for (int i = 0; i < 8; i++) {
      limiter.acquire(); // #1
    }
    stopwatch.sleepMillis(500); // #2: to repay for the last acquire
    stopwatch.sleepMillis(4000); // #3: becomes cold again
    for (int i = 0; i < 8; i++) {
      limiter.acquire(); // // #4
    }
    stopwatch.sleepMillis(500); // #5: to repay for the last acquire

    for (int i = 0; i < 8; i++) {
      limiter.acquire(); // #1
    }
    stopwatch.sleepMillis(500); // #2: to repay for the last acquire
    stopwatch.sleepMillis(4000); // #3: becomes cold again
    for (int i = 0; i < 8; i++) {
      limiter.acquire(); // // #4
    }
    stopwatch.sleepMillis(500); // #5: to repay for the last acquire

        entry.updateChild(childName, 1024L, 1000L, false, 0x20, 500L, 800L);
        assertTrue(entry.hasChanges());

        // Clear changes to test next scenario
        entry.markComplete();
        assertFalse(entry.hasChanges());

        // Update with same values - should not mark as changed (no actual change)
        entry.updateChild(childName, 1024L, 1000L, false, 0x20, 500L, 800L);
        assertFalse(entry.hasChanges());

        .isEqualTo("Code must be in range [1000,5000): 1")
    }
    data.write("88021388".decodeHex()) // Close with code 5000
    assertFailsWith<ProtocolException> {
      clientReader.processNextFrame()
    }.also { expected ->
      assertThat(expected.message)
        .isEqualTo("Code must be in range [1000,5000): 5000")
    }
  }

  @Test fun closeReservedSetThrows() {

    assertThat(client.closed).isTrue()
  }

  @Test
  fun pingOnInterval() {
    client.initWebSocket(random, pingIntervalMillis = 500)
    taskFaker.advanceUntil(ns(500L))
    server.processNextFrame() // Ping.
    client.processNextFrame() // Pong.
    taskFaker.advanceUntil(ns(1000L))
    server.processNextFrame() // Ping.
    client.processNextFrame() // Pong.

     */
    @Test
    public void test_delayMillisBeforeProcessing() {
        FessIntervalController controller = new FessIntervalController();

        controller.setDelayMillisBeforeProcessing(500L);
        assertEquals(500L, controller.getDelayMillisBeforeProcessing());

        controller.setDelayMillisBeforeProcessing(3000L);
        assertEquals(3000L, controller.getDelayMillisBeforeProcessing());

        when(mockFile1.lastModified()).thenReturn(1000L);
        when(mockFile1.isDirectory()).thenReturn(false);
        when(mockFile1.getAttributes()).thenReturn(0x20);
        when(mockFile1.createTime()).thenReturn(500L);
        when(mockFile1.lastAccess()).thenReturn(800L);

        when(mockFile2.getName()).thenReturn("dir1");
        when(mockFile2.length()).thenReturn(0L);
        when(mockFile2.lastModified()).thenReturn(2000L);

            // Given
            when(mockAllocInfo.getCapacity()).thenReturn(1000L, 2000L, 3000L);
            when(mockAllocInfo.getFree()).thenReturn(500L, 1000L, 1500L);

            // When & Then
            assertEquals(1000L, mockAllocInfo.getCapacity());
            assertEquals(500L, mockAllocInfo.getFree());
            assertEquals(2000L, mockAllocInfo.getCapacity());
            assertEquals(1000L, mockAllocInfo.getFree());

        // Test default wait time
        assertEquals(10000, helper.crawlerWaitMillis);

        // Test setting new wait time
        helper.setCrawlerWaitMillis(5000);
        assertEquals(5000, helper.crawlerWaitMillis);

        helper.setCrawlerWaitMillis(0);
        assertEquals(0, helper.crawlerWaitMillis);
    }

    @Test
    public void test_parseTime_validFormat() {

            byte[] buffer = new byte[100];
            ByteBuffer bb = ByteBuffer.wrap(buffer).order(ByteOrder.LITTLE_ENDIAN);
            bb.putLong(1000L);
            bb.putLong(500L);
            bb.putLong(500L);
            bb.putInt(8);
            bb.putInt(512);

            // When
            int bytesConsumed = fileFsFullSizeInfo.decode(buffer, 0, buffer.length);

            // Then