public void OnChangeRemoveOnChangeTest()
{
var bindable = new Bindable <int>();
var counter = 0;
BindableCallback listener = ((c, o) => { counter++; });
// add without immediate dispatch
bindable.OnChange(listener, false);
bindable.Dispatch();
Assert.AreEqual(1, counter, "The callback should have been called once.");
bindable.RemoveOnChange(listener);
bindable.Dispatch();
Assert.AreEqual(1, counter, "The callback should have not been called again.");
}