public void AutoGroupTest()
{
var cw = new DependencyCollectionView();
CreateGroups(cw);
Enumerable.Range(0, 100)
.ToList()
.ForEach(i => cw.Add(i));
Assert.AreEqual(cw.CollectionGroups.Count, 5);
foreach (ICollectionViewGroup item in cw.CollectionGroups)
{
Assert.AreEqual(20, item.GroupItems.Count);
}
cw.Remove(13);
Assert.AreEqual(
19,
cw
.CollectionGroups
.OfType<SelfServiceDependencyCollectionViewGroupBase>()
.Where(g => (int)g.Group == 3)
.Select(g => g.GroupItems.Count).First());
Assert.AreEqual(
99,
cw.Count);
var incFac = new DependencyCollectionViewDelegateIncrementalLoader(
(v, inc) => true,
async (v, inc, c) =>
{
Enumerable.Range((int)v[v.Count - 1] + 1, c)
.ToList().ForEach(val =>
v.Add(val));
await Task.Yield();
return new LoadMoreItemsResult { Count = (uint)c };
}
);
cw.IncrementalLoader = incFac;
var t= cw.LoadMoreItemsAsync(10);
Assert.AreEqual(
109,
cw.Count);
Assert.AreEqual(
21,
cw
.CollectionGroups
.OfType<SelfServiceDependencyCollectionViewGroupBase>()
.Where(g => (int)g.Group == 3)
.Select(g => g.GroupItems.Count).First());
}
public void AddRemoveTest()
{
var cw = new DependencyCollectionView();
cw.Add("a");
cw.Add("b");
cw.Remove("b");
Assert.AreEqual(cw.Count, 1);
}
public void AddRemoveTest()
{
var cw = new DependencyCollectionView();
cw.Add("a");
cw.Add("b");
cw.Remove("b");
Assert.AreEqual(cw.Count, 1);
}
public void AutoGroupTest()
{
var cw = new DependencyCollectionView();
CreateGroups(cw);
Enumerable.Range(0, 100)
.ToList()
.ForEach(i => cw.Add(i));
Assert.AreEqual(cw.CollectionGroups.Count, 5);
foreach (ICollectionViewGroup item in cw.CollectionGroups)
{
Assert.AreEqual(20, item.GroupItems.Count);
}
cw.Remove(13);
Assert.AreEqual(
19,
cw
.CollectionGroups
.OfType <SelfServiceDependencyCollectionViewGroupBase>()
.Where(g => (int)g.Group == 3)
.Select(g => g.GroupItems.Count).First());
Assert.AreEqual(
99,
cw.Count);
var incFac = new DependencyCollectionViewDelegateIncrementalLoader(
(v, inc) => true,
async(v, inc, c) =>
{
Enumerable.Range((int)v[v.Count - 1] + 1, c)
.ToList().ForEach(val =>
v.Add(val));
await Task.Yield();
return(new LoadMoreItemsResult {
Count = (uint)c
});
}
);
cw.IncrementalLoader = incFac;
var t = cw.LoadMoreItemsAsync(10);
Assert.AreEqual(
109,
cw.Count);
Assert.AreEqual(
21,
cw
.CollectionGroups
.OfType <SelfServiceDependencyCollectionViewGroupBase>()
.Where(g => (int)g.Group == 3)
.Select(g => g.GroupItems.Count).First());
}