Standard Glossary of Terms Used in Software Testing Version 3.0 Advanced Test Analyst Terms
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A Combinatorial Approach to Detecting Buffer Overflow Vulnerabilities
A Combinatorial Approach to Detecting Buffer Overflow Vulnerabilities Wenhua Wang, Yu Lei, Donggang Liu, David Raghu Kacker, Rick Kuhn Kung, Christoph Csallner, Dazhi Zhang Information Technology Laboratory Department of Computer Science and Engineering National Institute of Standards and Technology The University of Texas at Arlington Gaithersburg, Maryland 20899, USA Arlington, Texas 76019, USA {raghu.kacker,kuhn}@nist.gov {wenhuawang,ylei,dliu,kung,csallner,dazhi}@uta.edu Abstract— Buffer overflow vulnerabilities are program defects Many security attacks exploit buffer overflow vulnerabilities that can cause a buffer to overflow at runtime. Many security to compromise critical data structures, so that they can attacks exploit buffer overflow vulnerabilities to compromise influence or even take control over the behavior of a target critical data structures. In this paper, we present a black-box system [27][32][33]. testing approach to detecting buffer overflow vulnerabilities. Our approach is a specification-based or black-box Our approach is motivated by a reflection on how buffer testing approach. That is, we generate test data based on a overflow vulnerabilities are exploited in practice. In most cases specification of the subject program, without analyzing the the attacker can influence the behavior of a target system only source code of the program. The specification required by by controlling its external parameters. Therefore, launching a our approach is lightweight and does not have to be formal. successful attack often amounts to a clever way of tweaking the In contrast, white-box testing approaches [5][13] derive test values of external parameters. We simulate the process performed by the attacker, but in a more systematic manner. -
Types of Software Testing
Types of Software Testing We would be glad to have feedback from you. Drop us a line, whether it is a comment, a question, a work proposition or just a hello. You can use either the form below or the contact details on the rightt. Contact details [email protected] +91 811 386 5000 1 Software testing is the way of assessing a software product to distinguish contrasts between given information and expected result. Additionally, to evaluate the characteristic of a product. The testing process evaluates the quality of the software. You know what testing does. No need to explain further. But, are you aware of types of testing. It’s indeed a sea. But before we get to the types, let’s have a look at the standards that needs to be maintained. Standards of Testing The entire test should meet the user prerequisites. Exhaustive testing isn’t conceivable. As we require the ideal quantity of testing in view of the risk evaluation of the application. The entire test to be directed ought to be arranged before executing it. It follows 80/20 rule which expresses that 80% of defects originates from 20% of program parts. Start testing with little parts and extend it to broad components. Software testers know about the different sorts of Software Testing. In this article, we have incorporated majorly all types of software testing which testers, developers, and QA reams more often use in their everyday testing life. Let’s understand them!!! Black box Testing The black box testing is a category of strategy that disregards the interior component of the framework and spotlights on the output created against any input and performance of the system. -
Human Performance Regression Testing
Human Performance Regression Testing Amanda Swearngin, Myra B. Cohen Bonnie E. John, Rachel K. E. Bellamy Dept. of Computer Science & Eng. IBM T. J. Watson Research Center University of Nebraska-Lincoln, USA P.O. Box 704 Lincoln, NE 68588-0115 Yorktown Heights, NY 10598, USA faswearn,[email protected] fbejohn,[email protected] Abstract—As software systems evolve, new interface features common tasks, necessitating longer mouse movements and, in such as keyboard shortcuts and toolbars are introduced. While fact, decrease efficiency. In addition, many toolbars with small it is common to regression test the new features for functional icons may add screen clutter and may decrease a new user’s correctness, there has been less focus on systematic regression testing for usability, due to the effort and time involved in human ability to discover how to accomplish a task over a simpler studies. Cognitive modeling tools such as CogTool provide some UI design. help by computing predictions of user performance, but they still Usability testing has traditionally been empirical, bringing require manual effort to describe the user interface and tasks, end-users in to a testing facility, asking them to perform tasks limiting regression testing efforts. In recent work, we developed on the system (or prototype), and measuring such things as the CogTool-Helper to reduce the effort required to generate human performance models of existing systems. We build on this work time taken to perform the task, the percentage of end-users by providing task specific test case generation and present our who can complete the task in a fixed amount of time, and vision for human performance regression testing (HPRT) that the number and type of errors made by the end-users. -
