diff --git a/test/reline/config_test.rb b/test/reline/config_test.rb
deleted file mode 100644
index 34ee407498..0000000000
--- a/test/reline/config_test.rb
+++ /dev/null
@@ -1,113 +0,0 @@
-require_relative 'helper'
-
-class Reline::Config::Test < Reline::TestCase
-  def setup
-    @pwd = Dir.pwd
-    @tmpdir = File.join(Dir.tmpdir, "test_reline_config_#{$$}")
-    Dir.mkdir(@tmpdir)
-    Dir.chdir(@tmpdir)
-    @config = Reline::Config.new
-  end
-
-  def teardown
-    Dir.chdir(@pwd)
-    FileUtils.rm_rf(@tmpdir)
-  end
-
-  def test_read_lines
-    @config.read_lines(<<~LINES.split(/(?<=\n)/))
-      set bell-style on
-    LINES
-
-    assert_equal :audible, @config.instance_variable_get(:@bell_style)
-  end
-
-  def test_bind_key
-    key, func = @config.bind_key('"input"', '"abcde"')
-
-    assert_equal 'input', key
-    assert_equal 'abcde', func
-  end
-
-  def test_bind_key_with_macro
-    key, func = @config.bind_key('"input"', 'abcde')
-
-    assert_equal 'input', key
-    assert_equal :abcde, func
-  end
-
-  def test_bind_key_with_escaped_chars
-    assert_equal ['input', "\e \\ \" ' \a \b \d \f \n \r \t \v"], @config.bind_key('"input"', '"\\e \\\\ \\" \\\' \\a \\b \\d \\f \\n \\r \\t \\v"')
-  end
-
-  def test_bind_key_with_ctrl_chars
-    assert_equal ['input', "\C-h\C-h"], @config.bind_key('"input"', '"\C-h\C-H"')
-  end
-
-  def test_bind_key_with_meta_chars
-    assert_equal ['input', "\M-h\M-H".force_encoding('ASCII-8BIT')], @config.bind_key('"input"', '"\M-h\M-H"')
-  end
-
-  def test_bind_key_with_octal_number
-    assert_equal ['input', "\1"], @config.bind_key('"input"', '"\1"')
-    assert_equal ['input', "\12"], @config.bind_key('"input"', '"\12"')
-    assert_equal ['input', "\123"], @config.bind_key('"input"', '"\123"')
-    assert_equal ['input', ["\123", '4'].join], @config.bind_key('"input"', '"\1234"')
-  end
-
-  def test_bind_key_with_hexadecimal_number
-    assert_equal ['input', "\x4"], @config.bind_key('"input"', '"\x4"')
-    assert_equal ['input', "\x45"], @config.bind_key('"input"', '"\x45"')
-    assert_equal ['input', ["\x45", '6'].join], @config.bind_key('"input"', '"\x456"')
-  end
-
-  def test_include
-    File.open('included_partial', 'wt') do |f|
-      f.write(<<~PARTIAL_LINES)
-        set bell-style on
-      PARTIAL_LINES
-    end
-    @config.read_lines(<<~LINES.split(/(?<=\n)/))
-      $include included_partial
-    LINES
-
-    assert_equal :audible, @config.instance_variable_get(:@bell_style)
-  end
-
-  def test_if
-    @config.read_lines(<<~LINES.split(/(?<=\n)/))
-      $if Ruby
-      set bell-style audible
-      $else
-      set bell-style visible
-      $endif
-    LINES
-
-    assert_equal :audible, @config.instance_variable_get(:@bell_style)
-  end
-
-  def test_if_with_false
-    @config.read_lines(<<~LINES.split(/(?<=\n)/))
-      $if Python
-      set bell-style audible
-      $else
-      set bell-style visible
-      $endif
-    LINES
-
-    assert_equal :visible, @config.instance_variable_get(:@bell_style)
-  end
-
-  def test_if_with_indent
-    @config.read_lines(<<~LINES.split(/(?<=\n)/))
-      set bell-style none
-        $if Ruby
-          set bell-style audible
-        $else
-          set bell-style visible
-        $endif
-    LINES
-
-    assert_equal :audible, @config.instance_variable_get(:@bell_style)
-  end
-end
diff --git a/test/reline/helper.rb b/test/reline/helper.rb
deleted file mode 100644
index 980a03c40a..0000000000
--- a/test/reline/helper.rb
+++ /dev/null
@@ -1,66 +0,0 @@
-$LOAD_PATH.unshift File.expand_path('../../lib', __FILE__)
-require 'reline'
-require 'test/unit'
-
-RELINE_TEST_ENCODING = (Encoding.find(ENV['RELINE_TEST_ENCODING']) if ENV['RELINE_TEST_ENCODING'])
-
-class Reline::TestCase < Test::Unit::TestCase
-  private def convert_str(input, options = {}, normalized = nil)
-    return nil if input.nil?
