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package dhcp6opts
import (
"bytes"
"io"
"reflect"
"testing"
)
func TestRemoteIdentifierMarshalBinary(t *testing.T) {
var tests = []struct {
desc string
buf []byte
remoteIdentifier *RemoteIdentifier
}{
{
desc: "all zero values",
buf: bytes.Repeat([]byte{0}, 5),
remoteIdentifier: &RemoteIdentifier{
RemoteID: []byte{0},
},
},
{
desc: "[0, 0, 5, 0x58] EnterpriseNumber, [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0xa, 0xb, 0xc, 0xe, 0xf] RemoteID",
buf: []byte{0, 0, 5, 0x58, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0xa, 0xb, 0xc, 0xe, 0xf},
remoteIdentifier: &RemoteIdentifier{
EnterpriseNumber: 1368,
RemoteID: []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0xa, 0xb, 0xc, 0xe, 0xf},
},
},
}
for i, tt := range tests {
want := tt.buf
got, err := tt.remoteIdentifier.MarshalBinary()
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(want, got) {
t.Fatalf("[%02d] test %q, unexpected RemoteIdentifier bytes for MarshalBinary(%v)\n- want: %v\n- got: %v",
i, tt.desc, tt.buf, want, got)
}
}
}
func TestRemoteIdentifierUnmarshalBinary(t *testing.T) {
var tests = []struct {
buf []byte
remoteIdentifier *RemoteIdentifier
err error
}{
{
buf: []byte{0, 0, 5, 0x58, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0xa, 0xb, 0xc, 0xe, 0xf},
remoteIdentifier: &RemoteIdentifier{
EnterpriseNumber: 1368,
RemoteID: []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0xa, 0xb, 0xc, 0xe, 0xf},
},
},
{
buf: bytes.Repeat([]byte{0}, 4),
err: io.ErrUnexpectedEOF,
},
}
for i, tt := range tests {
remoteIdentifier := new(RemoteIdentifier)
if want, got := tt.err, remoteIdentifier.UnmarshalBinary(tt.buf); want != got {
t.Fatalf("[%02d] unexpected error for parseRemoteIdentifier(%v):\n- want: %v\n- got: %v", i, tt.buf, want, got)
}
if tt.err == nil {
if want, got := tt.remoteIdentifier, remoteIdentifier; !reflect.DeepEqual(want, got) {
t.Fatalf("[%02d] unexpected RemoteIdentifier for parseRemoteIdentifier(%v):\n- want: %v\n- got: %v", i, tt.buf, want, got)
}
}
}
}
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