71 lines
1.3 KiB
Ruby
71 lines
1.3 KiB
Ruby
module Mutant
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class Mutator
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class Util
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# Mutators that mutates an array of inputs
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class Array < self
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handle(::Array)
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# Element presence mutator
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class Presence < Util
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private
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# Emit element presence mutations
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#
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# @return [undefined]
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#
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# @api private
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#
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def dispatch
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input.each_index do |index|
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dup = dup_input
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dup.delete_at(index)
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emit(dup)
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end
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end
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end # Presence
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# Array element mutator
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class Element < Util
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private
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# Emit mutations
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#
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# @return [undefined]
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#
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# @api private
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#
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def dispatch
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input.each_with_index do |element, index|
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Mutator.each(element).each do |mutation|
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dup = dup_input
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dup[index] = mutation
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emit(dup)
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end
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end
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end
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end # Element
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private
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# Emit mutations
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#
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# @return [undefined]
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#
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# @api private
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#
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def dispatch
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run(Element)
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run(Presence)
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emit(EMPTY_ARRAY)
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end
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end # Array
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end # Node
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end # Mutant
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end # Mutator
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