System.Data.Tests.DataRelationTest2.extendedProperties C# (CSharp) Метод

        public void extendedProperties()
        {
            var ds = new DataSet();
            DataTable dtChild = DataProvider.CreateChildDataTable();
            DataTable dtParent = DataProvider.CreateParentDataTable();
            ds.Tables.Add(dtParent);
            ds.Tables.Add(dtChild);

            DataRelation dRel;
            dRel = new DataRelation("MyRelation", dtParent.Columns[0], dtChild.Columns[0]);
            ds.Relations.Add(dRel);

            PropertyCollection pc;
            pc = dRel.ExtendedProperties;

            // Checking ExtendedProperties default 
            Assert.Equal(true, pc != null);

            // Checking ExtendedProperties count 
            Assert.Equal(0, pc.Count);
        }