public void TestMarkDeletedOnDirty()
{
_controller.BeginChanges(_entityClean);
_entityClean.Name = "new name";
_entityClean.Age = 99;
Assert.AreEqual("new name", _entityClean.Name);
Assert.AreEqual(99, _entityClean.Age);
_controller.MarkAsDeleted(_entityClean);
Assert.AreEqual(EntityStatus.ToBeDeleted, _entityClean.Status);
//Deleting a dirty entity must result in it being reset to its original values,
//so that a call to CancelChanges can safely turn it back to clean.
Assert.AreEqual("I'm clean", _entityClean.Name);
Assert.AreEqual(2, _entityClean.Age);
}