require 'spec_helper' RSpec.describe('Set scanning') do include_examples 'scan', /[a]/, 0 => [:set, :open, '[', 0, 1] include_examples 'scan', /[b]/, 2 => [:set, :close, ']', 2, 3] include_examples 'scan', /[^n]/, 1 => [:set, :negate, '^', 1, 2] include_examples 'scan', /[c]/, 1 => [:literal, :literal, 'c', 1, 2] include_examples 'scan', /[\b]/, 1 => [:escape, :backspace, '\b', 1, 3] include_examples 'scan', /[A\bX]/, 2 => [:escape, :backspace, '\b', 2, 4] include_examples 'scan', /[.]/, 1 => [:literal, :literal, '.', 1, 2] include_examples 'scan', /[?]/, 1 => [:literal, :literal, '?', 1, 2] include_examples 'scan', /[*]/, 1 => [:literal, :literal, '*', 1, 2] include_examples 'scan', /[+]/, 1 => [:literal, :literal, '+', 1, 2] include_examples 'scan', /[{]/, 1 => [:literal, :literal, '{', 1, 2] include_examples 'scan', /[}]/, 1 => [:literal, :literal, '}', 1, 2] include_examples 'scan', /[<]/, 1 => [:literal, :literal, '<', 1, 2] include_examples 'scan', /[>]/, 1 => [:literal, :literal, '>', 1, 2] include_examples 'scan', /[äöü]/, 2 => [:literal, :literal, 'ö', 3, 5] include_examples 'scan', /[\x20]/, 1 => [:escape, :hex, '\x20', 1, 5] include_examples 'scan', '[\.]', 1 => [:escape, :dot, '\.', 1, 3] include_examples 'scan', '[\!]', 1 => [:escape, :literal, '\!', 1, 3] include_examples 'scan', '[\#]', 1 => [:escape, :literal, '\#', 1, 3] include_examples 'scan', '[\\]]', 1 => [:escape, :set_close, '\]', 1, 3] include_examples 'scan', '[\\\\]', 1 => [:escape, :backslash, '\\\\', 1, 3] include_examples 'scan', '[\A]', 1 => [:escape, :literal, '\A', 1, 3] include_examples 'scan', '[\z]', 1 => [:escape, :literal, '\z', 1, 3] include_examples 'scan', '[\g]', 1 => [:escape, :literal, '\g', 1, 3] include_examples 'scan', '[\K]', 1 => [:escape, :literal, '\K', 1, 3] include_examples 'scan', '[\R]', 1 => [:escape, :literal, '\R', 1, 3] include_examples 'scan', '[\X]', 1 => [:escape, :literal, '\X', 1, 3] include_examples 'scan', '[\c2]', 1 => [:escape, :literal, '\c', 1, 3] include_examples 'scan', '[\B]', 1 => [:escape, :literal, '\B', 1, 3] include_examples 'scan', '[a\-c]', 2 => [:escape, :literal, '\-', 2, 4] include_examples 'scan', /[\d]/, 1 => [:type, :digit, '\d', 1, 3] include_examples 'scan', /[\da-z]/, 1 => [:type, :digit, '\d', 1, 3] include_examples 'scan', /[\D]/, 1 => [:type, :nondigit, '\D', 1, 3] include_examples 'scan', /[\h]/, 1 => [:type, :hex, '\h', 1, 3] include_examples 'scan', /[\H]/, 1 => [:type, :nonhex, '\H', 1, 3] include_examples 'scan', /[\s]/, 1 => [:type, :space, '\s', 1, 3] include_examples 'scan', /[\S]/, 1 => [:type, :nonspace, '\S', 1, 3] include_examples 'scan', /[\w]/, 1 => [:type, :word, '\w', 1, 3] include_examples 'scan', /[\W]/, 1 => [:type, :nonword, '\W', 1, 3] include_examples 'scan', /[a-b]/, 1 => [:literal, :literal, 'a', 1, 2] include_examples 'scan', /[a-c]/, 2 => [:set, :range, '-', 2, 3] include_examples 'scan', /[a-d]/, 3 => [:literal, :literal, 'd', 3, 4] include_examples 'scan', /[a-b-]/, 4 => [:literal, :literal, '-', 4, 5] include_examples 'scan', /[-a]/, 1 => [:literal, :literal, '-', 1, 2] include_examples 'scan', /[a-c^]/, 4 => [:literal, :literal, '^', 4, 5] include_examples 'scan', /[a-bd-f]/, 2 => [:set, :range, '-', 2, 3] include_examples 'scan', /[a-cd-f]/, 5 => [:set, :range, '-', 5, 6] include_examples 'scan', /[a[:digit:]c]/, 2 => [:posixclass, :digit, '[:digit:]', 2, 11] include_examples 'scan', /[[:digit:][:space:]]/, 2 => [:posixclass, :space, '[:space:]', 10, 19] include_examples 'scan', /[[:^digit:]]/, 1 => [:nonposixclass, :digit, '[:^digit:]', 1, 11] include_examples 'scan', /[a[.a-b.]c]/, 2 => [:set, :collation, '[.a-b.]', 2, 9] include_examples 'scan', /[a[=e=]c]/, 2 => [:set, :equivalent, '[=e=]', 2, 7] include_examples 'scan', /[a-d&&g-h]/, 4 => [:set, :intersection, '&&', 4, 6] include_examples 'scan', /[a&&]/, 2 => [:set, :intersection, '&&', 2, 4] include_examples 'scan', /[&&z]/, 1 => [:set, :intersection, '&&', 1, 3] include_examples 'scan', /[a\p{digit}c]/, 2 => [:property, :digit, '\p{digit}', 2, 11] include_examples 'scan', /[a\P{digit}c]/, 2 => [:nonproperty, :digit, '\P{digit}', 2, 11] include_examples 'scan', /[a\p{^digit}c]/, 2 => [:nonproperty, :digit, '\p{^digit}', 2, 12] include_examples 'scan', /[a\P{^digit}c]/, 2 => [:property, :digit, '\P{^digit}', 2, 12] include_examples 'scan', /[a\p{ALPHA}c]/, 2 => [:property, :alpha, '\p{ALPHA}', 2, 11] include_examples 'scan', /[a\p{P}c]/, 2 => [:property, :punctuation,'\p{P}', 2, 7] include_examples 'scan', /[a\p{P}\P{P}c]/, 3 => [:nonproperty, :punctuation,'\P{P}', 7, 12] include_examples 'scan', /[\x20-\x27]/, 1 => [:escape, :hex, '\x20', 1, 5], 2 => [:set, :range, '-', 5, 6], 3 => [:escape, :hex, '\x27', 6, 10] include_examples 'scan', /[a-w&&[^c-g]z]/, 5 => [:set, :open, '[', 6, 7], 6 => [:set, :negate, '^', 7, 8], 8 => [:set, :range, '-', 9, 10], 10=> [:set, :close, ']', 11, 12] specify('set literal encoding') do text = RS.scan('[a]')[1][2].to_s expect(text).to eq 'a' expect(text.encoding.to_s).to eq 'UTF-8' text = RS.scan("[\u{1F632}]")[1][2].to_s expect(text).to eq "\u{1F632}" expect(text.encoding.to_s).to eq 'UTF-8' end end