Evaluation Approaches in Software Testing Ayaz Farooq, Reiner R
Nr.: FIN-05-2008 Evaluation Approaches in Software Testing Ayaz Farooq, Reiner R. Dumke Arbeitsgruppe Softwaretechnik Fakultät für Informatik Otto-von-Guericke-Universität Magdeburg Impressum (§ 10 MDStV): Herausgeber: Otto-von-Guericke-Universität Magdeburg Fakultät für Informatik Der Dekan Verantwortlich für diese Ausgabe: Otto-von-Guericke-Universität Magdeburg Fakultät für Informatik Reiner Dumke Postfach 4120 39016 Magdeburg E-Mail: [email protected] http://www.cs.uni-magdeburg.de/Preprints.html Auflage: 81 Redaktionsschluss: Juli 2008 Herstellung: Dezernat Allgemeine Angelegenheiten, Sachgebiet Reproduktion Bezug: Universitätsbibliothek/Hochschulschriften- und Tauschstelle Otto-von-Guericke-University of Magdeburg Faculty of Computer Science Institute for Distributed Systems Software Engineering Group Evaluation Approaches in Software Testing Authors: Ayaz Farooq Reiner R. Dumke University of Magdeburg Faculty of Computer Science P.O. Box 4120, 39016 Magdeburg Germany Farooq, Ayaz Dumke, Reiner R. Evaluation Approaches in Software Testing Technical Report Otto-von-Guericke-University of Magdeburg 2008. Contents i Contents 1 Introduction 1 1.1 Evaluation Defined . 2 1.2 Evaluation in Software Engineering . 2 1.3 Evaluation in Software Testing . 3 1.4 Structure of the Report . 5 2 Test Processes: Basics & Maturities 7 2.1 Test Process Fundamentals . 7 2.1.1 Test Process Contexts . 9 2.1.2 Research over Test Process . 10 2.2 Test Process Definition & Modeling . 11 2.2.1 Generic Test Process Descriptions . 11 2.2.1.1 Test Management Approach-TMap . 13 2.2.1.2 Drabick’s Formal Testing Process . 13 2.2.1.3 Test Driven Development . 15 2.2.1.4 Independent Verification & Validation . 17 2.2.2 Domain Specific Test Processes . -
Software Testing: Essential Phase of SDLC and a Comparative Study Of
International Journal of System and Software Engineering Volume 5 Issue 2, December 2017 ISSN.: 2321-6107 Software Testing: Essential Phase of SDLC and a Comparative Study of Software Testing Techniques Sushma Malik Assistant Professor, Institute of Innovation in Technology and Management, Janak Puri, New Delhi, India. Email: [email protected] Abstract: Software Development Life-Cycle (SDLC) follows In the software development process, the problem (Software) the different activities that are used in the development of a can be dividing in the following activities [3]: software product. SDLC is also called the software process ∑ Understanding the problem and it is the lifeline of any Software Development Model. ∑ Decide a plan for the solution Software Processes decide the survival of a particular software development model in the market as well as in ∑ Coding for the designed solution software organization and Software testing is a process of ∑ Testing the definite program finding software bugs while executing a program so that we get the zero defect software. The main objective of software These activities may be very complex for large systems. So, testing is to evaluating the competence and usability of a each of the activity has to be broken into smaller sub-activities software. Software testing is an important part of the SDLC or steps. These steps are then handled effectively to produce a because through software testing getting the quality of the software project or system. The basic steps involved in software software. Lots of advancements have been done through project development are: various verification techniques, but still we need software to 1) Requirement Analysis and Specification: The goal of be fully tested before handed to the customer. -
Scenario Testing) Few Defects Found Few Defects Found
QUALITY ASSURANCE Michael Weintraub Fall, 2015 Unit Objective • Understand what quality assurance means • Understand QA models and processes Definitions According to NASA • Software Assurance: The planned and systematic set of activities that ensures that software life cycle processes and products conform to requirements, standards, and procedures. • Software Quality: The discipline of software quality is a planned and systematic set of activities to ensure quality is built into the software. It consists of software quality assurance, software quality control, and software quality engineering. As an attribute, software quality is (1) the degree to which a system, component, or process meets specified requirements. (2) The degree to which a system, component, or process meets customer or user needs or expectations [IEEE 610.12 IEEE Standard Glossary of Software Engineering Terminology]. • Software Quality Assurance: The function of software quality that assures that the standards, processes, and procedures are appropriate for the project and are correctly implemented. • Software Quality Control: The function of software quality that checks that the project follows its standards, processes, and procedures, and that the project produces the required internal and external (deliverable) products. • Software Quality Engineering: The function of software quality that assures that quality is built into the software by performing analyses, trade studies, and investigations on the requirements, design, code and verification processes and results to assure that reliability, maintainability, and other quality factors are met. • Software Reliability: The discipline of software assurance that 1) defines the requirements for software controlled system fault/failure detection, isolation, and recovery; 2) reviews the software development processes and products for software error prevention and/or controlled change to reduced functionality states; and 3) defines the process for measuring and analyzing defects and defines/derives the reliability and maintainability factors. -
