public void WorksAtAll()
{
ItemCollection c = new ItemsControl().Items;
c.Add("Test");
Assert.AreEqual(c.Count, 1);
}
public void CountCallsFilter()
{
ItemCollection c = new ItemsControl().Items;
c.Add(1);
c.Filter = CountCallsFilterFilter;
Assert.AreEqual(count_calls_filter_filter_calls, 1, "1");
count_calls_filter_filter_calls = 0;
object dummy = c.Count;
Assert.AreEqual(count_calls_filter_filter_calls, 0, "2");
}
public void Filter()
{
ItemCollection c = new ItemsControl().Items;
c.Add(1);
c.Add(-1);
Assert.AreEqual(c.Count, 2, "1");
c.Filter = FilterFilter;
Assert.AreEqual(c.Count, 1, "2");
c.Filter = null;
Assert.AreEqual(c.Count, 2, "3");
c.Filter = FilterFilter;
c.Add(2);
Assert.AreEqual(c.Count, 2, "4");
c.Filter = null;
Assert.AreEqual(c.Count, 3, "5");
c.Filter = FilterFilter;
c.Remove(-1);
c.Filter = null;
Assert.AreEqual(c.Count, 2, "6");
}