* For example, the cache may evict an entry because it hasn't been used recently or very often.
   *
   * <p>If {@code maximumSize} is zero, elements will be evicted immediately after being loaded into
   * cache. This can be useful in testing, or to disable caching temporarily.
   *
   * <p>This feature cannot be used in conjunction with {@link #maximumWeight}.

   * Future}.
   *
   * <p>Usage example:
   *
   * {@snippet :
   * ListenableFuture<Integer> fetchCounterFuture = ...;
   *
   * // Falling back to a zero counter in case an exception happens when
   * // processing the RPC to fetch counters.
   * ListenableFuture<Integer> faultTolerantFuture = Futures.catching(

    // hair space
    assertThat(parse("http://h/\u200a").encodedPath).isEqualTo("/%E2%80%8A")
    // zero-width space
    assertThat(parse("http://h/\u200b").encodedPath).isEqualTo("/%E2%80%8B")
    // zero-width non-joiner
    assertThat(parse("http://h/\u200c").encodedPath).isEqualTo("/%E2%80%8C")
    // zero-width joiner
    assertThat(parse("http://h/\u200d").encodedPath).isEqualTo("/%E2%80%8D")
    // left-to-right mark

   * is fine with that.
   */

  /**
   * Ensures that {@code index} specifies a valid <i>element</i> in an array, list or string of size
   * {@code size}. An element index may range from zero, inclusive, to {@code size}, exclusive.
   *
   * @param index a user-supplied index identifying an element of an array, list or string
   * @param size the size of that array, list or string

        } else if (usage < 0) {
            throw new RuntimeCIFSException("Usage count dropped below zero");
        }
    }

    /**
     * Emergency cleanup method called during finalization to prevent memory leaks
     */
    private void emergencyCleanup() {
        try {
            // Force usage count to zero to trigger cleanup
            this.usageCount.set(0);

            synchronized (this) {

        assertTrue(file.isFile(), "Should be identified as a file");
        assertFalse(file.isDirectory(), "Should not be identified as a directory");
        assertEquals(0, file.length(), "New file should have zero length");
    }

    @Test
    void testFileWriteAndRead() throws Exception {
        SmbFile file = new SmbFile(baseUrl + "shared/content.txt", context);

                        && grantedCredits == 0) {
                    if (this.credits.availablePermits() > 0 || n > 0) {
                        log.debug("Server " + this + " returned zero credits for " + curReq);
                    } else {
                        log.warn("Server " + this + " took away all our credits");
                    }
                } else if (!curReq.isResponseAsync()) {

    assertThat(connection.writer.maxDataLength()).isEqualTo(newMaxFrameSize)
  }

  /**
   * Webservers may set the initial window size to zero, which is a special case because it means
   * that we have to flush headers immediately before any request body can be sent.
   * https://github.com/square/okhttp/issues/2543
   */
  @Test fun peerSetsZeroFlowControl() {