}.also { expected ->
      assertThat(expected.message).isEqualTo("Code must be in range [1000,5000): 98724976")
    }
  }

  @Test fun closeReservedThrows() {
    assertFailsWith<IllegalArgumentException> {
      clientWriter.writeClose(1005, "Hello".encodeUtf8())
    }.also { expected ->
      assertThat(expected.message).isEqualTo("Code 1005 is reserved and may not be used.")
    }
  }

  @Test fun serverEmptyPing() {

   *
   * Note that transport-layer success (receiving a HTTP response code, headers and body) does not
   * necessarily indicate application-layer success: `response` may still indicate an unhappy HTTP
   * response code like 404 or 500.
   */
  @Throws(IOException::class)
  fun onResponse(
    call: Call,
    response: Response,
  )

    assertThat(formatDuration(  -998_500_000L)).isEqualTo("-999 ms")
    assertThat(formatDuration(  -998_499_999L)).isEqualTo("-998 ms")
    assertThat(formatDuration(    -1_499_999L)).isEqualTo(" -1 ms")
    assertThat(formatDuration(      -999_500L)).isEqualTo(" -1 ms")
    assertThat(formatDuration(      -999_499L)).isEqualTo("-999 µs")
    assertThat(formatDuration(      -998_500L)).isEqualTo("-999 µs")

   00A0; NO-BREAK SPACE
   1680; OGHAM SPACE MARK
   2000; EN QUAD
   2001; EM QUAD
   2002; EN SPACE
   2003; EM SPACE
   2004; THREE-PER-EM SPACE
   2005; FOUR-PER-EM SPACE
   2006; SIX-PER-EM SPACE
   2007; FIGURE SPACE
   2008; PUNCTUATION SPACE
   2009; THIN SPACE
   200A; HAIR SPACE
   200B; ZERO WIDTH SPACE
   202F; NARROW NO-BREAK SPACE
   205F; MEDIUM MATHEMATICAL SPACE

   *
   * Note that transport-layer success (receiving a HTTP response code, headers and body) does not
   * necessarily indicate application-layer success: `response` may still indicate an unhappy HTTP
   * response code like 404 or 500.
   *
   * @throws IOException if the request could not be executed due to cancellation, a connectivity
   *     problem or timeout. Because networks can fail during an exchange, it is possible that the

          i++
          keyIndex++
        }
      }
    } while (cursor.next() != -1)
  }

  fun closeCodeExceptionMessage(code: Int): String? {
    return if (code < 1000 || code >= 5000) {
      "Code must be in range [1000,5000): $code"
    } else if (code in 1004..1006 || code in 1015..2999) {
      "Code $code is reserved and may not be used."
    } else {
      null
    }
  }

   210A-2113
   2115
   2119-211D
   2124
   2126
   2128
   212A-212D
   212F-2131
   2133-2139
   213D-213F
   2145-2149
   2160-2183
   2336-237A
   2395
   249C-24E9
   3005-3007
   3021-3029
   3031-3035
   3038-303C
   3041-3096
   309D-309F
   30A1-30FA
   30FC-30FF
   3105-312C
   3131-318E
   3190-31B7
   31F0-321C
   3220-3243
   3260-327B