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Discovery

Exterminating Bugs in Spreadsheets and Web Applications

Spreadsheet cell borders

The 'What You See is What You Test' (WYSIWYT) testing approach. Spreadsheet cell borders reflect the 'testedness' of cells. Users indicate 'testing decisions' by placing checkmarks.

Credit: Eugene Creswick, Joe Ruthruff, Margaret Burnett and Gregg Rothermel, Oregon State University