System.Data.Tests.DataViewTest_IBindingListView.FilterTest C# (CSharp) Метод

        public void FilterTest()
        {
            IBindingListView view = new DataView(_table);

            view.Filter = "";
            Assert.Equal(_table.Rows.Count, view.Count);

            view.Filter = null;
            Assert.Equal(_table.Rows.Count, view.Count);

            view.Filter = "col1 <> 1";
            Assert.Equal(view.Filter, ((DataView)view).RowFilter);
            Assert.Equal(6, view.Count);

            //RemoveFilter Test
            view.RemoveFilter();
            Assert.Equal("", view.Filter);
            Assert.Equal("", ((DataView)view).RowFilter);
            Assert.Equal(_table.Rows.Count, view.Count);
        }