Testability has many effects on software. In general, increasing testability makes detecting faults easier. However, increasing testability of third party software components is difficult because the source is usually not available. This paper introduces a method to increase component testability. This method helps a user test when the component is reused during integration. First, we analyze a...

Context: Software testability is the degree to which a software system or a unit under test supports its own testing. To predict and improve software testability, a large number of techniques and metrics have been proposed by both practitioners and researchers in the last several decades. Reviewing and getting an overview of the entire state-of-the-art and –practice in this area is often challe...

Design modifications to improve testability usually introduce large area overhead and performance degradation. One way to reduce the negative impact associated with improved testability is to take testability as one of the constraints during high-level design phases so that systems are not only optimized for area and performance, but also from the testability point of view. This thesis deals wi...

Software testability is the the tendency of code to reveal existing faults during random testing. This paper proposes to take software testability predictions into account throughout the development process. These predictions can be made from formal speci cations, design documents, and the code itself. The insight provided by software testability is valuable during design, coding, testing, and ...

Testability is a software quality characteristic that is of major relevance for test costs and software dependability. Still, testability is not an explicit focus in today’s industrial software development projects. Related processes, guidelines, and tools are missing. This paper is about design for testability, the main intersection of software design and testing. We describe 1) elements of ob...

In this paper we investigate factors of the testability of object-oriented software systems. The starting point is given by a study of the literature to obtain both an initial model of testability and existing object-oriented metrics related to testability. Subsequently, these metrics are evaluated by means of five case studies of commercial and open source Java systems for which JUnit test cas...

Runtime testing is emerging as the solution for the integration and assessment of highly dynamic, high availability software systems where traditional development-time integration testing cannot be performed. A prerequisite for runtime testing is the knowledge about to which extent the system can be tested safely while it is operational, i.e., the system’s runtime testability. This paper define...