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ansible-role-version/vendor/golang.org/x/net/icmp/message_test.go

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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"
)
func TestMarshalAndParseMessage(t *testing.T) {
fn := func(t *testing.T, proto int, tms []icmp.Message) {
var pshs [][]byte
switch proto {
case iana.ProtocolICMP:
pshs = [][]byte{nil}
case iana.ProtocolIPv6ICMP:
pshs = [][]byte{
icmp.IPv6PseudoHeader(net.ParseIP("fe80::1"), net.ParseIP("ff02::1")),
nil,
}
}
for i, tm := range tms {
for _, psh := range pshs {
b, err := tm.Marshal(psh)
if err != nil {
t.Fatal(err)
}
m, err := icmp.ParseMessage(proto, b)
if err != nil {
t.Fatal(err)
}
if m.Type != tm.Type || m.Code != tm.Code {
t.Errorf("#%d: got %#v; want %#v", i, m, &tm)
}
if !reflect.DeepEqual(m.Body, tm.Body) {
t.Errorf("#%d: got %#v; want %#v", i, m.Body, tm.Body)
}
}
}
}
t.Run("IPv4", func(t *testing.T) {
fn(t, iana.ProtocolICMP,
[]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},
},
},
})
})
t.Run("IPv6", func(t *testing.T) {
fn(t, iana.ProtocolIPv6ICMP,
[]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},
},
},
})
})
}