public static IEnumerable <TestCaseData> TestCase2(string testName)
{
const int minValue = 1;
const int maxValue = 101;
const int iterations = 1_000_000;
const float maxDeviationPercent = 10;
int count = maxValue - minValue;
int[] values1 = Enumerable.Range(minValue, count).ToArray();
int[] values2 = values1.Select(value => value == minValue + 1 ? minValue : value).ToArray();
int[] values3 = values1.Select(value => value == count - 1 ? count : value).ToArray();
IValueProvider <int> valueProviderRandomStandard = ValueProvider.Create(() => GetNextRandomStandardValue(minValue, maxValue));
IValueProvider <int> valueProviderRandomCrypto = ValueProvider.Create(() => GetNextRandomCryptoValue(minValue, maxValue));
IValueProvider <int> valueProviderStub1 = ValueProviderStub.Create(values1);
IValueProvider <int> valueProviderStub2 = ValueProviderStub.Create(values2);
IValueProvider <int> valueProviderStub3 = ValueProviderStub.Create(values3);
yield return(new TestCaseData(valueProviderRandomStandard, minValue, maxValue, iterations, maxDeviationPercent).SetName($"{testName} - Random Standard").Returns(true));
yield return(new TestCaseData(valueProviderRandomCrypto, minValue, maxValue, iterations, maxDeviationPercent).SetName($"{testName} - Random Crypto").Returns(true));
yield return(new TestCaseData(valueProviderStub1, minValue, maxValue, count, maxDeviationPercent).SetName($"{testName} - ValueProviderStub - 1").Returns(true));
yield return(new TestCaseData(valueProviderStub2, minValue, maxValue, count, maxDeviationPercent).SetName($"{testName} - ValueProviderStub - 2").Returns(false));
yield return(new TestCaseData(valueProviderStub3, minValue, maxValue, count, maxDeviationPercent).SetName($"{testName} - ValueProviderStub - 3").Returns(false));
}
// After all cards have been retrieved by the GetCard2() method the RemainingCards
// property must be empty.
public void WhenAllCardsHaveBeenRetrievedByInvokingTheGetCard2Method_ThenTheRemainingCardsPropertyIsEmpty()
{
Card[] allCards = GetAllCards();
CardGame cardGame = new CardGame(ValueProviderStub.Create <Card>(allCards));
for (int i = 0; i < allCards.Length; i++) // After the last iteration of this
{
_ = cardGame.GetCard2(); // loop there will be no cards remaining.
}
CollectionAssert.IsEmpty(cardGame.RemainingCards); // RemainingCards property must be
// empty at this point.
}
// If the GetCard2() method is invoked when there are no cards remaining then an
// InvalidOperationException should be thrown.
// InvalidOperationException: There are no cards remaining to dispurse.
public void WhenCardsRemainingPropertyIsEmptyAndTheGetCard2MethodIsInvoked_ThenAnInvalidOperationExceptionIsThrown()
{
Card[] allCards = GetAllCards();
CardGame cardGame = new CardGame(ValueProviderStub.Create <Card>(allCards));
for (int i = 0; i < allCards.Length; i++) // After the last iteration of this
{
_ = cardGame.GetCard2(); // loop there will be no cards remaining.
}
Assert.Throws <InvalidOperationException>(() => cardGame.GetCard2()); // Attempting to get a card when there
// are no cards remaining should throw
// an exception.
}
// After a card is retrieved by the GetCard2() method the RemainingCards
// property must no longer contain the card retrieved.
public void WhenACardIsRetrievedByInvokingTheGetCard2Method_ThenTheCardIsNoLongerContainedInTheRemainingCardsSet()
{
Card[] allCards = GetAllCards();
CardGame cardGame = new CardGame(ValueProviderStub.Create <Card>(allCards));
for (int i = 0; i < allCards.Length; i++)
{
Card card = cardGame.GetCard2(); // Retrieve one card.
CollectionAssert.DoesNotContain(cardGame.RemainingCards, card); // Verify that the card retrieved is no
// longer contained in the RemainingCards
// set.
}
}
public static IEnumerable <TestCaseData> TestCase1(string testName)
{
const int minValue = 1;
const int maxValue = 1001;
int count = maxValue - minValue;
IValueProvider <int> valueProviderRandomStandard = ValueProvider.Create(() => GetNextRandomStandardValue(minValue, maxValue));
IValueProvider <int> valueProviderRandomCrypto = ValueProvider.Create(() => GetNextRandomCryptoValue(minValue, maxValue));
IValueProvider <int> valueProviderStub = ValueProviderStub.Create(Enumerable.Range(minValue, count).ToArray());
yield return(new TestCaseData(valueProviderRandomStandard, count).SetName($"{testName} - Random Standard"));
yield return(new TestCaseData(valueProviderRandomCrypto, count).SetName($"{testName} - Random Crypto"));
yield return(new TestCaseData(valueProviderStub, count).SetName($"{testName} - ValueProviderStub"));
}
