/// <summary>
/// adds <paramref name="inputEntry"/> to input history.
/// if <see cref="Capacity"/> is reached, the least recent entry is removed to make room
/// for <paramref name="inputEntry"/>.
/// </summary>
/// <param name="inputEntry">input entry to be inserted to input history</param>
public void AddInputEntryToHistory(string inputEntry)
{
// avoid adding consecutive duplicate entries to stack
bool addInputEntry =
recentInputEntries.Empty ||
inputEntry != recentInputEntries.TopElement();
if (addInputEntry)
{
recentInputEntries.Push(inputEntry);
}
}
static void AddItems(IndexableStack<int> queue, IList<int> items)
{
int initialCount = queue.Count;
foreach(int i in items) queue.Push(i);
Assert.AreEqual(initialCount+items.Count, queue.Count);
}