val body = "\u0800".toRequestBody(contentType)
    assertThat(body.contentType()).isEqualTo("text/plain; charset=utf-8".toMediaType())
    assertThat(body.contentLength()).isEqualTo(3)
    assertThat(bodyToHex(body)).isEqualTo("e0a080")
  }

  @Test
  fun stringWithNonDefaultCharsetSpecified() {
    val contentType = "text/plain; charset=utf-16be".toMediaType()
    val body = "\u0800".toRequestBody(contentType)

  }

  @Test
  fun fragmentNonAsciiThatOffendsJavaNetUri() {
    val url = "http://host/#\u0080".toHttpUrl()
    assertThat(url.toString()).isEqualTo("http://host/#\u0080")
    assertThat(url.fragment).isEqualTo("\u0080")
    assertThat(url.encodedFragment).isEqualTo("\u0080")
    // Control characters may be stripped!
    assertThat(url.toUri()).isEqualTo(URI("http://host/#"))
  }

  @Test

  }

  @Test
  fun fragmentPercentEncodedNonAscii() {
    val url = parse("http://host/#%C2%80")
    assertThat(url.toString()).isEqualTo("http://host/#%C2%80")
    assertThat(url.fragment).isEqualTo("\u0080")
    assertThat(url.encodedFragment).isEqualTo("%C2%80")
  }

  @Test
  fun fragmentPercentEncodedPartialCodePoint() {
    val url = parse("http://host/#%80")

   30000-3FFFD
   40000-4FFFD
   50000-5FFFD
   60000-6FFFD
   70000-7FFFD
   80000-8FFFD
   90000-9FFFD
   A0000-AFFFD
   B0000-BFFFD
   C0000-CFFFD
   D0000-DFFFD
   E0000
   E0002-E001F

    assertThat(client.processNextFrame()).isFalse()
    client.listener.assertClosing(1000, "Bye!")
  }

  @Test
  fun protocolErrorBeforeCloseSendsFailure() {
    server.sink.write("0a00".decodeHex()).emit() // Invalid non-final ping frame.
    client.processNextFrame() // Detects error, send close, close connection.
    taskFaker.runTasks()
    client.webSocket!!.finishReader()

      perMessageDeflate = true,
      noContextTakeover = false,
    )

  @AfterEach fun tearDown() {
    callback.assertExhausted()
  }

  @Test fun controlFramesMustBeFinal() {
    data.write("0a00".decodeHex()) // Empty pong.
    assertFailsWith<ProtocolException> {
      clientReader.processNextFrame()
    }.also { expected ->
      assertThat(expected.message)
        .isEqualTo("Control frames must be final.")

   E0001; LANGUAGE TAG

   * code itself encoded as UTF-8 sequence.
   */
  @Test fun prohibitionSurrogateCodes() {
    // UTF-8 encoding of the high surrogate U+D800.
    assertThat(stringPrep(Buffer().write("eda080".decodeHex()))).isNull()
  }

  @Test fun prohibitionInappropriateForPlainText() {
    assertThat(stringPrep("\ufff9")).isNull()
    assertThat(stringPrep("\ufffc")).isNull()
  }

  }

  @Test fun ignored() {
    assertThat("\u200b".map()).isEqualTo("")
    assertThat("\ufeff".map()).isEqualTo("")
  }

  @Test fun disallowed() {
    assertThat("\u0080".mapExpectingErrors()).isEqualTo("\u0080")
  }

  @Test fun disallowedStd3Valid() {
    assertThat("_".map()).isEqualTo("_")
    assertThat("/".map()).isEqualTo("/")
    assertThat("≠".map()).isEqualTo("≠")
  }

   E000-F8FF; [PRIVATE USE, PLANE 0]
   F0000-FFFFD; [PRIVATE USE, PLANE 15]