package utp_test import ( "context" "testing" "github.com/v2fly/v2ray-core/v5/common" "github.com/v2fly/v2ray-core/v5/common/buf" . "github.com/v2fly/v2ray-core/v5/transport/internet/headers/utp" ) func TestUTPWrite(t *testing.T) { content := []byte{'a', 'b', 'c', 'd', 'e', 'f', 'g'} utpRaw, err := New(context.Background(), &Config{}) common.Must(err) utp := utpRaw.(*UTP) payload := buf.New() utp.Serialize(payload.Extend(utp.Size())) payload.Write(content) if payload.Len() != int32(len(content))+utp.Size() { t.Error("unexpected payload length: ", payload.Len()) } }