-    input.chars.map { |c|
-      if Reline::Unicode::EscapedChars.include?(c.ord)
-        c
-      else
-        c.encode(@line_editor.instance_variable_get(:@encoding), Encoding::UTF_8, options)
-      end
-    }.join
-  rescue Encoding::UndefinedConversionError, Encoding::InvalidByteSequenceError
-    input.unicode_normalize!(:nfc)
-    if normalized
-      options[:undef] = :replace
-      options[:replace] = '?'
-    end
-    normalized = true
-    retry
-  end
-
-  def input_keys(input, convert = true)
-    input = convert_str(input) if convert
-    input.chars.each do |c|
-      if c.bytesize == 1
-        eighth_bit = 0b10000000
-        byte = c.bytes.first
-        if byte.allbits?(eighth_bit)
-          @line_editor.input_key("\e".ord)
-          byte ^= eighth_bit
-        end
-        @line_editor.input_key(byte)
-      else
-        c.bytes.each do |b|
-          @line_editor.input_key(b)
-        end
-      end
-    end
-  end
-
-  def assert_line(expected)
-    expected = convert_str(expected)
-    assert_equal(expected, @line_editor.line)
-  end
-
-  def assert_byte_pointer_size(expected)
-    expected = convert_str(expected)
-    byte_pointer = @line_editor.instance_variable_get(:@byte_pointer)
-    assert_equal(
-      expected.bytesize, byte_pointer,
-      "<#{expected.inspect}> expected but was\n<#{@line_editor.line.byteslice(0, byte_pointer).inspect}>")
-  end
-
-  def assert_cursor(expected)
-    assert_equal(expected, @line_editor.instance_variable_get(:@cursor))
-  end
-
-  def assert_cursor_max(expected)
-    assert_equal(expected, @line_editor.instance_variable_get(:@cursor_max))
-  end
-end
diff --git a/test/reline/key_actor_emacs_test.rb b/test/reline/key_actor_emacs_test.rb
deleted file mode 100644
index c387f1c4ee..0000000000
--- a/test/reline/key_actor_emacs_test.rb
+++ /dev/null
@@ -1,1175 +0,0 @@
-require_relative 'helper'
-require 'stringio'
-
-class Reline::KeyActor::Emacs::Test < Reline::TestCase
-  def setup
-    @prompt = '> '
-    @config = Reline::Config.new # Emacs mode is default
-    @line_editor = Reline::LineEditor.new(
-      @config, @prompt,
-      (RELINE_TEST_ENCODING rescue Encoding.default_external))
-    @line_editor.retrieve_completion_block = Reline.method(:retrieve_completion_block)
-  end
-
-  def test_ed_insert_one
-    input_keys('a')
-    assert_line('a')
-    assert_byte_pointer_size('a')
-    assert_cursor(1)
-    assert_cursor_max(1)
-  end
-
-  def test_ed_insert_two
-    input_keys('ab')
-    assert_line('ab')
-    assert_byte_pointer_size('ab')
-    assert_cursor(2)
-    assert_cursor_max(2)
-  end
-
-  def test_ed_insert_mbchar_one
-    input_keys('か')
-    assert_line('か')
-    assert_byte_pointer_size('か')
-    assert_cursor(2)
-    assert_cursor_max(2)
-  end
-
-  def test_ed_insert_mbchar_two
-    input_keys('かき')
-    assert_line('かき')
-    assert_byte_pointer_size('かき')
-    assert_cursor(4)
-    assert_cursor_max(4)
-  end
-
-  def test_ed_insert_for_mbchar_by_plural_code_points
-    input_keys("か\u3099")
-    assert_line("か\u3099")
-    assert_byte_pointer_size("か\u3099")
-    assert_cursor(2)
