Sha256: 9ea6bdca469a25f14fec6ee922e3ab59729f79ff42f63b0cf2b54a825067bba7

Contents?: true

Size: 655 Bytes

Versions: 60

Compression:

Stored size: 655 Bytes

Contents

# frozen_string_literal: true

module RuboCop
  module Cop
    module Lint
      # This cop checks for comparison of something with itself.
      #
      # @example
      #
      #   # bad
      #
      #   x.top >= x.top
      class UselessComparison < Cop
        MSG = 'Comparison of something with itself detected.'
        OPS = %w[== === != < > <= >= <=>].freeze

        def_node_matcher :useless_comparison?,
                         "(send $_match {:#{OPS.join(' :')}} $_match)"

        def on_send(node)
          return unless useless_comparison?(node)

          add_offense(node, location: :selector)
        end
      end
    end
  end
end

Version data entries

60 entries across 41 versions & 5 rubygems

Version Path
rubocop-0.79.0 lib/rubocop/cop/lint/useless_comparison.rb
rubocop-0.78.0 lib/rubocop/cop/lint/useless_comparison.rb
zuora_connect_ui-0.10.0 vendor/ruby/2.6.0/gems/rubocop-0.76.0/lib/rubocop/cop/lint/useless_comparison.rb
zuora_connect_ui-0.10.0 vendor/ruby/2.6.0/gems/rubocop-0.77.0/lib/rubocop/cop/lint/useless_comparison.rb
zuora_connect_ui-0.10.0 vendor/ruby/2.6.0/gems/rubocop-0.72.0/lib/rubocop/cop/lint/useless_comparison.rb
zuora_connect_ui-0.10.0 vendor/ruby/2.6.0/gems/rubocop-0.74.0/lib/rubocop/cop/lint/useless_comparison.rb
zuora_connect_ui-0.10.0 vendor/ruby/2.6.0/gems/rubocop-0.75.0/lib/rubocop/cop/lint/useless_comparison.rb
zuora_connect_ui-0.10.0 vendor/ruby/2.6.0/gems/rubocop-0.75.1/lib/rubocop/cop/lint/useless_comparison.rb
rubocop-0.77.0 lib/rubocop/cop/lint/useless_comparison.rb
zuora_connect_ui-0.9.2 vendor/ruby/2.6.0/gems/rubocop-0.74.0/lib/rubocop/cop/lint/useless_comparison.rb
zuora_connect_ui-0.9.2 vendor/ruby/2.6.0/gems/rubocop-0.72.0/lib/rubocop/cop/lint/useless_comparison.rb
zuora_connect_ui-0.9.2 vendor/ruby/2.6.0/gems/rubocop-0.76.0/lib/rubocop/cop/lint/useless_comparison.rb
zuora_connect_ui-0.9.2 vendor/ruby/2.6.0/gems/rubocop-0.75.1/lib/rubocop/cop/lint/useless_comparison.rb
zuora_connect_ui-0.9.2 vendor/ruby/2.6.0/gems/rubocop-0.75.0/lib/rubocop/cop/lint/useless_comparison.rb
rubocop-0.76.0 lib/rubocop/cop/lint/useless_comparison.rb
zuora_connect_ui-0.9.1 vendor/ruby/2.6.0/gems/rubocop-0.74.0/lib/rubocop/cop/lint/useless_comparison.rb
zuora_connect_ui-0.9.1 vendor/ruby/2.6.0/gems/rubocop-0.75.1/lib/rubocop/cop/lint/useless_comparison.rb
zuora_connect_ui-0.9.1 vendor/ruby/2.6.0/gems/rubocop-0.75.0/lib/rubocop/cop/lint/useless_comparison.rb
zuora_connect_ui-0.9.1 vendor/ruby/2.6.0/gems/rubocop-0.72.0/lib/rubocop/cop/lint/useless_comparison.rb
rubocop-0.75.1 lib/rubocop/cop/lint/useless_comparison.rb