System.Data.Tests.ConstraintCollectionTest.AddFkException2 C# (CSharp) Метод

        public void AddFkException2()
        {
            //Foreign key rules only work when the tables
            //are apart of the dataset
            var ds = new DataSet();
            ds.Tables.Add(_table);
            _table2.TableName = "TestTable2";
            ds.Tables.Add(_table2);

            _table.Rows.Add(new object[] { 1 });
            _table2.Rows.Add(new object[] { 3 });

            var fkc = new ForeignKeyConstraint(_table.Columns[0], _table2.Columns[0]);
            Assert.Throws<ArgumentException>(() => _table2.Constraints.Add(fkc));
        }