public async Task Test()
{
var b = new AcWrapperObservableCollection();
var e = new AcEnabledOnlyCollection <AcFakeObject>(b);
// First run
b.Add(new AcItemWrapper(new AcFakeObject("a", true)));
await Task.Delay(1);
b.Add(new AcItemWrapper(new AcFakeObject("b", true)));
b.Add(new AcItemWrapper(new AcFakeObject("c", false)));
Assert.AreEqual("a,b", e.Select(x => x.Id).JoinToString(','));
// Loading
var w = new AcItemWrapper(new FakeLoader(), new AcPlaceholderNew("a", true));
b.Add(w);
Assert.AreEqual("a,b", e.Select(x => x.Id).JoinToString(','));
w.Value = new AcFakeObject("L", true);
Assert.AreEqual("a,b,L", e.Select(x => x.Id).JoinToString(','));
// Removal
b.RemoveAt(1);
b.RemoveAt(2);
await Task.Delay(1);
b.Add(new AcItemWrapper(new AcFakeObject("q", true)));
Assert.AreEqual("a,q", e.Select(x => x.Id).JoinToString(','));
// Replacement
b.Replace(b.First(x => x.Id == "a"), new AcItemWrapper(new AcFakeObject("a", false)));
b.Replace(b.First(x => x.Id == "c"), new AcItemWrapper(new AcFakeObject("c", true)));
Assert.AreEqual("c,q", e.Select(x => x.Id).JoinToString(','));
// Insert
b.Insert(0, new AcItemWrapper(new AcFakeObject("m", true)));
Assert.AreEqual("m,c,q", e.Select(x => x.Id).JoinToString(','));
}
protected void ReplaceInList([NotNull] string oldId, AcItemWrapper newItem)
{
if (oldId == null)
{
throw new ArgumentNullException(nameof(oldId));
}
var wrapper = GetWrapperById(oldId);
if (wrapper == null)
{
return;
}
if (wrapper.IsLoaded)
{
((AcObjectNew)wrapper.Value).Outdate();
}
InnerWrappersList.Replace(wrapper, newItem);
UpdateList(true);
ResetLoading();
}
