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Contents
module Mutant
class Mutator
class Node
# Mutator for if nodes
class If < self
handle(:if)
children :condition, :if_branch, :else_branch
private
# Emit mutations
#
# @return [undefined]
#
# @api private
#
def dispatch
emit_singletons
mutate_condition
mutate_if_branch
mutate_else_branch
end
# Emit condition mutations
#
# @return [undefined]
#
# @api private
#
def mutate_condition
emit_condition_mutations do |condition|
!n_self?(condition)
end
emit_type(n_not(condition), if_branch, else_branch) unless n_match_current_line?(condition)
emit_type(N_TRUE, if_branch, else_branch)
emit_type(N_FALSE, if_branch, else_branch)
end
# Emit if branch mutations
#
# @return [undefined]
#
# @api private
#
def mutate_if_branch
emit_type(condition, else_branch, nil) if else_branch
return unless if_branch
emit_if_branch_mutations
emit_type(condition, if_branch, nil)
end
# Emit else branch mutations
#
# @return [undefined]
#
# @api private
#
def mutate_else_branch
return unless else_branch
emit_else_branch_mutations
emit_type(condition, nil, else_branch)
end
end # If
end # Node
end # Mutator
end # Mutant
Version data entries
10 entries across 10 versions & 1 rubygems