System.Data.Tests.DataTableTest.PrimaryKeyColumnChecksNonNull C# (CSharp) Метод

        public void PrimaryKeyColumnChecksNonNull()
        {
            DataTable dt = new DataTable("table");
            dt.Columns.Add("col1");
            dt.Columns.Add("col2");
            dt.Constraints.Add(new UniqueConstraint(dt.Columns[0]));
            dt.PrimaryKey = new DataColumn[] { dt.Columns[0] };
            dt.Rows.Add(new object[] { 1, 3 });

            try
            {
                dt.Rows.Add(new object[] { DBNull.Value, 3 });
                Assert.False(true);
            }
            catch (NoNullAllowedException)
            {
            }
        }