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// Copyright 2011 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 net
import (
"bytes"
"reflect"
"strings"
"testing"
)
func sameInterface(i, j *Interface) bool {
if i == nil || j == nil {
return false
}
if i.Index == j.Index && i.Name == j.Name && bytes.Equal(i.HardwareAddr, j.HardwareAddr) {
return true
}
return false
}
func TestInterfaces(t *testing.T) {
ift, err := Interfaces()
if err != nil {
t.Fatalf("Interfaces() failed: %v", err)
}
t.Logf("table: len/cap = %v/%v\n", len(ift), cap(ift))
for _, ifi := range ift {
ifxi, err := InterfaceByIndex(ifi.Index)
if err != nil {
t.Fatalf("InterfaceByIndex(%#q) failed: %v", ifi.Index, err)
}
if !sameInterface(ifxi, &ifi) {
t.Fatalf("InterfaceByIndex(%#q) = %v, want %v", ifi.Index, *ifxi, ifi)
}
ifxn, err := InterfaceByName(ifi.Name)
if err != nil {
t.Fatalf("InterfaceByName(%#q) failed: %v", ifi.Name, err)
}
if !sameInterface(ifxn, &ifi) {
t.Fatalf("InterfaceByName(%#q) = %v, want %v", ifi.Name, *ifxn, ifi)
}
ifat, err := ifi.Addrs()
if err != nil {
t.Fatalf("Interface.Addrs() failed: %v", err)
}
ifmat, err := ifi.MulticastAddrs()
if err != nil {
t.Fatalf("Interface.MulticastAddrs() failed: %v", err)
}
t.Logf("%q: flags %q, ifindex %v, mtu %v\n", ifi.Name, ifi.Flags.String(), ifi.Index, ifi.MTU)
for _, ifa := range ifat {
t.Logf("\tinterface address %q\n", ifa.String())
}
for _, ifma := range ifmat {
t.Logf("\tjoined group address %q\n", ifma.String())
}
t.Logf("\thardware address %q", ifi.HardwareAddr.String())
}
}
func TestInterfaceAddrs(t *testing.T) {
ifat, err := InterfaceAddrs()
if err != nil {
t.Fatalf("InterfaceAddrs() failed: %v", err)
}
t.Logf("table: len/cap = %v/%v\n", len(ifat), cap(ifat))
for _, ifa := range ifat {
t.Logf("interface address %q\n", ifa.String())
}
}
var mactests = []struct {
in string
out HardwareAddr
err string
}{
{"01:23:45:67:89:AB", HardwareAddr{1, 0x23, 0x45, 0x67, 0x89, 0xab}, ""},
{"01-23-45-67-89-AB", HardwareAddr{1, 0x23, 0x45, 0x67, 0x89, 0xab}, ""},
{"0123.4567.89AB", HardwareAddr{1, 0x23, 0x45, 0x67, 0x89, 0xab}, ""},
{"ab:cd:ef:AB:CD:EF", HardwareAddr{0xab, 0xcd, 0xef, 0xab, 0xcd, 0xef}, ""},
{"01.02.03.04.05.06", nil, "invalid MAC address"},
{"01:02:03:04:05:06:", nil, "invalid MAC address"},
{"x1:02:03:04:05:06", nil, "invalid MAC address"},
{"01002:03:04:05:06", nil, "invalid MAC address"},
{"01:02003:04:05:06", nil, "invalid MAC address"},
{"01:02:03004:05:06", nil, "invalid MAC address"},
{"01:02:03:04005:06", nil, "invalid MAC address"},
{"01:02:03:04:05006", nil, "invalid MAC address"},
{"01-02:03:04:05:06", nil, "invalid MAC address"},
{"01:02-03-04-05-06", nil, "invalid MAC address"},
{"0123:4567:89AF", nil, "invalid MAC address"},
{"0123-4567-89AF", nil, "invalid MAC address"},
{"01:23:45:67:89:AB:CD:EF", HardwareAddr{1, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef}, ""},
{"01-23-45-67-89-AB-CD-EF", HardwareAddr{1, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef}, ""},
{"0123.4567.89AB.CDEF", HardwareAddr{1, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef}, ""},
}
func match(err error, s string) bool {
if s == "" {
return err == nil
}
return err != nil && strings.Contains(err.Error(), s)
}
func TestParseMAC(t *testing.T) {
for _, tt := range mactests {
out, err := ParseMAC(tt.in)
if !reflect.DeepEqual(out, tt.out) || !match(err, tt.err) {
t.Errorf("ParseMAC(%q) = %v, %v, want %v, %v", tt.in, out, err, tt.out,
tt.err)
}
}
}
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