assertTrue(validator.isValid(null, context));
    }

    public void test_isValid_blankValue() {
        final ConstraintValidatorContext context = null;
        assertTrue(validator.isValid(" ", context));
        assertTrue(validator.isValid("   ", context));
        assertTrue(validator.isValid("\t", context));
        assertTrue(validator.isValid("\n", context));
    }

        props.setProperty("jcifs.smb.client.useRDMA", "invalid");
        props.setProperty("jcifs.smb.client.rdmaReadWriteThreshold", "invalid");
        props.setProperty("jcifs.smb.client.rdmaMaxSendSize", "invalid");
        props.setProperty("jcifs.smb.client.rdmaMaxReceiveSize", "invalid");
        props.setProperty("jcifs.smb.client.rdmaCredits", "invalid");

        PropertyConfiguration config = new PropertyConfiguration(props);

     */
    @Test
    public void testReleaseBufferValidation() {
        // Given - Various invalid buffers
        byte[] nullBuffer = null;
        byte[] wrongSizeBuffer = new byte[100]; // Wrong size
        byte[] correctBuffer = new byte[SmbComTransaction.TRANSACTION_BUF_SIZE];

        // When/Then - Should handle invalid buffers gracefully
        assertDoesNotThrow(() -> {

    }

    // Ensures watch() fails fast if the underlying handle is invalid
    @Test
    @DisplayName("watch() throws when handle invalid")
    void watch_invalidHandle_throwsSmbException() throws Exception {
        when(handle.isValid()).thenReturn(false);
        SmbWatchHandleImpl sut = new SmbWatchHandleImpl(handle, 0, false);

	SWPW.S	R1, (R2), R3       // ERROR "invalid .S suffix"
	MOVF.S	(R0), F1           // ERROR "invalid .S suffix"
	MOVF.S	F9, (R4)           // ERROR "invalid .S suffix"
	MOVF.S	0xfff0(R0), F1     // ERROR "invalid .S suffix"
	MOVF.S	F9, 0xfff0(R4)     // ERROR "invalid .S suffix"
	ADDF.S	F1, F2, F3         // ERROR "invalid .S suffix"
	SUBD.U	F1, F2             // ERROR "invalid .U suffix"

        // Test blank string (should be valid)
        bean.setCronExpression("   ");
        violations = validator.validate(bean);
        assertTrue(violations.isEmpty());
    }

    // Test validation with invalid cron expressions
    public void test_invalidCronExpressions() {
        TestBean bean = new TestBean();

        // Test invalid cron expression
        bean.setCronExpression("invalid");

    int NT_STATUS_NOT_IMPLEMENTED = 0xC0000002;
    /** The specified information class is invalid */
    int NT_STATUS_INVALID_INFO_CLASS = 0xC0000003;
    /** Invalid access to memory location */
    int NT_STATUS_ACCESS_VIOLATION = 0xC0000005;
    /** The handle is invalid */
    int NT_STATUS_INVALID_HANDLE = 0xC0000008;
    /** The parameter is incorrect */

        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.
     */

            } catch (NumberFormatException e) {
                // Invalid value ignored
            }
        }

        value = props.getProperty("jcifs.smb.client.soTimeout");
        if (value != null) {
            try {
                this.smbSocketTimeout = Integer.parseInt(value);
            } catch (NumberFormatException e) {
                // Invalid value ignored
            }
        }

		},
		{bucketName: "a", objName: "obj", PartID: 1, expectedError: fmt.Errorf("%s", "Bucket name invalid: a")},
		// Test case - 5.
		// Case with invalid object names.
		{bucketName: bucket, PartID: 1, expectedError: fmt.Errorf("%s", "Object name invalid: minio-bucket/")},
		// Test case - 6.
		// Valid object and bucket names but non-existent bucket.