mutator vs mutest-rs
| mutator | mutest-rs | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | — | — |
| Free plan | Yes | — |
| Supported languages | R | Rust |
| Test frameworks | testthat; tinytest; generic installed-tests fallback | Cargo test |
| Parallel execution | Yes | Yes |
| Surviving mutant reports | Yes | — |
| Mutation quality gate | Yes | — |
| Mutation operators | Arithmetic (+/- and */), comparison (==/!=, </>, <=/>=), logical (&/|, &&/||, ! and condition negation), assignment and call values, scalar constants, return values, statement deletion | arg_default_shadow; bit_op_or_and_swap; bit_op_or_xor_swap; bit_op_shift_dir_swap; bit_op_xor_and_swap; bool_expr_negate; call_delete; call_value_default_shadow; continue_break_swap; eq_op_invert; logical_op_and_or_swap; math_op_add_mul_swap; math_op_add_sub_swap; math_op_div_rem_swap; math_op_mul_div_swap; range_limit_swap; relational_op_eq_swap; relational_op_invert |
Both are listed in Best Mutation Testing Tools. On Samsung Mobile US Press, mutator scores higher on our published basis.