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Size: 1.18 KB

Versions: 20

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Stored size: 1.18 KB

Contents

module Mutant
  class Mutator
    class Node

      # Mutator for case nodes
      class Case < self

        handle(:case)

        children :condition

      private

        # Emit mutations
        #
        # @return [undefined]
        #
        # @api private
        #
        def dispatch
          emit_condition_mutations
          emit_when_mutations
          emit_else_mutations
        end

        # Emit when mutations
        #
        # @return [undefined]
        #
        # @api private
        #
        def emit_when_mutations
          indices = children.each_index.drop(1).take(children.length-2)
          one = indices.one?
          indices.each do |index|
            mutate_child(index)
            delete_child(index) unless one
          end
        end

        # Emit else mutations
        #
        # @return [undefined]
        #
        # @api private
        #
        def emit_else_mutations
          else_branch = children.last
          else_index = children.length - 1
          if else_branch
            mutate_child(else_index)
            emit_child_update(else_index, nil)
          end
        end

      end # Case
    end # Node
  end # Mutator
end # Mutant

Version data entries

20 entries across 20 versions & 1 rubygems

Version Path
mutant-0.3.0.beta21 lib/mutant/mutator/node/case.rb
mutant-0.3.0.beta20 lib/mutant/mutator/node/case.rb
mutant-0.3.0.beta19 lib/mutant/mutator/node/case.rb
mutant-0.3.0.beta18 lib/mutant/mutator/node/case.rb
mutant-0.3.0.beta17 lib/mutant/mutator/node/case.rb
mutant-0.3.0.beta16 lib/mutant/mutator/node/case.rb
mutant-0.3.0.beta15 lib/mutant/mutator/node/case.rb
mutant-0.3.0.beta14 lib/mutant/mutator/node/case.rb
mutant-0.3.0.beta13 lib/mutant/mutator/node/case.rb
mutant-0.3.0.beta12 lib/mutant/mutator/node/case.rb
mutant-0.3.0.beta11 lib/mutant/mutator/node/case.rb
mutant-0.3.0.beta10 lib/mutant/mutator/node/case.rb
mutant-0.3.0.beta9 lib/mutant/mutator/node/case.rb
mutant-0.3.0.beta8 lib/mutant/mutator/node/case.rb
mutant-0.3.0.beta7 lib/mutant/mutator/node/case.rb
mutant-0.3.0.beta6 lib/mutant/mutator/node/case.rb
mutant-0.3.0.beta5 lib/mutant/mutator/node/case.rb
mutant-0.3.0.beta4 lib/mutant/mutator/node/case.rb
mutant-0.3.0.beta3 lib/mutant/mutator/node/case.rb
mutant-0.3.0.beta2 lib/mutant/mutator/node/case.rb