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require 'spec_helper'
RSpec.describe('Quantifier scanning') do
include_examples 'scan', 'a?', 1 => [:quantifier, :zero_or_one, '?', 1, 2]
include_examples 'scan', 'a??', 1 => [:quantifier, :zero_or_one_reluctant, '??', 1, 3]
include_examples 'scan', 'a?+', 1 => [:quantifier, :zero_or_one_possessive, '?+', 1, 3]
include_examples 'scan', 'a*', 1 => [:quantifier, :zero_or_more, '*', 1, 2]
include_examples 'scan', 'a*?', 1 => [:quantifier, :zero_or_more_reluctant, '*?', 1, 3]
include_examples 'scan', 'a*+', 1 => [:quantifier, :zero_or_more_possessive, '*+', 1, 3]
include_examples 'scan', 'a+', 1 => [:quantifier, :one_or_more, '+', 1, 2]
include_examples 'scan', 'a+?', 1 => [:quantifier, :one_or_more_reluctant, '+?', 1, 3]
include_examples 'scan', 'a++', 1 => [:quantifier, :one_or_more_possessive, '++', 1, 3]
include_examples 'scan', 'a{2}', 1 => [:quantifier, :interval, '{2}', 1, 4]
include_examples 'scan', 'a{2,}', 1 => [:quantifier, :interval, '{2,}', 1, 5]
include_examples 'scan', 'a{,2}', 1 => [:quantifier, :interval, '{,2}', 1, 5]
include_examples 'scan', 'a{2,4}', 1 => [:quantifier, :interval, '{2,4}', 1, 6]
# special case: chained quantifiers
include_examples 'scan', 'a+{2}{3}', 1 => [:quantifier, :one_or_more, '+', 1, 2]
include_examples 'scan', 'a+{2}{3}', 2 => [:quantifier, :interval, '{2}', 2, 5]
include_examples 'scan', 'a+{2}{3}', 3 => [:quantifier, :interval, '{3}', 5, 8]
end
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