}

  @Test
  fun truncatedMetadataEntry() {
    val response =
      testCorruptingCache {
        corruptMetadata {
          // truncate metadata to 1/4 of length
          it.substring(0, it.length / 4)
        }
      }

    assertThat(response.body.string()).isEqualTo("ABC.2") // not cached
    assertThat(cache.requestCount()).isEqualTo(2)

        val start = nextOutFrame.start
        var truncated: Boolean
        var end: Long
        if (outFramesIterator.hasNext()) {
          nextOutFrame = outFramesIterator.next()
          end = nextOutFrame.start
          truncated = false
        } else {
          end = outBytes.size.toLong()
          truncated = nextOutFrame.truncated
        }

        // Write a frame.

   * was empty or unchunked.
   */
  val chunkSizes: List<Int>,
  /** The total size of the body of this POST request (before truncation).*/
  val bodySize: Long,
  /** The body of this POST request. This may be truncated. */
  val body: Buffer,
  /**
   * The index of this request on its HTTP connection. Since a single HTTP connection may serve
   * multiple requests, each request is assigned its own sequence number.
   */

    assertInvalid("HTTP/1.1 2000 OK")
    assertInvalid("HTTP/1.1 two OK")
    assertInvalid("HTTP/1.1 2")
    assertInvalid("HTTP/1.1 2000")
    assertInvalid("HTTP/1.1 two")
  }

  @Test
  fun truncated() {
    assertInvalid("")
    assertInvalid("H")
    assertInvalid("HTTP/1")
    assertInvalid("HTTP/1.")
    assertInvalid("HTTP/1.1")
    assertInvalid("HTTP/1.1 ")
    assertInvalid("HTTP/1.1 2")

    }
  }

  private fun runTest(
    number: Long,
    count: Long,
  ) {
    val latch = CountDownLatch(1)
    val startNanos = AtomicLong()
    newWebSocket(
      "/runCase?case=$number&agent=okhttp",
      object : WebSocketListener() {
        override fun onOpen(
          webSocket: WebSocket,
          response: Response,
        ) {

      if (Character.isISOControl(codePoint) && !Character.isWhitespace(codePoint)) {
        return false
      }
    }
    return true
  } catch (_: EOFException) {
    return false // Truncated UTF-8 sequence.
  }