public void SetDisplayValue(IBehaviorContext vm, object value)
{
Check.NotNull(vm, nameof(vm));
IValueAccessorBehavior <TValue> accessBehavior =
GetNextBehavior <IValueAccessorBehavior <TValue> >();
//ChangeValueRequest<TValue> request = value as ChangeValueRequest<TValue>;
//if (request != null) {
// ConversionResult<TValue> result = request.Converter.ConvertBack(request.NewValue);
// if (result.Successful) {
// vm.FieldValues.ClearField(_conversionErrorField);
// accessBehavior.SetValue(vm, result.Value);
// } else {
// vm.FieldValues.SetValue(_conversionErrorField, result.ErrorMessage);
// return;
// }
//} else {
// TODO: Tidy up this if...
if (value is TValue || (value == null && TypeService.CanAssignNull(typeof(TValue))))
{
accessBehavior.SetValue(vm, (TValue)value);
}
else
{
throw new ArgumentException(
ExceptionTexts.DisplayValueHasWrongType.FormatWith(
_propertyName, typeof(TValue).Name, value
),
"value"
);
}
//}
}
public void CanAssignNull_ReferenceType()
{
Assert.IsTrue(TypeService.CanAssignNull(typeof(object)));
Assert.IsTrue(TypeService.CanAssignNull(typeof(Nullable <int>)));
Assert.IsFalse(TypeService.CanAssignNull(typeof(int)));
Assert.IsFalse(TypeService.CanAssignNull(typeof(TestStruct)));
}
