the art of application performance testing epub

... DESIGNING It is the art of application of design to clothing and accessories • WHAT IS FASHION? Fashion is the accepted day to day way of dressing at a given time If you see everyone wearing the same ... appropriateness for the season, and for adaptation to environment situation In some cases the popularity of fashion endure for many seasons because of the combinations of these reasons • “Take the blue ... exaggerated onstructions, separates, and coordinates The category emphasize the look of the electronic and the Strong metallic computer age (gold, silver, The design etc.), concept is vivid, and based

Ngày tải lên: 21/08/2015, 17:29

... of software testing with these issues before we delve into the more technical nature of the topic The Psychology of Testing One of the primary causes of poor program testing ... The Art of Software Testing stood the test of time, 25 years on the publisher’s list of available... be more important than the actual process itself Therefore, we will start ... were published about software testing They, too, took a more transient approach to the topic Myers’s The Art of Software Testing, on the other hand, gave the industry a long-lasting,

Ngày tải lên: 09/08/2014, 16:20

... DEPTTAB The function of the 102 The Art of Software Testing module is to increment the salary (EMPTAB.SALARY) of those employees in the department or departments having the. ... The next step is the testing of B and D, but rather than testing them in isolation, they... the driver modules (if you start from the top) or stub modules (if you start from the ... way of managing the combined elements of testing, since attention is focused initially on smaller units of the program. Second, module testing eases the task of debugging (the process of pinpointing

Ngày tải lên: 09/08/2014, 16:20

... advantages of top-down testing become thedisadvantages of bottom-up testing, and the disadvantages of top-down testing become the advantages of bottom-up testing Because of this, the discussion of bottom-up ... that use them are tested Bottom-up Testing The next step is to examine the bottom-up incremental testing strategy For the most part, bottom-up testing is the opposite oftop-down testing; the advantages ... is the BONUSmodule of Figure 5.2, it might be impossible, because of the nature of intervening module D, to create some of the seven test cases ofFigures 5.5 and 5.6 Trang 6Second, because of the

Ngày tải lên: 09/08/2014, 16:20

... 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 proof of which ... have little confidence in the application’s validity. Reliability Testing Of course, the goal of all types of testing is the improvement of the program reliability, but if the program’s objectives ... time—which is frequently the case if the software is accessing a remote system—then a message should be displayed informing the user of what is going on. 136 The Art of Software Testing 02.qxd 4/29/04

Ngày tải lên: 09/08/2014, 16:20

... through the logic of the program until you 168 The Art of Software Testing 02.qxd 4/29/04 4:37 PM Page 168 find the point where the logic went astray. In other words, start at the point where the ... XP...172 The Art of Software Testing posed correction does not match all the clues about the error, you may be fixing only a part of the error The Probability of the Fix ... as follows: 1. Enumerate the possible causes or hypotheses. The first step is to develop a list of all conceivable causes of the error. They 164 The Art of Software Testing 02.qxd 4/29/04 4:37

Ngày tải lên: 09/08/2014, 16:20

... that of traditional applications. You need to uncover errors in the application before deploying it to the Internet. And, given the com- plexity of these applications and the interdependency of the ... The Art of Software Testing Content testing involves checking the human-interface element of a... affects the system very little The types of tests you run depend on the ... in a class of the application. Creating the test harness first forced us to think about the structure of the application. In some respects, the application is designed to support the test har-

Ngày tải lên: 09/08/2014, 16:20

... preventing, 125 Software objectives, external specification, 124 Software prediction, 140 Software proving, 140 Software. .. determine whether the application can handle the volume of data ... Volume testing is not the same as stress testing walkthrough A set of procedures and error-detection techniques for group code readings that is often used as part of the testing ... group of people act as a “computer” to process a small set of test cases white-box testing A type of testing. .. access the applications typically require stress testing system testing

Ngày tải lên: 09/08/2014, 16:20

... itself. Therefore, we will start our discussion of software testing with these issues before we delve into the more technical nature of the topic. The Psychology of Testing One of the primary ... about testing and debugging his or her exercises.” So, the purpose of this updated edition of The Art of Software Testing is the same as it was in 1979: to fill these knowledge gaps for the professional ... examination of the program’s... in the proper sense The analogy, of course, is that we should think of the program, as we begin testing it, as the sick patient The Art of Software