-    assert_cursor_max(2)
-  end
-
-  def test_ed_insert_for_plural_mbchar_by_plural_code_points
-    input_keys("か\u3099き\u3099")
-    assert_line("か\u3099き\u3099")
-    assert_byte_pointer_size("か\u3099き\u3099")
-    assert_cursor(4)
-    assert_cursor_max(4)
-  end
-
-  def test_move_next_and_prev
-    input_keys('abd')
-    assert_byte_pointer_size('abd')
-    assert_cursor(3)
-    assert_cursor_max(3)
-    input_keys("\C-b", false)
-    assert_byte_pointer_size('ab')
-    assert_cursor(2)
-    assert_cursor_max(3)
-    input_keys("\C-b", false)
-    assert_byte_pointer_size('a')
-    assert_cursor(1)
-    assert_cursor_max(3)
-    input_keys("\C-f", false)
-    assert_byte_pointer_size('ab')
-    assert_cursor(2)
-    assert_cursor_max(3)
-    input_keys('c')
-    assert_byte_pointer_size('abc')
-    assert_cursor(3)
-    assert_cursor_max(4)
-    assert_line('abcd')
-  end
-
-  def test_move_next_and_prev_for_mbchar
-    input_keys('かきけ')
-    assert_byte_pointer_size('かきけ')
-    assert_cursor(6)
-    assert_cursor_max(6)
-    input_keys("\C-b", false)
-    assert_byte_pointer_size('かき')
-    assert_cursor(4)
-    assert_cursor_max(6)
-    input_keys("\C-b", false)
-    assert_byte_pointer_size('か')
-    assert_cursor(2)
-    assert_cursor_max(6)
-    input_keys("\C-f", false)
-    assert_byte_pointer_size('かき')
-    assert_cursor(4)
-    assert_cursor_max(6)
-    input_keys('く')
-    assert_byte_pointer_size('かきく')
-    assert_cursor(6)
-    assert_cursor_max(8)
-    assert_line('かきくけ')
-  end
-
-  def test_move_next_and_prev_for_mbchar_by_plural_code_points
-    input_keys("か\u3099き\u3099け\u3099")
-    assert_byte_pointer_size("か\u3099き\u3099け\u3099")
-    assert_cursor(6)
-    assert_cursor_max(6)
-    input_keys("\C-b", false)
-    assert_byte_pointer_size("か\u3099き\u3099")
-    assert_cursor(4)
-    assert_cursor_max(6)
-    input_keys("\C-b", false)
-    assert_byte_pointer_size("か\u3099")
-    assert_cursor(2)
-    assert_cursor_max(6)
-    input_keys("\C-f", false)
-    assert_byte_pointer_size("か\u3099き\u3099")
-    assert_cursor(4)
-    assert_cursor_max(6)
-    input_keys("く\u3099")
-    assert_byte_pointer_size("か\u3099き\u3099く\u3099")
-    assert_cursor(6)
-    assert_cursor_max(8)
-    assert_line("か\u3099き\u3099く\u3099け\u3099")
-  end
-
-  def test_move_to_beg_end
-    input_keys('bcd')
-    assert_byte_pointer_size('bcd')
-    assert_cursor(3)
-    assert_cursor_max(3)
-    input_keys("\C-a", false)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(3)
-    input_keys('a')
-    assert_byte_pointer_size('a')
-    assert_cursor(1)
-    assert_cursor_max(4)
-    input_keys("\C-e", false)
-    assert_byte_pointer_size('abcd')
-    assert_cursor(4)
-    assert_cursor_max(4)
-    input_keys('e')
-    assert_byte_pointer_size('abcde')
-    assert_cursor(5)
-    assert_cursor_max(5)
-    assert_line('abcde')
-  end
-
-  def test_ed_newline_with_cr
-    input_keys('ab')
-    assert_byte_pointer_size('ab')
-    assert_cursor(2)
-    assert_cursor_max(2)
-    refute(@line_editor.finished?)
-    input_keys("\C-m", false)
-    assert_line('ab')
-    assert(@line_editor.finished?)
