# Testname: Anti Flickering test |
Document Owner: Frank Stecher | Last document change: 21.06.2007 | Status of document: Preliminary |
Valid for version: StarOffice8 PP8

### Test purpose:

Test that excessive flickering does not occur

### Known issues:

### Preconditions of test:

Make sure the OverlayBuffers for Calc and Writer are switched on: Shutdown the office Search in (install)\share\registry\schema\org\openoffice\Office\Common.xcs the flag OverlayBuffer_Writer and OverlayBuffer_CALC and check that they are set to 'true' ATTENTION: Delete the cache-directory (user_profile_dir)/user/registry/cache/ of the office if you had to change the setting!! Pre-rendering Check in the same file as above the flag PaintBuffer_Writer and PaintBuffer_Calc. Must be true. ATTENTION: Delete the cache-directory (user_profile_dir)/user/registry/cache/ of the office if you had to change a setting!!

### Test documents:

test.ods

### Testcases:

Flickering on scrolling through selected areas | Status: Preliminary | -
Download and open the testdoc.ods select the cell range starting at the current cell cursor position up to A1 with the mouse Now use the scrollbar and / or the mouse wheel to scroll the sheet Does the screen flicker with a high rate ? Yes ? File an Issue !
Flickering on moving OLE Objects | Status: Preliminary | -
Open a new Calc and a new Writer document Insert some numbers into a cell range Build a Chart out of these data. Deselect the Chart and select it again (green handles) Move the Chart around Does the screen flicker with a high rate ? Yes ? File an Issue ! Drag and Drop the Chart on the Writer document. Screen flickering badly ? File an Issue. Insert some Drawing Objects (a Star, a rectangle, a smiley,...)and group these. Move this grouped Object around D&D this Object to the Writer file with pressed CTRL key. The screen flickers ? File an Issue.

### References:

http://qa.openoffice.org/issues/show_bug.cgi?id=73912
http://qa.openoffice.org/issues/show_bug.cgi?id=73602

### Acronyms:

- D&D is the abbreviation for Drag and Drop. Click on an Object with the left mouse button and move this Object to another place while the mouse button is pressed.