public void DrawPile_PlaceAtBottomTest()
{
// Arrange.
var expectedCards = new IntCard[]
{
// 3 (new top), 2, 1, 4 (new bottom)
new IntCard(3), new IntCard(2), new IntCard(1), new IntCard(4)
};
var cards = new IntCard[]
{
// 1 (old bottom), 2, 3, 4 (old top)
new IntCard(1), new IntCard(2), new IntCard(3), new IntCard(4)
};
var drawPile = new DrawPile <IntCard>(cards);
List <IntCard> actualCards;
// Act.
var drawnCard = drawPile.Draw();
drawPile.PlaceAtBottom(drawnCard); // place card with value 4 at the bottom
actualCards = new List <IntCard>(drawPile.Cards);
// Assert.
// Use collections assertions for lists because HashSet is unable to compare different sets.
// Otherwise, GetHashCode and Equals methods would have to be tamed.
CollectionAssert.AreEqual(expectedCards, actualCards, Comparer <IntCard> .Create((a, b) =>
{
return(a.Value - b.Value);
}));
}
public void DrawPile_BasicShuffleTest()
{
// Arrange.
var cards = new IntCard[] { new IntCard(1), new IntCard(2), new IntCard(3) };
var expectedCardSet = new HashSet <IntCard>(cards);
HashSet <IntCard> actualCardSet;
var drawPile = new DrawPile <IntCard>(cards);
// Act.
drawPile.Shuffle();
actualCardSet = new HashSet <IntCard>(drawPile.Cards);
// Assert.
Assert.AreEqual(expectedCardSet.Count, actualCardSet.Count);
Assert.IsTrue(expectedCardSet.SetEquals(actualCardSet));
}
public void DrawPile_DrawAllTest()
{
// Arrange.
var cards = new IntCard[] { new IntCard(1), new IntCard(2), new IntCard(3) };
var expectedCardSet = new HashSet <IntCard>(cards);
HashSet <IntCard> actualCardSet;
var drawPile = new DrawPile <IntCard>(cards);
IEnumerable <IntCard> drawnCards;
// Act.
actualCardSet = new HashSet <IntCard>(drawPile.Cards);
drawnCards = drawPile.DrawAll();
// Assert.
Assert.AreEqual(expectedCardSet.Count, actualCardSet.Count);
Assert.IsTrue(expectedCardSet.SetEquals(actualCardSet));
Assert.IsTrue(expectedCardSet.SetEquals(new HashSet <IntCard>(drawnCards)));
Assert.AreEqual(0, drawPile.Cards.Count);
}
