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package dhcp6opts
import (
"bytes"
"encoding/binary"
"io"
"reflect"
"testing"
)
func TestAuthenticationMarshalBinary(t *testing.T) {
var tests = []struct {
desc string
buf []byte
authentication *Authentication
}{
{
desc: "all zero values",
buf: bytes.Repeat([]byte{0}, 11),
authentication: &Authentication{},
},
{
desc: "Protocol: 0, Alforithm: 1, RDM: 2, [3, 4, 5, 6, 7, 8, 9, 0xa] ReplayDetection, [0xb, 0xc, 0xd, 0xe, 0xf] AuthenticationInformation",
buf: []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf},
authentication: &Authentication{
Protocol: 0,
Algorithm: 1,
RDM: 2,
ReplayDetection: binary.BigEndian.Uint64([]byte{3, 4, 5, 6, 7, 8, 9, 0xa}),
AuthenticationInformation: []byte{0xb, 0xc, 0xd, 0xe, 0xf},
},
},
}
for i, tt := range tests {
want := tt.buf
got, err := tt.authentication.MarshalBinary()
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(want, got) {
t.Fatalf("[%02d] test %q, unexpected Authentication bytes for MarshalBinary(%v)\n- want: %v\n- got: %v",
i, tt.desc, tt.buf, want, got)
}
}
}
func TestAuthenticationUnmarshalBinary(t *testing.T) {
var tests = []struct {
buf []byte
authentication *Authentication
err error
}{
{
buf: bytes.Repeat([]byte{0}, 10),
err: io.ErrUnexpectedEOF,
},
{
buf: []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf},
authentication: &Authentication{
Protocol: 0,
Algorithm: 1,
RDM: 2,
ReplayDetection: binary.BigEndian.Uint64([]byte{3, 4, 5, 6, 7, 8, 9, 0xa}),
AuthenticationInformation: []byte{0xb, 0xc, 0xd, 0xe, 0xf},
},
},
}
for i, tt := range tests {
authentication := new(Authentication)
if want, got := tt.err, authentication.UnmarshalBinary(tt.buf); want != got {
t.Fatalf("[%02d] unexpected error for parseAuthentication(%v):\n- want: %v\n- got: %v", i, tt.buf, want, got)
}
if tt.err != nil {
continue
}
if want, got := tt.authentication, authentication; !reflect.DeepEqual(want, got) {
t.Fatalf("[%02d] unexpected Authentication for parseAuthentication(%v):\n- want: %v\n- got: %v", i, tt.buf, want, got)
}
}
}
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