Disadvantages of Black Box Test N5天033983 esting every possible input stream is unrealistic because it would take a inordinate amount of time, many program paths will go untested The test can be redundant if the software designer has run a test case, there may be unnecessary repetition of test inputs if the tester is not informed of test cases the programmer has already tried Without clear and concise specifications test cases are hard to design Cannot be directed toward specific segments of code which ma be very complex(and therefore more error prone) Most testing related research has been directed toward glass box testing18 Disadvantages of Black Box Test • Testing every possible input stream is unrealistic because it would take a inordinate amount of time; many program paths will go untested. • The test can be redundant if the software designer has run a test case, there may be unnecessary repetition of test inputs if the tester is not informed of test cases the programmer has already tried . • Without clear and concise specifications, test cases are hard to design • Cannot be directed toward specific segments of code which may be very complex (and therefore more error prone) • Most testing related research has been directed toward glass box testing Zhu.Kerry@gmail.com