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Versions: 12
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Contents
module Mutant
class Mutator
class Node
# Mutation emitter to handle binary connectives
class Binary < self
INVERSE = {
and: :or,
or: :and
}.freeze
handle(*INVERSE.keys)
children :left, :right
private
# Emit mutations
#
# @return [undefined]
#
# @api private
#
def dispatch
emit_singletons
emit(left)
emit(right)
mutate_operator
mutate_operands
end
# Emit operator mutations
#
# @return [undefined]
#
# @api private
#
def mutate_operator
emit(s(INVERSE.fetch(node.type), left, right))
end
# Emit condition mutations
#
# @return [undefined]
#
# @api private
#
def mutate_operands
emit(s(node.type, n_not(left), right))
emit(n_not(node))
end
end # Binary
end # Node
end # Mutator
end # Mutant
Version data entries
12 entries across 12 versions & 1 rubygems