assertNull(block.andx, "andx should be cleared when not chaining");
    }

    @Test
    @DisplayName("writeAndXWireFormat with andx but batching prevented by limit")
    void testWriteAndXWireFormatBatchingPrevented() {
        DummyPlainSMB next = new DummyPlainSMB();
        DummyAndXBlock block = new DummyAndXBlock(next);

        assertThrows(IOException.class, () -> new NegTokenTarg(bad), "Malformed byte[] should cause IOException");
    }

    @Test
    @DisplayName("mechanism token empty array – preserved after round‑trip")
    void testEmptyMechanismToken() throws IOException {
        NegTokenTarg nt = new NegTokenTarg();
        nt.setResult(NegTokenTarg.REQUEST_MIC);

        // Then
        assertEquals(CRYPTO_ERROR_MESSAGE, exception.getMessage(), "Crypto message should be preserved");
        assertSame(cause, exception.getCause(), "Crypto cause should be preserved");
    }

    * In requests and responses will be represented as a `str`.
* `datetime.datetime`:
    * A Python `datetime.datetime`.
    * In requests and responses will be represented as a `str` in ISO 8601 format, like: `2008-09-15T15:53:00+05:00`.
* `datetime.date`:
    * Python `datetime.date`.
    * In requests and responses will be represented as a `str` in ISO 8601 format, like: `2008-09-15`.
* `datetime.time`:

 *
 * @author koichik
 */
public interface ParameterizedClassDesc {

    /**
     * Returns <code>true</code> if the class represented by this instance is parameterized.
     *
     * @return <code>true</code> if the class represented by this instance is parameterized
     */
    boolean isParameterizedClass();

    /**
     * Returns the raw class.
     *
     * @param <T>

        SMBProtocolDowngradeException ex = new SMBProtocolDowngradeException(message);

        // Assert - message preserved, cause null
        assertEquals(message, ex.getMessage());
        assertNull(ex.getCause());

        // Assert - toString starts with class name and contains message when present
        if (message == null) {
            assertEquals(SMBProtocolDowngradeException.class.getName(), ex.toString());

     */
    boolean problemsOverflow();

    /**
     * Reports a problem: always maintains the counters, but whether problem is preserved in memory, depends on
     * implementation and its configuration.
     *
     * @param problem the problem to report
     * @return {@code true} if passed problem is preserved by this call.
     */

                return false;
            }
        }

        return true;
    }

    /**
     * Determines whether a type represented by a class object is
     * convertible to another type represented by a class object using a
     * method invocation conversion, treating object types of primitive
     * types as if they were primitive types (that is, a Boolean actual

        // Assert message and cause
        assertEquals(message, ex.getMessage(), "Message should be preserved as provided");
        assertSame(mockCause, ex.getCause(), "Cause should be exactly the provided instance");

        // toString should include class name and, when present, the message
        String ts = ex.toString();

                .findFirst()
                .orElseThrow(() -> new AssertionError("Custom resource not found"));

        // Verify targetPath was preserved through conversion chain
        assertEquals(
                "custom-output", customResource.getTargetPath(), "targetPath should be preserved in ConnectedResource");

        // Test that includes modification preserves targetPath (tests ConnectedResource functionality)