lnd.xprv/lnwire/channel_update_test.go
2017-04-17 16:20:21 -07:00

46 lines
1.2 KiB
Go

package lnwire
import (
"bytes"
"reflect"
"testing"
)
func TestChannelUpdateEncodeDecode(t *testing.T) {
cua := &ChannelUpdate{
Signature: someSig,
ShortChannelID: someShortChannelID,
Timestamp: maxUint32,
Flags: maxUint16,
TimeLockDelta: maxUint16,
HtlcMinimumMsat: maxUint32,
FeeBaseMsat: maxUint32,
FeeProportionalMillionths: maxUint32,
}
// Next encode the CUA message into an empty bytes buffer.
var b bytes.Buffer
if err := cua.Encode(&b, 0); err != nil {
t.Fatalf("unable to encode ChannelUpdate: %v", err)
}
// Ensure the max payload estimate is correct.
serializedLength := uint32(b.Len())
if serializedLength != cua.MaxPayloadLength(0) {
t.Fatalf("payload length estimate is incorrect: expected %v "+
"got %v", serializedLength, cua.MaxPayloadLength(0))
}
// Deserialize the encoded CUA message into a new empty struct.
cua2 := &ChannelUpdate{}
if err := cua2.Decode(&b, 0); err != nil {
t.Fatalf("unable to decode ChannelUpdateAnnouncement: %v", err)
}
// Assert equality of the two instances.
if !reflect.DeepEqual(cua, cua2) {
t.Fatalf("encode/decode error messages don't match %#v vs %#v",
cua, cua2)
}
}