String word = "test word";
        float boost = 2.5f;
        List<String> readings = Arrays.asList("reading1", "reading2");
        List<String> fields = Arrays.asList("field1", "field2");
        List<String> tags = Arrays.asList("tag1", "tag2");
        List<String> roles = Arrays.asList("role1", "role2");

        elevateWord = new ElevateWord(word, boost, readings, fields, tags, roles);

        assertFalse(Arrays.equals(signingKey, appKey), "Signing and application keys should be different");
        assertFalse(Arrays.equals(signingKey, encKey), "Signing and encryption keys should be different");
        assertFalse(Arrays.equals(signingKey, decKey), "Signing and decryption keys should be different");

        // Assert
        assertEquals(24, resp.length, "LMv2 response length must be 24");
        assertArrayEquals(clientChallenge, Arrays.copyOfRange(resp, 16, 24), "Client challenge must be copied to last 8 bytes");
        assertFalse(Arrays.equals(new byte[24], resp), "Response must not be all zeros");
    }

    @Test
    @DisplayName("getLMv2Response(byte[]): empty client data allowed")

        assertArrayEquals(plaintext, decrypted1);
        assertArrayEquals(plaintext, decrypted2);

        // Clean up
        Arrays.fill(plaintext, '\0');
        Arrays.fill(decrypted1, '\0');
        Arrays.fill(decrypted2, '\0');
    }

    @Test
    public void testBase64StringOperations() throws Exception {
        char[] plaintext = "TestPassword456".toCharArray();

        source.put(FieldNames.READING_PREFIX + "0", Arrays.asList("reading1", "reading2"));
        source.put(FieldNames.READING_PREFIX + "1", Arrays.asList("reading3"));
        source.put(FieldNames.FIELDS, Arrays.asList("field1"));
        source.put(FieldNames.TAGS, Arrays.asList("tag1", "tag2"));
        source.put(FieldNames.ROLES, Arrays.asList("user"));
        source.put(FieldNames.LANGUAGES, Arrays.asList("ja"));

        return arrays != null && arrays.length != 0;
    }

    /**
     * Returns {@literal true} if the array is {@literal null} or has a length of 0.
     *
     * @param arrays
     *            the array
     * @return {@literal true} if the array is {@literal null} or has a length of 0
     */
    public static boolean isEmpty(final float[] arrays) {
        return arrays == null || arrays.length == 0;
    }

            for (int i = 0; i < threadCount; i++) {
                byte[] sig1 = Arrays.copyOfRange(results[i], SIGNATURE_OFFSET, SIGNATURE_OFFSET + SIGNATURE_LENGTH);
                for (int j = i + 1; j < threadCount; j++) {
                    byte[] sig2 = Arrays.copyOfRange(results[j], SIGNATURE_OFFSET, SIGNATURE_OFFSET + SIGNATURE_LENGTH);
                    assertFalse(Arrays.equals(sig1, sig2), "Different inputs should produce different signatures");

        }
        return true;
    }

    @Override
    public String toString() {
        return "SynonymItem [id=" + id + ", inputs=" + Arrays.toString(inputs) + ", outputs=" + Arrays.toString(outputs) + ", newInputs="
                + Arrays.toString(newInputs) + ", newOutputs=" + Arrays.toString(newOutputs) + "]";
    }

    /**
     * Converts the item to a string representation for writing to a file.
     *

            byte[] longFileId = new byte[32];
            Arrays.fill(longFileId, (byte) 0xCD);
            request.setFileId(longFileId);

            Arrays.fill(buffer, (byte) 0);
            bytesWritten = request.writeBytesWireFormat(buffer, 0);

            assertEquals(48, bytesWritten);
            assertArrayEquals(Arrays.copyOfRange(longFileId, 0, 16), Arrays.copyOfRange(buffer, 8, 24));
        }

        @Test

        @Test
        @DisplayName("Should handle maximum size arrays")
        void testMaximumSizeArrays() throws SMBProtocolDecodingException {
            // Arrange
            int[] largeHashAlgos = new int[100];
            Arrays.fill(largeHashAlgos, PreauthIntegrityNegotiateContext.HASH_ALGO_SHA512);
            byte[] largeSalt = new byte[1024];
            Arrays.fill(largeSalt, (byte) 0xAB);