22 23 "github.com/energicryptocurrency/go-energi/common" 24 "github.com/energicryptocurrency/go-energi/ethdb" 25 ) 26 27 // Tests that the trie database returns a missing trie node error if attempting 28 // to retrieve the meta root. 29 func TestDatabaseMetarootFetch(t *testing.T) { 30 db := NewDatabase(ethdb.NewMemDatabase()) 31 if _, err := db.Node(common.Hash{}); err == nil { 32 t.Fatalf("metaroot retrieval succeeded") 33 } 34 }