public void ConvertBackTest()
{
const Visibility trueValue = Visibility.Collapsed;
const Visibility falseValue = Visibility.Visible;
var converter = new BooleanToVisibilityConverter(Visibility.Collapsed, Visibility.Visible, Visibility.Visible);
converter.ConvertBack(trueValue, typeof(bool), null, null).ShouldEqual(true);
converter.ConvertBack(falseValue, typeof(bool), null, null).ShouldEqual(false);
}
public void ConvertBackShouldThrowExceptionInvalidValue()
{
var converter = new BooleanToVisibilityConverter(Visibility.Collapsed, Visibility.Visible, Visibility.Visible);
Action action = () => converter.ConvertBack(new object(), typeof (object), null, null);
action.ShouldThrow();
}