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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe('Expression::Shared#te,ts') do
# Many tokens/expressions have their own tests for #te and #ts.
# This is an integration-like test to ensure they are correct in conjunction.
it 'is correct irrespective of nesting or preceding tokens' do
regexp = regexp_with_all_features
source = regexp.source
root = RP.parse(regexp)
checked_exps = root.each_expression.with_object([]) do |(exp), acc|
acc.each { |e| fail "dupe: #{[e, exp]}" if e.to_s == exp.to_s }
acc << exp unless exp.is_a?(Sequence) || exp.is_a?(WhiteSpace)
end
expect(checked_exps).not_to be_empty
checked_exps.each do |exp|
start = source.index(exp.to_s(:original))
expect(exp.ts).to eq(start),
"expected #{exp.class} #{exp} to start at #{start}, got #{exp.ts}"
end_idx = start + exp.base_length
expect(exp.te).to eq(end_idx),
"expected #{exp.class} #{exp} to end at #{end_idx}, got #{exp.te}"
end
end
end
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