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Testing and debugging account for at least 30% of the project effort. Scientific advancements in individual activities or their integration may bring significant impacts to the practice of software development. Fault localization is the foremost debugging sub-activity. Any effective integration between testing and debugging should address how well testing and fault localization can be worked together...
For a program with many statements and complex structures, the testing have a lot of trouble, such as program analysis difficulties and need complex test cases, etc. This paper propose a method of dividing the program under test (PUT) into a several program segments with small cyclomatic complexity. This paper analyzes the relationship between the input variables and the fragments, gives the approach...
Test coverage is a promising measure of test effectiveness and development organizations are interested in cost-effective levels of coverage that provide sufficient fault removal with contained testing effort. We have conducted a multiple-case study on two dissimilar industrial software projects to investigate if test coverage reflects test effectiveness and to find the relationship between test effort...
Increased size and complexity of software requires better methods for different activities in the software development lifecycle. Quality assurance of software is primarily done by means of testing, an activity that faces constraints of both time and resources. Hence, there is need to test effectively within the constraints in order to maximize throughput i.e. rate of fault detection, coverage, etc...
In this paper first investigate the relationships between existing object-oriented metrics (coupling, cohesion) and procedure-oriented metrics (Line of code, Cyclomatic complexity and knot metric) measure the probability of error detection in system classes during testing and is to propose an investigation and analysis strategy to make these kinds of studies more reusable and comparable, a problem...
This paper gives a very short summary of an survey of software testing practices and techniques. It summerizes the software development process on the W-model, one of the available development processes which include testing phases as an essential part of the process. Many other software processes are known, however, testing phases are in many cases treated similar. For as much software testing is...
Many mature development processes use structural coverage metrics to monitor the quality of testing. Studies suggest that commonly used control flow testing criteria poorly address state-based behavior of object oriented software. This paper presents DaTeC, a tool that provides useful coverage information of Java object states by implementing a novel contextual data flow testing approach.
Assessing the quality of tests for BPEL processes is a difficult task in projects following SOA principles. Since insufficient testing can lead to unforeseen defects that can be extremely costly in complex and mission critical environments, this problem needs to be addressed. By using formally defined test metrics that can be evaluated automatically by using an extension to the BPELUnit testing framework,...
Risk-based testing is an approach that consists of a set of activities regarding risk factors identification related to software requirements. Once identified, the risks are prioritized according to its likelihood and impact, and the test cases are projected based on the strategies for treatment of the identified risk factors. Then, test efforts are continuously adjusted according the risk monitoring...
Is 25 years enough time to build up a coherent body of knowledge that can help point to useful principles? As a testbed for helping us answer this question, software testing techniques are a good place to start. Few software practices are as important as testing, and testing techniques are amenable to measurement and reasoning about their effectiveness. Because they're aimed at removing faults, measuring...
Software quality becomes an increasingly important factor in software marketing. It is well known that software testing is an important activity to ensure software quality. Despite the important role that software testing plays, little is known about the prediction of test suites size. Estimation of testing size is a crucial activity among the tasks of testing management. Work plan and subsequent...
Software testing is becoming more and more important as it is a widely used activity to ensure software quality. Testing is now an essential phase in software development life cycle. Test execution becomes an activity in the critical path of project development. In this case, a good test execution effort estimation approach can benefit both tester managers and software projects.This paper proposes...
In Japan, where the multiple subcontracting is very common in software development, it is difficult to measure the quality of software developed by subcontractors. Even if we request them for process improvement based on CMMI including measurement and analysis, it will not work immediately. Using "the unsuccessful ratio in the first time testing pass" as measure to assess software quality,...
We propose a benchmark for object-oriented unit testing, called the behavioural response. This is a normative set of state- and equivalence partition-based test cases. Metrics are then defined to measure the adequacy and effectiveness of a test set (with respect to the benchmark) and the efficiency of the testing method (with respect to the time invested). The metrics are applied to expert manual...
Support for test-driven development [TDD] is growing in many development contexts beyond its common association with extreme programming. By focusing on how TDD influences design characteristics, we hope to raise awareness of TDD as a design approach and assist others in decisions on whether and how to adopt TDD. Our results indicate that test-first programmers are more likely to write software in...
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