Check the quality of the software produced by the programmer, using various test methods in order to ensure that the software will reach customers with high quality and free from errors, or that the smallest mistake.
Check the quality of the software produced by the programmer using the test to ensure that the software is to the customer. Quality and free of errors or mistakes as possible.
Check the quality of the software was produced by programmer by means of test activities to ensure that software to reach customers. Quality and error free or minimal errors.