-  end
-
-  def test_ed_newline_with_lf
-    input_keys('ab')
-    assert_byte_pointer_size('ab')
-    assert_cursor(2)
-    assert_cursor_max(2)
-    refute(@line_editor.finished?)
-    input_keys("\C-j", false)
-    assert_line('ab')
-    assert(@line_editor.finished?)
-  end
-
-  def test_em_delete_prev_char
-    input_keys('ab')
-    assert_byte_pointer_size('ab')
-    assert_cursor(2)
-    assert_cursor_max(2)
-    input_keys("\C-h", false)
-    assert_byte_pointer_size('a')
-    assert_cursor(1)
-    assert_cursor_max(1)
-    assert_line('a')
-  end
-
-  def test_em_delete_prev_char_for_mbchar
-    input_keys('かき')
-    assert_byte_pointer_size('かき')
-    assert_cursor(4)
-    assert_cursor_max(4)
-    input_keys("\C-h", false)
-    assert_byte_pointer_size('か')
-    assert_cursor(2)
-    assert_cursor_max(2)
-    assert_line('か')
-  end
-
-  def test_em_delete_prev_char_for_mbchar_by_plural_code_points
-    input_keys("か\u3099き\u3099")
-    assert_byte_pointer_size("か\u3099き\u3099")
-    assert_cursor(4)
-    assert_cursor_max(4)
-    input_keys("\C-h", false)
-    assert_byte_pointer_size("か\u3099")
-    assert_cursor(2)
-    assert_cursor_max(2)
-    assert_line("か\u3099")
-  end
-
-  def test_ed_kill_line
-    input_keys("\C-k", false)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(0)
-    assert_line('')
-    input_keys('abc')
-    assert_byte_pointer_size('abc')
-    assert_cursor(3)
-    assert_cursor_max(3)
-    input_keys("\C-k", false)
-    assert_byte_pointer_size('abc')
-    assert_cursor(3)
-    assert_cursor_max(3)
-    assert_line('abc')
-    input_keys("\C-b\C-k", false)
-    assert_byte_pointer_size('ab')
-    assert_cursor(2)
-    assert_cursor_max(2)
-    assert_line('ab')
-  end
-
-  def test_em_kill_line
-    input_keys("\C-u", false)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(0)
-    assert_line('')
-    input_keys('abc')
-    assert_byte_pointer_size('abc')
-    assert_cursor(3)
-    assert_cursor_max(3)
-    input_keys("\C-u", false)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(0)
-    assert_line('')
-    input_keys('abc')
-    input_keys("\C-b\C-u", false)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(1)
-    assert_line('c')
-    input_keys("\C-u", false)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(1)
-    assert_line('c')
-  end
-
-  def test_ed_move_to_beg
-    input_keys('abd')
-    assert_byte_pointer_size('abd')
-    assert_cursor(3)
-    assert_cursor_max(3)
-    input_keys("\C-b", false)
-    assert_byte_pointer_size('ab')
-    assert_cursor(2)
-    assert_cursor_max(3)
-    input_keys('c')
-    assert_byte_pointer_size('abc')
-    assert_cursor(3)
-    assert_cursor_max(4)
-    input_keys("\C-a", false)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(4)
-    input_keys('012')
-    assert_byte_pointer_size('012')
-    assert_cursor(3)
-    assert_cursor_max(7)
-    assert_line('012abcd')
-    input_keys("\C-a", false)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(7)
-    input_keys('ABC')
-    assert_byte_pointer_size('ABC')
-    assert_cursor(3)
-    assert_cursor_max(10)
-    assert_line('ABC012abcd')
-    input_keys("\C-f" * 10 + "\C-a", false)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(10)
-    input_keys('a')
-    assert_byte_pointer_size('a')
-    assert_cursor(1)
-    assert_cursor_max(11)
-    assert_line('aABC012abcd')
-  end
-
-  def test_ed_move_to_end
-    input_keys('abd')
-    assert_byte_pointer_size('abd')
-    assert_cursor(3)
-    assert_cursor_max(3)
-    input_keys("\C-b", false)
-    assert_byte_pointer_size('ab')
-    assert_cursor(2)
-    assert_cursor_max(3)
-    input_keys('c')
-    assert_byte_pointer_size('abc')
-    assert_cursor(3)
-    assert_cursor_max(4)
