public void TestConvertBackWithUnassignedConvertBackwardEventThrows()
{
var converter = new RelayValueConverter();
converter.ConvertForward += (value, type, parameter, culture) => null;
Assert.That(
() => converter.ConvertBack(1, typeof(int), null, null),
Throws.TypeOf <NotSupportedException>().With.Message.Contains(RelayValueConverter.ConvertBackwardName));
}
public void TestConvertBackWithAssignedConvertForwardEventSucceeds()
{
var converter = new RelayValueConverter();
converter.ConvertBackward += (value, type, parameter, culture) => int.Parse((string)value);
Assert.That(
() => converter.ConvertBack("42", null, null, null),
Is.EqualTo(42));
}
public void TestConvertWithAssignedConvertForwardEventSucceeds()
{
var converter = new RelayValueConverter();
converter.ConvertForward += (value, type, parameter, culture) => value.ToString();
Assert.That(
() => converter.Convert(42, null, null, null),
Is.EqualTo("42"));
}
