}

  @Test
  fun noExtensionHeader() {
    assertThat(WebSocketExtensions.parse(headersOf()))
      .isEqualTo(WebSocketExtensions())
  }

  @Test
  fun emptyExtension() {
    assertThat(parse(", permessage-deflate"))
      .isEqualTo(WebSocketExtensions(perMessageDeflate = true, unknownValues = true))
  }

  @Test
  fun unknownExtension() {
    assertThat(parse("unknown-ext"))