dart-lang/core-elements — pull request #140 by zoechi (2014-11-05 10:00:11+00:00)
Title: add test for update selection by modifying bound field

I tried to bind the `selection` attribute to a field in my model
```html

```
and expected when I assign an item to `model.activeItem` that `core-list-dart` shows this item as selected but it doesn't.
The PR contains a test which verifies that