mirror of
https://github.com/bettercap/bettercap
synced 2025-07-31 12:10:10 -07:00
60 lines
1.4 KiB
Go
60 lines
1.4 KiB
Go
// Copyright 2016, Google, Inc. All rights reserved.
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//
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// Use of this source code is governed by a BSD-style license
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// that can be found in the LICENSE file in the root of the source
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// tree.
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package layers
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import (
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"testing"
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"github.com/google/gopacket"
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)
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func TestTCPOptionKindString(t *testing.T) {
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testData := []struct {
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o *TCPOption
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s string
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}{
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{&TCPOption{
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OptionType: TCPOptionKindNop,
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OptionLength: 1,
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},
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"TCPOption(NOP:)"},
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{&TCPOption{
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OptionType: TCPOptionKindMSS,
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OptionLength: 4,
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OptionData: []byte{0x12, 0x34},
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},
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"TCPOption(MSS:4660 0x1234)"},
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{&TCPOption{
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OptionType: TCPOptionKindTimestamps,
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OptionLength: 10,
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OptionData: []byte{0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x01},
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},
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"TCPOption(Timestamps:2/1 0x0000000200000001)"}}
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for _, tc := range testData {
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if s := tc.o.String(); s != tc.s {
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t.Errorf("expected %#v string to be %s, got %s", tc.o, tc.s, s)
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}
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}
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}
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func TestTCPSerializePadding(t *testing.T) {
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tcp := &TCP{}
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tcp.Options = append(tcp.Options, TCPOption{
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OptionType: TCPOptionKindNop,
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OptionLength: 1,
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})
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buf := gopacket.NewSerializeBuffer()
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opts := gopacket.SerializeOptions{FixLengths: true}
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err := gopacket.SerializeLayers(buf, opts, tcp)
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if err != nil {
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t.Fatal(err)
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}
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if len(buf.Bytes())%4 != 0 {
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t.Errorf("TCP data of len %d not padding to 32 bit boundary", len(buf.Bytes()))
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}
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}
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