* by malformed content types.
   */
  private val contentTypeString: String?,
  private val contentLength: Long,
  private val source: BufferedSource,
) : ResponseBody() {
  override fun contentLength(): Long = contentLength

  override fun contentType(): MediaType? = contentTypeString?.toMediaTypeOrNull()

  override fun source(): BufferedSource = source

    assertPutString(new char[] {'p', HashTestUtils.randomLowSurrogate(new Random())});
  }

  public void testPutStringWithHighSurrogate() {
    // we pad because the dummy hash function we use to test this, merely copies the input into
    // the output, so the input must be at least 32 bits, since the output has to be that long

  @CanIgnoreReturnValue
  PrimitiveSink putShort(short s);

  /** Puts an int into this sink. */
  @CanIgnoreReturnValue
  PrimitiveSink putInt(int i);

  /** Puts a long into this sink. */
  @CanIgnoreReturnValue
  PrimitiveSink putLong(long l);

  /** Puts a float into this sink. */
  @CanIgnoreReturnValue
  PrimitiveSink putFloat(float f);

  /** Puts a double into this sink. */
  @CanIgnoreReturnValue

 */
class Cache internal constructor(
  directory: Path,
  maxSize: Long,
  fileSystem: FileSystem,
  taskRunner: TaskRunner,
) : Closeable,
  Flushable {
  /** Create a cache of at most [maxSize] bytes in [directory]. */
  constructor(
    fileSystem: FileSystem,
    directory: Path,
    maxSize: Long,
  ) : this(
    directory,
    maxSize,
    fileSystem,
    TaskRunner.INSTANCE,

 * subsequent bytes.
 */
internal class TriggerSink(
  private val delegate: Sink,
  private val triggerByteCount: Long,
  private val trigger: () -> Unit,
) : Sink by delegate {
  private var bytesWritten = 0L

  override fun write(
    source: Buffer,
    byteCount: Long,
  ) {
    if (byteCount == 0L) return // Avoid double-triggering.

    if (bytesWritten == triggerByteCount) {

      CallEnd::class,
    )
  }

  private fun assertBytesReadWritten(
    listener: EventRecorder,
    requestHeaderLength: Matcher<Long?>?,
    requestBodyBytes: Matcher<Long?>?,
    responseHeaderLength: Matcher<Long?>?,
    responseBodyBytes: Matcher<Long?>?,
  ) {
    if (requestHeaderLength != null) {
      val responseHeadersEnd = listener.removeUpToEvent<RequestHeadersEnd>()
      MatcherAssert.assertThat(

    Request request = chain.request();

    long t1 = System.nanoTime();
    logger.info(String.format("Sending request %s on %s%n%s",
        request.url(), chain.connection(), request.headers()));

    Response response = chain.proceed(request);

    long t2 = System.nanoTime();
    logger.info(String.format("Received response for %s in %.1fms%n%s",

      object : Source {
        private var cacheRequestClosed = false

        @Throws(IOException::class)
        override fun read(
          sink: Buffer,
          byteCount: Long,
        ): Long {
          val bytesRead: Long
          try {
            bytesRead = source.read(sink, byteCount)
          } catch (e: IOException) {
            if (!cacheRequestClosed) {
              cacheRequestClosed = true

      throw new AssertionError();
    }
  }

  /** Implementation of {@link Futures#getChecked(Future, Class, long, TimeUnit)}. */
  @CanIgnoreReturnValue
  @ParametricNullness
  static <V extends @Nullable Object, X extends Exception> V getChecked(
      Future<V> future, Class<X> exceptionClass, long timeout, TimeUnit unit) throws X {
    // TODO(cpovirk): benchmark a version of this method that accepts a GetCheckedTypeValidator

    for (char value : VALUES) {
      assertThat(Chars.checkedCast((long) value)).isEqualTo(value);
    }
    assertCastFails(GREATEST + 1L);
    assertCastFails(LEAST - 1L);
    assertCastFails(Long.MAX_VALUE);
    assertCastFails(Long.MIN_VALUE);
  }

  public void testSaturatedCast() {
    for (char value : VALUES) {
      assertThat(Chars.saturatedCast((long) value)).isEqualTo(value);
    }