A Test Case Suite Generation Framework of Scenario Testing
VALID 2011 : The Third International Conference on Advances in System Testing and Validation Lifecycle A Test Case Suite Generation Framework of Scenario Testing Ting Li 1,3 Zhenyu Liu 2 Xu Jiang 2 1) Shanghai Development Center 2) Shanghai Key Laboratory of 3) Shanghai Software Industry of Computer Software Technology Computer Software Association Shanghai, China Testing and Evaluating Shanghai, China [email protected] Shanghai, China [email protected] {lzy, jiangx}@ssc.stn.sh.cn Abstract—This paper studies the software scenario testing, emerged in recent years, few of them provide any which is commonly used in black-box testing. In the paper, the consideration for business workflow verification. workflow model based on task-driven, which is very common The research work on business scenario testing and in scenario testing, is analyzed. According to test business validation is less. As for the actual development of the model in scenario testing, the model is designed to application system, the every operation in business is corresponding test case suite. The test case suite that conforms designed and developed well. However, business processes to the scenario test can be obtained through test case testing and requirements verification are very important and generation and test item design. In the last part of the paper, necessary for software quality. The scenario testing satisfies framework of test case suite design is given to illustrate the software requirement through the test design and test effectiveness of the method. execution. Keywords-test case; software test; scenario testing; test suite. Scenario testing is to judge software logic correction according to data behavior in finite test data and is to analyze results with all the possible input test data. -
1. Can You Explain the PDCA Cycle and Where Testing Fits In?
1. Can you explain the PDCA cycle and where testing fits in? Software testing is an important part of the software development process. In normal software development there are four important steps, also referred to, in short, as the PDCA (Plan, Do, Check, Act) cycle. Let's review the four steps in detail. 1. Plan: Define the goal and the plan for achieving that goal. 2. Do/Execute: Depending on the plan strategy decided during the plan stage we do execution accordingly in this phase. 3. Check: Check/Test to ensure that we are moving according to plan and are getting the desired results. 4. Act: During the check cycle, if any issues are there, then we take appropriate action accordingly and revise our plan again. So developers and other stakeholders of the project do the "planning and building," while testers do the check part of the cycle. Therefore, software testing is done in check part of the PDCA cyle. 2. What is the difference between white box, black box, and gray box testing? Black box testing is a testing strategy based solely on requirements and specifications. Black box testing requires no knowledge of internal paths, structures, or implementation of the software being tested. White box testing is a testing strategy based on internal paths, code structures, and implementation of the software being tested. White box testing generally requires detailed programming skills. There is one more type of testing called gray box testing. In this we look into the "box" being tested just long enough to understand how it has been implemented. -
Orthogonal Array Application for Optimized Software Testing
WSEAS TRANSACTIONS on COMPUTERS Ljubomir Lazic and Nikos Mastorakis Orthogonal Array application for optimal combination of software defect detection techniques choices LJUBOMIR LAZICa, NIKOS MASTORAKISb aTechnical Faculty, University of Novi Pazar Vuka Karadžića bb, 36300 Novi Pazar, SERBIA [email protected] http://www.np.ac.yu bMilitary Institutions of University Education, Hellenic Naval Academy Terma Hatzikyriakou, 18539, Piraeu, Greece [email protected] Abstract: - In this paper, we consider a problem that arises in black box testing: generating small test suites (i.e., sets of test cases) where the combinations that have to be covered are specified by input-output parameter relationships of a software system. That is, we only consider combinations of input parameters that affect an output parameter, and we do not assume that the input parameters have the same number of values. To solve this problem, we propose interaction testing, particularly an Orthogonal Array Testing Strategy (OATS) as a systematic, statistical way of testing pair-wise interactions. In software testing process (STP), it provides a natural mechanism for testing systems to be deployed on a variety of hardware and software configurations. The combinatorial approach to software testing uses models to generate a minimal number of test inputs so that selected combinations of input values are covered. The most common coverage criteria are two-way or pairwise coverage of value combinations, though for higher confidence three-way or higher coverage may be required. This paper presents some examples of software-system test requirements and corresponding models for applying the combinatorial approach to those test requirements. The method bridges contributions from mathematics, design of experiments, software test, and algorithms for application to usability testing. -
