95 lines
2.1 KiB
Ruby
95 lines
2.1 KiB
Ruby
module Mutant
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class Mutator
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class Node
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class Literal
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# Abstract literal range mutator
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class Range < self
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include AbstractType
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private
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# Emit mutants
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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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emit_nil
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emit(inverse)
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emit_range
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end
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# Return inverse node
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#
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# @return [Rubinius::AST::Node]
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#
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# @api private
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#
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def inverse
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node = self.node
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new(inverse_class, node.start, node.finish)
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end
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# Emit range specific mutants
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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 emit_range
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emit_finish_mutations
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emit_start_mutations
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end
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# Emit range start 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 emit_finish_mutations
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finish = node.finish
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#emit_self(negative_infinity, finish)
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emit_self(nan, finish)
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end
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# Emit start 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 emit_start_mutations
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start = node.start
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emit_self(start, infinity)
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emit_self(start, nan)
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end
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# Return inverse AST node class
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#
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# @return [Class:Rubinius::AST::Node]
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#
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# @api private
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#
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def inverse_class
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self.class::INVERSE_CLASS
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end
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# Mutator for range exclude literals
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class Exclude < self
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INVERSE_CLASS = Rubinius::AST::Range
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handle(Rubinius::AST::RangeExclude)
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end
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# Mutator for range include literals
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class Include < self
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INVERSE_CLASS = Rubinius::AST::RangeExclude
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handle(Rubinius::AST::Range)
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end
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end
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end
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end
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end
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end
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