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- // 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 trie
- import (
- "bytes"
- "testing"
- "github.com/ethereum/go-ethereum/rlp"
- )
- func newTestFullNode(v []byte) []interface{} {
- fullNodeData := []interface{}{}
- for i := 0; i < 16; i++ {
- k := bytes.Repeat([]byte{byte(i + 1)}, 32)
- fullNodeData = append(fullNodeData, k)
- }
- fullNodeData = append(fullNodeData, v)
- return fullNodeData
- }
- func TestDecodeNestedNode(t *testing.T) {
- fullNodeData := newTestFullNode([]byte("fullnode"))
- data := [][]byte{}
- for i := 0; i < 16; i++ {
- data = append(data, nil)
- }
- data = append(data, []byte("subnode"))
- fullNodeData[15] = data
- buf := bytes.NewBuffer([]byte{})
- rlp.Encode(buf, fullNodeData)
- if _, err := decodeNode([]byte("testdecode"), buf.Bytes()); err != nil {
- t.Fatalf("decode nested full node err: %v", err)
- }
- }
- func TestDecodeFullNodeWrongSizeChild(t *testing.T) {
- fullNodeData := newTestFullNode([]byte("wrongsizechild"))
- fullNodeData[0] = []byte("00")
- buf := bytes.NewBuffer([]byte{})
- rlp.Encode(buf, fullNodeData)
- _, err := decodeNode([]byte("testdecode"), buf.Bytes())
- if _, ok := err.(*decodeError); !ok {
- t.Fatalf("decodeNode returned wrong err: %v", err)
- }
- }
- func TestDecodeFullNodeWrongNestedFullNode(t *testing.T) {
- fullNodeData := newTestFullNode([]byte("fullnode"))
- data := [][]byte{}
- for i := 0; i < 16; i++ {
- data = append(data, []byte("123456"))
- }
- data = append(data, []byte("subnode"))
- fullNodeData[15] = data
- buf := bytes.NewBuffer([]byte{})
- rlp.Encode(buf, fullNodeData)
- _, err := decodeNode([]byte("testdecode"), buf.Bytes())
- if _, ok := err.(*decodeError); !ok {
- t.Fatalf("decodeNode returned wrong err: %v", err)
- }
- }
- func TestDecodeFullNode(t *testing.T) {
- fullNodeData := newTestFullNode([]byte("decodefullnode"))
- buf := bytes.NewBuffer([]byte{})
- rlp.Encode(buf, fullNodeData)
- _, err := decodeNode([]byte("testdecode"), buf.Bytes())
- if err != nil {
- t.Fatalf("decode full node err: %v", err)
- }
- }
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