public void Clear_INotifyPropertyChangedItems_RemovesPropertyChangedEventHandlers()
{
var item1 = new Item();
var item2 = new Item();
var list = new List <Item> {
item1, item2, null
};
var bindingList = new CiccioSet <Item>(list);
Assert.Equal(1, item1.InvocationList.Length);
Assert.Equal(1, item2.InvocationList.Length);
bool calledListChanged = false;
bindingList.ListChanged += (object sender, ListChangedEventArgs e) =>
{
calledListChanged = true;
Assert.Equal(ListChangedType.Reset, e.ListChangedType);
Assert.Equal(-1, e.NewIndex);
};
bindingList.Clear();
Assert.True(calledListChanged);
Assert.Empty(bindingList);
Assert.Null(item1.InvocationList);
Assert.Null(item2.InvocationList);
}
/// <summary>
/// Clears the given Collection.
/// </summary>
public void ClearTest(CiccioSet <string> collection)
{
INotifyPropertyChanged collectionPropertyChanged = collection;
collectionPropertyChanged.PropertyChanged += Collection_PropertyChanged;
_expectedPropertyChanged = new[]
{
new PropertyNameExpected(COUNT),
//new PropertyNameExpected(ITEMARRAY)
};
collection.CollectionChanged += Collection_CollectionChanged;
ExpectedCollectionChangedFired++;
ExpectedAction = NotifyCollectionChangedAction.Reset;
ExpectedNewItems = null;
ExpectedNewStartingIndex = -1;
ExpectedOldItems = null;
ExpectedOldStartingIndex = -1;
collection.Clear();
Assert.Equal(0, collection.Count);
Assert.Equal(ExpectedCollectionChangedFired, NumCollectionChangedFired);
foreach (var item in _expectedPropertyChanged)
{
Assert.True(item.IsFound, "The propertychanged event should have fired for" + item.Name + ", since we just cleared the collection");
}
collection.CollectionChanged -= Collection_CollectionChanged;
collectionPropertyChanged.PropertyChanged -= Collection_PropertyChanged;
}
public static void ClearTest()
{
string[] anArray = { "one", "two", "three", "four" };
CiccioSet <string> col = new CiccioSet <string>(anArray);
col.Clear();
Assert.Equal(0, col.Count);
Assert.Empty(col);
//AssertExtensions.Throws<ArgumentOutOfRangeException>("index", () => col.ToArray()[1]);
//tests that the collectionChanged events are fired.
CollectionAndPropertyChangedTester helper = new CollectionAndPropertyChangedTester();
col = new CiccioSet <string>(anArray);
helper.ClearTest(col);
}
public void Clear_Invoke_Success()
{
var bindingList = new CiccioSet <object> {
new object(), new object()
};
bool calledListChanged = false;
bindingList.ListChanged += (object sender, ListChangedEventArgs e) =>
{
calledListChanged = true;
Assert.Equal(ListChangedType.Reset, e.ListChangedType);
Assert.Equal(-1, e.NewIndex);
};
bindingList.Clear();
Assert.True(calledListChanged);
Assert.Empty(bindingList);
}