public void If_FieldBackedString_Is_Changed_On_GrandChild_List_Item_After_Root_Is_Deserialized_Then_Root_ChildChanged_Event_Fires()
{
IDataPortal <EditableGetSet> dataPortal = _testDIContext.CreateDataPortal <EditableGetSet>();
IChildDataPortal <EditableGetSet> childDataPortal = _testDIContext.CreateChildDataPortal <EditableGetSet>();
var root = EditableGetSet.GetObject(dataPortal);
var child = EditableGetSet.NewChildObject(childDataPortal);
var grandChild = EditableGetSet.NewChildObject(childDataPortal);
root.ManagedChildList.Add(child);
child.ManagedChildList.Add(grandChild);
var applicationContext = _testDIContext.CreateTestApplicationContext();
MemoryStream stream = new MemoryStream();
MobileFormatter formatter = new MobileFormatter(applicationContext);
formatter.Serialize(stream, root);
stream.Seek(0, SeekOrigin.Begin);
root = (EditableGetSet)formatter.Deserialize(stream);
int changed = 0;
root.ChildChanged += (o, e) => { changed++; };
root.ManagedChildList[0].ManagedChildList[0].FieldBackedString = "changed";
Assert.AreEqual(1, changed, "after MobileFormatter");
changed = 0;
root = root.Clone();
root.ChildChanged += (o, e) => { changed++; };
root.ManagedChildList[0].ManagedChildList[0].FieldBackedString = "changed again";
Assert.AreEqual(1, changed, "after clone");
}
public void RootChildListUndoCancel()
{
IDataPortal <EditableGetSet> dataPortal = _testDIContext.CreateDataPortal <EditableGetSet>();
IChildDataPortal <EditableGetSet> childDataPortal = _testDIContext.CreateChildDataPortal <EditableGetSet>();
EditableGetSet root = EditableGetSet.GetObject(dataPortal);
Assert.AreEqual(0, root.EditLevel, "Root edit level before BeginEdit");
root.BeginEdit();
Assert.AreEqual(1, root.EditLevel, "Root edit level after BeginEdit");
ChildList list = root.ManagedChildList;
Assert.AreEqual(1, list.EditLevel, "List edit level after being created");
Assert.IsFalse(root.IsDirty, "Root should not be dirty");
Assert.IsFalse(list.IsDirty, "List should not be dirty");
list.Add(EditableGetSet.NewChildObject(childDataPortal));
Assert.AreEqual(1, list.Count, "List count should be 1");
root.CancelEdit();
Assert.AreEqual(0, root.EditLevel, "Root edit level after CancelEdit");
ChildList secondList = root.ManagedChildList;
Assert.AreEqual(0, secondList.EditLevel, "Second list edit level after CancelEdit");
Assert.IsFalse(ReferenceEquals(list, secondList), "List objects should not be the same");
Assert.IsFalse(root.IsDirty, "Root should not be dirty after CancelEdit");
Assert.IsFalse(secondList.IsDirty, "Second list should not be dirty");
}
public void If_FieldBackedString_Property_Is_Changed_On_Child_After_CancelEdit_Then_ChildChanged_Fires_On_Root()
{
IDataPortal <EditableGetSet> dataPortal = _testDIContext.CreateDataPortal <EditableGetSet>();
IChildDataPortal <EditableGetSet> childDataPortal = _testDIContext.CreateChildDataPortal <EditableGetSet>();
var root = EditableGetSet.GetObject(dataPortal);
var child = EditableGetSet.NewChildObject(childDataPortal);
var grandChild = EditableGetSet.NewChildObject(childDataPortal);
root.ManagedChildList.Add(child);
child.ManagedChildList.Add(grandChild);
root.BeginEdit();
root.CancelEdit();
int changed = 0;
root.ChildChanged += (o, e) => { changed++; };
child.FieldBackedString = "changed";
Assert.AreEqual(1, changed);
}
public void If_FieldBackedString_Property_Changes_On_Item_In_ManagedChildList_Then_ChildChanged_Fires_On_Root_And_On_ManagedChildList()
{
IDataPortal <EditableGetSet> dataPortal = _testDIContext.CreateDataPortal <EditableGetSet>();
IChildDataPortal <EditableGetSet> childDataPortal = _testDIContext.CreateChildDataPortal <EditableGetSet>();
int rootChanged = 0;
