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require 'spec_helper'
RSpec.describe('Group scanning') do
# Group types
include_examples 'scan', '(?>abc)', 0 => [:group, :atomic, '(?>', 0, 3]
include_examples 'scan', '(abc)', 0 => [:group, :capture, '(', 0, 1]
# Named groups
# Names that start with a hyphen or digit (ascii or other) are invalid.
# ")" is only allowed as first char of the name.
# "!" is allowed anywhere, but ?<!...> is treated as a lookbehind by Ruby.
include_examples 'scan', '(?<name>abc)', 0 => [:group, :named_ab, '(?<name>', 0, 8]
include_examples 'scan', "(?'name'abc)", 0 => [:group, :named_sq, "(?'name'", 0, 8]
include_examples 'scan', '(?<name_1>abc)', 0 => [:group, :named_ab, '(?<name_1>', 0,10]
include_examples 'scan', "(?'name_1'abc)", 0 => [:group, :named_sq, "(?'name_1'", 0,10]
include_examples 'scan', '(?<name-1>abc)', 0 => [:group, :named_ab, '(?<name-1>', 0,10]
include_examples 'scan', "(?'name-1'abc)", 0 => [:group, :named_sq, "(?'name-1'", 0,10]
include_examples 'scan', "(?<name'1>abc)", 0 => [:group, :named_ab, "(?<name'1>", 0,10]
include_examples 'scan', "(?'name>1'abc)", 0 => [:group, :named_sq, "(?'name>1'", 0,10]
include_examples 'scan', '(?<üüuuüü>abc)', 0 => [:group, :named_ab, '(?<üüuuüü>', 0,10]
include_examples 'scan', "(?'üüuuüü'abc)", 0 => [:group, :named_sq, "(?'üüuuüü'", 0,10]
include_examples 'scan', "(?<😋1234😋>abc)", 0 => [:group, :named_ab, "(?<😋1234😋>", 0,10]
include_examples 'scan', "(?'😋1234😋'abc)", 0 => [:group, :named_sq, "(?'😋1234😋'", 0,10]
include_examples 'scan', "(?<)x>y)", 0 => [:group, :named_ab, '(?<)x>', 0, 6]
include_examples 'scan', "(?')x'y)", 0 => [:group, :named_sq, "(?')x'", 0, 6]
include_examples 'scan', "(?'!x'y)", 0 => [:group, :named_sq, "(?'!x'", 0, 6]
# Passive groups
include_examples 'scan', '(?:abc)', 0 => [:group, :passive, '(?:', 0, 3]
include_examples 'scan', '(?:)', 0 => [:group, :passive, '(?:', 0, 3]
include_examples 'scan', '(?::)', 0 => [:group, :passive, '(?:', 0, 3]
# Comments
include_examples 'scan', '(?#abc)', 0 => [:group, :comment, '(?#abc)', 0, 7]
include_examples 'scan', '(?#)', 0 => [:group, :comment, '(?#)', 0, 4]
# Assertions
include_examples 'scan', '(?=abc)', 0 => [:assertion, :lookahead, '(?=', 0, 3]
include_examples 'scan', '(?!abc)', 0 => [:assertion, :nlookahead, '(?!', 0, 3]
include_examples 'scan', '(?<=abc)', 0 => [:assertion, :lookbehind, '(?<=', 0, 4]
include_examples 'scan', '(?<!abc)', 0 => [:assertion, :nlookbehind, '(?<!', 0, 4]
include_examples 'scan', '(?<!x)y>', 0 => [:assertion, :nlookbehind, '(?<!', 0, 4]
include_examples 'scan', '(?<!x>)y', 0 => [:assertion, :nlookbehind, '(?<!', 0, 4]
# Options
include_examples 'scan', '(?-mix:abc)', 0 => [:group, :options, '(?-mix:', 0, 7]
include_examples 'scan', '(?m-ix:abc)', 0 => [:group, :options, '(?m-ix:', 0, 7]
include_examples 'scan', '(?mi-x:abc)', 0 => [:group, :options, '(?mi-x:', 0, 7]
include_examples 'scan', '(?mix:abc)', 0 => [:group, :options, '(?mix:', 0, 6]
include_examples 'scan', '(?m:)', 0 => [:group, :options, '(?m:', 0, 4]
include_examples 'scan', '(?i:)', 0 => [:group, :options, '(?i:', 0, 4]
include_examples 'scan', '(?x:)', 0 => [:group, :options, '(?x:', 0, 4]
include_examples 'scan', '(?mix)', 0 => [:group, :options_switch, '(?mix', 0, 5]
include_examples 'scan', '(?d-mix:abc)', 0 => [:group, :options, '(?d-mix:', 0, 8]
include_examples 'scan', '(?a-mix:abc)', 0 => [:group, :options, '(?a-mix:', 0, 8]
include_examples 'scan', '(?u-mix:abc)', 0 => [:group, :options, '(?u-mix:', 0, 8]
include_examples 'scan', '(?da-m:abc)', 0 => [:group, :options, '(?da-m:', 0, 7]
include_examples 'scan', '(?du-x:abc)', 0 => [:group, :options, '(?du-x:', 0, 7]
include_examples 'scan', '(?dau-i:abc)', 0 => [:group, :options, '(?dau-i:', 0, 8]
include_examples 'scan', '(?dau:abc)', 0 => [:group, :options, '(?dau:', 0, 6]
include_examples 'scan', '(?d:)', 0 => [:group, :options, '(?d:', 0, 4]
include_examples 'scan', '(?a:)', 0 => [:group, :options, '(?a:', 0, 4]
include_examples 'scan', '(?u:)', 0 => [:group, :options, '(?u:', 0, 4]
include_examples 'scan', '(?dau)', 0 => [:group, :options_switch, '(?dau', 0, 5]
if ruby_version_at_least('2.4.1')
include_examples 'scan', '(?~abc)', 0 => [:group, :absence, '(?~', 0, 3]
end
end
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