Subversion Repositories openrisc

// 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)
                }
                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)
                }
        }
}

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)
                }
        }
}