Patent 7620939 was granted and assigned to Parasoft on November, 2009 by the United States Patent and Trademark Office.
A method and system for regression testing of a computer software. The method and system execute the software for a first time to create a first data set; execute the software for a second time after the first time to create a second data set; compare the two data sets to determine differences between the two data sets; and store the differences as allowable differences to be ignored in a subsequent regression testing of the software.