public void Toggling_Selection_After_Range_Should_Work()
{
var target = new TestSelector
{
Items = new[] { "foo", "bar", "baz", "foo", "bar", "baz" },
Template = Template(),
SelectedIndex = 0,
SelectionMode = SelectionMode.Multiple,
};
target.ApplyTemplate();
target.Presenter.ApplyTemplate();
target.SelectRange(3);
Assert.Equal(new[] { 0, 1, 2, 3 }, SelectedContainers(target));
target.Toggle(4);
Assert.Equal(new[] { 0, 1, 2, 3, 4 }, SelectedContainers(target));
}