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// 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)
}
}
}
}