free_mutant/lib/mutant/mutator/node/literal/fixnum.rb
Markus Schirp 017ccc1044 Add expression => self mutation
Also reorganizes parts of meta to align filenames to node name better.

Closes #191
2014-06-05 17:48:39 +00:00

49 lines
896 B
Ruby

# encoding: utf-8
module Mutant
class Mutator
class Node
class Literal < self
# Mutator for fixnum literals
class Fixnum < self
handle(:int)
private
# Emit mutants
#
# @return [undefined]
#
# @api private
#
def dispatch
emit_singletons
emit_values(values)
end
# Return values to mutate against
#
# @return [Array]
#
# @api private
#
def values
[0, 1, -value, value + 1, value - 1]
end
# Return value
#
# @return [Object]
#
# @api private
#
def value
children.first
end
end # Fixnuma
end # Literal
end # Node
end # Mutator
end # Mutant