60 lines
3.0 KiB
Go
60 lines
3.0 KiB
Go
// Copyright 2020 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package rlp
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import (
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"testing"
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"github.com/ethereum/go-ethereum/common/hexutil"
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)
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// TestIterator tests some basic things about the ListIterator. A more
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// comprehensive test can be found in core/rlp_test.go, where we can
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// use both types and rlp without dependency cycles
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func TestIterator(t *testing.T) {
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bodyRlpHex := "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"
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bodyRlp := hexutil.MustDecode(bodyRlpHex)
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it, err := NewListIterator(bodyRlp)
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if err != nil {
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t.Fatal(err)
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}
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// Check that txs exist
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if !it.Next() {
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t.Fatal("expected two elems, got zero")
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}
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txs := it.Value()
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// Check that uncles exist
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if !it.Next() {
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t.Fatal("expected two elems, got one")
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}
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txit, err := NewListIterator(txs)
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if err != nil {
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t.Fatal(err)
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}
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var i = 0
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for txit.Next() {
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if txit.err != nil {
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t.Fatal(txit.err)
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}
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i++
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}
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if exp := 2; i != exp {
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t.Errorf("count wrong, expected %d got %d", i, exp)
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}
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}
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