public void ObjectToVisibilityConverterTest()
{
ObjectToVisibilityConverter objectToVisibilityConverter = new ObjectToVisibilityConverter();
objectToVisibilityConverter.ProvideValue(null).Should().Be(objectToVisibilityConverter);
objectToVisibilityConverter.Convert(null, typeof(Visibility), null, null).Should().Be(Visibility.Collapsed);
objectToVisibilityConverter.Convert("something", typeof(Visibility), null, null).Should().Be(Visibility.Visible);
objectToVisibilityConverter.Convert(null, typeof(Visibility), "Reverse", null).Should().Be(Visibility.Visible);
objectToVisibilityConverter.Convert("something", typeof(Visibility), "Reverse", null).Should().Be(Visibility.Collapsed);
objectToVisibilityConverter.ConvertBack(null, typeof(object), null, null).Should().BeNull();
}
private static void AssertConverts(object value, Visibility exptectedResult)
{
var converter = new ObjectToVisibilityConverter();
var result = converter.Convert(value, null, null, null);
Assert.AreEqual(exptectedResult, result);
}
public void ConvertNullObjectTest()
{
var converter = new ObjectToVisibilityConverter();
var result = converter.Convert(null, typeof(object), null, null);
Assert.AreEqual(Visibility.Collapsed, result);
}
public void ConvertingNullReturnsHidden()
{
var visibility = _visibilityConverter.Convert(null, null, null, null);
visibility.Should().Be(Visibility.Hidden);
}