public void TestFunctionalConverter()
{
var converter = new FunctionalConverter <bool, Visibility>(
convert: (value, culture) => value ? Visibility.Visible : Visibility.Hidden,
convertBack: (value, culture) => value == Visibility.Visible);
converter.Convert(null, null, null, CultureInfo.CurrentCulture).Should().Be(Visibility.Hidden);
converter.Convert(true, null, null, CultureInfo.CurrentCulture).Should().Be(Visibility.Visible);
converter.ConvertBack(null, null, null, CultureInfo.CurrentCulture).Should().Be(true);
converter.ConvertBack(Visibility.Hidden, null, null, CultureInfo.CurrentCulture).Should().Be(false);
}
