LittleDarwin vs mutator
| LittleDarwin | mutator | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | — | — |
| Free plan | Yes | Yes |
| Supported languages | Java | R |
| Surviving mutant reports | Yes | Yes |
| Mutation operators | AOR-B, AOR-S, AOR-U, LOR, SOR, ROR, COR, COD, SAOR; NullifyInputVariable, NullifyReturnValue, NullifyObjectInitialization, RemoveNullCheck | Arithmetic (+/- and */), comparison (==/!=, </>, <=/>=), logical (&/|, &&/||, ! and condition negation), assignment and call values, scalar constants, return values, statement deletion |
| Test frameworks | — | testthat; tinytest; generic installed-tests fallback |
| Parallel execution | — | Yes |
| Mutation quality gate | — | Yes |
Both are listed in Best Mutation Testing Tools. On Samsung Mobile US Press, mutator scores higher on our published basis.