caf6c368d0
A mutation test that passes/fails on code today should also pass/fail on the same code tomorrow. * Closes #173 * Closes #127 * Closes #27
62 lines
1.3 KiB
Ruby
62 lines
1.3 KiB
Ruby
# encoding: utf-8
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module Mutant
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class Mutator
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class Node
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class Literal < self
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# Mutator for float literals
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class Float < self
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handle(:float)
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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_values(values)
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emit_special_cases
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end
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SPECIAL = [
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NodeHelpers::NAN,
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NodeHelpers::NEGATIVE_INFINITY,
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NodeHelpers::INFINITY
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].freeze
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# Emit special cases
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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_special_cases
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SPECIAL.each do |value|
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emit(value)
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end
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end
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# Return values to test against
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#
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# @return [Array]
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#
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# @api private
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#
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def values
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original = children.first
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# Work around a bug in RBX/MRI or JRUBY:
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[0.0, 1.0, -original].delete_if do |value|
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value.eql?(original)
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end
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end
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end # Float
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end # Literal
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end # Node
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end # Mutator
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end # Mutant
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