public void CopyFrom_SubEntityCollClone()
{
var pf = new PersonDetail {
History = new WorkHistoryCollection {
new WorkHistory {
Name = "Blah"
}
}
};
var pt = new PersonDetail {
History = new WorkHistoryCollection {
new WorkHistory {
Name = "Blah"
}
}
};
pf.AcceptChanges();
pt.AcceptChanges();
pt.CopyFrom(pf);
Assert.IsFalse(pt.IsChanged); // Although copied, data is the same - not changed.
Assert.AreNotSame(pf.History, pt.History);
pf.History[0].Name = "Blah, blah";
pf.AcceptChanges();
pt.CopyFrom(pf);
Assert.IsTrue(pt.IsChanged); // Copied, and data was changed.
Assert.AreNotSame(pf.History, pt.History);
Assert.AreEqual(pf.History, pt.History);
}
public void ChangeTracking_EntitySubCollectionTracking()
{
var wh = new WorkHistory {
Name = "Avanade"
};
var pd = new PersonDetail {
History = new WorkHistoryCollection {
wh
}
};
pd.AcceptChanges();
Assert.IsFalse(pd.IsChanged);
Assert.IsFalse(pd.History.IsChanged);
Assert.IsFalse(wh.IsChanged);
pd.TrackChanges();
wh.Name = "Accenture";
Assert.IsTrue(wh.IsChanged);
Assert.AreEqual(new System.Collections.Specialized.StringCollection {
"Name"
}, wh.ChangeTracking);
Assert.IsTrue(pd.History.IsChanged);
Assert.IsNull(pd.History.ChangeTracking); // Collections always return null.
Assert.IsTrue(pd.IsChanged);
Assert.AreEqual(new System.Collections.Specialized.StringCollection {
"History"
}, pd.ChangeTracking);
}
public void CopyFrom_SubEntityCopy()
{
var pf = new PersonDetail {
Address = new Address {
City = "Bardon"
}
};
var pt = new PersonDetail {
Address = new Address {
City = "Bardon"
}
};
pf.AcceptChanges();
pt.AcceptChanges();
pt.CopyFrom(pf);
Assert.IsFalse(pt.IsChanged);
Assert.AreNotSame(pf.Address, pt.Address);
// Should result in a copyfrom.
pf.Address = new Address {
City = "Ashgrove"
};
pt.CopyFrom(pf);
Assert.IsTrue(pt.IsChanged);
Assert.AreNotSame(pf.Address, pt.Address);
Assert.AreEqual("Ashgrove", pt.Address.City);
// Should result in a clone.
pt.Address = null;
pf.AcceptChanges();
pt.AcceptChanges();
pt.CopyFrom(pf);
Assert.IsTrue(pt.IsChanged);
Assert.AreNotSame(pf.Address, pt.Address);
Assert.AreEqual("Ashgrove", pt.Address.City);
}
public void CopyFrom_SubEntityCollClone()
{
var pf = new PersonDetail {
History = new WorkHistoryCollection {
new WorkHistory {
Name = "Blah"
}
}
};
var pt = new PersonDetail {
History = new WorkHistoryCollection {
new WorkHistory {
Name = "Blah"
}
}
};
pf.AcceptChanges();
pt.AcceptChanges();
pt.CopyFrom(pf);
Assert.IsTrue(pt.IsChanged); // Collections always cloned - therefore changed.
Assert.AreNotSame(pf.History, pt.History);
}
