System.Data.Tests.DataTableTest4.XmlTest26 C# (CSharp) Метод

        public void XmlTest26()
        {
            MakeDummyTable();

            using (FileStream stream = new FileStream(_tempFile, FileMode.Create))
            {
                _dummyTable.WriteXml(stream, XmlWriteMode.DiffGram);
            }

            //Create a table and set the table name
            DataTable table = new DataTable("DummyTable");
            //define the table schame partially
            table.Columns.Add(new DataColumn("DummyItem", typeof(string)));

            XmlReadMode mode = XmlReadMode.Auto;

            using (FileStream stream = new FileStream(_tempFile, FileMode.Open))
            {
                mode = table.ReadXml(stream);
            }

            Assert.Equal(XmlReadMode.DiffGram, mode);
            Assert.Equal(null, table.DataSet);
            Assert.Equal(1, table.Columns.Count);
            Assert.Equal(typeof(string), table.Columns[0].DataType);
            Assert.Equal(3, table.Rows.Count);

            //Check Rows
            DataRow row = table.Rows[0];
            Assert.Equal("DummyItem 1", row[0]);
            Assert.Equal(DataRowState.Unchanged, row.RowState);

            row = table.Rows[1];
            Assert.Equal("Changed_DummyItem 2", row[0]);
            Assert.Equal(DataRowState.Modified, row.RowState);

            row = table.Rows[2];
            Assert.Equal("DummyItem 3", row[0]);
            Assert.Equal(DataRowState.Unchanged, row.RowState);
        }