File: test_euc_jp.rb

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# vim: set fileencoding=euc-jp
# frozen_string_literal: false

require "test/unit"

class TestEUC_JP < Test::Unit::TestCase
  def test_mbc_case_fold
    assert_match(/()(a)\1\2/i, "aA")
    assert_match(/()(a)\1\2/i, "aA")
  end

  def test_property
    assert_match(/{0}\p{Hiragana}{4}/, "Ҥ餬")
    assert_no_match(/{0}\p{Hiragana}{4}/, "")
    assert_no_match(/{0}\p{Hiragana}{4}/, "")
    assert_no_match(/{0}\p{Katakana}{4}/, "Ҥ餬")
    assert_match(/{0}\p{Katakana}{4}/, "")
    assert_no_match(/{0}\p{Katakana}{4}/, "")
    assert_raise(RegexpError) { Regexp.new('{0}\p{foobarbaz}') }
  end

  def test_charboundary
    assert_nil(/\xA2\xA2/ =~ "\xA1\xA2\xA2\xA3")
  end
end