throw ProtocolException("length encoded with more than 8 bytes is not supported")
          }

          var lengthBits = source.readByte().toLong() and 0xff
          if (lengthBits == 0L || lengthBytes == 1 && lengthBits and 0b1000_0000 == 0L) {
            throw ProtocolException("invalid encoding for length")
          }

          for (i in 1 until lengthBytes) {
            lengthBits = lengthBits shl 8

    val pool = factory.newConnectionPool()
    val poolApi = ConnectionPool(pool)
    val c1 = factory.newConnection(pool, routeA1, 0L)
    allocateAndLeakAllocation(poolApi, c1)
    awaitGarbageCollection()
    assertThat(pool.closeConnections(100L)).isEqualTo(0L)
    assertThat(c1.calls).isEmpty()

    // Can't allocate once a leak has been detected.
    assertThat(c1.noNewExchanges).isTrue()
  }

@NullUnmarked
public class UnsignedIntsTest extends TestCase {
  private static final long[] UNSIGNED_INTS = {
    0L,
    1L,
    2L,
    3L,
    0x12345678L,
    0x5a4316b8L,
    0x6cf78a4bL,
    0xff1a618bL,
    0xfffffffdL,
    0xfffffffeL,
    0xffffffffL
  };

  private static final int LEAST = (int) 0L;
  private static final int GREATEST = (int) 0xffffffffL;

  public void testCheckedCast() {

        }

        @Test
        @DisplayName("Should handle locks with zero values")
        void testLocksWithZeroValues() {
            Smb2Lock[] locks = new Smb2Lock[] { new Smb2Lock(0L, 0L, 0) };

            Smb2LockRequest req = new Smb2LockRequest(mockConfig, testFileId, locks);
            byte[] buffer = new byte[256];

            int bytesWritten = req.writeBytesWireFormat(buffer, 0);

        }

        @Override
        public long createTime() {
            return 0L;
        }

        @Override
        public long lastModified() {
            return 0L;
        }

        @Override
        public long length() {
            return 0L;
        }

        @Override
        public String toString() {

    }

    private SmbResource adapt(final FileEntry e) throws MalformedURLException {
        return new SmbFile(this.parent, e.getName(), false, e.getType(), SmbConstants.ATTR_READONLY | SmbConstants.ATTR_DIRECTORY, 0L, 0L,
                0L, 0L);
    }

    /**
     * {@inheritDoc}
     *
     * @see java.util.Iterator#hasNext()
     */
    @Override
    public boolean hasNext() {
        return this.next != null;
    }

   * function is applied to {@code 0L}.
   *
   * @since 21.0
   */
  @CanIgnoreReturnValue
  public long updateAndGet(K key, LongUnaryOperator updaterFunction) {
    checkNotNull(updaterFunction);
    Long result =
        map.compute(
            key,
            (K k, @Nullable Long value) ->
                updaterFunction.applyAsLong(value == null ? 0L : value.longValue()));

   * @return the sum
   */
  public long sumThenReset() {
    long sum = base;
    Cell[] as = cells;
    base = 0L;
    if (as != null) {
      int n = as.length;
      for (int i = 0; i < n; ++i) {
        Cell a = as[i];
        if (a != null) {
          sum += a.value;
          a.value = 0L;
        }
      }
    }
    return sum;
  }

  /**

        return switch (o) {
        case null -> 0L;
        case Number n -> n.longValue();
        case String s -> toPrimitiveLong(s);
        case java.util.Date d -> pattern != null ? Long.parseLong(new SimpleDateFormat(pattern).format(d)) : d.getTime();
        case Boolean b -> b ? 1L : 0L;
        default -> toPrimitiveLong(o.toString());
        };
    }

    public int getAttributes() {
        return 0;
    }

    @Override
    public long getCreateTime() {
        return 0L;
    }

    @Override
    public long getLastWriteTime() {
        return 0L;
    }

    @Override
    public long getLastAccessTime() {
        return 0L;
    }

    @Override
    public long getSize() {
        return this.endOfFile;
    }

    /**