public void ChangeSourceTest()
{
var observableCollection1 = new ObservableCollection <string>(new List <string>()
{
"a", "b", "c", "d", "e"
});
var rool1 = new ReadOnlyObservableList <string>(observableCollection1);
var sls = new SwitchableListSource <object>();
sls.Source = rool1;
Assert.AreEqual(sls.Count, 5);
Assert.AreEqual(sls[0], "a");
Assert.AreEqual(sls[1], "b");
Assert.AreEqual(sls[2], "c");
Assert.AreEqual(sls[3], "d");
Assert.AreEqual(sls[4], "e");
var observableCollection2 = new ObservableCollection <object>(new List <object>()
{
8, 9, 10, 11
});
IReadOnlyObservableList <object> rool2 = new ReadOnlyObservableList <object>(observableCollection2);
sls.Source = rool2;
Assert.AreEqual(sls.Count, 4);
Assert.AreEqual(sls[0], 8);
Assert.AreEqual(sls[1], 9);
Assert.AreEqual(sls[2], 10);
Assert.AreEqual(sls[3], 11);
sls.Source = null;
Assert.AreEqual(sls.Count, 0);
}
public void ReplaceElementTest()
{
var observableCollection = new ObservableCollection <object>(new List <object>()
{
1, 2, 3, 4, 5, 6, 7
});
IReadOnlyObservableList <object> rool = new ReadOnlyObservableList <object>(observableCollection);
SwitchableListSource <object> sls = new SwitchableListSource <object>();
sls.Source = rool;
TransformingReadOnlyObservableList <object, object> trool =
new TransformingReadOnlyObservableList <object, object>(sls, Selector);
observableCollection[2] = 8;
observableCollection[5] = 9;
Assert.AreEqual(trool.Count, 7);
Assert.AreEqual(trool[0], 1);
Assert.AreEqual(trool[1], 2);
Assert.AreEqual(trool[2], 8);
Assert.AreEqual(trool[3], 4);
Assert.AreEqual(trool[4], 5);
Assert.AreEqual(trool[5], 9);
Assert.AreEqual(trool[6], 7);
}
public void AddElementTest()
{
var observableCollection = new ObservableCollection <object>(new List <object>()
{
1.1, 2.2, 3.3, 4.4, 5.5, 6.6, 7.7
});
IReadOnlyObservableList <object> rool = new ReadOnlyObservableList <object>(observableCollection);
SwitchableListSource <object> sls = new SwitchableListSource <object>();
sls.Source = rool;
TransformingReadOnlyObservableList <object, object> trool = new TransformingReadOnlyObservableList <object, object>(sls, Selector);
observableCollection.Add(8.8);
Assert.AreEqual(trool[trool.Count - 1], 8.8);
}
public void ClearTest()
{
var observableCollection = new ObservableCollection <object>(new List <object>()
{
1, 2, 3, 4, 5, 6, 7
});
IReadOnlyObservableList <object> rool = new ReadOnlyObservableList <object>(observableCollection);
SwitchableListSource <object> sls = new SwitchableListSource <object>();
sls.Source = rool;
TransformingReadOnlyObservableList <object, object> trool =
new TransformingReadOnlyObservableList <object, object>(sls, Selector);
observableCollection.Clear();
Assert.AreEqual(trool.Count, 0);
}
public void OperationsTest()
{
var observableCollection = new ObservableCollection <object>(new List <object>()
{
1, 2, 3, 4, 5, 6, 7
});
IReadOnlyObservableList <object> rool = new ReadOnlyObservableList <object>(observableCollection);
SwitchableListSource <object> sls = new SwitchableListSource <object>();
sls.Source = rool;
TransformingReadOnlyObservableList <object, object> trool = new TransformingReadOnlyObservableList <object, object>(sls, Selector, Delete);
deleteItems.Clear();
//[1 2 3 4 5 6 7]
observableCollection.Insert(3, 8);
//[1 2 3 8 4 5 6 7]
observableCollection.Add(9);
//[1 2 3 8 4 5 6 7 9]
observableCollection.RemoveAt(0);
//[2 3 8 4 5 6 7 9]
observableCollection[2] = 10;
//[2 3 10 4 5 6 7 9]
observableCollection.Move(4, 5);
//[2 3 10 4 6 5 7 9]
Assert.AreEqual(deleteItems.Count, 2);
Assert.AreEqual(deleteItems[0], 1);
Assert.AreEqual(deleteItems[1], 8);
Assert.AreEqual(trool.Count, 8);
Assert.AreEqual(trool[0], 2);
Assert.AreEqual(trool[1], 3);
Assert.AreEqual(trool[2], 10);
Assert.AreEqual(trool[3], 4);
Assert.AreEqual(trool[4], 6);
Assert.AreEqual(trool[5], 5);
Assert.AreEqual(trool[6], 7);
Assert.AreEqual(trool[7], 9);
}
public void OnRemoveElementTest2()
{
var observableCollection = new ObservableCollection <object>(new List <object>()
{
1, 2, 3, 4, 5, 6, 7
});
IReadOnlyObservableList <object> rool = new ReadOnlyObservableList <object>(observableCollection);
SwitchableListSource <object> sls = new SwitchableListSource <object>();
sls.Source = rool;
TransformingReadOnlyObservableList <object, object> trool =
new TransformingReadOnlyObservableList <object, object>(sls, Selector, Delete);
Assert.IsTrue(observableCollection.Remove(2));
Assert.AreEqual(trool.Count, 6);
Assert.AreEqual(deleteItems.Count, 1);
Assert.AreEqual(deleteItems[0], 2);
observableCollection.RemoveAt(3);
Assert.AreEqual(trool.Count, 5);
Assert.AreEqual(deleteItems.Count, 2);
Assert.AreEqual(deleteItems[1], 5);
Assert.AreEqual(trool[1], 3);
}
