libgo/go/net/mac_test.go

   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 mactests = []struct {
  14         in  string
  15         out HardwareAddr
  16         err string
  17 }{
  18         {"01:23:45:67:89:AB", HardwareAddr{1, 0x23, 0x45, 0x67, 0x89, 0xab}, ""},
  19         {"01-23-45-67-89-AB", HardwareAddr{1, 0x23, 0x45, 0x67, 0x89, 0xab}, ""},
  20         {"0123.4567.89AB", HardwareAddr{1, 0x23, 0x45, 0x67, 0x89, 0xab}, ""},
  21         {"ab:cd:ef:AB:CD:EF", HardwareAddr{0xab, 0xcd, 0xef, 0xab, 0xcd, 0xef}, ""},
  22         {"01.02.03.04.05.06", nil, "invalid MAC address"},
  23         {"01:02:03:04:05:06:", nil, "invalid MAC address"},
  24         {"x1:02:03:04:05:06", nil, "invalid MAC address"},
  25         {"01002:03:04:05:06", nil, "invalid MAC address"},
  26         {"01:02003:04:05:06", nil, "invalid MAC address"},
  27         {"01:02:03004:05:06", nil, "invalid MAC address"},
  28         {"01:02:03:04005:06", nil, "invalid MAC address"},
  29         {"01:02:03:04:05006", nil, "invalid MAC address"},
  30         {"01-02:03:04:05:06", nil, "invalid MAC address"},
  31         {"01:02-03-04-05-06", nil, "invalid MAC address"},
  32         {"0123:4567:89AF", nil, "invalid MAC address"},
  33         {"0123-4567-89AF", nil, "invalid MAC address"},
  34         {"01:23:45:67:89:AB:CD:EF", HardwareAddr{1, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef}, ""},
  35         {"01-23-45-67-89-AB-CD-EF", HardwareAddr{1, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef}, ""},
  36         {"0123.4567.89AB.CDEF", HardwareAddr{1, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef}, ""},
  37 }
  38
  39 func match(err error, s string) bool {
  40         if s == "" {
  41                 return err == nil
  42         }
  43         return err != nil && strings.Contains(err.Error(), s)
  44 }
  45
  46 func TestMACParseString(t *testing.T) {
  47         for i, tt := range mactests {
  48                 out, err := ParseMAC(tt.in)
  49                 if !reflect.DeepEqual(out, tt.out) || !match(err, tt.err) {
  50                         t.Errorf("ParseMAC(%q) = %v, %v, want %v, %v", tt.in, out, err, tt.out,
  51                                 tt.err)
  52                 }
  53                 if tt.err == "" {
  54                         // Verify that serialization works too, and that it round-trips.
  55                         s := out.String()
  56                         out2, err := ParseMAC(s)
  57                         if err != nil {
  58                                 t.Errorf("%d. ParseMAC(%q) = %v", i, s, err)
  59                                 continue
  60                         }
  61                         if !reflect.DeepEqual(out2, out) {
  62                                 t.Errorf("%d. ParseMAC(%q) = %v, want %v", i, s, out2, out)
  63                         }
  64                 }
  65         }
  66 }