Software Principles

LOGIN360 ° PRINCIPLES OF SOFTWARE TESTING 1 2 3 4 5 ERROR FAULTY Unclear requirements and misinterpretation of requirements are the two major factors that cause defects in software . DEFECT CLUSTERING A defect is an error or a bug , in the application which is created . A programmer while designing and building the software can make mistakes or error PESTICIDE PARADOX To avoid this " insecticide paradox " , tests and test data need to be reviewed regularly to revise or create new tests . It is simply because , repeated use of insecticides reduces its effectiveness over time and similarly , the ability to find defects in testing will decrease EXHAUSTIVE TESTING Exhaustive testing is a technique used in software development that tests all possible combinations of a data set . This sort of testing is used to ensure that the program does not crash under any circumstance . It belongs to the category of quality assurance testing . EARLY TESTING To find the defect in the software , early test activity shall be started . The defect detected in the early phases of SDLC will be very less expensive . WWW.LOGIN360.IN