public void WhenResponseHasLessElementsThanMax_ThenIndicatesNoErrorOnResponse()
{
var template = new MultipleSelectionQuestionTemplate()
{
Range = new[] { "one", "two", "three" },
MaxSelections = 2
};
var question = template.CreateNewQuestion() as MultipleSelectionQuestion;
var notifyErrorInfo = (INotifyDataErrorInfo)question;
question.Response = new[] { "one" };
Assert.IsFalse(notifyErrorInfo.GetErrors("Response").Cast <ValidationResult>().Any());
}
public void WhenSettingASelectionOnTheViewModel_ThenHasChangesIsTrue()
{
var template = new MultipleSelectionQuestionTemplate {
Range = new[] { "a", "b", "c" }, MaxSelections = 2
};
var question = template.CreateNewQuestion() as MultipleSelectionQuestion;
var viewModel = new MultipleSelectionQuestionViewModel(question);
int responseChanges = 0;
viewModel.ResponseChanged += (s, e) => responseChanges++;
viewModel.Selections.Add("a");
Assert.IsTrue(viewModel.HasChanges);
}
