@Test
    @DisplayName("Should handle invalid property values gracefully")
    void testInvalidPropertyValues() throws CIFSException {
        // Given
        Properties props = new Properties();
        props.setProperty("jcifs.smb.client.connTimeout", "invalid");
        props.setProperty("jcifs.smb.client.useUnicode", "maybe");

        // When creating configuration with invalid number

            // for invalid data, which is also acceptable
            assertNotNull("Exception message should not be null", e.getMessage());
        }
    }

    /**
     * Test that MsExcelExtractor throws appropriate exception for invalid data.
     * POI may throw various exceptions depending on the type of invalid data.
     */

            pacString.check(testString);
        }, "A PACDecodingException should be thrown for a string with an invalid length.");

        // Verify the exception message
        String expectedMessage = "Invalid string length, expected 5, have 8";
        assertEquals(expectedMessage, exception.getMessage(), "The exception message is not correct.");
    }

    /**

        testProperties.setProperty("test.invalid.int", "abc");
    }

    @Test
    @DisplayName("Should get integer property with default value")
    void testGetIntWithDefault() {
        assertEquals(123, Config.getInt(testProperties, "test.int", 0));
        assertEquals(456, Config.getInt(testProperties, "nonexistent.int", 456));
        assertEquals(789, Config.getInt(testProperties, "test.invalid.int", 789));
    }

    @Test

                () -> assertTrue(OID_PATTERN.matcher(SpnegoConstants.KERBEROS_MECHANISM).matches(), "Invalid OID: KERBEROS_MECHANISM"),
                () -> assertTrue(OID_PATTERN.matcher(SpnegoConstants.LEGACY_KERBEROS_MECHANISM).matches(),
                        "Invalid OID: LEGACY_KERBEROS_MECHANISM"),

 * <p>Example usage:</p>
 * <pre>
 *     RequestHeader header = new RequestHeader("Content-Type", "application/json");
 *     String name = header.getName();
 *     String value = header.getValue();
 *     boolean isValid = header.isValid();
 * </pre>
 *
 * <p>Note: The name should not be blank and the value should not be null for the header to be considered valid.</p>
 *
 * @see java.io.Serializable
 */

        assertEquals(21, sid.sub_authority[0]);
        assertEquals(1, sid.sub_authority[1]);
    }

    /**
     * Test constructor with an invalid SID string.
     */
    @Test
    void testStringConstructorInvalidFormat() {
        assertThrows(SmbException.class, () -> new SID("invalid-sid"));
        assertThrows(SmbException.class, () -> new SID("S-1"));
    }

    /**
     * Test constructor with a byte array.
     */

        // Test get(String url) with a malformed URL
        String malformedUrl = "invalid-url";
        CIFSException thrown = assertThrows(CIFSException.class, () -> {
            cifsContextWrapper.get(malformedUrl);
        });
        assertTrue(thrown.getMessage().contains("Invalid URL"));
        assertTrue(thrown.getCause() instanceof MalformedURLException);
    }

    @Test

        // Test GoodBot - should parse valid directives and ignore invalid ones
        assertNotNull(robotsTxt.getDirective("goodbot"));
        assertFalse(robotsTxt.allows("/admin/", "GoodBot"));
        assertTrue(robotsTxt.allows("/public/", "GoodBot"));
        // Invalid directives should not cause parsing to fail

        // Test crawl-delay with invalid values
        // Invalid number should be ignored, valid ones should work

    @Test
    @DisplayName("Should handle invalid NetBIOS name quickly")
    @Timeout(value = 1, unit = TimeUnit.SECONDS) // Very short timeout
    void testGetNbtByNameInvalid() {
        // When/Then - Should fail quickly with invalid characters
        assertThrows(Exception.class, () -> {
            nameServiceClient.getNbtByName("INVALID@#$%NAME");
        }, "Should throw exception for invalid NetBIOS name");
    }

    @Test