}

    /**
     * Validates array is not null and has expected length
     *
     * @param array the array to validate
     * @param expectedLength the expected length
     * @param fieldName the field name for error reporting
     * @throws IllegalArgumentException if array is invalid
     */
    public static void validateArrayLength(byte[] array, int expectedLength, String fieldName) {

        assertEquals(testPassword, auth.getPassword());

        // Check that char array method works
        char[] passwordArray = auth.getPasswordAsCharArray();
        assertNotNull(passwordArray);
        assertArrayEquals(testPassword.toCharArray(), passwordArray);

        // Verify that returned array is a copy
        Arrays.fill(passwordArray, 'X');
        assertEquals(testPassword, auth.getPassword());
    }

    /// Squash bytes down to ints.
    /**
     * Converts bytes to integers for internal DES processing
     * @param inBytes the input byte array
     * @param inOff the offset into the input array
     * @param outInts the output integer array
     * @param outOff the offset into the output array
     * @param intLen the number of integers to convert
     */

            // Additional passes with different patterns for enhanced security
            Arrays.fill(array, (byte) 0xFF);
            Arrays.fill(array, (byte) 0xAA);
            Arrays.fill(array, (byte) 0x55);
            Arrays.fill(array, (byte) 0);
        }
    }

    }

    @Test
    @DisplayName("Test get password as char array")
    void testGetPasswordAsCharArray() {
        String testPassword = "securePassword456";
        authenticator = new NtlmPasswordAuthenticator("DOMAIN", "username", testPassword);

        char[] password = authenticator.getPasswordAsCharArray();
        assertNotNull(password, "Password char array should not be null");

        if (this.password != null) {
            // Multi-pass secure wipe of password char array
            Arrays.fill(this.password, '\0');
            Arrays.fill(this.password, '\uFFFF');
            Arrays.fill(this.password, '\uAAAA');
            Arrays.fill(this.password, '\u5555');
            Arrays.fill(this.password, '\0');
            this.password = null;
        }

                bytes[byteIndex++] = (byte) (0x80 | (c & 0x3F));
            }
        }

        return Arrays.copyOf(bytes, byteIndex);
    }

    /**
     * Convert byte array to char array (UTF-8)
     */
    private char[] bytesToChars(byte[] bytes) {
        if (bytes == null) {
            return null;
        }

        // Decode UTF-8

        }

        // Check total memory allocation
        long totalSize = (long) size * (long) elementSize;
        long maxAllocation = 100 * 1024 * 1024; // 100MB max

        if (totalSize > maxAllocation) {
            failedValidations.incrementAndGet();
            log.warn("Array allocation too large: {} bytes", totalSize);

    }
  }

  /** Returns the {@code Class} object of arrays with {@code componentType}. */
  static Class<?> getArrayClass(Class<?> componentType) {
    // TODO(user): This is not the most efficient way to handle generic
    // arrays, but is there another way to extract the array class in a
    // non-hacky way (i.e. using String value class names- "[L...")?
    return Array.newInstance(componentType, 0).getClass();
  }

  /*

    }

    @Test
    @DisplayName("Test array length validation")
    void testArrayLengthValidation() {
        byte[] array = new byte[16];
        assertDoesNotThrow(() -> InputValidator.validateArrayLength(array, 16, "test"));

        assertThrows(IllegalArgumentException.class, () -> InputValidator.validateArrayLength(null, 16, "test"));