case 2:
          k1 ^= (long) toUnsignedInt(bb.get(1)) << 8; // fall through
        case 1:
          k1 ^= (long) toUnsignedInt(bb.get(0));
          break;
        default:
          throw new AssertionError("Should never get here.");
      }
      h1 ^= mixK1(k1);
      h2 ^= mixK2(k2);
    }

    @Override
    protected HashCode makeHash() {
      h1 ^= length;
      h2 ^= length;

  public void testRemove_occurrences_unsupported_absent() {
    // notice: we don't care whether it succeeds, or fails with UOE
    try {
      assertEquals(
          "multiset.remove(absent, 2) didn't return 0 or throw an exception",
          0,
          getMultiset().remove(e3(), 2));
    } catch (UnsupportedOperationException ok) {
    }
  }

  @CollectionFeature.Require(SUPPORTS_REMOVE)

         * @throws CIFSException if an error occurs during close.
         */
        @Test
        public void testClose() throws CIFSException {
            assertDoesNotThrow(() -> smbPipeHandle.close(), "close() should not throw an exception on a mock object.");
            // Verify that the close method was called
            Mockito.verify(smbPipeHandle).close();
        }

        /**

        assertFalse(locator.overlaps(other));

        verify(locator, times(2)).overlaps(other);
        verifyNoMoreInteractions(locator);
    }

    // Error path: overlaps may throw a CIFSException per signature
    @Test
    @DisplayName("overlaps throws CIFSException when implementation fails")
    void overlapsThrowsCifsException() throws Exception {

    }

    @Test
    void testClose_SmbExceptionOnClose() throws IOException {
        // Test case: close() with non-zero retval from MsrpcSamrCloseHandle, should throw SmbException
        String server = "testServer";
        int access = 123;
        int errorRetval = 12345; // Simulate an error code

        // Setup for successful constructor

   * <ul>
   *   <li>{@link UnicodeEscaper} handles <a href="http://en.wikipedia.org/wiki/UTF-16">UTF-16</a>
   *       correctly, including surrogate character pairs. If the input is badly formed the escaper
   *       should throw {@link IllegalArgumentException}.
   *   <li>{@link CharEscaper} handles Java characters independently and does not verify the input
   *       for well formed characters. A {@code CharEscaper} should not be used in situations where

                return topDirectory;
            }

            @Override
            public Path getRootDirectory() {
                if (rootDirectory == null) {
                    throw new IllegalStateException("root directory not set");
                }
                return rootDirectory;
            }
        }
    }

    } catch (NumberFormatException e) {
      NumberFormatException decodeException =
          new NumberFormatException("Error parsing value: " + stringValue);
      decodeException.initCause(e);
      throw decodeException;
    }
  }

  /**
   * Returns the unsigned {@code int} value represented by the given decimal string.
   *
   * <p><b>Java 8+ users:</b> use {@link Integer#parseUnsignedInt(String)} instead.

        // This would need to be implemented based on the actual SmbTransport constructor
        // For now, return null - this needs integration with the actual transport creation
        throw new UnsupportedOperationException("Transport creation needs integration with SmbTransportPool");
    }

    /**
     * Perform channel binding for a channel
     *
     * @param channel channel to bind

            // For now, just return the file object
            return file;
        } catch (Exception e) {
            log.warn("Failed to create SmbFile for {}: {}", filePath, e.getMessage());
            throw new IOException("Failed to create SmbFile: " + e.getMessage(), e);
        }
    }

    /**
     * Get the CIFS context
     *
     * @return CIFS context
     */
    public CIFSContext getContext() {