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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"
"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 interfaceFlagsString(ifi *Interface) string {
fs := "<"
if ifi.IsUp() {
fs += "UP,"
}
if ifi.CanBroadcast() {
fs += "BROADCAST,"
}
if ifi.IsLoopback() {
fs += "LOOPBACK,"
}
if ifi.IsPointToPoint() {
fs += "POINTOPOINT,"
}
if ifi.CanMulticast() {
fs += "MULTICAST,"
}
if len(fs) > 1 {
fs = fs[:len(fs)-1]
}
fs += ">"
return fs
}
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)
}
t.Logf("%s: flags %s, ifindex %v, mtu %v\n", ifi.Name, interfaceFlagsString(&ifi), ifi.Index, ifi.MTU)
for _, ifa := range ifat {
t.Logf("\tinterface address %s\n", ifa.String())
}
t.Logf("\thardware address %v", 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 %s\n", ifa.String())
}
}
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