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require 'spec_helper'
RSpec.describe('Regexp::Expression::Shared#human_name') do
include_examples 'parse', //, [] => [human_name: 'root']
include_examples 'parse', /a/, [0] => [human_name: 'literal']
include_examples 'parse', /./, [0] => [human_name: 'match-all']
include_examples 'parse', /[abc]/, [0] => [human_name: 'character set']
include_examples 'parse', /[a-c]/, [0, 0] => [human_name: 'character range']
include_examples 'parse', /\d/, [0] => [human_name: 'digit type']
include_examples 'parse', /\n/, [0] => [human_name: 'newline escape']
include_examples 'parse', /\u{61 62 63}/, [0] => [human_name: 'codepoint list escape']
include_examples 'parse', /\p{ascii}/, [0] => [human_name: 'ascii property']
include_examples 'parse', /[[:ascii:]]/, [0, 0] => [human_name: 'ascii posixclass']
include_examples 'parse', /a{5}/, [0, :q] => [human_name: 'interval quantifier']
include_examples 'parse', /^/, [0] => [human_name: 'beginning of line']
include_examples 'parse', /(?=abc)/, [0] => [human_name: 'lookahead']
include_examples 'parse', /(a)(b)/, [0] => [human_name: 'capture group 1']
include_examples 'parse', /(a)(b)/, [1] => [human_name: 'capture group 2']
include_examples 'parse', /(?<x>abc)/, [0] => [human_name: 'named capture group']
include_examples 'parse', / /x, [0] => [human_name: 'free space']
include_examples 'parse', /#comment
/x, [0] => [human_name: 'comment']
include_examples 'parse', /(?#comment)/x, [0] => [human_name: 'comment group']
include_examples 'parse', /(abc)\1/, [1] => [human_name: 'backreference']
include_examples 'parse', /(?<x>)\k<x>/, [1] => [human_name: 'backreference by name']
include_examples 'parse', /(abc)\g<-1>/, [1] => [human_name: 'relative subexpression call']
include_examples 'parse', /a|bc/, [0] => [human_name: 'alternation']
include_examples 'parse', /a|bc/, [0, 0] => [human_name: 'alternative']
end
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