Ngày tải lên: 13/08/2014, 08:21

... review. Only one of the participants is the author of the program. Therefore, the majority of program testing is conducted by people other than the author, which follows the testing principle ... code: the size or complexity of the application, the size of the development team, the timeline for application development (whether the schedule is relaxed or intense, for example), and, of course, ... Do not plan a testing effort under the tacit assumption that no errors will be found. 9 The probability of the existence of more errors in a section of a The Art of Software Testing - Second

Ngày tải lên: 13/08/2014, 08:21

... paths In the case of loops, the number of test cases required by the multiple-condition criterion is normally much less than the number of paths The Art of Software Testing ... ratings of other programs compared with those ratings of other reviewers of the same program. The purpose of the process is to allow programmers to self-assess their programming skills. As such, the ... outcomes, but they cover only two of the four decision outcomes (both of them cover path abe and, hence, do not exercise the true outcome of the first decision and the false outcome of the second

Ngày tải lên: 13/08/2014, 08:21

... instance, perhaps the MTEST program of the previous section fails if the product of the number of questions and the number of students exceeds some limit (the program runs out of memory, for example) ... output report The next set of records describes the correct answers on the exam These records contain a “2” as the last character In the first record of this set, the number of questions is listed ... student is the first student in the file 23 The above student is the last student in the file You also can derive a useful set of test cases by examining the output boundaries, although some of the

Ngày tải lên: 13/08/2014, 08:21

... cases invoked, for the most part, the same set of causes, different values for the causes were selected to slightly improve the yield of the test cases. Also note that, because of the actual storage ... several of the testing principles in Chapter 2. Identifying the expected output of each test case is an inherent part of the technique (each column in the decision table indicates the expected ... whole, testing is first focused on the smaller building blocks of the program. The motivations for doing this are threefold. First, module testing is a way of managing the combined elements of testing,

Ngày tải lên: 13/08/2014, 08:21

... testing; the advantages of top-down testing become the disadvantages of bottom-up testing, and the disadvantages of top-down testing become the advantages of bottom-up testing ... the Test The remaining part of the module test is the act of actually carrying out the test A set of hints and guidelines for doing this are described here The Art of Software ... made about the order of entries in EMPTAB and DEPTTAB. The function of the module is to increment the salary ( EMPTAB.SALARY) of those employees in the department or departments having the largest

Ngày tải lên: 13/08/2014, 08:21

... concept of inductive assertions The goal of this method is the development of a set of theorems about the program in question, the proof of which guarantees the absence of errors ... part of the system testing process This is particularly true of an automated installation system that is part of the program... tested during the system test The Art of Software ... Higher-Order Testing the function test might be the only higher-order test. Also, the need for higher-order testing increases as the size of the program increases. The reason is that the ratio of design

Ngày tải lên: 13/08/2014, 08:21

... 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 ... symptom), then you can immediately and validly eliminate as the cause of the problem certain parts of the system—the AM/FM radio, for example, or the speedometer or the truck lock. The problem ... in the address of the first byte of the word (the values of locations 23FC, 23FD, 23FE, and 23FF are C) The test cases, their expected output, and the actual output after the

Ngày tải lên: 13/08/2014, 08:21

... also is the most valuable question. It requires that you pinpoint the original source and time of the error. For example, the original source of the error might be an ambiguous The Art of Software ... in a class of the application. Creating the test harness first forced us to think about the structure of the application. In some respects, the application is designed to support the test harness. ... the testing approach varies for the different types of sites as well The goal of testing Internet-based applications... applications that use the Internet as a pipeline to a particular

Ngày tải lên: 13/08/2014, 08:21

... Perl. Regardless of your approach, there exist certain characteristics of your application that you should always test. These areas include the following: The Art of Software Testing - Second ... can segment the testing of an Internet application into discrete entities, you can do the same when testing the presentation layer. The following identifies the three major areas of presentation ... architecture testing into the regression-testing process as well. Numerous tools exist that can automate the process of verifying links and checking for missing files. The Art of Software Testing

Ngày tải lên: 13/08/2014, 08:21