示例#1
0
        public void AddEventCancel()
        {
            var collection = new StatefulCollection <string>(new[] { "Hello", "World" });

            collection.AddItem += (s, e) =>
            {
                e.Cancel = e.Item.ToString() != "simplic";

                Assert.IsNotNull(e.Item);
            };

            collection.Add("test");

            Assert.AreEqual(collection.Count, 2);
            Assert.AreEqual(collection.CountNewItems, 0);
            Assert.AreEqual(collection.CountRemovedItems, 0);

            collection.Add("simplic");

            Assert.AreEqual(collection.Count, 2);
            Assert.AreEqual(collection.CountNewItems, 1);
            Assert.AreEqual(collection.CountRemovedItems, 0);

            collection.Commit();

            Assert.AreEqual(collection.Count, 3);
            Assert.AreEqual(collection.CountNewItems, 0);
            Assert.AreEqual(collection.CountRemovedItems, 0);
        }
示例#2
0
        public void ClearEventCancel()
        {
            var cancel     = true;
            var collection = new StatefulCollection <string>(new[] { "Hello", "World", "Simplic" });

            collection.ClearCollection += (s, e) =>
            {
                e.Cancel = cancel;
            };

            collection.Clear();

            Assert.AreEqual(collection.Count, 3);
            Assert.AreEqual(collection.CountNewItems, 0);
            Assert.AreEqual(collection.CountRemovedItems, 0);

            cancel = false;
            collection.Clear();

            Assert.AreEqual(collection.Count, 0);
            Assert.AreEqual(collection.CountNewItems, 0);
            Assert.AreEqual(collection.CountRemovedItems, 0);

            // Test without event
            collection = new StatefulCollection <string>(new[] { "Hello", "World", "Simplic" });

            collection.Clear();

            Assert.AreEqual(collection.Count, 0);
            Assert.AreEqual(collection.CountNewItems, 0);
            Assert.AreEqual(collection.CountRemovedItems, 0);
        }
示例#3
0
        public void RemoveEventCancel()
        {
            var collection = new StatefulCollection <string>(new[] { "Hello", "World", "Simplic" });

            collection.RemoveItem += (s, e) =>
            {
                e.Cancel = e.Item.ToString() != "Simplic";

                Assert.IsNotNull(e.Item);
                Assert.AreNotEqual(e.Item, "NotInList");
            };

            collection.Remove("NotInList");

            Assert.AreEqual(collection.Count, 3);
            Assert.AreEqual(collection.CountNewItems, 0);
            Assert.AreEqual(collection.CountRemovedItems, 0);

            collection.Remove("Hello");

            Assert.AreEqual(collection.Count, 3);
            Assert.AreEqual(collection.CountNewItems, 0);
            Assert.AreEqual(collection.CountRemovedItems, 0);

            collection.Remove("Simplic");

            Assert.AreEqual(collection.Count, 2);
            Assert.AreEqual(collection.CountNewItems, 0);
            Assert.AreEqual(collection.CountRemovedItems, 1);

            collection.Commit();

            Assert.AreEqual(collection.Count, 2);
            Assert.AreEqual(collection.CountNewItems, 0);
            Assert.AreEqual(collection.CountRemovedItems, 0);
        }