int listChanged = 0;
EditableGetSet root = EditableGetSet.GetObject(dataPortal);
root.ChildChanged += (o, e) => { rootChanged++; };
var list = root.ManagedChildList;
list.ChildChanged += (o, e) => { listChanged++; };
list.Add(EditableGetSet.NewChildObject(childDataPortal));
list[0].FieldBackedString = "child change";
Assert.AreEqual(4, rootChanged);//this event fires 4 times: lazy load of the child list, Item[], Count and property change on item in the list
Assert.AreEqual(1, listChanged);
}
public void If_FieldBackedString_Changes_On_GrandChild_Then_ChildChanged_Fires_On_GrandChild_Child_and_Root()
{
IDataPortal <EditableGetSet> dataPortal = _testDIContext.CreateDataPortal <EditableGetSet>();
IChildDataPortal <EditableGetSet> childDataPortal = _testDIContext.CreateChildDataPortal <EditableGetSet>();
int rootChanged = 0;
int childListChanged = 0;
int grandChildListChanged = 0;
int childChanged = 0;
int grandChildPropertyChanged = 0;
EditableGetSet root = EditableGetSet.GetObject(dataPortal);
root.PropertyChanged += (o, e) => { throw new InvalidOperationException(); };
root.ChildChanged += (o, e) => { rootChanged++; };
root.ManagedChildList.ChildChanged += (o, e) => { childListChanged++; };
var child = EditableGetSet.NewChildObject(childDataPortal);
child.PropertyChanged += (o, e) => { throw new InvalidOperationException(); };
child.ChildChanged += (o, e) => { childChanged++; };
child.ManagedChildList.ChildChanged += (o, e) => { grandChildListChanged++; };
var grandChild = EditableGetSet.NewChildObject(childDataPortal);
grandChild.ChildChanged += (o, e) => { throw new InvalidOperationException(); }; // ChildChange only fires when child of self changes
grandChild.PropertyChanged += (o, e) => { grandChildPropertyChanged++; };
root.ManagedChildList.Add(child);
child.ManagedChildList.Add(grandChild);
root.ManagedChildList[0].ManagedChildList[0].FieldBackedString = "child change"; // or c2.FieldBackedString = "child change";
Assert.AreEqual(7, rootChanged); //Child, and GrandChild lists lazy loaded + Property changed on GrandChildList Item
Assert.AreEqual(4, childChanged); //GrandChild lists lazy loaded + Property changed on GrandChildList Item
Assert.AreEqual(4, childListChanged); //GrandChild lists lazy loaded + Property changed on GrandChildList Item
Assert.AreEqual(1, grandChildListChanged); //Property changed on GrandChildList Item
Assert.AreEqual(1, grandChildPropertyChanged); //Property changed on GrandChildList Item
}
public void SerializedEditLevel()
{
IDataPortal <EditableGetSet> dataPortal = _testDIContext.CreateDataPortal <EditableGetSet>();
IChildDataPortal <EditableGetSet> childDataPortal = _testDIContext.CreateChildDataPortal <EditableGetSet>();
EditableGetSet root = EditableGetSet.GetObject(dataPortal);
Assert.AreEqual(0, root.EditLevel, "Root edit level before BeginEdit");
root.BeginEdit();
Assert.AreEqual(1, root.EditLevel, "Root edit level after BeginEdit");
Assert.AreEqual(1, root.ManagedChild.EditLevel, "Child edit level after BeginEdit");
Assert.AreEqual(1, root.ManagedChildList.EditLevel, "List edit level after BeginEdit");
root.ManagedChildList.Add(EditableGetSet.NewChildObject(childDataPortal));
Assert.AreEqual(1, root.ManagedChildList[0].EditLevel, "List child edit level after BeginEdit");
root = root.Clone();
Assert.AreEqual(1, root.EditLevel, "Root edit level after Clone");
Assert.AreEqual(1, root.ManagedChild.EditLevel, "Child edit level after Clone");
Assert.AreEqual(1, root.ManagedChildList.EditLevel, "List edit level after Clone");
Assert.AreEqual(1, root.ManagedChildList[0].EditLevel, "List child edit level after Clone");
Assert.IsTrue(root.IsDirty, "Root should be dirty");
}