public void Association_Inheritance_HierarchyQuery()
{
AssociationInheritanceScenarios ctxt = new AssociationInheritanceScenarios(AssociationInheritanceScenarios_Uri);
LoadOperation lo = ctxt.Load(ctxt.GetMastersQuery(), false);
this.EnqueueCompletion(() => lo);
EnqueueCallback(delegate
{
TestHelperMethods.AssertOperationSuccess(lo);
// Master, 2 D1's, 2 D2's, 1 D3 and 1 D4
Assert.AreEqual(7, lo.AllEntities.Count(), "Unexpected number of entities in hierarchy");
AI_MasterDerived master = ctxt.AI_Masters.OfType <AI_MasterDerived>().FirstOrDefault();
Assert.IsNotNull(master, "expected 1 master");
// Confirm the single-value relations
AI_DetailDerived3 d3 = master.DetailDerived3;
Assert.IsNotNull(d3, "no master.D3");
Assert.AreSame(master, d3.Master, "wrong master.D3");
AI_DetailDerived4 d4 = master.DetailDerived4;
Assert.IsNotNull(d4, "no master.D4");
Assert.AreSame(master, d4.Master, "wrong master.D4");
// Confirm the multi-value relations
Assert.AreEqual(2, master.DetailDerived1s.Count, "wrong number of D1's");
Assert.AreEqual(2, master.DetailDerived2s.Count, "wrong number of D2's");
foreach (AI_DetailDerived1 d1 in master.DetailDerived1s)
{
Assert.AreSame(master, d1.Master, "D1.Master not root master");
}
foreach (AI_DetailDerived2 d2 in master.DetailDerived2s)
{
Assert.AreSame(master, d2.Master, "D1.Master not root master");
}
});
EnqueueTestComplete();
}
public void Association_Inheritance_Modify_Singleton_Derived_Association()
{
AssociationInheritanceScenarios ctxt = new AssociationInheritanceScenarios(AssociationInheritanceScenarios_Uri);
LoadOperation lo = ctxt.Load(ctxt.GetMastersQuery(), false);
SubmitOperation so = null;
this.EnqueueCompletion(() => lo);
EnqueueCallback(delegate
{
TestHelperMethods.AssertOperationSuccess(lo);
AI_MasterDerived master = ctxt.AI_Masters.OfType <AI_MasterDerived>().FirstOrDefault();
Assert.IsNotNull(master, "expected one master");
AI_DetailDerived3 d3 = master.DetailDerived3;
Assert.IsNotNull(d3, "no master.D3");
Assert.AreSame(master, d3.Master, "wrong master.D3");
// Verify we can unset it
master.DetailDerived3 = null;
Assert.IsNull(master.DetailDerived3, "could not reset master.D4");
AI_DetailDerived3 newD3 = new AI_DetailDerived3();
newD3.ID = 99;
master.DetailDerived3 = newD3;
AI_DetailDerived4 newD4 = new AI_DetailDerived4();
newD4.ID = 999;
master.DetailDerived4 = newD4;
so = ctxt.SubmitChanges();
});
this.EnqueueCompletion(() => so);
EnqueueCallback(delegate
{
TestHelperMethods.AssertOperationSuccess(so);
});
EnqueueTestComplete();
}