//                                                                      ==============
    protected String ln() {
        return DBFluteSystem.ln();
    }

    protected void assertObjectNotNull(String variableName, Object value) {
        if (variableName == null) {
            String msg = "The value should not be null: variableName=null value=" + value;
            throw new IllegalArgumentException(msg);

/**
 * Tests for {@link SerializableTester}.
 *
 * @author Nick Kralevich
 */
@NullUnmarked
public class SerializableTesterTest extends TestCase {
  public void testStringAssertions() {
    String original = "hello world";
    String copy = SerializableTester.reserializeAndAssert(original);
    assertEquals(original, copy);
    assertNotSame(original, copy);
  }

  public void testClassWhichDoesNotImplementEquals() {

        final String path = ClassUtil.getPackageName(this.getClass()).replaceAll("\\.", "/") + "/aaa.html";
        final String contentType = MimeTypeUtil.guessContentType(path);
        assertEquals("text/html", contentType);
    }

    /**
     * @throws Exception
     */
    @Test
    public void testGetFromStream_gif() throws Exception {

     * @param xContent the content object to convert
     * @param mediaType the media type for the conversion
     * @return the string representation of the content
     * @throws IORuntimeException if an IO error occurs during conversion
     */
    public static String getXContentString(final ToXContent xContent, final MediaType mediaType) {
        try {

      throw ee.cause?.cause ?: ee.cause!!
    }
  }

  data class Response(
    val code: Int,
    val negotiatedProtocol: String,
    val content: String,
  )

  private fun execute(
    engine: HttpEngine,
    executor: ExecutorService,
    url: String,
  ): CompletableFuture<Response> {
    val completableFuture = CompletableFuture<Response>()
    val buffer = Buffer()

    val req =

    /** The NetBIOS error code */
    public int errorCode;

    /**
     * Converts NetBIOS error class and code to a human-readable string.
     *
     * @param errorClass the error class
     * @param errorCode the error code
     * @return a descriptive error string
     */
    public static String getErrorString(final int errorClass, final int errorCode) {
        StringBuilder result = new StringBuilder();
        switch (errorClass) {

        SmbComClose close = new SmbComClose(fid, lwt);
        String s = close.toString();
        assertTrue(s.startsWith("SmbComClose["), "string should start with class name");
        assertTrue(s.contains("fid=" + fid), "string should contain the fid value");
        assertTrue(s.contains("lastWriteTime=" + lwt), "string should contain the lwt value");
    }

    }

    /**
     * Tests the toString method.
     */
    @Test
    void testToString() {
        String result = response.toString();
        assertNotNull(result, "toString() should not return null.");
    }

    // Helper method to access the super.toString() for verification,
    // as we cannot call it directly from the test.

     */
    public CachedCipher() {
    }

    private static final String BLOWFISH = "Blowfish";

    private static final String RSA = "RSA";

    /**
     * The algorithm to use for the cipher.
     */
    protected String algorithm = BLOWFISH;

    /**
     * The transformation to use for the cipher.
     */
    protected String transformation = RSA;

    /**
     * The key to use for encryption/decryption.

     * @param timestamp The last modified timestamp of the file.
     */
    public SynonymFile(final String id, final String path, final Date timestamp) {
        super(id, path, timestamp);
    }

    @Override
    public String getType() {
        return SYNONYM;
    }

    @Override
    public String getPath() {
        return path;
    }

    @Override