public void SetParent()
{
var dl = new List <TestItemDM>();
var bl = new DerivedList {
Metadata = { DataProvider = { Data = dl } }
};
bl.Add(new TestItemBM());
bl.Add(new TestItemBM());
}
public void AddSameItemToMultipleLists()
{
var bl = new DerivedList {
Metadata = { DataProvider = { Data = new List <TestItemDM>() } }
};
var bi = new TestItemBM();
bl.Add(bi);
var bl2 = new DerivedList {
Metadata = { DataProvider = { Data = new List <TestItemDM>() } }
};
Assert.Throws <InvalidOperationException>(delegate { bl2.Add(bi); });
}