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  }