public override Document Import()
{
var toret = new Document();
Question q = null;
string line;
toret.Clear();
line = this.ReadLine();
while ( line != null ) {
line = line.Trim();
if ( line.Length > 0 ) {
if ( IsQuestion( ref line ) ) {
if ( q != null ) {
toret.Add( q );
}
q = new Question( line );
q.ClearAnswers();
}
else
if ( IsAnswer( ref line ) ) {
q.AddAnswer( line );
}
}
line = this.ReadLine();
}
if ( q != null ) {
toret.Add( q );
}
return toret;
}
public void TestClearing()
{
var question = new Question("question");
question.AddAnswer(new Answer("test", true));
question.AddAnswer(new Answer("test2", false));
Assert.AreEqual(question.Answers.Length, 2);
question.ClearAnswers();
Assert.AreEqual(question.Answers.Length, 0);
}