public void Test_ConcurrentObservableSortedDictionary_Clear()
{
var initial = Enumerable.Range(0, 100).Select(x => new KeyValuePair <int, int>(x, x));
var collection = new ConcurrentObservableSortedDictionary <int, int>();
collection.AddRange(initial);
Assert.AreEqual(100, collection.Count);
// Record all the collection changed events
List <(object, NotifyCollectionChangedEventArgs)> returnedList = new List <(object, NotifyCollectionChangedEventArgs)>();
collection.CollectionChanged += (s, e) => returnedList.Add((s, e));
collection.Clear();
// Check just one collection changed event was fired
Assert.AreEqual(1, returnedList.Count);
(var returnedObject, var returnedArgs) = returnedList[0];
Assert.AreEqual(0, collection.Count);
Assert.AreEqual(returnedObject, collection);
Assert.AreEqual(NotifyCollectionChangedAction.Remove, returnedArgs.Action);
Assert.IsNull(returnedArgs.NewItems);
Assert.IsNotNull(returnedArgs.OldItems);
Assert.AreEqual(initial.Count(), returnedArgs.OldItems.Count);
Assert.IsTrue(initial.Zip(returnedArgs.OldItems.OfType <KeyValuePair <int, int> >(), (a, b) => a.Key == b.Key && a.Value == b.Value).All(c => c));
}
public void Test_ConcurrentObservableSortedDictionary_RemoveRange_ByItems_IEnumerable()
{
var initial = Enumerable.Range(0, 100).Select(x => new KeyValuePair <int, int>(x, x));
var toRemove = Enumerable.Range(1, 40).Select(x => x * 2);
var collection = new ConcurrentObservableSortedDictionary <int, int>();
collection.AddRange(initial);
Assert.AreEqual(100, collection.Count);
// Record all the collection changed events
List <(object, NotifyCollectionChangedEventArgs)> returnedList = new List <(object, NotifyCollectionChangedEventArgs)>();
collection.CollectionChanged += (s, e) => returnedList.Add((s, e));
collection.RemoveRange(toRemove);
// Check just one collection changed event was fired
Assert.AreEqual(1, returnedList.Count);
(var returnedObject, var returnedArgs) = returnedList[0];
Assert.IsNotNull(returnedObject);
Assert.IsNotNull(returnedArgs);
Assert.AreEqual(returnedObject, collection);
Assert.AreEqual(NotifyCollectionChangedAction.Remove, returnedArgs.Action);
Assert.AreEqual(-1, returnedArgs.OldStartingIndex);
Assert.IsNull(returnedArgs.NewItems);
Assert.IsNotNull(returnedArgs.OldItems);
Assert.AreEqual(toRemove.Count(), returnedArgs.OldItems.Count);
Assert.IsTrue(CollectionsAreEqual(toRemove, returnedArgs.OldItems));
}
public void Test_ConcurrentObservableSortedDictionary_AddRange_Dictionary()
{
var toAdd = Enumerable.Range(0, 100).Select(x => new KeyValuePair <int, int>(x, x)).ToDictionary(x => x.Key, x => x.Value);
var collection = new ConcurrentObservableSortedDictionary <int, int>();
// Record all the collection changed events
List <(object, NotifyCollectionChangedEventArgs)> returnedList = new List <(object, NotifyCollectionChangedEventArgs)>();
collection.CollectionChanged += (s, e) => returnedList.Add((s, e));
collection.AddRange(toAdd);
// Check just one collection changed event was fired
Assert.AreEqual(1, returnedList.Count);
(var returnedObject, var returnedArgs) = returnedList[0];
Assert.AreEqual(returnedObject, collection);
Assert.AreEqual(returnedArgs.Action, NotifyCollectionChangedAction.Add);
Assert.IsNotNull(returnedArgs.NewItems);
Assert.IsNull(returnedArgs.OldItems);
Assert.AreEqual(toAdd.Count(), returnedArgs.NewItems.Count);
Assert.IsTrue(CollectionsAreEqual(toAdd, returnedArgs.NewItems));
}
