public void StackTest()
{
var items = new[] { new object(), new object(), new object(), new object() };
var stack = new PlayedItemsStack<object>(3);
Assert.AreEqual(0, stack.Count);
stack.Add(items[0]);
Assert.AreEqual(items[0], stack.Pop());
Assert.AreEqual(0, stack.Count);
stack.Add(items[0]);
stack.Add(items[1]);
stack.Add(items[2]);
Assert.AreEqual(3, stack.Count);
Assert.IsTrue(stack.Contains(items[0]));
Assert.IsFalse(stack.Contains(items[3]));
stack.Add(items[3]);
Assert.AreEqual(3, stack.Count);
Assert.IsFalse(stack.Contains(items[0]));
Assert.IsTrue(stack.Contains(items[3]));
Assert.AreEqual(items[3], stack.Pop());
Assert.AreEqual(2, stack.Count);
stack.Add(items[2]);
Assert.AreEqual(3, stack.Count);
stack.RemoveAll(items[2]);
Assert.AreEqual(1, stack.Count);
stack.Clear();
Assert.AreEqual(0, stack.Count);
}
public void StackTest()
{
var items = new[] { new object(), new object(), new object(), new object() };
var stack = new PlayedItemsStack <object>(3);
Assert.AreEqual(0, stack.Count);
stack.Add(items[0]);
Assert.AreEqual(items[0], stack.Pop());
Assert.AreEqual(0, stack.Count);
stack.Add(items[0]);
stack.Add(items[1]);
stack.Add(items[2]);
Assert.AreEqual(3, stack.Count);
Assert.IsTrue(stack.Contains(items[0]));
Assert.IsFalse(stack.Contains(items[3]));
stack.Add(items[3]);
Assert.AreEqual(3, stack.Count);
Assert.IsFalse(stack.Contains(items[0]));
Assert.IsTrue(stack.Contains(items[3]));
Assert.AreEqual(items[3], stack.Pop());
Assert.AreEqual(2, stack.Count);
stack.Add(items[2]);
Assert.AreEqual(3, stack.Count);
stack.RemoveAll(items[2]);
Assert.AreEqual(1, stack.Count);
stack.Clear();
Assert.AreEqual(0, stack.Count);
}
public PlaylistManager(int playedItemStackCapacity = 1000, IRandomService randomService = null)
{
this.randomService = randomService ?? new RandomService();
this.items = new ObservableCollection<PlaylistItem>();
this.readonlyItems = new ReadOnlyObservableList<PlaylistItem>(items);
this.playedItemsStack = new PlayedItemsStack<PlaylistItem>(playedItemStackCapacity);
this.items.CollectionChanged += ItemsCollectionChanged;
}