1# frozen_string_literal: false
2require "test/unit"
3
4class TestKOI8 < Test::Unit::TestCase
5  ASSERTS = %q(
6    (0xc0..0xdf).each do |c|
7      c1 = c.chr("ENCODING")
8      c2 = (c + 0x20).chr("ENCODING")
9      assert_match(/^(#{ c1 })\1$/i, c2 + c1)
10      assert_match(/^(#{ c2 })\1$/i, c1 + c2)
11      assert_match(/^[#{ c1 }]+$/i, c2 + c1)
12      assert_match(/^[#{ c2 }]+$/i, c1 + c2)
13    end
14  )
15
16  def test_koi8_r
17    eval("# encoding: koi8-r\n" + ASSERTS.gsub("ENCODING", "koi8-r"))
18  end
19
20  def test_koi8_u
21    eval("# encoding: koi8-u\n" + ASSERTS.gsub("ENCODING", "koi8-u"))
22  end
23end
24