free_mutant/lib/mutant/mutator/node/literal/fixnum.rb
Dan Kubb 7293386c26 Add magic encoding header to all ruby files
* rubocop still warns about this on ruby 1.9.3, so it was fixed so
  it produces less output on travis.
2013-07-28 16:03:06 -07:00

50 lines
938 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_nil
emit_values(values)
emit_new { new_self(Random.fixnum) }
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