Evaluating Testing with a Test Level Matrix
FSW QA Testing Levels Definitions Copyright 2000 Freightliner LLC. All rights reserved. FSW QA Testing Levels Definitions 1. Overview This document is used to help determine the amount and quality of testing (or its scope) that is planned for or has been performed on a project. This analysis results in the testing effort being assigned to a particular Testing Level category. Categorizing the quality and thoroughness of the testing that has been performed is useful when analyzing the metrics for the project. For example if only minimum testing was performed, how come so many person-hours were spent testing? Or if the maximum amount of testing was performed, how come there are so many trouble calls coming into the help desk? 2. Testing Level Categories This section provides the basic definitions of the six categories of testing levels. The definitions of the categories are intentionally vague and high level. The Testing Level Matrix in the next section provides a more detailed definition of what testing tasks are typically performed in each category. The specific testing tasks assigned to each category are defined in a separate matrix from the basic category definitions so that the categories can easily be re-defined (for example because of QA policy changes or a particular project's scope - patch release versus new product development). If it is decided that a particular category of testing is required on a project, but a testing task defined for completion in that category is not performed, it will be noted in the Test Plan (if it exists) and in the Testing Summary Report. -
Cost Justifying Usability a Case-Study at Ericsson
Master thesis Computer science Thesis ID:MCS-2011-01 January 2011 Cost justifying usability a case-study at Ericsson Parisa Yousefi Pegah Yousefi School of Computing Blekinge Institute of Technology SE 371 39 Karlskrona Sweden 1 This thesis is submitted to the School of Computing at Blekinge Institute of Technology in partial fulfilment of the requirements for the degree of Master of Science in Computer Sci- ence. The thesis is equivalent to 20 weeks of full time studies. Contact Information: Author(s): Parisa Yousefi Address: Näktergalsvagen 5, Rödeby, 371 30 E-mail: [email protected] Pegah Yousefi Address: Drottninggatan 36, Karlskrona, 371 37 E-mail: [email protected] External advisor(s): Helen Sjelvgren Ericsson Address: Ölandsgatan 6 Karlskrona, 371 23 Phone: +46 10 7158732 University advisor(s): Dr Kari Rönkkö, Ph.D Jeff Winter Licentiate School of Computing Internet : www.bth.se/com Blekinge Institute of Technology Phone : +46 455 38 50 00 SE – 371 39 Karlskrona Fax : +46 455 38 50 57 Sweden 2 Abstract Usability in Human-computer Interaction and user- centered design is indeed a key factor, in success of any software products. However, software industries, in particular the attitude of revenue management, express a need of a economic and academic case, for justification of usability discipline. In this study we investigate the level of usability and usability issues and the gaps concerning usability activities and the potential users, in a part of charging system products in Ericsson. Also we try identifying the cost-benefit factors, usability brings to this project, in order to attempt 'justifying the cost of usability for this particular product'. -
Tips for Success
Tips for Success EHR System Implementation Testing By this stage of your EHR system implementation, you have fully grasped the significant flexibility of your EHR system, and have devoted significant hours to making major set-up and configuration decisions to tailor the system to your specific needs and clinical practices. Most likely, you have spent many long hours and late nights designing new workflow processes, building templates, configuring tables and dictionaries, setting system triggers, designing interfaces, and building screen flow logic to make the system operate effectively within your practice. Now, it is absolutely critical to thoroughly test your “tailoring” to be sure the system and screens work as intended before moving forward with “live” system use. It is far easier to make changes to the system configuration while there are no patients and physicians sitting in the exam rooms growing impatient and frustrated. Testing (and more testing!) will help you be sure all your planning and hard work thus far pays off in a successful EHR “Go-Live”. The following outlines an effective, proven testing process for assuring your EHR system works effectively and as planned before initial “Go-Live”. 1. Assign and Dedicate the Right Testing Resources Effectively testing a system requires significant dedicated time and attention, and staff that have been sufficiently involved with planning the EHR workflows and processes, to fully assess the set up of the features and functions to support its intended use. Testing also requires extreme patience and attention to detail that are not necessarily skills all members of your practice staff possess.