// call get() twice to make sure that memoization doesn't interfere
    // with throwing the exception
    for (int i = 0; i < 2; i++) {
      try {
        memoizedSupplier.get();
        fail("failed to throw NullPointerException");
      } catch (NullPointerException e) {
        // this is what should happen
      }
    }
  }

  @J2ktIncompatible
  @GwtIncompatible // SerializableTester

          Function<? super T, ? extends V> valueFunction) {
    checkNotNull(comparator);
    checkNotNull(keyFunction);
    checkNotNull(valueFunction);
    /*
     * We will always fail if there are duplicate keys, and the keys are always sorted by
     * the Comparator, so the entries can come in an arbitrary order -- so we report UNORDERED.
     */
    return Collector.of(

   *
   * The deadline to respond to this ping attempts to limit the cost of being wrong. If it is too
   * long, streams created while we await the pong will reuse broken connections and inevitably
   * fail. If it is too short, slow connections will be marked as failed and extra TCP and TLS
   * handshakes will be required.
   *
   * The deadline is currently hardcoded. We may make this configurable in the future!
   */

     * this client silently recovers from the following problems:
     *
     * * **Unreachable IP addresses.** If the URL's host has multiple IP addresses,
     *   failure to reach any individual IP address doesn't fail the overall request. This can
     *   increase availability of multi-homed services.
     *
     * * **Stale pooled connections.** The [ConnectionPool] reuses sockets

    }

    @Test
    void copiesOutputIntoProvidedBufferAndBlocksGetOutputData() throws Exception {
        // When an output buffer is provided, bytes are copied and getOutputData(Class) should fail.
        byte[] header = buildHeader(NtStatus.NT_STATUS_SUCCESS);
        byte[] output = new byte[] { 1, 2, 3, 4, 5 };

    /**
     * Cache control request directives that uses the cache only, even if the cached response is
     * stale. If the response isn't available in the cache or requires server validation, the call
     * will fail with a `504 Unsatisfiable Request`.
     */
    @JvmField
    val FORCE_CACHE = commonForceCache()

    /**
     * Returns the cache directives of [headers]. This honors both Cache-Control and Pragma headers

 * descriptor ACEs:
 * <pre>
 * Allow WNET\alice     0x001200A9  Direct
 * Allow Administrators 0x001F01FF  Inherited
 * Allow SYSTEM         0x001F01FF  Inherited
 * </pre>
 * the access check would fail because the direct ACE has an access mask
 * of <code>0x001200A9</code> which doesn't have the
 * <code>FILE_WRITE_DATA</code> bit on (bit <code>0x00000002</code>). Actually, this isn't quite correct. If

          // javax.net.ssl.SSLException: readRecord
        }
        is SocketException -> {
          // Conscrypt, JDK 8 (>= 292), JDK 9
        }
        is ConnectionShutdownException -> {
          // It didn't fail until it reached the application layer.
        }
        else -> {
          assertThat(expected.message).isEqualTo("exhausted all routes")
        }
      }
    }
  }

  @Test

    // order, not in increasing index order.
    val codePoints = mutableListOf<Int>()

    // consume all code points before the last delimiter (if there is one)
    //  and copy them to output, fail on any non-basic code point
    val lastDelimiter = string.lastIndexOf('-', limit)
    if (lastDelimiter >= pos) {
      while (pos < lastDelimiter) {
        when (val codePoint = string[pos++]) {

   * @return the number of exceptions that were suppressed on the expected thrown exception
   */
  private static int runSuppressionFailureTest(CharSource in, CharSink out) {
    try {
      in.copyTo(out);
      fail();
    } catch (IOException expected) {
      return expected.getSuppressed().length;
    }
    throw new AssertionError(); // can't happen
  }

  private static CharSource newNormalCharSource() {