System.Data.Tests.DataViewTest2.RowStateFilter C# (CSharp) Method

        public void RowStateFilter()
        {
            /*
				Added			A new row. 4 
				CurrentRows		Current rows including unchanged, new, and modified rows. 22 
				Deleted			A deleted row. 8 
				ModifiedCurrent A current version, which is a modified version of original data (see ModifiedOriginal). 16 
				ModifiedOriginal The original version (although it has since been modified and is available as ModifiedCurrent). 32 
				None			None. 0 
				OriginalRows	Original rows including unchanged and deleted rows. 42 
				Unchanged		An unchanged row. 2 
			 */

            //DataRowView[] drvResult = null;
            ArrayList al = new ArrayList();

            DataTable dt = DataProvider.CreateParentDataTable();

            //create the dataview for the table
            DataView dv = new DataView(dt);

            DataRow[] drResult;

            dt.Rows[0].Delete();
            dt.Rows[1]["ParentId"] = 1;
            dt.Rows[2]["ParentId"] = 1;
            dt.Rows[3].Delete();
            dt.Rows.Add(new object[] { 1, "A", "B" });
            dt.Rows.Add(new object[] { 1, "C", "D" });
            dt.Rows.Add(new object[] { 1, "E", "F" });

            //---------- Added -------- 
            dv.RowStateFilter = DataViewRowState.Added;
            drResult = GetResultRows(dt, DataRowState.Added);
            // Added
            Assert.Equal(true, CompareSortedRowsByParentId(dv, drResult));

            //---------- CurrentRows -------- 
            dv.RowStateFilter = DataViewRowState.CurrentRows;
            drResult = GetResultRows(dt, DataRowState.Unchanged | DataRowState.Added | DataRowState.Modified);
            // CurrentRows
            Assert.Equal(true, CompareSortedRowsByParentId(dv, drResult));

            //---------- ModifiedCurrent -------- 
            dv.RowStateFilter = DataViewRowState.ModifiedCurrent;
            drResult = GetResultRows(dt, DataRowState.Modified);
            // ModifiedCurrent
            Assert.Equal(true, CompareSortedRowsByParentId(dv, drResult));

            //---------- ModifiedOriginal -------- 
            dv.RowStateFilter = DataViewRowState.ModifiedOriginal;
            drResult = GetResultRows(dt, DataRowState.Modified);
            // ModifiedOriginal
            Assert.Equal(true, CompareSortedRowsByParentId(dv, drResult));

            //---------- Deleted -------- 
            dv.RowStateFilter = DataViewRowState.Deleted;
            drResult = GetResultRows(dt, DataRowState.Deleted);
            // Deleted
            Assert.Equal(true, CompareSortedRowsByParentId(dv, drResult));
            /*
					//---------- OriginalRows -------- 
					dv.RowStateFilter = DataViewRowState.OriginalRows ;
					drResult = GetResultRows(dt,DataRowState.Unchanged | DataRowState.Deleted );
						// OriginalRows
						Assert.Equal(true , CompareSortedRowsByParentId(dv,drResult));
			*/
        }