firstInstance.decode(originalBuffer, 0, originalBuffer.length);

        // Encode from first instance
        byte[] encodedBuffer = new byte[8];
        firstInstance.encode(encodedBuffer, 0);

        // Decode into second instance
        FileInternalInfo secondInstance = new FileInternalInfo();
        secondInstance.decode(encodedBuffer, 0, encodedBuffer.length);

        // Verify both instances have same values

            assertNull(mock.getName());
        }

        @Test
        @DisplayName("Negative length is allowed via mock")
        void negativeLength() {
            FileEntry mock = mock(FileEntry.class);
            when(mock.length()).thenReturn(-10L);
            assertEquals(-10L, mock.length());
        }
    }

    @ParameterizedTest(name = "getType returns {0}")

    private boolean processWord() {
        if ((peekct & CT_ALPHA) != 0) {
            int i = 0;
            do {
                if (i >= buf.length) {
                    final char[] nb = new char[buf.length * 2];
                    System.arraycopy(buf, 0, nb, 0, buf.length);
                    buf = nb;
                }
                buf[i++] = (char) peekc;
                peekc = read();

                throw new MaxLengthExceededException("Content length (" + contentLength + " bytes) exceeds the maximum allowed length ("
                        + maxContentLength + " bytes).");
            }
            if (contentLength == 0) {
                if (logger.isDebugEnabled()) {
                    logger.debug("The content length is 0.");
                }
                return new ExtractData(StringUtil.EMPTY);

        @Test
        @DisplayName("Should handle negative length in verify method")
        void testVerifyNegativeLength() {
            byte[] data = new byte[128];
            boolean result = digest.verify(data, 0, -1, 0, response);
            assertFalse(result, "Should return false for negative length");
        }

        @Test
        @DisplayName("Should handle offset+length exceeding buffer size in verify method")

            final int code = bytesReader.readVInt();
            final int count = code >>> 1;
            for (int i = 0; i < count; i++) {
                synonymMap.words.get(bytesReader.readVInt(), scratchBytes);
                if (scratchChars.chars.length < scratchBytes.length) {
                    scratchChars.chars = new char[scratchBytes.length];
                }

  public final Entry<String, String>[] createArray(int length) {
    return (Entry<String, String>[]) new Entry<?, ?>[length];
  }

  @Override
  public final String[] createKeyArray(int length) {
    return new String[length];
  }

  @Override
  public final String[] createValueArray(int length) {
    return new String[length];
  }

  /** Returns the original element list, unchanged. */
  @Override

      for (String comp : components) {
        sb.append(comp);
        sb.append(DELIMITER_STRING);
      }
      if (sb.length() > 0) {
        sb.setLength(sb.length() - DELIMITER_STRING.length());
      }
      dummy ^= sb.toString().length();
    }
    return dummy;
  }

                Arguments.of((LongGetter) FileEntry::length, -100L, "negative length"),
                Arguments.of((LongGetter) FileEntry::length, 0L, "zero length"),
                Arguments.of((LongGetter) FileEntry::length, 1L, "small length"));
    }

    @ParameterizedTest(name = "Long getter {2} returns {1}")
    @MethodSource("longGetterProvider")

        byte[] mac = PacMac.calculateMacArcfourHMACMD5(3, key, TEST_DATA);
        assertNotNull(mac);
        assertEquals(16, mac.length);

        // Test with a different key usage
        byte[] mac2 = PacMac.calculateMacArcfourHMACMD5(9, key, TEST_DATA);
        assertNotNull(mac2);
        assertEquals(16, mac2.length);

        // Test with another key usage
        byte[] mac3 = PacMac.calculateMacArcfourHMACMD5(23, key, TEST_DATA);