/// <summary>
/// Verify that each node in the hierarchy has the expected children
/// and all Parent back pointers are valid.
/// </summary>
private static void VerifyHierarchy(CI_Parent parent)
{
Assert.IsTrue(parent.Children.Count > 0);
foreach (CI_Child c in parent.Children)
{
Assert.AreSame(parent, c.Parent);
}
}
public void Composition_Inheritance_Update_Base_Child_On_Base_Parent()
{
CompositionInheritanceScenarios ctxt = new CompositionInheritanceScenarios(CompositionInheritanceScenarios_Uri);
CI_Parent parent = null;
SubmitOperation so = null;
IEnumerable <Entity> expectedUpdates = null;
LoadOperation lo = ctxt.Load(ctxt.GetParentsQuery(), false);
EnqueueConditional(() => lo.IsComplete);
EnqueueCallback(delegate
{
TestHelperMethods.AssertOperationSuccess(lo);
parent = ctxt.CI_Parents.First(p => p.GetType() == typeof(CI_Parent));
CI_Child existingChild = parent.Children.First(c => c.GetType() == typeof(CI_Child));
Assert.AreSame(parent, ((Entity)existingChild).Parent);
// update derived comp child
existingChild.Age++;;
EntityChangeSet cs = ctxt.EntityContainer.GetChanges();
Assert.IsTrue(cs.ModifiedEntities.Count == 2, "wrong modified count");
Assert.IsTrue(cs.RemovedEntities.Count == 0, "wrong removed count");
Assert.IsTrue(cs.ModifiedEntities.Contains(parent));
Assert.IsTrue(cs.ModifiedEntities.Contains(existingChild));
// verify that original associations are set up correctly
IEnumerable <ChangeSetEntry> entityOps = ChangeSetBuilder.Build(cs);
this.ValidateEntityOperationAssociations(entityOps);
expectedUpdates = cs.Where(p => p.HasChildChanges || p.HasPropertyChanges).ToArray();
so = ctxt.SubmitChanges(TestHelperMethods.DefaultOperationAction, null);
});
EnqueueConditional(() => so.IsComplete);
EnqueueCallback(delegate
{
this.VerifySuccess(ctxt, so, expectedUpdates);
});
EnqueueTestComplete();
}