52 lines
1.4 KiB
Go
52 lines
1.4 KiB
Go
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// Copyright 2021 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 rlpx
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import (
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"bytes"
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"testing"
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"github.com/ethereum/go-ethereum/common/hexutil"
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"github.com/stretchr/testify/assert"
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)
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func TestReadBufferReset(t *testing.T) {
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reader := bytes.NewReader(hexutil.MustDecode("0x010202030303040505"))
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var b readBuffer
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s1, _ := b.read(reader, 1)
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s2, _ := b.read(reader, 2)
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s3, _ := b.read(reader, 3)
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assert.Equal(t, []byte{1}, s1)
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assert.Equal(t, []byte{2, 2}, s2)
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assert.Equal(t, []byte{3, 3, 3}, s3)
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b.reset()
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s4, _ := b.read(reader, 1)
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s5, _ := b.read(reader, 2)
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assert.Equal(t, []byte{4}, s4)
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assert.Equal(t, []byte{5, 5}, s5)
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s6, err := b.read(reader, 2)
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assert.EqualError(t, err, "EOF")
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assert.Nil(t, s6)
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}
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