-    input_keys("\C-e", false)
-    assert_byte_pointer_size('abcd')
-    assert_cursor(4)
-    assert_cursor_max(4)
-    input_keys('012')
-    assert_byte_pointer_size('abcd012')
-    assert_cursor(7)
-    assert_cursor_max(7)
-    assert_line('abcd012')
-    input_keys("\C-e", false)
-    assert_byte_pointer_size('abcd012')
-    assert_cursor(7)
-    assert_cursor_max(7)
-    input_keys('ABC')
-    assert_byte_pointer_size('abcd012ABC')
-    assert_cursor(10)
-    assert_cursor_max(10)
-    assert_line('abcd012ABC')
-    input_keys("\C-b" * 10 + "\C-e", false)
-    assert_byte_pointer_size('abcd012ABC')
-    assert_cursor(10)
-    assert_cursor_max(10)
-    input_keys('a')
-    assert_byte_pointer_size('abcd012ABCa')
-    assert_cursor(11)
-    assert_cursor_max(11)
-    assert_line('abcd012ABCa')
-  end
-
-  def test_em_delete_or_list
-    input_keys('ab')
-    assert_byte_pointer_size('ab')
-    assert_cursor(2)
-    assert_cursor_max(2)
-    input_keys("\C-a", false)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(2)
-    input_keys("\C-d", false)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(1)
-    assert_line('b')
-  end
-
-  def test_em_delete_or_list_for_mbchar
-    input_keys('かき')
-    assert_byte_pointer_size('かき')
-    assert_cursor(4)
-    assert_cursor_max(4)
-    input_keys("\C-a", false)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(4)
-    input_keys("\C-d", false)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(2)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(2)
-    assert_line('き')
-  end
-
-  def test_em_delete_or_list_for_mbchar_by_plural_code_points
-    input_keys("か\u3099き\u3099")
-    assert_byte_pointer_size("か\u3099き\u3099")
-    assert_cursor(4)
-    assert_cursor_max(4)
-    input_keys("\C-a", false)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(4)
-    input_keys("\C-d", false)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(2)
-    assert_line("き\u3099")
-  end
-
-  def test_ed_clear_screen
-    refute(@line_editor.instance_variable_get(:@cleared))
-    input_keys("\C-l", false)
-    assert(@line_editor.instance_variable_get(:@cleared))
-  end
-
-  def test_ed_clear_screen_with_inputed
-    input_keys('abc')
-    input_keys("\C-b", false)
-    refute(@line_editor.instance_variable_get(:@cleared))
-    assert_byte_pointer_size('ab')
-    assert_cursor(2)
-    assert_cursor_max(3)
-    input_keys("\C-l", false)
-    assert(@line_editor.instance_variable_get(:@cleared))
-    assert_byte_pointer_size('ab')
-    assert_cursor(2)
-    assert_cursor_max(3)
-    assert_line('abc')
-  end
-
-  def test_em_next_word
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    input_keys('abc def{bbb}ccc')
-    input_keys("\C-a\M-F", false)
-    assert_byte_pointer_size('abc')
-    assert_cursor(3)
-    input_keys("\M-F", false)
-    assert_byte_pointer_size('abc def')
-    assert_cursor(7)
-    input_keys("\M-F", false)
-    assert_byte_pointer_size('abc def{bbb')
-    assert_cursor(11)
-    input_keys("\M-F", false)
-    assert_byte_pointer_size('abc def{bbb}ccc')
-    assert_cursor(15)
-    input_keys("\M-F", false)
-    assert_byte_pointer_size('abc def{bbb}ccc')
-    assert_cursor(15)
-  end
-
-  def test_em_next_word_for_mbchar
-    assert_cursor(0)
-    input_keys('あいう かきく{さしす}たちつ')
-    input_keys("\C-a\M-F", false)
-    assert_byte_pointer_size('あいう')
-    assert_cursor(6)
-    input_keys("\M-F", false)
-    assert_byte_pointer_size('あいう かきく')
-    assert_cursor(13)
-    input_keys("\M-F", false)
-    assert_byte_pointer_size('あいう かきく{さしす')
-    assert_cursor(20)
-    input_keys("\M-F", false)
-    assert_byte_pointer_size('あいう かきく{さしす}たちつ')
-    assert_cursor(27)
-    input_keys("\M-F", false)
-    assert_byte_pointer_size('あいう かきく{さしす}たちつ')
