public void Peek_FromEmptyPile_Throws()
{
var position = _f.Create <PilePosition>();
var pile = new Pile();
var ex = Assert.Catch <InvalidOperationException>(() => pile.Peek(position));
Assert.That(ex.Message, Contains.Substring("is empty").IgnoreCase);
}
/// <summary>
/// Trump defined by stock.
/// </summary>
public static Trump LastCard(Pile pile)
{
if (pile.IsEmpty)
{
throw new ArgumentException("Can not peek card from empty pile");
}
return(new Trump(pile.Peek(PilePosition.Bottom).Suit));
}
public void Peek_Bottom_ReturnsLasstCard()
{
var source = new[] { RndCard(1), RndCard(2), RndCard(3), RndCard(4) };
var pile = new Pile(source);
var result = pile.Peek(PilePosition.Bottom);
Assert.AreSame(source[3], result);
Assert.AreEqual(source.Count(), pile.Size);
}
public void Peek_Top_ReturnsFirstCard()
{
var source = new[] { RndCard(1), RndCard(2), RndCard(3), RndCard(4) };
var pile = new Pile(source);
var result = pile.Peek(PilePosition.Top);
Assert.AreSame(source[0], result);
Assert.AreEqual(source.Count(), pile.Size);
}
public void Peek_Middle_ReturnsRandomCard()
{
var source = new[] { RndCard(1), RndCard(2), RndCard(3), RndCard(4) };
var dict = new Dictionary <int, int>();
for (var i = 0; i < 50; i++)
{
var pile = new Pile(source);
var result = pile.Peek(PilePosition.Middle);
IncValueForKey(dict, result.Rank.Value);
Assert.AreEqual(source.Count(), pile.Size);
}
Assert.That(dict.Select(x => x.Value), Has.All.GreaterThan(1));
Assert.AreEqual(4, dict.Keys.Count);
}
