Contents

# encoding: utf-8

require 'spec_helper'

describe Rubocop::Cop::Lint::InvalidCharacterLiteral do
  subject(:cop) { described_class.new }

  # Is there a way to emit this warning without syntax error?
  #
  #   $ ruby -w
  #   p(? )
  #   -:1: warning: invalid character syntax; use ?\s
  #   -:1: syntax error, unexpected '?', expecting ')'
  #   p(? )
  #      ^
  #
  # https://github.com/ruby/ruby/blob/v2_1_0/parse.y#L7276
  # https://github.com/whitequark/parser/blob/v2.1.2/lib/parser/lexer.rl#L1660
  context 'with a non-escaped whitespace character literal ' do
    let(:source) { 'p(? )' }

    it 'registers an offence' do
      pending 'Is there a way to emit this warning without syntax errors?'

      inspect_source(cop, source)

      expect(cop.offences.size).to eq(1)
      expect(cop.offences.first.message)
        .to eq('Invalid character literal; use ?\s')
      expect(cop.highlights).to eq([' '])
    end
  end
end

Version data entries

4 entries across 4 versions & 2 rubygems

Version	Path
ridecharge-rubocop-0.0.1	spec/rubocop/cop/lint/invalid_character_literal_spec.rb
rubocop-0.18.1	spec/rubocop/cop/lint/invalid_character_literal_spec.rb
rubocop-0.18.0	spec/rubocop/cop/lint/invalid_character_literal_spec.rb
rubocop-0.17.0	spec/rubocop/cop/lint/invalid_character_literal_spec.rb