Regression testing checks that recent project changes do not break previously working
functionality. Although important, regression testing is costly when changes are frequent …

It is widely believed that refactoring improves software quality and developer's productivity
by making it easier to maintain and understand software systems. On the other hand, some …

Software refactoring is to improve readability, maintainability and expansibility of software by
adjusting its internal structure, whereas the external behaviors of software are not changed …

Refactoring edits are very common during agile development. Due to their inherent
complexity, refactorings are know to be error prone. In this sense, refactoring edits require …

Regression testing---rerunning tests on each code version to detect newly-broken
functionality---is important and widely practiced. But, regression testing is costly due to the …

Refactoring as a process is aimed at improving the quality of a software system while
preserving its external behavior. In practice, refactoring comes in the form of many specific …

Refactoring validation by testing is critical for quality in agile development. However, this
activity may be misleading when a test suite is insufficiently robust for revealing faults …

Testing refactoring engines is a challenging problem that has gained recent attention in
research. Several techniques were proposed to automate generation of programs used as …

Modern software development processes recommend that changes be integrated into the
main development line of a project multiple times a day. Before a new revision may be …

Refactoring edits are error‐prone, requiring cost‐effective testing. Regression test suites are
often used as a safety net for decreasing the chances of behavioural changes. Because of …