void testToHexStringLong() {
        // Test zero
        assertEquals("0000000000000000", Hexdump.toHexString(0L, 16));
        assertEquals("00000000", Hexdump.toHexString(0L, 8));
        assertEquals("0000", Hexdump.toHexString(0L, 4));

        // Test positive values
        assertEquals("00000000000000FF", Hexdump.toHexString(255L, 16));

    }

    static Stream<Arguments> validParams() {
        // fid 0x1234, lastWriteTime 0 -> UTime all 0xFF
        return Stream.of(Arguments.of(0x1234, 0L, new byte[] { 0x34, 0x12, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF }),
                // negative fid wraps around, lastWriteTime = 1000 -> 1 second -> int value 1

    val buffer = Buffer()
    var receivedByteCount = 0L

    @Throws(IOException::class)
    override fun write(
      source: Buffer,
      byteCount: Long,
    ) {
      val toRead = minOf(remainingByteCount, byteCount)
      if (toRead > 0L) {
        source.read(buffer, toRead)
      }
      val toSkip = byteCount - toRead
      if (toSkip > 0L) {
        source.skip(toSkip)
      }

     * @throws CIFSException
     */
    @Test
    void testGetServerTimeZoneOffset() throws CIFSException {
        when(smbTreeHandle.getServerTimeZoneOffset()).thenReturn(0L);
        assertEquals(0L, smbTreeHandle.getServerTimeZoneOffset(), "Server time zone offset should be 0");
        when(smbTreeHandle.getServerTimeZoneOffset()).thenReturn(3600000L);

    private val contentLength: Long,
    private val isSocket: Boolean,
  ) : ForwardingSource(delegate) {
    private var bytesReceived = 0L
    private var invokeStartEvent = true
    private var completed = false
    private var closed = false

    init {
      if (contentLength == 0L) {
        complete(null)
      }
    }

    @Throws(IOException::class)
    override fun read(
      sink: Buffer,

  }

internal fun checkDuration(
  name: String,
  duration: Long,
  unit: TimeUnit,
): Int {
  check(duration >= 0L) { "$name < 0" }
  val millis = unit.toMillis(duration)
  require(millis <= Integer.MAX_VALUE) { "$name too large" }
  require(millis != 0L || duration <= 0L) { "$name too small" }
  return millis.toInt()
}

internal fun checkDuration(
  name: String,
  duration: Duration,
): Int {

        // We've chosen a connection to evict. Confirm it's still okay to be evicted, then close it.
        toEvict.withLock {
          if (toEvict.calls.isNotEmpty()) return 0L // No longer idle.
          if (toEvict.idleAtNs != toEvictIdleAtNs) return 0L // No longer oldest.
          toEvict.noNewExchanges = true
          connections.remove(toEvict)
        }
        toEvict.socket().closeQuietly()

  public void testFlatMapToLong_nullStream() {
    SpliteratorTester.ofLong(
            () ->
                CollectSpliterators.flatMapToLong(
                    Arrays.spliterator(new Long[] {1L, 0L, 1L, 2L, 3L}),
                    (Long i) -> i == 0L ? null : LongStream.of(i).spliterator(),
                    Spliterator.SIZED | Spliterator.DISTINCT | Spliterator.NONNULL,
                    4))
        .expect(1L, 1L, 2L, 3L);
  }

      addCode(i, CODES[i], CODE_BIT_COUNTS[i].toInt())
    }
  }

  @Throws(IOException::class)
  fun encode(
    source: ByteString,
    sink: BufferedSink,
  ) {
    var accumulator = 0L
    var accumulatorBitCount = 0

    for (i in 0 until source.size) {
      val symbol = source[i] and 0xff
      val code = CODES[symbol]
      val codeBitCount = CODE_BIT_COUNTS[symbol].toInt()

  /** Deflates [buffer] in place as described in RFC 7692 section 7.2.1. */
  @Throws(IOException::class)
  fun deflate(buffer: Buffer) {
    require(deflatedBytes.size == 0L)

    if (noContextTakeover) {
      deflater.reset()
    }

    deflaterSink.write(buffer, buffer.size)
    deflaterSink.flush()

    if (deflatedBytes.endsWith(EMPTY_DEFLATE_BLOCK)) {