// but PrintStream doesn't throw exceptions on write after close
    }

    @Test
    void testConcurrentAccess() throws InterruptedException {
        // Test thread safety of getInstance
        LogStream.setInstance(testStream);

        final LogStream[] instances = new LogStream[10];
        Thread[] threads = new Thread[10];

        for (int i = 0; i < threads.length; i++) {

        assertFalse(CharUtil.isUrlChar('`')); // backtick (just before 'a')
        assertFalse(CharUtil.isUrlChar('{')); // left brace (just after 'z')
        assertFalse(CharUtil.isUrlChar('^')); // caret (before 'a' range)
        assertFalse(CharUtil.isUrlChar('|')); // pipe (not in valid set)
    }

                    }
                    return exitValue;
                }
            } else {
                // This is a secondary timeout, a safety net.
                logger.warn("{} is unresponsive and could not be terminated within the safety timeout.", getName());
                if (!task.isExecuted()) {
                    task.run();
                }
            }

labels.user_description=Descrizione
labels.description=Descrizione
labels.user_title=Titolo
labels.title=Titolo
labels.user_pager=Cercapersone
labels.pager=Cercapersone
labels.user_street=Via
labels.street=Via
labels.user_postalCode=CAP
labels.postalCode=CAP
labels.user_physicalDeliveryOfficeName=Ufficio
labels.physicalDeliveryOfficeName=Ufficio
labels.user_destinationIndicator=Informazioni indirizzo servizio telegrammi

    }

    @Test
    @DisplayName("Test concurrent access")
    void testConcurrentAccess() throws InterruptedException {
        // Test thread safety - multiple threads accessing the same response
        final int THREAD_COUNT = 10;
        Thread[] threads = new Thread[THREAD_COUNT];
        final boolean[] success = new boolean[THREAD_COUNT];

    void writeBytesWireFormat_writesExpectedValuesAtOffset(int offset) {
        // Arrange
        Smb2LogoffRequest req = newRequest();
        byte[] buf = new byte[offset + 8]; // extra space for safety

        // Act
        int written = req.writeBytesWireFormat(buf, offset);

        // Assert: should write exactly 4 bytes
        assertEquals(4, written, "Should report 4 bytes written");

        assertTrue(status == CrawlerStatus.RUNNING || status == CrawlerStatus.DONE);
        assertFalse(status == CrawlerStatus.INITIALIZING && status == CrawlerStatus.DONE);
    }

    /**
     * Test null safety in comparisons
     */
    public void test_nullSafety() {
        CrawlerStatus status = CrawlerStatus.INITIALIZING;
        CrawlerStatus nullStatus = null;

        // Enum == null should be false

     *  The implementation of this is a little slow, since it creates
     *  a number of objects each time it is called.  This could be optimized
     *  to keep the same objects around, but then thread-safety issues would arise.
     *
     *  @param contextNode The node to start searching from.
     *  @param expression A valid XPath string.

        assertNotEquals(instance1.toString(), instance2.toString()); // Different object references in toString
    }

    /**
     * Test thread safety of read/write operations
     */
    @Test
    @DisplayName("Test thread safety of operations")
    public void testThreadSafety() throws InterruptedException {
        // Given
        smbComTreeDisconnect = new SmbComTreeDisconnect(config);

            rateLimiter.recordFailure(username, ip);
        }
    }

    @Test
    public void testConcurrentAccess() throws Exception {
        // Test thread safety with concurrent access
        // Use a separate rate limiter instance with higher limits for this test