public void TestPrev()
{
facade.Start(1);
facade.Next(1);
facade.Next(1);
Assert.AreEqual(questions[2], facade.GetCurrentQuestion(1));
Assert.AreEqual(3, facade.GetCurrentQuestionIndex(1));
Assert.AreEqual(3, facade.GetTotalQuestions(1));
facade.Prev(1);
Assert.AreEqual(questions[1], facade.GetCurrentQuestion(1));
Assert.AreEqual(2, facade.GetCurrentQuestionIndex(1));
Assert.AreEqual(3, facade.GetTotalQuestions(1));
facade.Prev(1);
Assert.AreEqual(questions[0], facade.GetCurrentQuestion(1));
Assert.AreEqual(1, facade.GetCurrentQuestionIndex(1));
Assert.AreEqual(3, facade.GetTotalQuestions(1));
facade.Prev(1);
Assert.AreEqual(questions[0], facade.GetCurrentQuestion(1));
Assert.AreEqual(1, facade.GetCurrentQuestionIndex(1));
Assert.AreEqual(3, facade.GetTotalQuestions(1));
}
public void Prev(int quizId)
{
log.Debug("Trigger previous question: " + quizId);
_quiz.Prev(quizId);
QuizQuestion currentQuestion = _quiz.GetCurrentQuestion(quizId);
LiveQuizModelView question = MapQuizToViewModel(currentQuestion);
Clients.All.setQuestion(quizId, JsonConvert.SerializeObject(question));
log.Debug("Broadcast question: " + JsonConvert.SerializeObject(question));
if (question != null)
{
string stats = _quiz.GetAnswerStatistic(question.QuestionID);
Clients.All.setStats(quizId, stats);
log.Debug("Broadcast answer statistic: " + stats);
}
}