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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 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)
}
t.Logf("%q: flags %q, ifindex %v, mtu %v\n", ifi.Name, ifi.Flags.String(), ifi.Index, ifi.MTU)
t.Logf("\thardware address %q", ifi.HardwareAddr.String())
testInterfaceAddrs(t, &ifi)
testInterfaceMulticastAddrs(t, &ifi)
}
}
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))
testAddrs(t, ifat)
}
func testInterfaceAddrs(t *testing.T, ifi *Interface) {
ifat, err := ifi.Addrs()
if err != nil {
t.Fatalf("Interface.Addrs failed: %v", err)
}
testAddrs(t, ifat)
}
func testInterfaceMulticastAddrs(t *testing.T, ifi *Interface) {
ifmat, err := ifi.MulticastAddrs()
if err != nil {
t.Fatalf("Interface.MulticastAddrs failed: %v", err)
}
testMulticastAddrs(t, ifmat)
}
func testAddrs(t *testing.T, ifat []Addr) {
for _, ifa := range ifat {
switch ifa.(type) {
case *IPAddr, *IPNet:
t.Logf("\tinterface address %q\n", ifa.String())
default:
t.Errorf("\tunexpected type: %T", ifa)
}
}
}
func testMulticastAddrs(t *testing.T, ifmat []Addr) {
for _, ifma := range ifmat {
switch ifma.(type) {
case *IPAddr:
t.Logf("\tjoined group address %q\n", ifma.String())
default:
t.Errorf("\tunexpected type: %T", ifma)
}
}
}
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