System.Data.Tests.DataSetTest2.Merge_DuplicateConstraints_1 C# (CSharp) Method

        public void Merge_DuplicateConstraints_1()
        {
            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));
            DataColumn pcol1 = table1.Columns.Add("col2", typeof(int));
            DataColumn ccol1 = table2.Columns.Add("col2", typeof(int));

            DataSet ds1 = ds.Copy();

            table2.Constraints.Add("fk", pcol, ccol);
            ds1.Tables[1].Constraints.Add("fk", ds1.Tables[0].Columns["col2"], ds1.Tables[1].Columns["col2"]);

            // No Exceptions shud be thrown
            ds.Merge(ds1);
            Assert.Equal(2, table2.Constraints.Count);
            Assert.Equal("Constraint1", table2.Constraints[1].ConstraintName);
        }