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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 rlp
- import (
- "testing"
- "github.com/ethereum/go-ethereum/common/hexutil"
- )
- // TestIterator tests some basic things about the ListIterator. A more
- // comprehensive test can be found in core/rlp_test.go, where we can
- // use both types and rlp without dependency cycles
- func TestIterator(t *testing.T) {
- bodyRlpHex := "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"
- bodyRlp := hexutil.MustDecode(bodyRlpHex)
- it, err := NewListIterator(bodyRlp)
- if err != nil {
- t.Fatal(err)
- }
- // Check that txs exist
- if !it.Next() {
- t.Fatal("expected two elems, got zero")
- }
- txs := it.Value()
- // Check that uncles exist
- if !it.Next() {
- t.Fatal("expected two elems, got one")
- }
- txit, err := NewListIterator(txs)
- if err != nil {
- t.Fatal(err)
- }
- var i = 0
- for txit.Next() {
- if txit.err != nil {
- t.Fatal(txit.err)
- }
- i++
- }
- if exp := 2; i != exp {
- t.Errorf("count wrong, expected %d got %d", i, exp)
- }
- }
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