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Context: Research has shown the majority of real faults are complex and cannot be simulated with traditional First Order Mutants (FOMs). Higher Order Mutants (HOMs), which are created by making multiple syntactic changes to the source code (i.e, combining multiple FOMs), can potentially be used to simulate realistic faults.Objective: Our goal is to find subtle HOMs, which we define to be HOMs that...
The availability of automated tool support is an important consideration for software developers before they can incorporate higher order mutation testing into their software development processes. This paper presents HOMAJ, a higher order mutation testing tool for AspectJ and Java. HOMAJ automates the process of generating and evaluating first order mutants (FOMs) and higher order mutants (HOMs)...
One goal of higher order mutation testing is to produce higher order mutants (HOMs) that represent subtle faults. We define subtle HOMs as those that are not killed by an existing test set that kills all the first order mutants of a given program. The fault detection effectiveness of the test set can be improved by adding test cases that kill subtle HOMs. However, finding subtle HOMs can be costly...
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