assertLockHeld()

    while (true) {
      if (readyQueues.isEmpty()) {
        return null // Nothing to do.
      }

      val now = backend.nanoTime()
      var minDelayNanos = Long.MAX_VALUE
      var readyTask: Task? = null
      var multipleReadyTasks = false

      // Decide what to run. This loop's goal wants to:
      //  * Find out what this thread should do (either run a task or sleep)

    if (safeMax < safeMin) {
      // If the safe range is empty, set the range limits to opposite extremes
      // to ensure the first test of either value will fail.
      safeMax = -1;
      safeMin = Integer.MAX_VALUE;
    }
    this.safeMin = safeMin;
    this.safeMax = safeMax;

    // This is a bit of a hack but lets us do quicker per-character checks in

    void testDecodeWithMaxValues() throws SMBProtocolDecodingException {
        // Prepare test data with maximum values
        byte[] buffer = new byte[22];
        long maxLong = Long.MAX_VALUE;
        int maxInt = Integer.MAX_VALUE;

        // Encode test data
        int offset = 0;
        SMBUtil.writeInt8(maxLong, buffer, offset);
        offset += 8;
        SMBUtil.writeInt8(maxLong, buffer, offset);

        assertNotNull(trans2SetFileInfo);

        // Test with maximum values
        trans2SetFileInfo = new Trans2SetFileInformation(config, 0xFFFF, Integer.MAX_VALUE, Long.MAX_VALUE, Long.MAX_VALUE, Long.MAX_VALUE);
        assertNotNull(trans2SetFileInfo);
    }

    @Test
    @DisplayName("Test attributes with OR operation")
    void testAttributesWithOrOperation() {

    }

    // Test execute with large number of deleted files
    public void test_execute_largeNumberOfFiles() {
        thumbnailManager.setPurgeCallCount(Long.MAX_VALUE);

        String result = purgeThumbnailJob.execute();

        assertEquals("Deleted " + Long.MAX_VALUE + " thumbnail files.", result);
    }

    // Test method chaining with multiple expiry calls
    public void test_expiryChaining() {

    }
  }

  public static final class FloatsAsListHeadSubListGenerator extends TestFloatListGenerator {
    @Override
    protected List<Float> create(Float[] elements) {
      Float[] suffix = {Float.MIN_VALUE, Float.MAX_VALUE};
      Float[] all = concat(elements, suffix);
      return asList(all).subList(0, elements.length);
    }
  }

  public static final class FloatsAsListTailSubListGenerator extends TestFloatListGenerator {

    }
  }

  public static final class FloatsAsListHeadSubListGenerator extends TestFloatListGenerator {
    @Override
    protected List<Float> create(Float[] elements) {
      Float[] suffix = {Float.MIN_VALUE, Float.MAX_VALUE};
      Float[] all = concat(elements, suffix);
      return asList(all).subList(0, elements.length);
    }
  }

  public static final class FloatsAsListTailSubListGenerator extends TestFloatListGenerator {

  }

  public static final class IntsAsListHeadSubListGenerator extends TestIntegerListGenerator {
    @Override
    protected List<Integer> create(Integer[] elements) {
      Integer[] suffix = {Integer.MIN_VALUE, Integer.MAX_VALUE};
      Integer[] all = concat(elements, suffix);
      return asList(all).subList(0, elements.length);
    }
  }

  public static final class IntsAsListTailSubListGenerator extends TestIntegerListGenerator {

        }

    val b2: Int
      get() = absoluteDelta shr 7 and 0x7f

    val b3: Int
      get() = absoluteDelta and 0x7f

    companion object {
      const val MAX_VALUE = 0x3FFFF
    }
  }

  data class External(
    override val rangeStart: Int,
    val mappedTo: ByteString,
  ) : MappedRange

  }

  @Test fun `max long`() {
    val bytes = "02087fffffffffffffff".decodeHex()
    assertThat(Adapters.INTEGER_AS_LONG.fromDer(bytes)).isEqualTo(Long.MAX_VALUE)
    assertThat(Adapters.INTEGER_AS_LONG.toDer(Long.MAX_VALUE)).isEqualTo(bytes)
  }

  @Test fun `min long`() {
    val bytes = "02088000000000000000".decodeHex()
    assertThat(Adapters.INTEGER_AS_LONG.fromDer(bytes)).isEqualTo(Long.MIN_VALUE)