protected override QuizItem LoadElement(XmlNode e)
{
QuizItem result = null;
if (e.Name == "quiz")
{
result = new Quiz();
((Quiz)result).Title = e.Attributes["title"].Value;
}
if (e.Name == "container")
{
result = new QuizItemContainer();
}
if (e.Name == "question")
{
result = new Question(e.Attributes["text"].Value, bool.Parse(e.Attributes["multichoice"].Value));
foreach (XmlNode ch in e.ChildNodes)
{
((Question)result).Answers.Add(new Answer(
ch.Attributes["text"].Value,
bool.Parse(ch.Attributes["correct"].Value)
));
}
}
return(result);
}
protected QuizItem WalkLoad(Stream s)
{
QuizItem result = null;
int type = s.ReadByte();
if (type == 0)
{
int count = s.ReadByte();
QuizItemContainer res = new QuizItemContainer();
for (int i = 0; i < count; i++)
{
res.Items.Add(WalkLoad(s));
}
result = res;
}
if (type == 1)
{
int count = s.ReadByte();
Question res = new Question(Util.ReadString(s), s.ReadByte() == 1);
for (int i = 0; i < count; i++)
{
res.Answers.Add(new Answer(Util.ReadString(s), s.ReadByte() == 1));
}
result = res;
}
return(result);
}
protected override QuizItem LoadElement(XElement e)
{
QuizItem result = null;
if (e.Name == "quiz")
{
result = new Quiz();
((Quiz)result).Title = e.Attribute("title").Value;
}
if (e.Name == "container")
{
result = new QuizItemContainer();
}
if (e.Name == "question")
{
result = new Question(e.Attribute("text").Value, bool.Parse(e.Attribute("multichoice").Value));
foreach (XElement ch in e.Descendants())
{
((Question)result).Answers.Add(new Answer(
ch.Attribute("text").Value,
bool.Parse(ch.Attribute("correct").Value)
));
}
}
return(result);
}
protected void WalkSave(QuizItem i, Stream s)
{
if (i is QuizItemContainer)
{
s.WriteByte(0);
QuizItemContainer c = (QuizItemContainer)i;
s.WriteByte((byte)c.Items.Count);
foreach (QuizItem item in c)
{
WalkSave(item, s);
}
}
if (i is Question)
{
s.WriteByte(1);
Question c = (Question)i;
s.WriteByte((byte)c.Answers.Count);
Util.WriteString(s, c.Text);
s.WriteByte((byte)(c.Multichoice ? 1 : 0));
foreach (Answer item in c)
{
Util.WriteString(s, item.Text);
s.WriteByte((byte)(item.Correct ? 1 : 0));
}
}
}
public static Quiz GetQuiz()
{
Quiz q = new Quiz();
QuizItemContainer q1 = new QuizItemContainer();
Question qe1 = new Question("Q1", false);
qe1.Answers.AddRange(new List <Answer> {
new Answer("A1", false), new Answer("A2", true)
});
Question qe2 = new Question("Q2", true);
qe2.Answers.AddRange(new List <Answer> {
new Answer("A1", false), new Answer("A2", true), new Answer("A3", true)
});
q1.Add(qe1);
q1.Add(qe2);
Question qe3 = new Question("Q2", true);
qe3.Answers.AddRange(new List <Answer> {
new Answer("A1", true), new Answer("A2", true), new Answer("A3", false)
});
q.Add(q1);
q.Add(qe3);
q.Title = "Test";
return(q);
}
public void GetQuestionCountTest()
{
QuizItemContainer target = Fixture.GetQuiz();
int expected = 3;
int actual;
actual = target.GetQuestionCount();
Assert.AreEqual(expected, actual);
}
public void GetCorrectAnswerCountTest()
{
QuizItemContainer target = Fixture.GetQuiz();
((Question)((QuizItemContainer)target[0])[0]).SelectAnswer(1);
((Question)target[1]).SelectAnswer(1);
int expected = 1;
int actual;
actual = target.GetCorrectAnswerCount();
Assert.AreEqual(expected, actual);
}
public void IsAnsweredCorrectlyTest()
{
QuizItemContainer target = Fixture.GetQuiz();
((Question)((QuizItemContainer)target[0])[0]).SelectAnswer(1);
((Question)target[1]).SelectAnswer(1);
Assert.IsFalse(target.IsAnsweredCorrectly());
((Question)((QuizItemContainer)target[0])[1]).SelectAnswer(1);
((Question)((QuizItemContainer)target[0])[1]).SelectAnswer(2);
((Question)target[1]).SelectAnswer(1);
((Question)target[1]).SelectAnswer(0);
Assert.IsTrue(target.IsAnsweredCorrectly());
}
public void IsAnsweredTest()
{
QuizItemContainer target = Fixture.GetQuiz();
bool expected = false;
bool actual;
actual = target.IsAnswered();
Assert.AreEqual(expected, actual);
((Question)((QuizItemContainer)target[0])[0]).SelectAnswer(1);
((Question)((QuizItemContainer)target[0])[1]).SelectAnswer(1);
((Question)target[1]).SelectAnswer(1);
actual = target.IsAnswered();
Assert.IsTrue(actual);
}
protected QuizItem WalkLoad(Stream s)
{
QuizItem result = null;
int type = s.ReadByte();
if (type == 0)
{
int count = s.ReadByte();
QuizItemContainer res = new QuizItemContainer();
for (int i = 0; i < count; i++)
res.Items.Add(WalkLoad(s));
result = res;
}
if (type == 1)
{
int count = s.ReadByte();
Question res = new Question(Util.ReadString(s), s.ReadByte() == 1);
for (int i = 0; i < count; i++)
res.Answers.Add(new Answer(Util.ReadString(s), s.ReadByte() == 1));
result = res;
}
return result;
}
public void QuizItemContainerConstructorTest()
{
QuizItemContainer target = new QuizItemContainer();
Assert.AreEqual(target.GetQuestionCount(), 0);
}
