void testSetFileInformationClass() {
        request = new Smb2QueryDirectoryRequest(mockConfig);

        request.setFileInformationClass(Smb2QueryDirectoryRequest.FILE_FULL_DIRECTORY_INFO);

        // Verify by writing to buffer and checking the fileInformationClass position
        byte[] buffer = new byte[1024];
        request.writeBytesWireFormat(buffer, Smb2Constants.SMB2_HEADER_LENGTH);

        // Verify results is now set (even if empty)
        assertNotNull(response.getResults());
    }

    @ParameterizedTest
    @CsvSource({ "0x01, FILE_DIRECTORY_INFO", "0x02, FILE_FULL_DIRECTORY_INFO", "0x03, FILE_BOTH_DIRECTORY_INFO" })
    @DisplayName("Test constructor with different info class constants")
    void testConstructorWithDifferentInfoClasses(byte infoClass, String description) {