assertThat(parse("permessage-deflate; unknown_parameter=15; unknown_parameter=15"))
      .isEqualTo(WebSocketExtensions(perMessageDeflate = true, unknownValues = true))
  }

  @Test
  fun unexpectedValue() {
    assertThat(parse("permessage-deflate; client_no_context_takeover=true"))
      .isEqualTo(
        WebSocketExtensions(
          perMessageDeflate = true,
          clientNoContextTakeover = true,

                    clientMaxWindowBits = value?.toIntOrNull()
                    if (clientMaxWindowBits == null) unexpectedValues = true // Not an int!
                  }
                  name.equals("client_no_context_takeover", ignoreCase = true) -> {
                    if (clientNoContextTakeover) unexpectedValues = true // Repeated parameter!