the art of of software testing

... 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 ... 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, ... 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

Ngày tải lên: 09/08/2014, 16:20

... then 43 44 The Art of Software Testing supplementing these test cases by examining the logic of the program, using... ITABSIZE and NOTFOUND is true (hitting the end of the ... to who the three to five 38 The Art of Software Testing 01.qxd 4/29/04 4:32 PM Page 38 people should be vary. Of course, the programmer is one of those people. Suggestions for the other participants ... the check for the amount, since the program may say “XYZ IS UNKNOWN BOOK TYPE” and not bother to examine the remainder of the input 56 The Art of Software Testing An Example

Ngày tải lên: 09/08/2014, 16:20

... titles. The next input conditions are the presence 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 ... 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). ... 34. The mean is 0 (all students receive a grade of 0). 64 The Art of Software Testing 01.qxd 4/29/04 4:32 PM Page 64 35. The standard deviation is at its maximum (one student receives a 0 and the

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 ... combina- 108 The Art of Software Testing tions of modules are tested together at an early point in time... program The alternative approach is incremental testing Rather than testing

Ngày tải lên: 09/08/2014, 16:20

... Higher-Order Testing. ..120 The Art of Software Testing Performing the Test The remaining part of the module test is the act of actually carrying out the test A set of hints ... 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. Because of this, the discussion of ... the BONUS module of Figure 5.2, it might be impossible, because of the nature of intervening module D, to create some of the seven test cases of Figures 5.5 and 5.6. 114 The Art of Software Testing

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 ... 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 ... testing 150 The Art of Software Testing 3 An... company for software testing This is a good idea, whether the company that designed the system and will use it developed the system

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 ... Classical software processes still work, but often take too much time, which equates to lost income in the competitive arena of software development 177 1 78 The Art of Software Testing

Ngày tải lên: 09/08/2014, 16:20

... number of prime numbers involved. 190 The Art of Software Testing 03.qxd 4/29/04 4:37 PM Page 190 Summary With the increased competitiveness of software products, there is a need to introduce 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 ... 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

Ngày tải lên: 09/08/2014, 16:20

... 137 Serviceability testing, 142 Sieve of Eratosthenes, 190 Software development, vs testing, 127 Software development cycle, 123, 124 Software documentation, 125 Software errors: causes, ... preventing, 125 Software objectives, external specification, 124 Software prediction, 140 Software proving, 140 Software. .. determine whether the application can handle the volume of data ... 140 Software requirements, 125 Index Software testing: vs development, 127 human factor consideration, 135 principles of, 14–20 summarized, 15 Software test plan, 146 SRE See Software

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 ... also 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: 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 ... 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 ... explanation of why this occurs. The phenomenon is useful in that it gives us insight or feedback in the testing process. If a particular section of a program 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 ... the inspection, the walkthrough is an uninterrupted meeting of one to two hours in duration. The walkthrough team consists of three to five people. One of these people plays a The Art of Software ... 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

... the words containing the bytes in the address range 50FF to the end of memory The first step is a careful analysis of the specification... the and is in the middle of the ... 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). ... decision tables, the causes are the conditions and the effects are the actions The procedure... under what conditions an effect is present) The Art of Software Testing -

Ngày tải lên: 13/08/2014, 08:21

... the situations where effect 92 is present. Columns 16 and 17 represent the situations where effect 93 is present. Figure 4.18 represents the remainder of the decision table. The Art of Software ... 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

Ngày tải lên: 13/08/2014, 08:21

... 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 ... 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 ... 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

... 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 ... 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 ... recovering the database system If possible, a person not associated with the administration of the database should test the procedures... software company’s database The Art of Software

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 ... perfect, committing errors in either the design or the coding of the program. • You may run out of steam. Of all the software development activities, debugging is the most mentally taxing activity. ... 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

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 ... With the increased competitiveness of software products, there is a need to introduce the products very quickly into the marketplace... experience on your Website The Art of Software ... you do not have time to create the tests because the application must meet a deadline. These are valid concerns, but they are easily addressed. The Art of Software Testing - Second Edition Página

Ngày tải lên: 13/08/2014, 08:21

... system testing, you must have a written set of measurable objectives The Art of Software Testing - Second Edition Página 150 ... 991 997 The Art of Software Testing ... 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 ... 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

... continue, for the success of these men in the fulness of the sunlight of their triumph, realists as well as impressionists, was wholly due to their understanding of and adherence to the rules of selection, ... concerns the great Spaniard is the whole composition alive in the blaze of the sunlight, the glare of the hot sand and the[ 55] shimmer of the blue, overarching sky, beating up and down and over the ... tea-rose yellow; the gloom of a forest with its yellow-grays and blue-grays, the gray-green moss of the lichens, the brown of the tree-trunks, the black and gray hues of the rocks, all these, if carefully...

Ngày tải lên: 06/03/2014, 01:21