apply {
      encodings[ 0x0] = encoding // Null character
      encodings[ 0x1] = encoding // Start of Header
      encodings[ 0x2] = encoding // Start of Text
      encodings[ 0x3] = encoding // End of Text
      encodings[ 0x4] = encoding // End of Transmission
      encodings[ 0x5] = encoding // Enquiry
      encodings[ 0x6] = encoding // Acknowledgment
      encodings[ 0x7] = encoding // Bell

    codePointString: String,
    encoding: UrlComponentEncodingTester.Encoding,
    component: Component,
  ) {
    testToUrl(codePoint, encoding, component)
    testFromUrl(codePoint, encoding, component)
    testUri(codePoint, codePointString, encoding, component)
  }

  private fun testToUrl(
    codePoint: Int,
    encoding: UrlComponentEncodingTester.Encoding,
    component: Component,
  ) {

    if (c == '%' || c == '+' && plusIsSpace) {
      // Slow path: the character at i requires decoding!
      val out = Buffer()
      out.writeUtf8(this, pos, i)
      out.writePercentDecoded(this, pos = i, limit = limit, plusIsSpace = plusIsSpace)
      return out.readUtf8()
    }
  }

  // Fast path: no characters in [pos..limit) required decoding.
  return substring(pos, limit)
}

internal fun String.isPercentEncoded(

/**
 * Streaming decoder of data encoded following Abstract Syntax Notation One (ASN.1). There are
 * multiple variants of ASN.1, including:
 *
 *  * DER: Distinguished Encoding Rules. This further constrains ASN.1 for deterministic encoding.
 *  * BER: Basic Encoding Rules.
 *
 * This class was implemented according to the [X.690 spec][[x690]], and under the advice of
 * [Lets Encrypt's ASN.1 and DER][asn1_and_der] guide.
 *

      Request originalRequest = chain.request();
      if (originalRequest.body() == null || originalRequest.header("Content-Encoding") != null) {
        return chain.proceed(originalRequest);
      }

      Request compressedRequest = originalRequest.newBuilder()
          .header("Content-Encoding", "gzip")
          .method(originalRequest.method(), gzip(originalRequest.body()))
          .build();

    assertThat(response.body.string()).isEqualTo("hello, OkHttp")

    val recorded = server.takeRequest()
    assertThat(recorded.headers["Accept"]).isEqualTo("text/plain")
    assertThat(recorded.headers["Accept-Encoding"]).isEqualTo("gzip")
    assertThat(recorded.headers["Connection"]).isEqualTo("Keep-Alive")
    assertThat(recorded.headers["User-Agent"]!!).matches(Regex("okhttp/.*"))
  }

        .addHeader("Expires: " + formatDate(-1, TimeUnit.HOURS))
        .addHeader("Content-Encoding: gzip")
        .build(),
    )
    server.enqueue(
      MockResponse.Builder()
        .code(HttpURLConnection.HTTP_NOT_MODIFIED)
        .addHeader("Content-Type: text/plain")
        .addHeader("Content-Encoding: identity")
        .build(),
    )
    server.enqueue(
      MockResponse.Builder()

  /** https://github.com/square/okhttp/issues/7738 */
  @Test
  fun testDecompressBomb() {
    val response =
      Response.Builder()
        .code(200)
        .message("OK")
        .header("Content-Encoding", "br")
        .request(Request.Builder().url("https://example.com/").build())
        .body(readBrotli10G().toResponseBody())
        .protocol(Protocol.HTTP_2)
        .build()

   *
   * ```
   * 0bxx0xxxxx Primitive
   * 0bxx1xxxxx Constructed
   * ```
   */
  var constructed: Boolean,
  /** Length of the message in bytes, or -1L if its length is unknown at the time of encoding. */
  var length: Long,
) {
  val isEndOfData: Boolean
    get() = tagClass == TAG_CLASS_UNIVERSAL && tag == TAG_END_OF_CONTENTS

  // Avoid Long.hashCode(long) which isn't available on Android 5.

        .clearHeaders()
        .addHeader("Transfer-encoding: chunked")
        .build(),
    )
    getResponse(newRequest("/")).use { response -> assertContent("ABCDE", response) }
  }

  @Test
  fun missingChunkBody() {
    server.enqueue(
      MockResponse.Builder()
        .body("5")
        .clearHeaders()
        .addHeader("Transfer-encoding: chunked")
        .socketPolicy(DisconnectAtEnd)