[Mono-bugs] [Bug 673068] New: Calling ToolStripManager.RevertMerge on an unmerged toolstip throws exception. .NET difference.

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https://bugzilla.novell.com/show_bug.cgi?id=673068

https://bugzilla.novell.com/show_bug.cgi?id=673068#c0


           Summary: Calling ToolStripManager.RevertMerge on an unmerged
                    toolstip throws exception. .NET difference.
    Classification: Mono
           Product: Mono: Class Libraries
           Version: 2.8.x
          Platform: Other
        OS/Version: Other
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: Windows.Forms
        AssignedTo: mono-bugs at lists.ximian.com
        ReportedBy: tom_hindle at sil.org
         QAContact: mono-bugs at lists.ximian.com
          Found By: ---
           Blocker: ---


Created an attachment (id=414755)
 --> (http://bugzilla.novell.com/attachment.cgi?id=414755)
Simple test cases showing ArgumentNullException thrown.

User-Agent:       Mozilla/5.0 (X11; U; Linux x86_64; en-US) AppleWebKit/532.5
(KHTML, like Gecko) Chrome/4.0.249.43 Safari/532.5

Attached simple test case.

Reproducible: Always

Steps to Reproduce:
1. Compile and run attached test case.

Actual Results:  
Unhandled Exception: System.ArgumentNullException: Argument cannot be null.
Parameter name: sourceToolStrip
  at System.Windows.Forms.ToolStripManager.RevertMerge
(System.Windows.Forms.ToolStrip targetToolStrip, System.Windows.Forms.ToolStrip
sourceToolStrip) [0x00000] in <filename unknown>:0 
  at System.Windows.Forms.ToolStripManager.RevertMerge
(System.Windows.Forms.ToolStrip targetToolStrip) [0x00000] in <filename
unknown>:0 
  at ToolStripManagerRevertMergeTest.MainClass.Main (System.String[] args)
[0x00006] in
/home/hindlet/Projects/ToolStripManagerRevertMergeTest/ToolStripManagerRevertMergeTest/Main.cs:11

Expected Results:  
No Exception should be thrown.

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