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// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package icmp_test
import (
"net"
"reflect"
"testing"
"golang.org/x/net/icmp"
"golang.org/x/net/internal/iana"
"golang.org/x/net/ipv4"
"golang.org/x/net/ipv6"
)
var marshalAndParseMessageForIPv4Tests = []icmp.Message{
{
Type: ipv4.ICMPTypeDestinationUnreachable, Code: 15,
Body: &icmp.DstUnreach{
Data: []byte("ERROR-INVOKING-PACKET"),
},
},
{
Type: ipv4.ICMPTypeTimeExceeded, Code: 1,
Body: &icmp.TimeExceeded{
Data: []byte("ERROR-INVOKING-PACKET"),
},
},
{
Type: ipv4.ICMPTypeParameterProblem, Code: 2,
Body: &icmp.ParamProb{
Pointer: 8,
Data: []byte("ERROR-INVOKING-PACKET"),
},
},
{
Type: ipv4.ICMPTypeEcho, Code: 0,
Body: &icmp.Echo{
ID: 1, Seq: 2,
Data: []byte("HELLO-R-U-THERE"),
},
},
{
Type: ipv4.ICMPTypePhoturis,
Body: &icmp.DefaultMessageBody{
Data: []byte{0x80, 0x40, 0x20, 0x10},
},
},
}
func TestMarshalAndParseMessageForIPv4(t *testing.T) {
for i, tt := range marshalAndParseMessageForIPv4Tests {
b, err := tt.Marshal(nil)
if err != nil {
t.Fatal(err)
}
m, err := icmp.ParseMessage(iana.ProtocolICMP, b)
if err != nil {
t.Fatal(err)
}
if m.Type != tt.Type || m.Code != tt.Code {
t.Errorf("#%v: got %v; want %v", i, m, &tt)
}
if !reflect.DeepEqual(m.Body, tt.Body) {
t.Errorf("#%v: got %v; want %v", i, m.Body, tt.Body)
}
}
}
var marshalAndParseMessageForIPv6Tests = []icmp.Message{
{
Type: ipv6.ICMPTypeDestinationUnreachable, Code: 6,
Body: &icmp.DstUnreach{
Data: []byte("ERROR-INVOKING-PACKET"),
},
},
{
Type: ipv6.ICMPTypePacketTooBig, Code: 0,
Body: &icmp.PacketTooBig{
MTU: 1<<16 - 1,
Data: []byte("ERROR-INVOKING-PACKET"),
},
},
{
Type: ipv6.ICMPTypeTimeExceeded, Code: 1,
Body: &icmp.TimeExceeded{
Data: []byte("ERROR-INVOKING-PACKET"),
},
},
{
Type: ipv6.ICMPTypeParameterProblem, Code: 2,
Body: &icmp.ParamProb{
Pointer: 8,
Data: []byte("ERROR-INVOKING-PACKET"),
},
},
{
Type: ipv6.ICMPTypeEchoRequest, Code: 0,
Body: &icmp.Echo{
ID: 1, Seq: 2,
Data: []byte("HELLO-R-U-THERE"),
},
},
{
Type: ipv6.ICMPTypeDuplicateAddressConfirmation,
Body: &icmp.DefaultMessageBody{
Data: []byte{0x80, 0x40, 0x20, 0x10},
},
},
}
func TestMarshalAndParseMessageForIPv6(t *testing.T) {
pshicmp := icmp.IPv6PseudoHeader(net.ParseIP("fe80::1"), net.ParseIP("ff02::1"))
for i, tt := range marshalAndParseMessageForIPv6Tests {
for _, psh := range [][]byte{pshicmp, nil} {
b, err := tt.Marshal(psh)
if err != nil {
t.Fatal(err)
}
m, err := icmp.ParseMessage(iana.ProtocolIPv6ICMP, b)
if err != nil {
t.Fatal(err)
}
if m.Type != tt.Type || m.Code != tt.Code {
t.Errorf("#%v: got %v; want %v", i, m, &tt)
}
if !reflect.DeepEqual(m.Body, tt.Body) {
t.Errorf("#%v: got %v; want %v", i, m.Body, tt.Body)
}
}
}
}
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