public void EventRemoveMany()
{ //****************************************
var MySeed = Environment.TickCount;
var MyRandom = new Random(MySeed);
var MyRecords = new ObservableSortedList <int, int>(1024);
var EventCount = 0;
//****************************************
for (var Index = 0; Index < 1024; Index++)
{
MyRecords.Add(MyRandom.Next(), MyRandom.Next());
}
MyRecords.CollectionChanged += (sender, e) => { if (e.Action == NotifyCollectionChangedAction.Remove)
{
EventCount++;
}
};
while (MyRecords.Count > 0)
{
MyRecords.RemoveAt(MyRecords.Count - 1);
}
//****************************************
Assert.AreEqual(0, MyRecords.Count, "Item count does not match");
Assert.AreEqual(1024, EventCount, "Event Count does not match");
}
public void RemoveAt()
{ //****************************************
var MySeed = Environment.TickCount;
var MyRandom = new Random(MySeed);
var MyDictionary = new SortedList <int, int>(1024);
//****************************************
for (var Index = 0; Index < 1024; Index++)
{
int Key, Value;
do
{
Key = MyRandom.Next();
} while (MyDictionary.ContainsKey(Key));
Value = MyRandom.Next();
MyDictionary.Add(Key, Value);
}
var MyRecords = new ObservableSortedList <int, int>(MyDictionary);
//****************************************
for (var Index = 0; Index < 512; Index++)
{
var InnerIndex = MyRandom.Next(MyRecords.Count);
var Key = MyRecords.Keys[InnerIndex];
MyRecords.RemoveAt(InnerIndex);
Assert.IsTrue(MyDictionary.Remove(Key));
}
//****************************************
Assert.AreEqual(512, MyRecords.Count, "Count incorrect. Bad Seed was {0}", MySeed);
CollectionAssert.AreEquivalent(MyDictionary, MyRecords, "Collections don't match. Bad Seed was {0}", MySeed);
foreach (var MyPair in MyDictionary)
{
Assert.IsTrue(MyRecords.TryGetValue(MyPair.Key, out var Value));
Assert.AreEqual(MyPair.Value, Value);
}
Thread.Sleep(1);
}
public void EventRemove()
{ //****************************************
var MySeed = Environment.TickCount;
var MyRandom = new Random(MySeed);
var MyRecords = new ObservableSortedList <int, int>(1);
NotifyCollectionChangedEventArgs MyEventArgs = null, MyKeyEventArgs = null, MyValueEventArgs = null;
//****************************************
MyRecords.Add(42, 84);
MyRecords.CollectionChanged += (sender, e) => MyEventArgs = e;
MyRecords.Keys.CollectionChanged += (sender, e) => MyKeyEventArgs = e;
MyRecords.Values.CollectionChanged += (sender, e) => MyValueEventArgs = e;
MyRecords.RemoveAt(0);
//****************************************
Assert.AreEqual(0, MyRecords.Count, "Item count does not match");
Assert.IsNotNull(MyEventArgs, "No Event Raised");
Assert.AreEqual(NotifyCollectionChangedAction.Remove, MyEventArgs.Action);
Assert.IsNotNull(MyEventArgs.OldItems, "No Old Items");
Assert.AreEqual(0, MyEventArgs.OldStartingIndex, "Starting Index incorrect");
Assert.AreEqual(1, MyEventArgs.OldItems.Count, "Old Items Count incorrect");
Assert.AreEqual(new KeyValuePair <int, int>(42, 84), MyEventArgs.OldItems[0], "Old Items Value incorrect");
Assert.IsNotNull(MyKeyEventArgs, "No Key Event Raised");
Assert.AreEqual(NotifyCollectionChangedAction.Remove, MyKeyEventArgs.Action);
Assert.IsNotNull(MyKeyEventArgs.OldItems, "No Key Old Items");
Assert.AreEqual(0, MyKeyEventArgs.OldStartingIndex, "Key Starting Index incorrect");
Assert.AreEqual(1, MyKeyEventArgs.OldItems.Count, "Old Key Items Count incorrect");
Assert.AreEqual(42, MyKeyEventArgs.OldItems[0], "Old Key Items Value incorrect");
Assert.IsNotNull(MyValueEventArgs, "No Value Event Raised");
Assert.AreEqual(NotifyCollectionChangedAction.Remove, MyEventArgs.Action);
Assert.IsNotNull(MyValueEventArgs.OldItems, "No Value Old Items");
Assert.AreEqual(0, MyValueEventArgs.OldStartingIndex, "Value Starting Index incorrect");
Assert.AreEqual(1, MyValueEventArgs.OldItems.Count, "Old Value Items Count incorrect");
Assert.AreEqual(84, MyValueEventArgs.OldItems[0], "Old Value Items Value incorrect");
}