"flags should be DCERPC_FIRST_FRAG | DCERPC_LAST_FRAG");
        // Verify that the super constructor was called with the correct handle.
        // This is implicitly tested by the object being created without error and
        // the fields set by the constructor being correct.
    }

    }

    /**
     * Test method for {@link jcifs.pac.PacSidAttributes#getAttributes()}.
     */
    @Test
    void testGetAttributes() {
        // Test the getAttributes method
        assertEquals(attributes, pacSidAttributes.getAttributes(), "getAttributes should return the correct attributes.");
    }

                    "Should return correct message for error 1");
            assertEquals("DCERPC_BIND_ERR_PROPOSED_TRANSFER_SYNTAXES_NOT_SUPPORTED", getResultMessageMethod.invoke(null, 2),
                    "Should return correct message for error 2");
            assertEquals("DCERPC_BIND_ERR_LOCAL_LIMIT_EXCEEDED", getResultMessageMethod.invoke(null, 3),
                    "Should return correct message for error 3");
        }

    /**
     * Tests that the getter for the underlying pipe resource returns the correct instance.
     */
    @Test
    public void testGetPipe() {
        assertEquals(mockPipeResource, smbPipeHandle.getPipe(), "getPipe() should return the underlying pipe resource.");
    }

    /**
     * Tests that the getter for the input stream returns the correct stream.
     * @throws CIFSException if an error occurs while getting the stream.

        byte[] src = "Test".getBytes();

        // Test with non-null source array
        int nextOffset = NtlmMessage.writeSecurityBuffer(dest, 0, src);
        assertEquals(4, nextOffset, "Should return correct next offset.");
        assertEquals(src.length, NtlmMessage.readUShort(dest, 0), "Length should be written correctly.");
        assertEquals(src.length, NtlmMessage.readUShort(dest, 2), "Max length should be written correctly.");

        assertEquals(mockSid, pacGroup.getId(), "getId() should return the correct SID.");
    }

    /**
     * Test method for {@link jcifs.pac.PacGroup#getAttributes()}.
     */
    @Test
    void testGetAttributes() {
        // Test the getAttributes method
        assertEquals(attributes, pacGroup.getAttributes(), "getAttributes() should return the correct attributes.");
    }

            // Then
            assertEquals(currentTime, lastModified, "Should return correct last modified time");
            assertEquals(currentTime - 1000, lastAccess, "Should return correct last access time");
            assertEquals(currentTime - 2000, createTime, "Should return correct create time");
            assertTrue(createTime <= lastAccess, "Create time should be before or equal to last access");

        assertEquals(mockConfig, responseConfig);

        // Verify response has correct fileId
        assertEquals(testFileId, response.getFileId());

        // Verify response has correct fileName
        assertEquals(testFileName, response.getFileName());
    }

    @Test
    @DisplayName("size should return correct message size")
    void testSize() {

        int errorCode = 0x00000005; // DCERPC_FAULT_ACCESS_DENIED
        DcerpcException exception = new DcerpcException(errorCode);
        assertEquals(errorCode, exception.getErrorCode(), "getErrorCode() should return the correct error code.");
    }

    /**
     * Test getRootCause() method (deprecated).
     */
    @Test
    void testGetRootCause() {
        Throwable cause = new IllegalArgumentException("Invalid argument.");

    }

    /**
     * Test getInitialSize() returns the correct size.
     */
    @Test
    void testGetInitialSize() {
        long expectedSize = 1024L;
        when(smbFileHandle.getInitialSize()).thenReturn(expectedSize);
        long actualSize = smbFileHandle.getInitialSize();
        assertEquals(expectedSize, actualSize, "getInitialSize should return the correct initial file size.");