}

    /**
     * Creates a Type-1 message using default values from the current
     * environment.
     */
    public Type1Message() {
        this(getDefaultFlags(), getDefaultDomain(), getDefaultWorkstation());
    }

    /**
     * Creates a Type-1 message with the specified parameters.
     *
     * @param flags The flags to apply to this message.
     * @param suppliedDomain The supplied authentication domain.

    public void test_constructor_withMessage() {
        // Test constructor with message only
        String message = "Test error message";
        SearchEngineClientException exception = new SearchEngineClientException(message);

        assertNotNull(exception);
        assertEquals(message, exception.getMessage());
        assertNull(exception.getCause());
    }

            // Then: Should have correct values
            assertEquals(0x3e, message.getOpnum());
            assertEquals("system", message.system_name);
            assertEquals(456, message.unknown);
            assertEquals(123, message.access_mask);
            assertEquals(mockPolicyHandle, message.handle);
        }

        @Test
        @DisplayName("Should encode input with non-null system name")

        // Test constructor with message only
        String message = "Script engine error occurred";
        ScriptEngineException exception = new ScriptEngineException(message);

        assertEquals(message, exception.getMessage());
        assertNull(exception.getCause());
    }

    public void test_constructor_withMessageAndCause() {
        // Test constructor with message and cause

        assertEquals(message, exception.getMessage(), "Message should match the input.");
        assertNull(exception.getCause(), "Cause should be null for message-only constructor.");
    }

    /**
     * Test constructor DcerpcException(String msg, Throwable rootCause).
     */
    @Test
    void testConstructorWithMessageAndCause() {
        String message = "Test message with cause.";

 */
public abstract class DcerpcMessage extends NdrObject implements DcerpcConstants {

    /**
     * Default constructor for DcerpcMessage.
     * Initializes the DCE/RPC message structure.
     */
    protected DcerpcMessage() {
        // Default constructor
    }

    /**
     * The packet type of this DCERPC message
     */
    protected int ptype = -1;

        // Test with empty message string
        int statusCode = 404;
        String message = "";

        WebApiException exception = new WebApiException(statusCode, message);

        assertEquals(statusCode, exception.getStatusCode());
        assertEquals(message, exception.getMessage());
    }

    public void test_message_nullString() {
        // Test with null message string
        int statusCode = 500;

        // Test constructor with message only
        String message = "Thumbnail generation failed";
        ThumbnailGenerationException exception = new ThumbnailGenerationException(message);

        assertEquals(message, exception.getMessage());
        assertNull(exception.getCause());
    }

    public void test_constructorWithMessageAndCause() {
        // Test constructor with message and cause

    @ParameterizedTest
    @MethodSource("intErrorCodes")
    @DisplayName("int ctor: sets message and NT status as expected")
    void intConstructor_populatesMessageAndStatus(int errCode, int expectedStatus) {
        // Arrange & Act: create exception with error code
        SmbAuthException ex = new SmbAuthException(errCode);

        // Assert: type, message derived from code, status mapping, and no cause
        assertNotNull(ex);

        assertEquals(message, exception.getMessage());
        assertNull(exception.getCause());
    }

    public void test_constructorWithMessageAndNullCause() {
        // Test constructor with message and null cause
        String message = "Query processing error";

        SearchQueryException exception = new SearchQueryException(message, null);

        assertEquals(message, exception.getMessage());