public void AddProperty()
{
Assert.AreEqual(0, _pool.CustomProperties.Count());
Property prop = new StringProperty("author", "Justin");
_pool.CustomProperties.PropertyAdded += (s, e) =>
{
Assert.AreEqual(prop, e.Property);
};
_pool.CustomProperties.Add(prop);
Assert.AreEqual(EventFlags.Modified | EventFlags.PropertyAdded, _eventsFired);
Assert.AreEqual(1, _pool.CustomProperties.Count());
Assert.AreEqual(PropertyCategory.Custom, _pool.LookupPropertyCategory("author"));
Assert.AreEqual(prop, _pool.LookupProperty("author"));
}