// Verify error message is clear and helpful
            assertNotNull(exception.getMessage());
            assertTrue(exception.getMessage().contains("Expected structureSize = 4"));
        }

        @Test
        @DisplayName("Should handle zero structure size")
        void testZeroStructureSize() {
            // Given

        final StringBuilder buf = new StringBuilder(256);
        buf.append(cause.getMessage()).append(" : [");
        SQLException next = cause.getNextException();
        while (next != null) {
            buf.append(MessageFormatter.getSimpleMessage("ECL0071", next.getMessage(), Integer.toString(next.getErrorCode()),
                    next.getSQLState())).append("], [");

            logger.error("Failed to purge user info.", e);
            resultBuf.append(e.getMessage()).append("\n");
        }

        // update job logs
        try {
            jobLogService.updateStatus();
        } catch (final Exception e) {
            logger.error("Failed to purge job logs.", e);
            resultBuf.append(e.getMessage()).append("\n");
        }

        return resultBuf.toString();
    }

    }

    public void test_init() {
        try {
            labelTypeHelper.init();
        } catch (Exception e) {
            fail("init() should not throw an exception: " + e.getMessage());
        }
    }

    public void test_load() {
        int result = labelTypeHelper.load();
        assertTrue(result >= 0);
    }

    public void test_refresh() {

    void defaultConstructor_behavesAsExpected() {
        // Arrange & Act
        SMBProtocolDecodingException ex = new SMBProtocolDecodingException();

        // Assert state
        assertNull(ex.getMessage(), "Default constructor should have null message");
        assertNull(ex.getCause(), "Default constructor should have null cause");
        assertTrue(ex instanceof CIFSException, "Should be a CIFSException subtype");

        assertEquals("Runtime error", runtimeEx.getMessage());

        // Test Exception
        Exception generalEx = new Exception("General error");
        assertEquals("General error", generalEx.getMessage());

        // Test with null message
        RuntimeException nullMessageEx = new RuntimeException();
        assertNull(nullMessageEx.getMessage());

        // Test with empty message

        byte[] emptyToken = new byte[0];
        PACDecodingException e = assertThrows(PACDecodingException.class, () -> new KerberosTicket(emptyToken, (byte) 0, keys));
        assertEquals("Empty kerberos ticket", e.getMessage());
    }

    @Test
    void testConstructorWithMalformedToken() {
        // Test that PACDecodingException is thrown for a malformed token
        byte[] malformedToken = new byte[] { 0x01, 0x02, 0x03 };

        } catch (FessSystemException e) {
            assertEquals("Invalid format: 12", e.getMessage());
        }

        try {
            IntervalControlHelper.parseTime("12:30:45");
            fail("Should throw FessSystemException");
        } catch (FessSystemException e) {
            assertEquals("Invalid format: 12:30:45", e.getMessage());
        }

        try {
            IntervalControlHelper.parseTime("24:00");

        } catch (CurlException e) {
            assertTrue(e.getMessage().contains("Failed to access the content"));
            // The cause should be another CurlException from getContentAsStream()
            assertTrue(e.getCause() instanceof CurlException);
            CurlException innerException = (CurlException) e.getCause();
            assertTrue(innerException.getMessage().contains("The content does not exist"));

                                + artifact.getArtifactId() + ":" + artifact.getVersion() + ".";

                        if (relocation.getMessage() != null) {
                            message += "  " + relocation.getMessage();
                        }

                        if (artifact.getDependencyTrail() != null
                                && artifact.getDependencyTrail().size() == 1) {