public void SnapCardComparerComparesAcesAs1()
{
// Arrange
IComparer <ICard> comparer = new SnapCardComparer();
// Act
var test = comparer.Compare(new SnapCard(Suit.Spades, Rank.Ace), new SnapCard(Suit.Spades, Rank.Two));
// Assert
Assert.AreEqual(-1, test);
}
public void SnapCardComparerComparesEverythingGreaterThanNull()
{
// Arrange
IComparer <ICard> comparer = new SnapCardComparer();
// Act
var test = comparer.Compare(null, new SnapCard(Suit.Spades, Rank.Ace));
// Assert
Assert.AreEqual(1, test);
}
public void SnapCardComparerComparesNullLessThanEverything()
{
// Arrange
IComparer <ICard> comparer = new SnapCardComparer();
// Act
var test = comparer.Compare(new SnapCard(Suit.Spades, Rank.Ace), null);
// Assert
Assert.AreEqual(-1, test);
}
public void SnapCardComparerComparesNullsAsEqual()
{
// Arrange
IComparer <ICard> comparer = new SnapCardComparer();
// Act
var test = comparer.Compare(null, null);
// Assert
Assert.AreEqual(0, test);
}
public void SnapCardComparerSortsNullToFirstInList()
{
// Arrange
IComparer <ICard> comparer = new SnapCardComparer();
List <ICard> cards = new List <ICard>();
// Act
cards.Add(null);
cards.Add(new SnapCard(Suit.Spades, Rank.Ace));
var test = cards.OrderBy(o => o, comparer);
// Assert
Assert.AreEqual(null, cards.First());
}
