public void Test_ReplaceWith_EmptyItemsArgument_Ok()
{
int eventCount = 0;
ExtendedObservableCollection <int> observableCollection = new ExtendedObservableCollection <int>();
observableCollection.CollectionChanged += (sender, args) => eventCount++;
observableCollection.ReplaceWith(null);
observableCollection.ReplaceWith(new List <int>());
observableCollection.ReplaceWith(new int[0]);
Assert.Empty(observableCollection);
Assert.Equal(0, eventCount);
}
public void Test_ReplaceWith_Ok()
{
int eventCount = 0;
IEnumerable <int> initialNumbers = Enumerable.Range(1, 4);
IEnumerable <int> newNumbers = Enumerable.Range(16, 32);
ExtendedObservableCollection <int> observableCollection = new ExtendedObservableCollection <int>(initialNumbers);
observableCollection.CollectionChanged += (sender, args) => eventCount++;
observableCollection.ReplaceWith(newNumbers);
Assert.Equal(newNumbers.Count(), observableCollection.Count);
foreach (int number in newNumbers)
{
Assert.Contains(observableCollection, numberItem => numberItem == number);
}
Assert.Equal(1, eventCount);
}
