public void ItemsCanBeRemovedFromBag()
{
var bag = new RandomBag <int>(new[] { 1, 2, 3 });
Assert.IsFalse(bag.Empty);
bag.Next();
bag.Next();
bag.Next();
Assert.IsTrue(bag.Empty);
Assert.AreEqual(0, bag.Count);
}
/// <summary>
/// Get a question and answers, with a list of possible incorrect answers.
/// </summary>
/// <param name="question"></param>
/// <param name="correctAnswer"></param>
/// <param name="wrongAnswers"></param>
public void GetQuestion(out FlashCard questionCard, out Translation correctTranslation, out List <FlashCard> wrongQuestionCards, out List <Translation> wrongTranslations)
{
//grab a random flash card to be the question
questionRand.MaxNum = Cards.Count - 1;
var cardIndex = questionRand.Next();
questionCard = Cards[cardIndex];
//Get the correct answer
var correctIndex = translationRand.Next(questionCard.Translations.Count);
var correctAnswer = questionCard.Translations[correctIndex];
correctTranslation = correctAnswer;
//add all the possible incorrect answers
wrongQuestionCards = new List <FlashCard>();
wrongTranslations = new List <Translation>();
for (int i = 0; i < Cards.Count; i++)
{
if (cardIndex != i)
{
//Get the translation from this card that matches the correct answer
var wrongCard = Cards[i];
var wrongAnswer = wrongCard.Translations.FirstOrDefault(x => x.Language == correctAnswer.Language);
if (null != wrongAnswer)
{
wrongQuestionCards.Add(wrongCard);
wrongTranslations.Add(wrongAnswer);
}
}
}
}
public void AllItemsInBagArePresentInOutput()
{
var items = GetRandomItems(20, 100);
var bag = new RandomBag <int>(items);
var results = new Dictionary <int, int>();
while (!bag.Empty)
{
var value = bag.Next();
if (!results.ContainsKey(value))
{
results.Add(value, 0);
}
results[value]++;
}
foreach (var item in items)
{
results[item]--;
}
Assert.IsFalse(results.Any(p => p.Value != 0));
}
public void ItemsCannotBeRemovedWhenBagIsEmpty()
{
var bag = new RandomBag <int>();
Assert.IsTrue(bag.Empty);
Assert.Throws <InvalidOperationException>(() => bag.Next());
}
override protected BubbleType GenerateElement()
{
ChangeBucket();
if (bag.Empty)
{
RefillBag();
}
currentCount++;
return(bag.Next());
}
/// <summary>Генерируется случайная фигура из мешка, исходя из истории.</summary>
/// <returns>Возвращается случайное число от 1 до 8.</returns>
public static GameShape RandomFigure()
{
int rnd = _random.Next();
_random.AddShapeToHistory(rnd);
if (Tetris.Properties.Game.Default.CheatSquare)
{
return(new GameShape((CellType)4));
}
if (Tetris.Properties.Game.Default.CheatLine)
{
return(new GameShape((CellType)7));
}
return(new GameShape((CellType)rnd));
}
private GameObject CreateNextBubble()
{
if (bubbleTypePicker.Empty)
{
bubbleTypePicker.AddRange(possibleBubbleTypes);
}
var bubble = level.bubbleFactory.CreateByType(bubbleTypePicker.Next());
bubble.transform.parent = launchLocation.transform;
bubble.transform.position = launchLocation.transform.position;
bubble.layer = (int)Layers.Default;
bubble.AddComponent <BubbleParty>();
return(bubble);
}
public void ItemsComeFromBagInRandomOrder()
{
var items = GetRandomItems(50, 100);
var bag = new RandomBag <int>(items);
var results = items.Select(i => bag.Next()).ToArray();
int differences = 0;
for (var index = 0; index < items.Length; index++)
{
if (items[index] != results[index])
{
differences++;
}
}
Assert.Greater(differences, 0);
}
