[Mono-bugs] [Bug 650830] New: DataView.ListChanged ItemDeleted has Old/NewIndex the wrong way around when item leaves filter

[bugzilla_noreply at novell.com]

https://bugzilla.novell.com/show_bug.cgi?id=650830

https://bugzilla.novell.com/show_bug.cgi?id=650830#c0


           Summary: DataView.ListChanged ItemDeleted has Old/NewIndex the
                    wrong way around when item leaves filter
    Classification: Mono
           Product: Mono: Class Libraries
           Version: 2.6.x
          Platform: x86
        OS/Version: Windows 7
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: Sys.Data
        AssignedTo: mono-bugs at lists.ximian.com
        ReportedBy: cvolzke at live.com.au
         QAContact: mono-bugs at lists.ximian.com
          Found By: ---
           Blocker: ---


User-Agent:       Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US)
AppleWebKit/532.5 (KHTML, like Gecko) Chrome/4.1.249.1036 Safari/532.5

When a DataRow's values leave the scope of a DataView filter, a
ListChangedType.ItemDeleted is raised with the OldIndex containing the index
instead of NewIndex.

Usually when ItemDeleted is raised (in Mono and in ms.net), NewIndex should
have the old row's index.

Reproducible: Always

Steps to Reproduce:
Test case:

            DataTable table = new DataTable();
            table.Columns.Add("column");
            table.Rows.Add("in");
            table.Rows.Add("in");

            ListChangedEventArgs listChanged = null;
            table.DefaultView.ListChanged += (sender, e) => listChanged = e;
            table.DefaultView.RowFilter = "column = in";
            table.Rows[1][0] = "out";

            Debug.Assert(listChanged.ListChangedType ==
ListChangedType.ItemDeleted);
            Debug.Assert(listChanged.OldIndex == -1);
            Debug.Assert(listChanged.NewIndex == 1);

Actual Results:  
OldIndex == 1
NewIndex == -1


Expected Results:  
OldIndex == -1
NewIndex == 1

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