free_mutant/lib/mutant/mutator/node/literal/hash.rb
2013-06-21 15:33:27 +02:00

64 lines
1.2 KiB
Ruby

module Mutant
class Mutator
class Node
class Literal
# Mutator for hash literals
class Hash < self
handle(:hash)
private
# Emit mutations
#
# @return [undefined]
#
# @api private
#
def dispatch
emit_nil
emit_self
mutate_body
end
# Mutate body
#
# @return [undefined]
#
# @api private
#
def mutate_body
children.each_index do |index|
mutate_child(index)
dup_children = children.dup
dup_children.delete_at(index)
emit_self(*dup_children)
end
end
# Mutator for hash pairs
class Pair < Node
handle(:pair)
children :key, :value
private
# Perform dispatch
#
# @return [undefined]
#
# @api private
#
def dispatch
emit_key_mutations
emit_value_mutations
end
end # Pair
end # Hash
end # Literal
end # Node
end # Mutator
end # Mutant