free_mutant/lib/mutant/mutator/node/nthref.rb
Markus Schirp 0ffa49620e Add nthref mutator
Closes #20
2013-08-03 01:36:39 +02:00

27 lines
447 B
Ruby

module Mutant
class Mutator
class Node
# Mutator for nth-ref nodes
class NthRef < self
handle :nth_ref
children :number
private
# Perform dispatch
#
# @return [undefined]
#
# @api private
#
def dispatch
emit_number(number - 1)
emit_number(number + 1)
end
end # NthRef
end # Node
end # Mutator
end # Mutant