1 // Copyright 2011 The Go Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style
3 // license that can be found in the LICENSE file.
12 func sameInterface(i, j *Interface) bool {
13 if i == nil || j == nil {
16 if i.Index == j.Index && i.Name == j.Name && bytes.Equal(i.HardwareAddr, j.HardwareAddr) {
22 func TestInterfaces(t *testing.T) {
23 ift, err := Interfaces()
25 t.Fatalf("Interfaces failed: %v", err)
27 t.Logf("table: len/cap = %v/%v\n", len(ift), cap(ift))
29 for _, ifi := range ift {
30 ifxi, err := InterfaceByIndex(ifi.Index)
32 t.Fatalf("InterfaceByIndex(%q) failed: %v", ifi.Index, err)
34 if !sameInterface(ifxi, &ifi) {
35 t.Fatalf("InterfaceByIndex(%q) = %v, want %v", ifi.Index, *ifxi, ifi)
37 ifxn, err := InterfaceByName(ifi.Name)
39 t.Fatalf("InterfaceByName(%q) failed: %v", ifi.Name, err)
41 if !sameInterface(ifxn, &ifi) {
42 t.Fatalf("InterfaceByName(%q) = %v, want %v", ifi.Name, *ifxn, ifi)
44 t.Logf("%q: flags %q, ifindex %v, mtu %v\n", ifi.Name, ifi.Flags.String(), ifi.Index, ifi.MTU)
45 t.Logf("\thardware address %q", ifi.HardwareAddr.String())
46 testInterfaceAddrs(t, &ifi)
47 testInterfaceMulticastAddrs(t, &ifi)
51 func TestInterfaceAddrs(t *testing.T) {
52 ifat, err := InterfaceAddrs()
54 t.Fatalf("InterfaceAddrs failed: %v", err)
56 t.Logf("table: len/cap = %v/%v\n", len(ifat), cap(ifat))
60 func testInterfaceAddrs(t *testing.T, ifi *Interface) {
61 ifat, err := ifi.Addrs()
63 t.Fatalf("Interface.Addrs failed: %v", err)
68 func testInterfaceMulticastAddrs(t *testing.T, ifi *Interface) {
69 ifmat, err := ifi.MulticastAddrs()
71 t.Fatalf("Interface.MulticastAddrs failed: %v", err)
73 testMulticastAddrs(t, ifmat)
76 func testAddrs(t *testing.T, ifat []Addr) {
77 for _, ifa := range ifat {
80 t.Logf("\tinterface address %q\n", ifa.String())
82 t.Errorf("\tunexpected type: %T", ifa)
87 func testMulticastAddrs(t *testing.T, ifmat []Addr) {
88 for _, ifma := range ifmat {
91 t.Logf("\tjoined group address %q\n", ifma.String())
93 t.Errorf("\tunexpected type: %T", ifma)