/// <summary>
/// Phương thức kiểm tra xem dã đầy đủ câu trả lời chưa, nếu chưa trả về lỗi, còn không bỏ trống
/// </summary>
public string IsFullAnswers()
{
if (!Config.IsCheckFullTestPaper)
{
return(string.Empty);
}
if (!ListeningTestPaper.IsPaperFullSelection())
{
return("You have not yet answered all the questions of the Listening test");
}
if (!ReadingTestPaper.IsPaperFullSelection())
{
return("You have not yet answered all the questions of the Reading test");
}
if (!WritingTestPaper.IsPaperFullSelection())
{
return("You have not written the Writing Part 2 section");
}
if (string.IsNullOrEmpty(WritingTestPaper.WritingPartTwos.UserParagraph))
{
return("You have not yet answered all the questions of the Writing test");
}
// Đã đầy đủ thì trả về rỗng
return(string.Empty);
}
