BloomTests.Book.BookCollectionTests.DeleteBook_FirstBookInEditableCollection_RaisesCollectionChangedEvent C# (CSharp) Method

        public void DeleteBook_FirstBookInEditableCollection_RaisesCollectionChangedEvent()
        {
            AddBook();
            bool triggered=false;
            _collection.CollectionChanged+= (x,y)=>triggered=true;
            _collection.DeleteBook(_collection.GetBookInfos().First());
            Assert.IsTrue(triggered);
        }