github.com/m10x/go/src@v0.0.0-20220112094212-ba61592315da/net/mac_test.go (about) 1 // Copyright 2011 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 package net 6 7 import ( 8 "reflect" 9 "strings" 10 "testing" 11 ) 12 13 var parseMACTests = []struct { 14 in string 15 out HardwareAddr 16 err string 17 }{ 18 // See RFC 7042, Section 2.1.1. 19 {"00:00:5e:00:53:01", HardwareAddr{0x00, 0x00, 0x5e, 0x00, 0x53, 0x01}, ""}, 20 {"00-00-5e-00-53-01", HardwareAddr{0x00, 0x00, 0x5e, 0x00, 0x53, 0x01}, ""}, 21 {"0000.5e00.5301", HardwareAddr{0x00, 0x00, 0x5e, 0x00, 0x53, 0x01}, ""}, 22 23 // See RFC 7042, Section 2.2.2. 24 {"02:00:5e:10:00:00:00:01", HardwareAddr{0x02, 0x00, 0x5e, 0x10, 0x00, 0x00, 0x00, 0x01}, ""}, 25 {"02-00-5e-10-00-00-00-01", HardwareAddr{0x02, 0x00, 0x5e, 0x10, 0x00, 0x00, 0x00, 0x01}, ""}, 26 {"0200.5e10.0000.0001", HardwareAddr{0x02, 0x00, 0x5e, 0x10, 0x00, 0x00, 0x00, 0x01}, ""}, 27 28 // See RFC 4391, Section 9.1.1. 29 { 30 "00:00:00:00:fe:80:00:00:00:00:00:00:02:00:5e:10:00:00:00:01", 31 HardwareAddr{ 32 0x00, 0x00, 0x00, 0x00, 33 0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 34 0x02, 0x00, 0x5e, 0x10, 0x00, 0x00, 0x00, 0x01, 35 }, 36 "", 37 }, 38 { 39 "00-00-00-00-fe-80-00-00-00-00-00-00-02-00-5e-10-00-00-00-01", 40 HardwareAddr{ 41 0x00, 0x00, 0x00, 0x00, 42 0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 43 0x02, 0x00, 0x5e, 0x10, 0x00, 0x00, 0x00, 0x01, 44 }, 45 "", 46 }, 47 { 48 "0000.0000.fe80.0000.0000.0000.0200.5e10.0000.0001", 49 HardwareAddr{ 50 0x00, 0x00, 0x00, 0x00, 51 0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 52 0x02, 0x00, 0x5e, 0x10, 0x00, 0x00, 0x00, 0x01, 53 }, 54 "", 55 }, 56 57 {"ab:cd:ef:AB:CD:EF", HardwareAddr{0xab, 0xcd, 0xef, 0xab, 0xcd, 0xef}, ""}, 58 {"ab:cd:ef:AB:CD:EF:ab:cd", HardwareAddr{0xab, 0xcd, 0xef, 0xab, 0xcd, 0xef, 0xab, 0xcd}, ""}, 59 { 60 "ab:cd:ef:AB:CD:EF:ab:cd:ef:AB:CD:EF:ab:cd:ef:AB:CD:EF:ab:cd", 61 HardwareAddr{ 62 0xab, 0xcd, 0xef, 0xab, 63 0xcd, 0xef, 0xab, 0xcd, 0xef, 0xab, 0xcd, 0xef, 64 0xab, 0xcd, 0xef, 0xab, 0xcd, 0xef, 0xab, 0xcd, 65 }, 66 "", 67 }, 68 69 {"01.02.03.04.05.06", nil, "invalid MAC address"}, 70 {"01:02:03:04:05:06:", nil, "invalid MAC address"}, 71 {"x1:02:03:04:05:06", nil, "invalid MAC address"}, 72 {"01002:03:04:05:06", nil, "invalid MAC address"}, 73 {"01:02003:04:05:06", nil, "invalid MAC address"}, 74 {"01:02:03004:05:06", nil, "invalid MAC address"}, 75 {"01:02:03:04005:06", nil, "invalid MAC address"}, 76 {"01:02:03:04:05006", nil, "invalid MAC address"}, 77 {"01-02:03:04:05:06", nil, "invalid MAC address"}, 78 {"01:02-03-04-05-06", nil, "invalid MAC address"}, 79 {"0123:4567:89AF", nil, "invalid MAC address"}, 80 {"0123-4567-89AF", nil, "invalid MAC address"}, 81 } 82 83 func TestParseMAC(t *testing.T) { 84 match := func(err error, s string) bool { 85 if s == "" { 86 return err == nil 87 } 88 return err != nil && strings.Contains(err.Error(), s) 89 } 90 91 for i, tt := range parseMACTests { 92 out, err := ParseMAC(tt.in) 93 if !reflect.DeepEqual(out, tt.out) || !match(err, tt.err) { 94 t.Errorf("ParseMAC(%q) = %v, %v, want %v, %v", tt.in, out, err, tt.out, tt.err) 95 } 96 if tt.err == "" { 97 // Verify that serialization works too, and that it round-trips. 98 s := out.String() 99 out2, err := ParseMAC(s) 100 if err != nil { 101 t.Errorf("%d. ParseMAC(%q) = %v", i, s, err) 102 continue 103 } 104 if !reflect.DeepEqual(out2, out) { 105 t.Errorf("%d. ParseMAC(%q) = %v, want %v", i, s, out2, out) 106 } 107 } 108 } 109 }