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package dhcpv6
import (
"net"
"testing"
"github.com/stretchr/testify/require"
)
func TestOptIAAddressParse(t *testing.T) {
ipaddr := []byte{0x24, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}
data := append(ipaddr, []byte{
0xa, 0xb, 0xc, 0xd, // preferred lifetime
0xe, 0xf, 0x1, 0x2, // valid lifetime
0, 8, 0, 2, 0xaa, 0xbb, // options
}...)
opt, err := ParseOptIAAddress(data)
require.NoError(t, err)
require.Equal(t, 30, opt.Length())
require.Equal(t, net.IP(ipaddr), opt.IPv6Addr)
require.Equal(t, uint32(0x0a0b0c0d), opt.PreferredLifetime)
require.Equal(t, uint32(0x0e0f0102), opt.ValidLifetime)
}
func TestOptIAAddressParseInvalidTooShort(t *testing.T) {
data := []byte{
0x24, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
0xa, 0xb, 0xc, 0xd, // preferred lifetime
// truncated here
}
_, err := ParseOptIAAddress(data)
require.Error(t, err)
}
func TestOptIAAddressParseInvalidBrokenOptions(t *testing.T) {
data := []byte{
0x24, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
0xa, 0xb, 0xc, 0xd, // preferred lifetime
0xe, 0xf, 0x1, 0x2, // valid lifetime
0, 8, 0, 2, 0xaa, // broken options
}
_, err := ParseOptIAAddress(data)
require.Error(t, err)
}
func TestOptIAAddressToBytes(t *testing.T) {
expected := []byte{
0, 5, // OptionIAAddr
0, 30, // length
}
ipBytes := []byte{0x24, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}
expected = append(expected, ipBytes...)
expected = append(expected, []byte{
0xa, 0xb, 0xc, 0xd, // preferred lifetime
0xe, 0xf, 0x1, 0x2, // valid lifetime
0, 8, 0, 2, 0xaa, 0xbb, // options
}...)
opt := OptIAAddress{
IPv6Addr: net.IP(ipBytes),
PreferredLifetime: 0x0a0b0c0d,
ValidLifetime: 0x0e0f0102,
Options: []Option{
&OptElapsedTime{
ElapsedTime: 0xaabb,
},
},
}
require.Equal(t, expected, opt.ToBytes())
}
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