if (!isAlgorithmSupported(algorithm)) {
            throw new CIFSException("Unsupported compression algorithm: " + algorithm);
        }
        if (length < MIN_COMPRESSION_SIZE) {
            log.debug("Data too small for compression ({} bytes), returning uncompressed", length);
            byte[] result = new byte[length];
            System.arraycopy(data, offset, result, 0, length);
            return result;
        }

   * @param value any {@code long} value
   * @return the same value cast to {@code short} if it is in the range of the {@code short} type,
   *     {@link Short#MAX_VALUE} if it is too large, or {@link Short#MIN_VALUE} if it is too small
   */
  public static short saturatedCast(long value) {
    if (value > Short.MAX_VALUE) {
      return Short.MAX_VALUE;
    }
    if (value < Short.MIN_VALUE) {
      return Short.MIN_VALUE;
    }

   * @return the same value cast to {@code char} if it is in the range of the {@code char} type,
   *     {@link Character#MAX_VALUE} if it is too large, or {@link Character#MIN_VALUE} if it is too
   *     small
   */
  public static char saturatedCast(long value) {
    if (value > Character.MAX_VALUE) {
      return Character.MAX_VALUE;
    }
    if (value < Character.MIN_VALUE) {
      return Character.MIN_VALUE;

   * @param value any {@code long} value
   * @return the same value cast to {@code short} if it is in the range of the {@code short} type,
   *     {@link Short#MAX_VALUE} if it is too large, or {@link Short#MIN_VALUE} if it is too small
   */
  public static short saturatedCast(long value) {
    if (value > Short.MAX_VALUE) {
      return Short.MAX_VALUE;
    }
    if (value < Short.MIN_VALUE) {
      return Short.MIN_VALUE;
    }

    }

    @Override
    protected int doReceiveFragment(final byte[] buf) throws IOException {
        if (buf.length < getMaxRecv()) {
            throw new IllegalArgumentException("buffer too small");
        }

        int off = this.handle.recv(buf, 0, buf.length);
        if (buf[0] != 5 || buf[1] != 0) {
            throw new IOException("Unexpected DCERPC PDU header");
        }

 * is provided solely for the purpose of exercising the contract.
 */
@ExtendWith(MockitoExtension.class)
public class SmbResourceLocatorTest {

    /**
     * A very small concrete implementation used only by the tests. It parses
     * the URL string and performs minimal validation – just enough to make the
     * happy-path expectations deterministic.
     */

        byte[] copiedData = Arrays.copyOfRange(outputBuffer, 0, dataLength);
        assertArrayEquals(testData, copiedData);
    }

    @Test
    @DisplayName("Should throw exception when output buffer too small")
    void testReadBytesWireFormatBufferTooSmall() throws Exception {
        // Given
        byte[] smallOutputBuffer = new byte[10];

            return entity;
        });
    }

    // ===================================================================================
    //                                                                        Small Helper
    //                                                                        ============
    //                                                                              JSP

            // Only stub supportsIntegrity - isEstablished won't be called due to short-circuit
            when(mockCtx.supportsIntegrity()).thenReturn(false);

            // A small consumer that only uses MIC if advertised as available
            byte[] data = new byte[] { 1, 2 };
            if (mockCtx.supportsIntegrity() && mockCtx.isEstablished()) {
                mockCtx.calculateMIC(data);

  // Timed Get
  // There are a few design constraints to consider
  // * We want to be responsive to small timeouts, unpark() has non trivial latency overheads (I
  //   have observed 12 micros on 64-bit linux systems to wake up a parked thread). So if the
  //   timeout is small we shouldn't park(). This needs to be traded off with the cpu overhead of