System.Data.Tests.DataRowTest2.RejectChanges C# (CSharp) Method

        public void RejectChanges()
        {
            DataTable dt = new DataTable();
            DataColumn dc0 = new DataColumn("Col0", typeof(int));
            DataColumn dc1 = new DataColumn("Col1", typeof(int));
            dt.Columns.Add(dc0);
            dt.Columns.Add(dc1);
            dt.Rows.Add(new object[] { 1234 });
            dt.AcceptChanges();
            DataRow dr = dt.Rows[0];

            dr[0] = 567;
            dr[1] = 789;
            dr.RejectChanges();

            // RejectChanges - row 0
            Assert.Equal(1234, (int)dr[0]);

            // RejectChanges - row 1
            Assert.Equal(DBNull.Value, dr[1]);

            dr.Delete();
            dr.RejectChanges();

            // RejectChanges - count
            Assert.Equal(1, dt.Rows.Count);
        }