public void AddContaintsItemTest()
 {
     IDataProvider dp = new DataProviderProxy(new RamDataProvider());
     dp.Clear();
     dp.AddItems(AddedItems);
     int countBefore = dp.Items.Length;
     dp.AddItems(AddedItems);
     int countAfter = dp.Items.Length;
     Assert.AreEqual(0, countAfter - countBefore);
     dp.Clear();
 }
 public void AddNewItemTest()
 {
     IDataProvider dp = new DataProviderProxy(new RamDataProvider());
     dp.Clear();
     dp.AddItems(AddedItems);
     int countBefore = dp.Items.Length;
     var newItems = new string[] { "AAA", "BBB" };
     dp.AddItems(newItems);
     int countAfter = dp.Items.Length;
     Assert.AreEqual(newItems.Length, countAfter - countBefore);
     dp.Clear();
 }
 public void FindItemsTest()
 {
     IDataProvider dp = new DataProviderProxy(new RamDataProvider());
     dp.Clear();
     dp.AddItems(AddedItems);
     Assert.AreEqual(2, dp.Search("a").Length);
     dp.Clear();
 }
 public void AddItemsTest()
 {
     IDataProvider dp = new DataProviderProxy(new RamDataProvider());
     dp.Clear();
     dp.AddItems(AddedItems);
     Assert.AreEqual(4, dp.Items.Length);
     dp.Clear();
 }