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package dhcpv4
import (
"net"
"testing"
"github.com/stretchr/testify/require"
)
func TestOptServerIdentifierInterfaceMethods(t *testing.T) {
ip := net.IP{192, 168, 0, 1}
o := OptServerIdentifier{ServerID: ip}
require.Equal(t, OptionServerIdentifier, o.Code(), "Code")
expectedBytes := []byte{192, 168, 0, 1}
require.Equal(t, expectedBytes, o.ToBytes(), "ToBytes")
require.Equal(t, "Server Identifier -> 192.168.0.1", o.String(), "String")
}
func TestParseOptServerIdentifier(t *testing.T) {
var (
o *OptServerIdentifier
err error
)
o, err = ParseOptServerIdentifier([]byte{})
require.Error(t, err, "empty byte stream")
o, err = ParseOptServerIdentifier([]byte{192, 168, 0})
require.Error(t, err, "wrong IP length")
o, err = ParseOptServerIdentifier([]byte{192, 168, 0, 1})
require.NoError(t, err)
require.Equal(t, net.IP{192, 168, 0, 1}, o.ServerID)
}
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