/// <summary>
/// The callback which is called when the Changed event occurs. The method also verifies the new value has been set precisely
/// </summary>
/// <param name="arg"></param>
/// <returns></returns>
public override object OnChanged(object arg)
{
object value = Value;
Drt.AssertEqual(_newValue, value, string.Format("Changed Event of the property ({0}) failed!", PropertyName));
return(null);
}
/// <summary>
/// A Constructor
/// </summary>
/// <param name="drt">An instance of the DrtBase</param>
/// <param name="instance">An instance of the tested object like InkCanvas</param>
/// <param name="propertyName">The name of the tested property like EditingMode</param>
/// <param name="callback">An instance of the IEventsForwading interface. If not null, the Changed/Changing Events will be forward to the test unit's handler.</param>
protected PropertyTestUnit(DrtBase drt, object instance, string propertyName, IEventsForwading callback)
: base(drt)
{
_callback = callback;
_instance = instance;
_propertyInfo = _instance.GetType().GetProperty(propertyName);
_propertyName = propertyName;
Drt.Assert(_propertyInfo != null, string.Format("The {0} type doesn't have the property - {1}.", _instance.GetType(), propertyName));
}
public override void OnVerify()
{
object value = Value;
if (_callback == null)
{
Drt.AssertEqual(_defaultValue, value,
string.Format("The default value of the property ({0}) failed!", PropertyName));
}
else
{
_callback(Drt, value, PropertyName);
}
}
/// <summary>
/// A method which verify the value of the property
/// </summary>
public override void OnVerify()
{
if (!_isInvalidValue)
{
object value = Value;
Drt.AssertEqual(_changingCancelling ? _oldValue : _newValue, value,
string.Format("Set/Get the property ({0}) failed!", PropertyName));
}
else
{
Drt.AssertEqual(true, _isExceptionCaught,
string.Format("Invalid value test of the property ({0}) failed!", PropertyName));
}
base.OnVerify();
}
