...comparison to a design, and can discover properties that can be later fed into a conformance analysis. Rather than pursuing a single, narrow research approach, we have tried to explore the problem from many angles. We consider how a codebase may be analyzed in the presence of some design models; how it might be analyzed if there is no explicit design documentation; and how minimal design properties expressed as code annotations might be exploited. We have developed static analyses that require no execution of the code but can simulate the effect of all possible executions, and dynamic analyses that require a test suite but can produce more accurate results. Some of our static analyses are conservative, and can guarantee properties of all executions; others are sound in their error reports, so that no false alarms are given. Some of our tools exploit test cases; others generate test cases automatically. Despite the breadth of our approaches, all our work satisfies some fundamental criteria. It is principled and at the same time pragmatic. Being principled means that we are not content to develop ad hoc approaches that may work well in the short term, but which rely on inconsequential properties of particular...
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...Writing effective test cases is a skill and that can be achieved by some experience and in-depth study of the application on which test cases are being written. Here I will share some tips on how to write test cases, test case procedures and some basic test case definitions. What is a test case? “A test case has components that describes an input, action or event and an expected response, to determine if a feature of an application is working correctly.” Definition by Glossary There are levels in which each test case will fall in order to avoid duplication efforts. Level 1: In this level you will write the basic test cases from the available specification and user documentation. Level 2: This is the practical stage in which writing test cases depend on actual functional and system flow of the application. Level 3: This is the stage in which you will group some test cases and write a test procedure. Test procedure is nothing but a group of small test cases maximum of 10. Level 4: Automation of the project. This will minimize human interaction with system and thus QA can focus on current updated functionalities to test rather than remaining busy with regression testing. So you can observe a systematic growth from no testable item to a Automation suit. Why we write test cases? The basic objective of writing test cases is to validate the testing coverage of the application. If you are working in any CMMi company then you will strictly follow test cases standards. So...
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...used to support verification and data collection scripts. The scripts control various test equipments in addition to the device under test (DUT) to characterize a specific performance with a specific configuration or to evaluate the correctness of the behaviour of the DUT. The specific focus on this paper is on documenting our experiences in building an automation framework using Python: on the purposes, goals and the benefits, rather than on a tutorial of how to build such a framework. 1. Introduction I work in a growing IC design company that focuses on wireless solutions. The project described in this paper was developed when we were developing the fifth generation of our product. We were facing huge challenges for this project: our product's feature sets have grown so much that manual verification of the features require more than 2 months (and this would involve most of the engineering team doing manual tests). Recent economic situation prohibited any further investment, both for manpowers and tools. However, the project needs to be completed on time, or we would risked losing a significant potential business. We basically faces a risk of taping out our Application Specific Integrated Circuit (ASIC) with potential major defects due to untested features1. Understanding this risk, we did an evaluation on how much can we gain by automating a number of crucial test cases. It was obvious that the benefits were significant: we would have 16 more hours each...
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