public void ClearItemsUsesDispatcherToRaiseEvents()
{
var collection = new BindableCollection <Element>()
{
new Element()
};
bool propertyChangedRaised = false;
((INotifyPropertyChanged)collection).PropertyChanged += (o, e) => propertyChangedRaised = true;
bool collectionChangingRaised = false;
collection.CollectionChanging += (o, e) => collectionChangingRaised = true;
bool collectionChangedRaised = false;
collection.CollectionChanged += (o, e) => collectionChangedRaised = true;
var dispatcher = new TestDispatcher();
Execute.Dispatcher = dispatcher;
collection.Clear();
Assert.False(propertyChangedRaised);
Assert.False(collectionChangingRaised);
Assert.False(collectionChangedRaised);
Assert.NotNull(dispatcher.SendAction);
dispatcher.SendAction();
Assert.True(propertyChangedRaised);
Assert.True(collectionChangingRaised);
Assert.True(collectionChangedRaised);
}
public void InsertItemUsesDispatcherToInsertItem()
{
var collection = new BindableCollection <Element>();
var dispatcher = new TestDispatcher();
Execute.Dispatcher = dispatcher;
collection.Add(new Element());
Assert.AreEqual(0, collection.Count);
Assert.NotNull(dispatcher.SendAction);
dispatcher.SendAction();
Assert.AreEqual(1, collection.Count);
}
public void RemoveRangeUsesDispatcherToRemoveElements()
{
var itemsToRemove = new[] { new Element(), new Element() };
var existingItems = new[] { new Element() };
var collection = new BindableCollection<Element>(itemsToRemove.Concat(existingItems));
var dispatcher = new TestDispatcher();
Execute.Dispatcher = dispatcher;
collection.RemoveRange(itemsToRemove);
Assert.That(collection, Is.EquivalentTo(itemsToRemove.Concat(existingItems)));
Assert.NotNull(dispatcher.SendAction);
dispatcher.SendAction();
Assert.AreEqual(existingItems, collection);
}
public void RemoveRangeUsesDispatcherToRemoveElements()
{
var itemsToRemove = new[] { new Element(), new Element() };
var existingItems = new[] { new Element() };
var collection = new BindableCollection <Element>(itemsToRemove.Concat(existingItems));
var dispatcher = new TestDispatcher();
Execute.Dispatcher = dispatcher;
collection.RemoveRange(itemsToRemove);
Assert.That(collection, Is.EquivalentTo(itemsToRemove.Concat(existingItems)));
Assert.NotNull(dispatcher.SendAction);
dispatcher.SendAction();
Assert.AreEqual(existingItems, collection);
}
public void ClearItemsUsesDispatcherToClearItems()
{
var collection = new BindableCollection <Element>()
{
new Element()
};
var dispatcher = new TestDispatcher();
Execute.Dispatcher = dispatcher;
collection.Clear();
Assert.AreEqual(1, collection.Count);
Assert.NotNull(dispatcher.SendAction);
dispatcher.SendAction();
Assert.AreEqual(0, collection.Count);
}
public void SetItemUsesDispatcherToSetItems()
{
var initialElement = new Element();
var collection = new BindableCollection <Element>()
{
initialElement
};
var element = new Element();
var dispatcher = new TestDispatcher();
Execute.Dispatcher = dispatcher;
collection[0] = element;
Assert.AreEqual(initialElement, collection[0]);
Assert.NotNull(dispatcher.SendAction);
dispatcher.SendAction();
Assert.AreEqual(element, collection[0]);
}
public void ClearItemsUsesDispatcherToRaiseEvents()
{
var collection = new BindableCollection<Element>() { new Element() };
bool propertyChangedRaised = false;
((INotifyPropertyChanged)collection).PropertyChanged += (o, e) => propertyChangedRaised = true;
bool collectionChangingRaised = false;
collection.CollectionChanging += (o, e) => collectionChangingRaised = true;
bool collectionChangedRaised = false;
collection.CollectionChanged += (o, e) => collectionChangedRaised = true;
var dispatcher = new TestDispatcher();
Execute.Dispatcher = dispatcher;
collection.Clear();
Assert.False(propertyChangedRaised);
Assert.False(collectionChangingRaised);
Assert.False(collectionChangedRaised);
Assert.NotNull(dispatcher.SendAction);
dispatcher.SendAction();
Assert.True(propertyChangedRaised);
Assert.True(collectionChangingRaised);
Assert.True(collectionChangedRaised);
}
public void ClearItemsUsesDispatcherToClearItems()
{
var collection = new BindableCollection<Element>() { new Element() };
var dispatcher = new TestDispatcher();
Execute.Dispatcher = dispatcher;
collection.Clear();
Assert.AreEqual(1, collection.Count);
Assert.NotNull(dispatcher.SendAction);
dispatcher.SendAction();
Assert.AreEqual(0, collection.Count);
}
public void SetItemUsesDispatcherToSetItems()
{
var initialElement = new Element();
var collection = new BindableCollection<Element>() { initialElement };
var element = new Element();
var dispatcher = new TestDispatcher();
Execute.Dispatcher = dispatcher;
collection[0] = element;
Assert.AreEqual(initialElement, collection[0]);
Assert.NotNull(dispatcher.SendAction);
dispatcher.SendAction();
Assert.AreEqual(element, collection[0]);
}
public void InsertItemUsesDispatcherToInsertItem()
{
var collection = new BindableCollection<Element>();
var dispatcher = new TestDispatcher();
Execute.Dispatcher = dispatcher;
collection.Add(new Element());
Assert.AreEqual(0, collection.Count);
Assert.NotNull(dispatcher.SendAction);
dispatcher.SendAction();
Assert.AreEqual(1, collection.Count);
}