public void AskManyQuestions()
{
var categoryQuestions = new CategoryQuestions("anything");
categoryQuestions.AddQuestion("first");
categoryQuestions.AddQuestion("second");
Assert.Equal("first", categoryQuestions.NextQuestion());
Assert.Equal("second", categoryQuestions.NextQuestion());
}
public void AskTooManyQuestions()
{
var categoryQuestions = new CategoryQuestions("anything");
categoryQuestions.AddQuestion("first");
categoryQuestions.NextQuestion();
var ex = Record.Exception(() => categoryQuestions.NextQuestion());
Assert.IsType <InvalidOperationException>(ex);
Assert.Contains("out of questions", ex.Message, StringComparison.InvariantCultureIgnoreCase);
}