Mapping(0x0233, 0x0239, TYPE_VALID, ByteString.EMPTY),
      Mapping(0x023a, 0x023a, TYPE_MAPPED, "b".encodeUtf8()),
    )
  }

  @Test fun simplifyDoesNotCombineWhenMappedTargetsAreDifferent() {
    assertThat(
      mergeAdjacentRanges(
        listOf(
          Mapping(0x0041, 0x0041, TYPE_MAPPED, "a".encodeUtf8()),
          Mapping(0x0042, 0x0042, TYPE_MAPPED, "b".encodeUtf8()),
        ),
      ),

 *    119 : Ignored.
 *    120 : Valid.
 *    121 : Disallowed
 *    122 : Mapped inline to the sequence: [b2].
 *    123 : Mapped inline to the sequence: [b2a].
 *    124 : Mapped inline to the sequence: [b2, b3].
 *    125 : Mapped inline to the sequence: [b2a, b3].
 *    126 : Mapped inline to the sequence: [b2, b3a].
 *    127 : Mapped inline to the sequence: [b2a, b3a].
 *
 * The range goes until the beginning of the next range.

  return buildString {
    append("-----BEGIN CERTIFICATE-----\n")
    encodeBase64Lines(encoded.toByteString())
    append("-----END CERTIFICATE-----\n")
  }
}

internal fun StringBuilder.encodeBase64Lines(data: ByteString) {
  val base64 = data.base64()
  for (i in 0 until base64.length step 64) {
    append(base64, i, minOf(i + 64, base64.length)).append('\n')
  }

  fun escapeForUri(vararg codePoints: Int) =
    apply {
      uriEscapedCodePoints.append(String(*codePoints))
    }

  /**
   * Configure code points to be stripped in conversion to `java.net.URI`. That class is more
   * strict than the others.
   */
  fun stripForUri(vararg codePoints: Int) =
    apply {
      uriStrippedCodePoints.append(String(*codePoints))
    }

  override fun test(
    codePoint: Int,

      // The names are repetitive so re-use the same builder to avoid allocations.
      val fileBuilder = StringBuilder(key).append('.')
      val truncateTo = fileBuilder.length
      for (i in 0 until valueCount) {
        fileBuilder.append(i)
        cleanFiles += directory / fileBuilder.toString()
        fileBuilder.append(".tmp")
        dirtyFiles += directory / fileBuilder.toString()
        fileBuilder.setLength(truncateTo)
      }

0046          ; mapped                 ; 0066          # 1.1  LATIN CAPITAL LETTER F
0047          ; mapped                 ; 0067          # 1.1  LATIN CAPITAL LETTER G
0048          ; mapped                 ; 0068          # 1.1  LATIN CAPITAL LETTER H
0049          ; mapped                 ; 0069          # 1.1  LATIN CAPITAL LETTER I
004A          ; mapped                 ; 006A          # 1.1  LATIN CAPITAL LETTER J

  private fun cookieHeader(cookies: List<Cookie>): String =
    buildString {
      cookies.forEachIndexed { index, cookie ->
        if (index > 0) append("; ")
        append(cookie.name).append('=').append(cookie.value)
      }
    }

  @Throws(IOException::class)
  fun trailers(): Headers

  /**
   * Cancel this stream. Resources held by this stream will be cleaned up, though not synchronously.
   * That may happen later by the connection pool thread.
   */
  fun cancel()

  /**
   * Carries an exchange. This is usually a connection, but it could also be a connect plan for

    assertThat(client.connectionPool.connectionCount()).isEqualTo(1)
  }

  /**
   * This is an extraordinary test case. Here's what it's trying to simulate.
   * - 2 requests happen concurrently to a host that can be coalesced onto a single connection.
   * - Both request discover no existing connection. They both make a connection.
   * - The first request "wins the race".

    // 2.
    "disallowed_STD3_mapped ".encodeUtf8(),
    // 3.
    "disallowed_STD3_valid ".encodeUtf8(),
    // 4.
    "ignored ".encodeUtf8(),
    // 5.
    "mapped ".encodeUtf8(),
    // 6.
    "valid ".encodeUtf8(),
  )

internal const val TYPE_DEVIATION = 0
internal const val TYPE_DISALLOWED = 1
internal const val TYPE_DISALLOWED_STD3_MAPPED = 2