public void SameItemTest()
{
var c = new CollectionViewModel();
var i = new ItemViewModel();
c.Add(i);
c.Add(i);
Assert.AreEqual(c, i.Collection);
Assert.AreEqual(1, c.Count);
}
public void TwoCollectionsOneItemTest()
{
var c1 = new CollectionViewModel();
var c2 = new CollectionViewModel();
var i = new ItemViewModel();
Assert.AreEqual(null, i.Collection);
Assert.AreEqual(0, c1.Count);
Assert.AreEqual(0, c2.Count);
i.Collection = c1;
Assert.AreEqual(c1, i.Collection);
Assert.AreEqual(1, c1.Count);
Assert.AreEqual(0, c2.Count);
i.Collection = c2;
Assert.AreEqual(c2, i.Collection);
Assert.AreEqual(0, c1.Count);
Assert.AreEqual(1, c2.Count);
c1.Add(i);
Assert.AreEqual(c1, i.Collection);
Assert.AreEqual(1, c1.Count);
Assert.AreEqual(0, c2.Count);
}
public void OneCollectionOneItemTest()
{
var c = new CollectionViewModel();
var i = new ItemViewModel();
Assert.AreEqual(null, i.Collection);
Assert.AreEqual(0, c.Count);
i.Collection = c;
Assert.AreEqual(c, i.Collection);
Assert.AreEqual(1, c.Count);
i.Collection = null;
Assert.AreEqual(null, i.Collection);
Assert.AreEqual(0, c.Count);
c.Add(i);
Assert.AreEqual(c, i.Collection);
Assert.AreEqual(1, c.Count);
c.Remove(i);
Assert.AreEqual(null, i.Collection);
Assert.AreEqual(0, c.Count);
}
