C# (CSharp) QueryObservableCollectionView示例

示例#1

        public void When_filtering_query_collection_then_count_should_be_correct()
        {
            //// Arrange
            var source = new ObservableCollection <SampleClass>
            {
                new SampleClass {
                    First = "a", Last = "b"
                },
                new SampleClass {
                    First = "a", Last = "b"
                },
                new SampleClass {
                    First = "b", Last = "c"
                },
                new SampleClass {
                    First = "b", Last = "c"
                },
            };

            //// Act
            var view = new QueryObservableCollectionView <SampleClass>(source);

            Assert.AreEqual(4, view.Count);
            view.Query = list => list.Where(s => s.First == "a");

            //// Assert
            Assert.AreEqual(2, view.Count);
        }

示例#2

文件： QueryObservableCollectionViewTests.cs 项目： RareNCool/MyToolkit

        public void When_filtering_query_collection_then_count_should_be_correct()
        {
            //// Arrange
            var source = new ObservableCollection<SampleClass>
            {
                new SampleClass {First = "a", Last = "b"},
                new SampleClass {First = "a", Last = "b"},
                new SampleClass {First = "b", Last = "c"},
                new SampleClass {First = "b", Last = "c"},
            };

            //// Act
            var view = new QueryObservableCollectionView<SampleClass>(source);
            Assert.AreEqual(4, view.Count);
            view.Query = list => list.Where(s => s.First == "a");

            //// Assert
            Assert.AreEqual(2, view.Count);
        }