// 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 }{ {"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}, ""}, { "01:23:45:67:89:ab:cd:ef:00:00:01:23:45:67:89:ab:cd:ef:00:00", HardwareAddr{ 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0x00, 0x00, 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0x00, 0x00, }, "", }, { "01-23-45-67-89-ab-cd-ef-00-00-01-23-45-67-89-ab-cd-ef-00-00", HardwareAddr{ 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0x00, 0x00, 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0x00, 0x00, }, "", }, { "0123.4567.89ab.cdef.0000.0123.4567.89ab.cdef.0000", HardwareAddr{ 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0x00, 0x00, 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0x00, 0x00, }, "", }, } 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) } } } }