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());

        assertEquals(200, data.getHttpStatusCode());

        data.setHttpStatusCode(404);
        assertEquals(404, data.getHttpStatusCode());

        data.setHttpStatusCode(500);
        assertEquals(500, data.getHttpStatusCode());
    }

    public void test_charSetGetterSetter() {
        // Test charset getter/setter
        ResponseData data = new ResponseData();

        data.setCharSet("UTF-8");

    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.

    val server = serverListener.assertOpen()

    // Initiate a close on the client, which will schedule a hard cancel in 500 ms.
    val closeAtNanos = System.nanoTime()
    webSocket.close(1000, "goodbye", 500L)
    serverListener.assertClosing(1000, "goodbye")

    // Confirm that the hard cancel occurred after 500 ms.
    clientListener.assertFailure()
    val elapsedUntilFailure = System.nanoTime() - closeAtNanos

            SMBUtil.writeInt4(500, buffer, 8);
            SMBUtil.writeInt4(0, buffer, 12);
            SMBUtil.writeInt4(0, buffer, 16);

            int bytesRead = response.readBytesWireFormat(buffer, 0);

            assertEquals(16, bytesRead);
            assertEquals(1000, response.getCount());
            assertEquals(500, response.getRemaining());
        }

        assertEquals(1000, info.alloc);
        assertEquals(500, info.free);
        assertEquals(100, info.sectPerAlloc);
        assertEquals(512, info.bytesPerSect);
        assertEquals(1000L * 100 * 512, info.getCapacity(), "Capacity calculation should be correct");
        assertEquals(500L * 100 * 512, info.getFree(), "Free space calculation should be correct");
    }

    /**

            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

  }

  @Test fun idleLatchAfterShutdown() {
    queue.schedule("task") {
      Thread.sleep(250)
      backend.shutdown()
      return@schedule -1L
    }

    assertThat(queue.idleLatch().await(500L, TimeUnit.MILLISECONDS)).isTrue()
    assertThat(queue.idleLatch().count).isEqualTo(0)
  }