A Framework and Tool Supports for Generating Test Inputs of AspectJ Programs Tao Xie Jianjun Zhao Department of Computer Science Department of Computer Science & Engineering North Carolina State University Shanghai Jiao Tong University Raleigh, NC 27695 Shanghai 200240, China
[email protected] [email protected] ABSTRACT 1. INTRODUCTION Aspect-oriented software development is gaining popularity with Aspect-oriented software development (AOSD) is a new tech- the wider adoption of languages such as AspectJ. To reduce the nique that improves separation of concerns in software develop- manual effort of testing aspects in AspectJ programs, we have de- ment [9, 18, 22, 30]. AOSD makes it possible to modularize cross- veloped a framework, called Aspectra, that automates generation of cutting concerns of a software system, thus making it easier to test inputs for testing aspectual behavior, i.e., the behavior imple- maintain and evolve. Research in AOSD has focused mostly on mented in pieces of advice or intertype methods defined in aspects. the activities of software system design, problem analysis, and lan- To test aspects, developers construct base classes into which the guage implementation. Although it is well known that testing is a aspects are woven to form woven classes. Our approach leverages labor-intensive process that can account for half the total cost of existing test-generation tools to generate test inputs for the woven software development [8], research on testing of AOSD, especially classes; these test inputs indirectly exercise the aspects. To enable automated testing, has received little attention. aspects to be exercised during test generation, Aspectra automati- Although several approaches have been proposed recently for cally synthesizes appropriate wrapper classes for woven classes.