public void Test1()
{
var dl = new List <TestItemDM>(new [] { new TestItemDM(0) });
var bl = new ListBM <TestItemBM> {
Metadata = { DataProvider = { Data = dl } }
};
var vl = new ListVM <TestItemVM> {
Metadata = { DataProvider = { Data = bl } }
};
dl = new List <TestItemDM>(new [] { new TestItemDM(1) });
bl = new ListBM <TestItemBM> {
Metadata = { DataProvider = { Data = dl } }
};
TestItemVM oldFirst = vl.FirstOrDefault();
TestItemVM newfirst = null;
vl.CollectionChanged += delegate { newfirst = vl.FirstOrDefault(); };
vl.Metadata.DataProvider.Data = bl;
var oldFirstTypeInstanceId = oldFirst.TypeInstanceId();
var newFirstTypeInstanceId = newfirst.TypeInstanceId();
Assert.AreEqual(newFirstTypeInstanceId, oldFirstTypeInstanceId + 1);
}
public void IListT()
{
var dl = new List <TestItemDM>();
var bl = new ListBM <TestItemBM> {
Metadata = { DataProvider = { Data = dl } }
};
var vl = (IList <TestItemVM>) new ListVM <TestItemVM> {
Metadata = { DataProvider = { Data = bl } }
};
var di = (TestItemDM)null;
var vi = (TestItemVM)null;
vl.Add(vi = new TestItemVM {
Metadata = { DataProvider = { Data = new TestItemBM {
Metadata = { DataProvider= { Data= di = new TestItemDM(0) } }
} } }
});
Assert.AreEqual(1, bl.Count);
Assert.AreEqual(1, dl.Count);
Assert.AreEqual(0, vl.IndexOf(vi));
vl.Add(new TestItemVM {
Metadata = { DataProvider = { Data = new TestItemBM {
Metadata = { DataProvider= { Data= new TestItemDM(1) } }
} } }
});
Assert.AreEqual(2, dl.Count);
vl.Add(new TestItemVM {
Metadata = { DataProvider = { Data = new TestItemBM {
Metadata = { DataProvider= { Data= new TestItemDM(2) } }
} } }
});
Assert.AreEqual(3, dl.Count);
vl.RemoveAt(1);
Assert.AreEqual(2, dl.Count);
vl.Remove(vi);
Assert.AreEqual(1, dl.Count);
vl.Clear();
Assert.AreEqual(0, dl.Count);
vl.Insert(0, new TestItemVM {
Metadata = { DataProvider = { Data = new TestItemBM {
Metadata = { DataProvider= { Data= new TestItemDM(0) } }
} } }
});
vl.Insert(0, new TestItemVM {
Metadata = { DataProvider = { Data = new TestItemBM {
Metadata = { DataProvider= { Data= new TestItemDM(1) } }
} } }
});
vl.Insert(2, new TestItemVM {
Metadata = { DataProvider = { Data = new TestItemBM {
Metadata = { DataProvider= { Data= new TestItemDM(2) } }
} } }
});
Assert.AreEqual(3, dl.Count);
}
public void RemoveNonContainedItem()
{
var dl = new List <TestItemDM>();
var bl = new ListBM <TestItemBM> {
Metadata = { DataProvider = { Data = dl } }
};
var vl = (IList <TestItemVM>) new ListVM <TestItemVM> {
Metadata = { DataProvider = { Data = bl } }
};
Assert.AreEqual(false, vl.Remove(TestItemVM.New()));
}
public void CheckReentrancyThrowsInvalidOperationException()
{
var dl = new List <TestItemDM> {
new TestItemDM(0), new TestItemDM(1), new TestItemDM(2)
};
var bl = new ListBM <TestItemBM> {
Metadata = { DataProvider = { Data = dl } }
};
var vl = new ListVM <TestItemVM> {
Metadata = { DataProvider = { Data = bl } }
};
vl.CollectionChanged += OnViewModelCollectionChangedCallInvalid;
vl.Add(TestItemVM.New());
vl.CollectionChanged -= OnViewModelCollectionChangedCallInvalid;
}
public void ListVM_Contains_Empty_BusinessList()
{
var dl = new List <TestItemDM>();
var bl = new ListBM <TestItemBM> {
Metadata = { DataProvider = { Data = dl } }
};
var vl = new ListVM <TestItemVM> {
Metadata = { DataProvider = { Data = bl } }
};
var di = (TestItemDM)null;
var vi = (TestItemVM)null;
Assert.AreEqual(false, vl.IsReadOnly);
Assert.AreEqual(false, ((IList)vl).IsFixedSize);
vl.Add(vi = new TestItemVM {
Metadata = { DataProvider = { Data = new TestItemBM {
Metadata = { DataProvider= { Data= di = new TestItemDM(0) } }
} } }
});
Assert.AreEqual(1, bl.Count);
Assert.AreEqual(1, dl.Count);
Assert.AreEqual(0, vl.IndexOf(vi));
Assert.AreEqual(0, ((IList)vl).IndexOf(vi));
Assert.AreEqual(true, ((IList)vl).Contains(vi));
Assert.AreEqual(vi, vl[0]);
Assert.AreEqual(vi, ((IList)vl)[0]);
vl.Add(new TestItemVM {
Metadata = { DataProvider = { Data = new TestItemBM {
Metadata = { DataProvider= { Data= new TestItemDM(1) } }
} } }
});
Assert.AreEqual(2, dl.Count);
vl.Add(new TestItemVM {
Metadata = { DataProvider = { Data = new TestItemBM {
Metadata = { DataProvider= { Data= new TestItemDM(2) } }
} } }
});
Assert.AreEqual(3, dl.Count);
vl.RemoveAt(1);
Assert.AreEqual(2, dl.Count);
vl.Remove(vi);
Assert.AreEqual(1, dl.Count);
vl.Clear();
Assert.AreEqual(0, dl.Count);
vl.Insert(0, new TestItemVM {
Metadata = { DataProvider = { Data = new TestItemBM {
Metadata = { DataProvider= { Data= new TestItemDM(0) } }
} } }
});
vl.Insert(0, new TestItemVM {
Metadata = { DataProvider = { Data = new TestItemBM {
Metadata = { DataProvider= { Data= new TestItemDM(1) } }
} } }
});
vl.Insert(2, new TestItemVM {
Metadata = { DataProvider = { Data = new TestItemBM {
Metadata = { DataProvider= { Data= new TestItemDM(2) } }
} } }
});
Assert.AreEqual(3, dl.Count);
foreach (var item in vl)
{
Assert.IsTrue(vl.Contains(item));
}
foreach (var item in (IEnumerable)vl)
{
Assert.IsTrue(vl.Contains(item));
}
vl.CopyTo(new TestItemVM[3], 0);
vl[0] = TestItemVM.New();
((IList)vl)[0] = TestItemVM.New();
vl.Move(0, 2);
vl.Dispose();
}
