}

  class DelayingSocketFactory(
    val onConnect: Socket.(timeout: Int) -> Unit = {},
    val onRead: Socket.() -> Unit = {},
    val onWrite: Socket.() -> Unit = {},
  ) : DelegatingSocketFactory(getDefault()) {
    override fun createSocket(): Socket {
      return object : Socket() {
        override fun connect(
          endpoint: SocketAddress?,

		for j := 0; j < len(bufsizes); j++ {
			nwrite := bufsizes[i]
			bs := bufsizes[j]

			// Write nwrite bytes using buffer size bs.
			// Check that the right amount makes it out
			// and that the data is correct.

			w.Reset()
			buf := NewWriterSize(w, bs)
			context := fmt.Sprintf("nwrite=%d bufsize=%d", nwrite, bs)
			n, e1 := buf.Write(data[0:nwrite])
			if e1 != nil || n != nwrite {