System.Data.Tests.DataSetTest2.CopyClone_RelationWithoutConstraints C# (CSharp) Method

        public void CopyClone_RelationWithoutConstraints()
        {
            DataSet ds = new DataSet();

            DataTable table1 = ds.Tables.Add("table1");
            DataTable table2 = ds.Tables.Add("table2");

            DataColumn pcol = table1.Columns.Add("col1", typeof(int));
            DataColumn ccol = table2.Columns.Add("col1", typeof(int));

            DataRelation rel = ds.Relations.Add("rel1", pcol, ccol, false);

            DataSet ds1 = ds.Copy();
            DataSet ds2 = ds.Clone();

            Assert.Equal(1, ds1.Relations.Count);
            Assert.Equal(1, ds2.Relations.Count);

            Assert.Equal(0, ds1.Tables[0].Constraints.Count);
            Assert.Equal(0, ds1.Tables[1].Constraints.Count);

            Assert.Equal(0, ds2.Tables[0].Constraints.Count);
            Assert.Equal(0, ds2.Tables[1].Constraints.Count);
        }