r.prevRune = -1
	if r.i >= int64(len(r.s)) {
		return 0, nil
	}
	b := r.s[r.i:]
	m, err := w.Write(b)
	if m > len(b) {
		panic("bytes.Reader.WriteTo: invalid Write count")
	}
	r.i += int64(m)
	n = int64(m)
	if m != len(b) && err == nil {
		err = io.ErrShortWrite
	}
	return
}

// Reset resets the [Reader] to be reading from b.

  }

  fun acceptFrame() {
    frameCount++
  }

  /** Maximum length of an outbound data frame.  */
  fun maxOutboundDataLength(): Int = writer.maxDataLength()

  /** Count of frames sent or received.  */
  fun frameCount(): Int = frameCount

  fun sendFrame(): Http2Writer {
    outFrames.add(OutFrame(frameCount++, bytesOut.size, false))
    return writer
  }

  /**

     */
    protected int uid;
    /**
     * Multiplex identifier for correlating requests and responses.
     */
    protected int mid;
    /**
     * Count of parameter words in the SMB message.
     */
    protected int wordCount;
    /**
     * Count of data bytes in the SMB message.
     */
    protected int byteCount;
    /**
     * Tree identifier for the connected share.
     */

        // Cleanup should not throw exception
        assertDoesNotThrow(() -> bufferManager.cleanup());

        // After cleanup, all regions should be released (but the count may not match exactly
        // if some regions were pooled rather than immediately released)
        assertTrue(bufferManager.getTotalReleased() > 0, "Some regions should be released during cleanup");

    redQueue.execute("task") {
      log += "run@${taskFaker.nanoTime}"
    }

    val idleLatch = redQueue.idleLatch()
    assertThat(idleLatch.count).isEqualTo(1)

    taskFaker.advanceUntil(0.µs)
    assertThat(log).containsExactly("run@0")

    assertThat(idleLatch.count).isEqualTo(0)
  }

  @Test fun multipleCallsToIdleLatchReturnSameInstance() {
    redQueue.execute("task") {

        regA(builder);
        return builder;
    }

    protected ValueCountAggregationBuilder regCountA(String name, String field) {
        ValueCountAggregationBuilder builder = AggregationBuilders.count(name).field(field);
        regA(builder);
        return builder;
    }

    protected TermsAggregationBuilder regTermsA(String name, String field) {

    val relay = edit(file, upstream, metadata, 1024)
    val source1 = relay.newSource()
    val source2 = relay.newSource()
    source1!!.close()
    source1.close() // Unnecessary. Shouldn't decrement the reference count.
    assertThat(relay.isClosed).isFalse()
    source2!!.close()
    assertThat(relay.isClosed).isTrue()
    assertFile(Relay.PREFIX_DIRTY, -1L, -1, null, null)
  }

  @Test
  fun racingReaders() {

        long count = client.prepareSearch(TEST_INDEX)
                .setQuery(QueryBuilders.termQuery("field", "value1"))
                .execute()
                .actionGet()
                .getHits()
                .getTotalHits()
                .value();
        assertEquals(0, count);
    }

    @Test
    public void testDeleteByQueryWithNoMatches() {

					if loaded {
						newValue = oldValue
						newValue.count = oldValue.count + 1
						return newValue, false
					}
					return VolInfo{
						Name:    volInfo.Name,
						Created: volInfo.Created,
						count:   1,
					}, false
				})
			}

			return nil
		}, index)
	}

     * <p>
     * This method fetches character mapping items with pagination support and updates
     * the pager with the current page information including total count and page ranges.
     * </p>
     *
     * @param dictId the dictionary ID to retrieve character mappings from
     * @param charMappingPager the pager object containing pagination parameters