public void DeleteItemsTest()
{
var observableCollection = new ObservableCollection <int>(new List <int>()
{
1, 2, 3, 4, 5, 6, 7, 8, 9, 10
});
var rool = new ReadOnlyObservableList <int>(observableCollection);
var frooc = new FilteredReadOnlyObservableList <int>(rool, i => i % 2 == 0);
Assert.AreEqual(frooc.Count, 5);
observableCollection.Remove(3);
observableCollection.RemoveAt(1);
observableCollection.Remove(9);
int item = 4;
var iterator = frooc.GetEnumerator();
while (iterator.MoveNext())
{
Assert.AreEqual(iterator.Current, item);
item += 2;
}
Assert.AreEqual(item, 12);
Assert.AreEqual(frooc.Count, 4);
}
public void MoveItemsTest()
{
var observableCollection = new ObservableCollection <int>(new List <int>()
{
1, 2, 3, 4, 5, 6, 7, 8, 9, 10
});
var rool = new ReadOnlyObservableList <int>(observableCollection);
var frooc = new FilteredReadOnlyObservableList <int>(rool, i => i % 2 == 0);
Assert.AreEqual(frooc.Count, 5);
//[2 4 6 8 10]
observableCollection.Move(1, 7);
//[4 6 8 2 10]
observableCollection.Move(3, 5);
//[4 6 8 2 10]
observableCollection.Move(3, 2);
//[6 4 8 2 10]
int[] a = new[] { 6, 4, 8, 2, 10 };
var iterator = frooc.GetEnumerator();
int j = 0;
while (iterator.MoveNext())
{
Assert.AreEqual(iterator.Current, a[j]);
j++;
}
Assert.AreEqual(frooc.Count, 5);
}
public void OperationsTest()
{
var observableCollection = new ObservableCollection <int>(new List <int>()
{
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20
});
var rool = new ReadOnlyObservableList <int>(observableCollection);
var frooc = new FilteredReadOnlyObservableList <int>(rool, i => i % 2 == 0);
Assert.AreEqual(frooc.Count, 10);
//[2 4 6 8 10 12 14 16 18 20]
observableCollection.Remove(4);
//[2 6 8 10 12 14 16 18 20]
observableCollection.Move(6, 13);
//[2 6 10 12 14 8 16 18 20]
observableCollection.Add(22);
//[2 6 10 12 14 8 16 18 20 22]
observableCollection.Insert(3, 4);
//[2 4 6 10 12 14 8 16 18 20 22]
observableCollection.RemoveAt(20);
//[2 4 6 10 12 14 8 16 18 20]
observableCollection[0] = 24;
//[24 2 4 6 10 12 14 8 16 18 20]
int[] a = new[] { 24, 2, 4, 6, 10, 12, 14, 8, 16, 18, 20 };
var iterator = frooc.GetEnumerator();
int j = 0;
while (iterator.MoveNext())
{
Assert.AreEqual(iterator.Current, a[j]);
j++;
}
Assert.AreEqual(frooc.Count, a.Length);
}
