public void TestConstructorWithBadNumberOfCards(int numberOfCards)
{
// ARRANGE
IAxiom axiom = new Axiom();
ICard topCard = new Card(Colour.Blue, Number.Five, axiom);
// ACT
ArgumentOutOfRangeException argumentOutOfRangeException = null;
IRuleScore ruleScore = null;
try
{
ruleScore = new RuleScore(
numberOfCards: numberOfCards,
topCard: topCard);
}
catch (ArgumentOutOfRangeException ex)
{
argumentOutOfRangeException = ex;
}
// ASSERT
if (argumentOutOfRangeException != null)
{
Console.WriteLine(argumentOutOfRangeException.ToString());
}
Assert.IsNotNull(argumentOutOfRangeException, "Expected exception not thrown");
Assert.IsNull(ruleScore, "ruleScore == null");
}
public void TestConstructorWithPositiveNumberOfCardsAndNullTopCard()
{
// ARRANGE
const int numberOfCards = 1;
// ACT
ArgumentException argumentException = null;
IRuleScore ruleScore = null;
try
{
ruleScore = new RuleScore(
numberOfCards: numberOfCards,
topCard: null);
}
catch (ArgumentException ex)
{
argumentException = ex;
}
// ASSERT
if (argumentException != null)
{
Console.WriteLine(argumentException.ToString());
}
Assert.IsNotNull(argumentException, "argumentException != null");
Assert.IsNull(ruleScore, "ruleScore == null");
}
public void TestConstructorWithZeroNumberOfCardsAndNullTopCard()
{
// ARRANGE
IAxiom axiom = new Axiom();
const int numberOfCards = 0;
ICard topCard = new Card(Colour.Blue, Number.Five, axiom);
// ACT
ArgumentException argumentException = null;
IRuleScore ruleScore = null;
try
{
ruleScore = new RuleScore(
numberOfCards: numberOfCards,
topCard: topCard);
}
catch (ArgumentException ex)
{
argumentException = ex;
}
// ASSERT
if (argumentException != null)
{
Console.WriteLine(argumentException.ToString());
}
Assert.IsNotNull(argumentException, "argumentException != null");
Assert.IsNull(ruleScore, "ruleScore == null");
}
/// <summary>
/// Compare this Rule Score to another.
/// </summary>
/// <param name="other">Rule Score to compare to.</param>
/// <returns>-1 if lower, 1 if higher and 0 if the same.</returns>
public int CompareTo(IRuleScore other)
{
if (other == null)
{
throw new ArgumentNullException(nameof(other));
}
if (this.NumberOfCards > other.NumberOfCards)
{
return(1);
}
if (this.NumberOfCards < other.NumberOfCards)
{
return(-1);
}
// When the number of cards is zero then then top card will be null.
// Hence there is no top card to compare with.
if (this.NumberOfCards == 0)
{
return(0);
}
return(this.TopCard.CompareTo(other.TopCard));
}
public void TestScore()
{
// ARRANGE
IAxiom axiom = new Axiom();
IList <ICard> cards = new List <ICard>
{
new Card(Colour.Blue, Number.Five, axiom),
new Card(Colour.Red, Number.Four, axiom),
new Card(Colour.Green, Number.Four, axiom),
new Card(Colour.Blue, Number.Two, axiom),
};
IRule orangeRule = new OrangeRule();
IPalette palette = new Palette(cards);
// ACT
IRuleScore ruleScore = orangeRule.Score(palette);
// ASSERT
Assert.IsNotNull(ruleScore);
Assert.AreEqual(expected: 2, actual: ruleScore.NumberOfCards);
Assert.IsNotNull(ruleScore.TopCard);
Assert.AreEqual(Colour.Red, ruleScore.TopCard.Colour);
Assert.AreEqual(Number.Four, ruleScore.TopCard.Number);
}
/// <inheritdoc/>
public IList <ICard> ScoringCards(IPalette palette)
{
IRuleScore ruleScore = this.Score(palette);
return(palette.Cards
.Where(c => c.Colour == ruleScore.TopCard.Colour)
.ToList());
}
/// <inheritdoc />
public IList <ICard> ScoringCards(IPalette palette)
{
if (palette == null)
{
throw new ArgumentNullException(nameof(palette));
}
IRuleScore ruleScore = this.Score(palette);
return(palette.Cards
.Where(c => c.Number == ruleScore.TopCard.Number)
.ToList());
}
public void TestScoreWithNoEvenCards()
{
// ARRANGE
IAxiom axiom = new Axiom();
IList <ICard> cards = new List <ICard>
{
new Card(Colour.Blue, Number.Five, axiom),
new Card(Colour.Red, Number.Seven, axiom),
new Card(Colour.Green, Number.Seven, axiom),
};
IRule greenRule = new GreenRule(axiom);
IPalette palette = new Palette(cards);
// ACT
IRuleScore ruleScore = greenRule.Score(palette);
// ASSERT
Assert.IsNotNull(ruleScore);
Assert.AreEqual(expected: 0, actual: ruleScore.NumberOfCards);
Assert.IsNull(ruleScore.TopCard);
}
