The art of software testing second edition - phần 8 pptx

... have the value 88 88; and the fourth, eighth, , words have the value CCCC. That is, each mem- ory word is initialized to the low-order hexadecimal digit in the address of the first byte of the ... is more than the cost of initially anticipating and coding the requirement. Finally, 182 The Art of Software Testing 03.qxd 4/29/04 4:37 PM Page 182 Extreme Te...

Ngày tải lên: 09/08/2014, 16:20

... produced at the exact point of the error, so it doesn’t show the program’s state at the point of the error. Program actions between the time of the dump and the time of the error can mask the clues ... the function testing of the DISPLAY command discussed in Chapter 4. Of the 38 test cases identified by the process of cause-effect graphing, w...

Ngày tải lên: 13/08/2014, 08:21

... value of at least 1. 72 The Art of Software Testing Figure 4.11 Syntax of the DISPLAY command. DISPLAY hexloc1 0 -hexloc2 -END -bytecount -1 01.qxd 4/29/04 4:33 PM Page 72 The next step is the ... of correct- answer records and the number -of- questions field on the first answer 62 The Art of Software Testing Figure 4.4 Input to the MTEST program. 1...

Ngày tải lên: 09/08/2014, 16:20

... bottom-up testing is the opposite of top-down testing; the advantages of top-down testing become the disadvantages of bottom-up testing, and the disadvantages of top- down testing become the advantages ... advantages of bottom-up testing. Because of this, the discussion of bottom-up testing is shorter. The bottom-up strategy begins with the terminal mo...

Ngày tải lên: 09/08/2014, 16:20

... So, the purpose of this updated edition of The Art of Software Test- ing is the same as it was in 1979: to fill these knowledge gaps for the professional programmer and the student of computer ... than the actual process itself. Therefore, we will start our discussion of soft- ware testing with these issues before we delve into the more techni- cal nature of...

Ngày tải lên: 09/08/2014, 16:20

... condition-coverage tests for the earlier example cov- 48 The Art of Software Testing 01.qxd 4/29/04 4:32 PM Page 48 Desk Checking A third human error-detection process is the older practice of desk checking. ... their ratings of other programs compared with those ratings of other reviewers of the same program. The pur- pose of the process is to allow programme...

Ngày tải lên: 09/08/2014, 16:20

... you are testing a sorting subroutine, the fol- lowing are situations to explore: 88 The Art of Software Testing 01.qxd 4/29/04 4:33 PM Page 88 outcomes of each condition in the decisions. The conditions ... Hence, the number of machine instructions executed during a test run using the incremental 1 08 The Art of Software Testing 02.qxd 4/29/04 4:36 PM P...

Ngày tải lên: 09/08/2014, 16:20

... area of program testing is of interest to you, research the concept of inductive assertions. The goal of this method is the development of a set of theorems about the program in ques- tion, the ... new;they often are replacements for some deficient system. As such, programs often 1 38 The Art of Software Testing 02.qxd 4/29/04 4:37 PM Page 1 38 The other...

Ngày tải lên: 09/08/2014, 16:20

... inputs as well as testing for invalid primes. The second part of the check is not needed because test case 2 handles this scenario. However, it is included by 188 The Art of Software Testing JUnit ... versions of the same browser as well. Vendors often improve some feature of their browser with each release, which may or may not be compatible with older versions. 20...

Ngày tải lên: 09/08/2014, 16:20

... 659 661 673 677 683 691 701 709 719 727 733 739 743 751 757 761 769 773 787 797 80 9 81 1 82 1 82 3 82 7 82 9 83 9 85 3 85 7 85 9 86 3 87 7 88 1 88 3 88 7 907 911 919 929 937 941 947 953 967 971 977 983 991 997 221 bappb.qxd ... or configurations. random-input testing. The processes of testing a program by ran- domly selecting a subset of all possible input values. sec...

Ngày tải lên: 09/08/2014, 16:20