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package dhcp6opts
import (
"bytes"
"io"
"reflect"
"testing"
"github.com/mdlayher/dhcp6"
)
// TestVendorOptsMarshalBinary verifies that VendorOpts marshals properly for the input values.
func TestVendorOptsMarshalBinary(t *testing.T) {
var tests = []struct {
desc string
buf []byte
vendorOpts *VendorOpts
}{
{
desc: "all zero values",
buf: bytes.Repeat([]byte{0}, 4),
vendorOpts: &VendorOpts{},
},
{
desc: "[0, 0, 5, 0x58] EnterpriseNumber, [1: []byte{3, 4}, 2: []byte{0x04, 0xa3, 0x9e}] vendorOpts",
buf: []byte{
0, 0, 5, 0x58,
0, 1, 0, 2, 3, 4,
0, 2, 0, 3, 0x04, 0xa3, 0x9e,
},
vendorOpts: &VendorOpts{
EnterpriseNumber: 1368,
Options: dhcp6.Options{
1: [][]byte{
{3, 4},
},
2: [][]byte{
{0x04, 0xa3, 0x9e},
},
},
},
},
}
for i, tt := range tests {
want := tt.buf
got, err := tt.vendorOpts.MarshalBinary()
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(want, got) {
t.Fatalf("[%02d] test %q, unexpected VendorOpts bytes for MarshalBinary(%v)\n- want: %v\n- got: %v",
i, tt.desc, tt.buf, want, got)
}
}
}
// TestVendorOptsUnmarshalBinary verifies that VendorOpts unmarshals properly for the input values.
func TestVendorOptsUnmarshalBinary(t *testing.T) {
var tests = []struct {
buf []byte
vendorOpts *VendorOpts
err error
}{
{
buf: bytes.Repeat([]byte{0}, 3),
err: io.ErrUnexpectedEOF,
},
{
buf: []byte{
0, 0, 5, 0x58,
0, 1, 0, 0xa,
},
err: dhcp6.ErrInvalidPacket,
},
{
buf: []byte{
0, 0, 5, 0x58,
0, 1, 0, 2, 3, 4,
0, 2, 0, 3, 0x04, 0xa3, 0x9e,
},
vendorOpts: &VendorOpts{
EnterpriseNumber: 1368,
Options: dhcp6.Options{
1: [][]byte{
{3, 4},
},
2: [][]byte{
{0x04, 0xa3, 0x9e},
},
},
},
},
}
for i, tt := range tests {
vendorOpts := new(VendorOpts)
if want, got := tt.err, vendorOpts.UnmarshalBinary(tt.buf); want != got {
t.Fatalf("[%02d] unexpected error for parseVendorOpts(%v):\n- want: %v\n- got: %v", i, tt.buf, want, got)
}
if tt.err != nil {
continue
}
if want, got := tt.vendorOpts, vendorOpts; !reflect.DeepEqual(want, got) {
t.Fatalf("[%02d] unexpected VendorOpts for parseVendorOpts(%v):\n- want: %v\n- got: %v", i, tt.buf, want, got)
}
}
}
|
