1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
package dhcpv4
import (
"testing"
"github.com/stretchr/testify/require"
)
func TestOptMaximumDHCPMessageSizeInterfaceMethods(t *testing.T) {
o := OptMaximumDHCPMessageSize{Size: 1500}
require.Equal(t, OptionMaximumDHCPMessageSize, o.Code(), "Code")
require.Equal(t, 2, o.Length(), "Length")
require.Equal(t, []byte{57, 2, 5, 220}, o.ToBytes(), "ToBytes")
}
func TestParseOptMaximumDHCPMessageSize(t *testing.T) {
data := []byte{57, 2, 5, 220} // DISCOVER
o, err := ParseOptMaximumDHCPMessageSize(data)
require.NoError(t, err)
require.Equal(t, &OptMaximumDHCPMessageSize{Size: 1500}, o)
// Short byte stream
data = []byte{57, 2}
_, err = ParseOptMaximumDHCPMessageSize(data)
require.Error(t, err, "should get error from short byte stream")
// Wrong code
data = []byte{54, 2, 1, 1}
_, err = ParseOptMaximumDHCPMessageSize(data)
require.Error(t, err, "should get error from wrong code")
// Bad length
data = []byte{57, 3, 1, 1, 1}
_, err = ParseOptMaximumDHCPMessageSize(data)
require.Error(t, err, "should get error from bad length")
}
func TestOptMaximumDHCPMessageSizeString(t *testing.T) {
o := OptMaximumDHCPMessageSize{Size: 1500}
require.Equal(t, "Maximum DHCP Message Size -> 1500", o.String())
}
|
