public class CachedCipherTest {

    @Test
    public void testEncryptDecryptBytes() {
        final CachedCipher cipher = new CachedCipher();
        cipher.setKey("mySecretKey");

        final byte[] original = "Hello World".getBytes();
        final byte[] encrypted = cipher.encrypt(original);
        final byte[] decrypted = cipher.decrypt(encrypted);

        assertThat(encrypted, is(not(original)));

- Lists and other formatting

### Code Examples

Here is some inline `code` and a code block:

```java
public class Example {
    public static void main(String[] args) {
        System.out.println("Hello, World!");
    }
}
```

## Links

Check out [Fess Crawler](https://github.com/codelibs/fess-crawler) for more information.

## Conclusion

        byte[] data = "Hello World".getBytes();
        InputStream underlyingStream = new ByteArrayInputStream(data);
        IgnoreCloseInputStream stream = new IgnoreCloseInputStream(underlyingStream);

        byte[] buffer = new byte[5];
        int bytesRead = stream.read(buffer);

        assertEquals(5, bytesRead);
        assertEquals("Hello", new String(buffer));
    }

    }

    /**
     * Test extraction with various Unicode characters.
     */
    public void test_getText_unicodeContent_extractsCorrectly() {
        final String unicodeContent = "Hello 世界 مرحبا мир שלום";
        final InputStream in = new ByteArrayInputStream(unicodeContent.getBytes());

        final ExtractData result = textExtractor.getText(in, null);

        assertNotNull(result);

     * Test encode/decode round trip with various data
     *
     * @throws Exception
     */
    public void testEncodeDecode_RoundTrip() throws Exception {
        // Test with ASCII text
        final String text = "Hello, World!";
        final byte[] textBytes = text.getBytes("UTF-8");
        final String encoded = Base64Util.encode(textBytes);
        final byte[] decoded = Base64Util.decode(encoded);

            settingsBuilder.put("http.cors.enabled", true);
            settingsBuilder.put("discovery.type", "single-node");
        }).build(newConfigs().clusterName(clusterName).numOfNode(1));

        // wait for yellow status
        runner.ensureYellow();

        System.setProperty(FesenClient.HTTP_ADDRESS, "localhost:" + runner.node().settings().get("http.port", "9201"));

        super.setUp();
    }

    @Override

    @Test
    public void testEncodingSpecialCharacters() {
        CurlRequest request = new CurlRequest(Method.GET, "https://example.com");

        // Test encoding of special characters
        request.param("query", "hello world & more");
        request.param("special", "ñ€±");

        // Should not throw exception
        assertNotNull(request);
    }

    @Test
    public void testUnsupportedEncodingThrowsException() {

 * </ul>
 * <p>
 * <strong>Usage Example:</strong>
 * </p>
 * <pre>
 * CachedCipher cipher = new CachedCipher();
 * cipher.setKey("mySecretKey");
 *
 * // Encrypt text
 * String encrypted = cipher.encryptText("Hello World");
 *
 * // Decrypt text
 * String decrypted = cipher.decryptText(encrypted);
 *
 * // For AES encryption
 * CachedCipher aesCipher = new CachedCipher();
 * aesCipher.setAlgorithm("AES");

     */
    public boolean connected() {
        return connected;
    }

    /**
     * Connects to the OpenSearch cluster.
     * Creates a new client and waits for cluster health to be yellow or better.
     */
    public void connect() {
        destroy();
        client = createClient();

        final String[] indices = targetIndices != null ? targetIndices : new String[0];

            }
        } catch (final Exception e) {
            logger.warn("Failed to create {} mapping.", configIndex, e);
        }
    }

    /**
     * Waits for the search engine cluster to reach yellow or green status.
     *
     * @param fessConfig the Fess configuration
     * @throws ContainerInitFailureException if the cluster doesn't become available
     */