// 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 ( "reflect" "strings" "testing" ) var parseMACTests = []struct { in string out HardwareAddr err string }{ // See RFC 7042, Section 2.1.1. {"00:00:5e:00:53:01", HardwareAddr{0x00, 0x00, 0x5e, 0x00, 0x53, 0x01}, ""}, {"00-00-5e-00-53-01", HardwareAddr{0x00, 0x00, 0x5e, 0x00, 0x53, 0x01}, ""}, {"0000.5e00.5301", HardwareAddr{0x00, 0x00, 0x5e, 0x00, 0x53, 0x01}, ""}, // See RFC 7042, Section 2.2.2. {"02:00:5e:10:00:00:00:01", HardwareAddr{0x02, 0x00, 0x5e, 0x10, 0x00, 0x00, 0x00, 0x01}, ""}, {"02-00-5e-10-00-00-00-01", HardwareAddr{0x02, 0x00, 0x5e, 0x10, 0x00, 0x00, 0x00, 0x01}, ""}, {"0200.5e10.0000.0001", HardwareAddr{0x02, 0x00, 0x5e, 0x10, 0x00, 0x00, 0x00, 0x01}, ""}, // See RFC 4391, Section 9.1.1. { "00:00:00:00:fe:80:00:00:00:00:00:00:02:00:5e:10:00:00:00:01", HardwareAddr{ 0x00, 0x00, 0x00, 0x00, 0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x5e, 0x10, 0x00, 0x00, 0x00, 0x01, }, "", }, { "00-00-00-00-fe-80-00-00-00-00-00-00-02-00-5e-10-00-00-00-01", HardwareAddr{ 0x00, 0x00, 0x00, 0x00, 0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x5e, 0x10, 0x00, 0x00, 0x00, 0x01, }, "", }, { "0000.0000.fe80.0000.0000.0000.0200.5e10.0000.0001", HardwareAddr{ 0x00, 0x00, 0x00, 0x00, 0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x5e, 0x10, 0x00, 0x00, 0x00, 0x01, }, "", }, {"ab:cd:ef:AB:CD:EF", HardwareAddr{0xab, 0xcd, 0xef, 0xab, 0xcd, 0xef}, ""}, {"ab:cd:ef:AB:CD:EF:ab:cd", HardwareAddr{0xab, 0xcd, 0xef, 0xab, 0xcd, 0xef, 0xab, 0xcd}, ""}, { "ab:cd:ef:AB:CD:EF:ab:cd:ef:AB:CD:EF:ab:cd:ef:AB:CD:EF:ab:cd", HardwareAddr{ 0xab, 0xcd, 0xef, 0xab, 0xcd, 0xef, 0xab, 0xcd, 0xef, 0xab, 0xcd, 0xef, 0xab, 0xcd, 0xef, 0xab, 0xcd, 0xef, 0xab, 0xcd, }, "", }, {"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"}, } func TestParseMAC(t *testing.T) { match := func(err error, s string) bool { if s == "" { return err == nil } return err != nil && strings.Contains(err.Error(), s) } for i, tt := range parseMACTests { 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) } if tt.err == "" { // Verify that serialization works too, and that it round-trips. s := out.String() out2, err := ParseMAC(s) if err != nil { t.Errorf("%d. ParseMAC(%q) = %v", i, s, err) continue } if !reflect.DeepEqual(out2, out) { t.Errorf("%d. ParseMAC(%q) = %v, want %v", i, s, out2, out) } } } }