internal static void GetRequiredPropertiesCollection(Type modelType, out HashSet <string> requiredProperties, out HashSet <string> skipProperties)
{
requiredProperties = new HashSet <string>(StringComparer.OrdinalIgnoreCase);
skipProperties = new HashSet <string>(StringComparer.OrdinalIgnoreCase);
// Use attributes on the property before attributes on the type.
ICustomTypeDescriptor modelDescriptor = TypeDescriptorHelper.Get(modelType);
PropertyDescriptorCollection propertyDescriptors = modelDescriptor.GetProperties();
BindingBehaviorAttribute typeAttr = modelDescriptor.GetAttributes().OfType <BindingBehaviorAttribute>().SingleOrDefault();
foreach (PropertyDescriptor propertyDescriptor in propertyDescriptors)
{
BindingBehaviorAttribute propAttr = propertyDescriptor.Attributes.OfType <BindingBehaviorAttribute>().SingleOrDefault();
BindingBehaviorAttribute workingAttr = propAttr ?? typeAttr;
if (workingAttr != null)
{
switch (workingAttr.Behavior)
{
case BindingBehavior.Required:
requiredProperties.Add(propertyDescriptor.Name);
break;
case BindingBehavior.Never:
skipProperties.Add(propertyDescriptor.Name);
break;
}
}
}
}
public void Behavior_Property() {
// Arrange
BindingBehavior expectedBehavior = (BindingBehavior)(-20);
// Act
BindingBehaviorAttribute attr = new BindingBehaviorAttribute(expectedBehavior);
// Assert
Assert.AreEqual(expectedBehavior, attr.Behavior);
}