Mutation Operators

Operators

Operator	Description
`cxx_add_assign_to_sub_assign`	Replaces += with -=
`cxx_add_to_sub`	Replaces + with -
`cxx_and_assign_to_or_assign`	Replaces &= with \|=
`cxx_and_to_or`	Replaces & with \|
`cxx_assign_const`	Replaces ‘a = b’ with ‘a = 42’
`cxx_bitwise_not_to_noop`	Replaces ~x with x
`cxx_div_assign_to_mul_assign`	Replaces /= with *=
`cxx_div_to_mul`	Replaces / with *
`cxx_eq_to_ne`	Replaces == with !=
`cxx_ge_to_gt`	Replaces >= with >
`cxx_ge_to_lt`	Replaces >= with <
`cxx_gt_to_ge`	Replaces > with >=
`cxx_gt_to_le`	Replaces > with <=
`cxx_init_const`	Replaces ‘T a = b’ with ‘T a = 42’
`cxx_le_to_gt`	Replaces <= with >
`cxx_le_to_lt`	Replaces <= with <
`cxx_lshift_assign_to_rshift_assign`	Replaces <<= with >>=
`cxx_lshift_to_rshift`	Replaces << with >>
`cxx_lt_to_ge`	Replaces < with >=
`cxx_lt_to_le`	Replaces < with <=
`cxx_minus_to_noop`	Replaces -x with x
`cxx_mul_assign_to_div_assign`	Replaces *= with /=
`cxx_mul_to_div`	Replaces * with /
`cxx_ne_to_eq`	Replaces != with ==
`cxx_or_assign_to_and_assign`	Replaces \|= with &=
`cxx_or_to_and`	Replaces \| with &
`cxx_post_dec_to_post_inc`	Replaces x— with x++
`cxx_post_inc_to_post_dec`	Replaces x++ with x—
`cxx_pre_dec_to_pre_inc`	Replaces —x with ++x
`cxx_pre_inc_to_pre_dec`	Replaces ++x with —x
`cxx_rem_assign_to_div_assign`	Replaces %= with /=
`cxx_rem_to_div`	Replaces % with /
`cxx_remove_negation`	Replaces !a with a
`cxx_remove_void_call`	Removes calls to a function returning void
`cxx_replace_scalar_call`	Replaces call to a function with 42
`cxx_rshift_assign_to_lshift_assign`	Replaces >>= with <<=
`cxx_rshift_to_lshift`	Replaces << with >>
`cxx_sub_assign_to_add_assign`	Replaces -= with +=
`cxx_sub_to_add`	Replaces - with +
`cxx_xor_assign_to_or_assign`	Replaces ^= with \|=
`cxx_xor_to_or`	Replaces ^ with \|
`negate_mutator`	Negates conditionals !x to x and x to !x

Groups

Group	Members
`cxx_all`	`cxx_assignment`, `cxx_increment`, `cxx_decrement`, `cxx_arithmetic`, `cxx_comparison`, `cxx_boundary`, `cxx_bitwise`, `cxx_calls`
`cxx_arithmetic`	`cxx_minus_to_noop`, `cxx_add_to_sub`, `cxx_sub_to_add`, `cxx_mul_to_div`, `cxx_div_to_mul`, `cxx_rem_to_div`
`cxx_arithmetic_assignment`	`cxx_add_assign_to_sub_assign`, `cxx_sub_assign_to_add_assign`, `cxx_mul_assign_to_div_assign`, `cxx_div_assign_to_mul_assign`, `cxx_rem_assign_to_div_assign`
`cxx_assignment`	`cxx_bitwise_assignment`, `cxx_arithmetic_assignment`, `cxx_const_assignment`
`cxx_bitwise`	`cxx_bitwise_not_to_noop`, `cxx_and_to_or`, `cxx_or_to_and`, `cxx_xor_to_or`, `cxx_lshift_to_rshift`, `cxx_rshift_to_lshift`
`cxx_bitwise_assignment`	`cxx_and_assign_to_or_assign`, `cxx_or_assign_to_and_assign`, `cxx_xor_assign_to_or_assign`, `cxx_lshift_assign_to_rshift_assign`, `cxx_rshift_assign_to_lshift_assign`
`cxx_boundary`	`cxx_le_to_lt`, `cxx_lt_to_le`, `cxx_ge_to_gt`, `cxx_gt_to_ge`
`cxx_calls`	`cxx_remove_void_call`, `cxx_replace_scalar_call`
`cxx_comparison`	`cxx_eq_to_ne`, `cxx_ne_to_eq`, `cxx_le_to_gt`, `cxx_lt_to_ge`, `cxx_ge_to_lt`, `cxx_gt_to_le`
`cxx_const_assignment`	`cxx_assign_const`, `cxx_init_const`
`cxx_decrement`	`cxx_pre_dec_to_pre_inc`, `cxx_post_dec_to_post_inc`
`cxx_default`	`cxx_increment`, `cxx_arithmetic`, `cxx_comparison`, `cxx_boundary`
`cxx_increment`	`cxx_pre_inc_to_pre_dec`, `cxx_post_inc_to_post_dec`
`cxx_logical`	`cxx_remove_negation`
`experimental`	`negate_mutator`, `cxx_logical`