-    assert_cursor(27)
-  end
-
-  def test_em_next_word_for_mbchar_by_plural_code_points
-    assert_cursor(0)
-    input_keys("あいう か\u3099き\u3099く\u3099{さしす}たちつ")
-    input_keys("\C-a\M-F", false)
-    assert_byte_pointer_size("あいう")
-    assert_cursor(6)
-    input_keys("\M-F", false)
-    assert_byte_pointer_size("あいう か\u3099き\u3099く\u3099")
-    assert_cursor(13)
-    input_keys("\M-F", false)
-    assert_byte_pointer_size("あいう か\u3099き\u3099く\u3099{さしす")
-    assert_cursor(20)
-    input_keys("\M-F", false)
-    assert_byte_pointer_size("あいう か\u3099き\u3099く\u3099{さしす}たちつ")
-    assert_cursor(27)
-    input_keys("\M-F", false)
-    assert_byte_pointer_size("あいう か\u3099き\u3099く\u3099{さしす}たちつ")
-    assert_cursor(27)
-  end
-
-  def test_em_prev_word
-    input_keys('abc def{bbb}ccc')
-    assert_byte_pointer_size('abc def{bbb}ccc')
-    assert_cursor(15)
-    input_keys("\M-B", false)
-    assert_byte_pointer_size('abc def{bbb}')
-    assert_cursor(12)
-    input_keys("\M-B", false)
-    assert_byte_pointer_size('abc def{')
-    assert_cursor(8)
-    input_keys("\M-B", false)
-    assert_byte_pointer_size('abc ')
-    assert_cursor(4)
-    input_keys("\M-B", false)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    input_keys("\M-B", false)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-  end
-
-  def test_em_prev_word_for_mbchar
-    input_keys('あいう かきく{さしす}たちつ')
-    assert_byte_pointer_size('あいう かきく{さしす}たちつ')
-    assert_cursor(27)
-    input_keys("\M-B", false)
-    assert_byte_pointer_size('あいう かきく{さしす}')
-    assert_cursor(21)
-    input_keys("\M-B", false)
-    assert_byte_pointer_size('あいう かきく{')
-    assert_cursor(14)
-    input_keys("\M-B", false)
-    assert_byte_pointer_size('あいう ')
-    assert_cursor(7)
-    input_keys("\M-B", false)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    input_keys("\M-B", false)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-  end
-
-  def test_em_prev_word_for_mbchar_by_plural_code_points
-    input_keys("あいう か\u3099き\u3099く\u3099{さしす}たちつ")
-    assert_byte_pointer_size("あいう か\u3099き\u3099く\u3099{さしす}たちつ")
-    assert_cursor(27)
-    input_keys("\M-B", false)
-    assert_byte_pointer_size("あいう か\u3099き\u3099く\u3099{さしす}")
-    assert_cursor(21)
-    input_keys("\M-B", false)
-    assert_byte_pointer_size("あいう か\u3099き\u3099く\u3099{")
-    assert_cursor(14)
-    input_keys("\M-B", false)
-    assert_byte_pointer_size('あいう ')
-    assert_cursor(7)
-    input_keys("\M-B", false)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    input_keys("\M-B", false)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-  end
-
-  def test_em_delete_next_word
-    input_keys('abc def{bbb}ccc')
-    input_keys("\C-a", false)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(15)
-    input_keys("\M-d", false)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(12)
-    assert_line(' def{bbb}ccc')
-    input_keys("\M-d", false)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(8)
-    assert_line('{bbb}ccc')
-    input_keys("\M-d", false)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(4)
-    assert_line('}ccc')
-    input_keys("\M-d", false)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(0)
-    assert_line('')
-  end
-
-  def test_em_delete_next_word_for_mbchar
-    input_keys('あいう かきく{さしす}たちつ')
-    input_keys("\C-a", false)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(27)
-    input_keys("\M-d", false)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(21)
-    assert_line(' かきく{さしす}たちつ')
-    input_keys("\M-d", false)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(14)
-    assert_line('{さしす}たちつ')
-    input_keys("\M-d", false)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(7)
-    assert_line('}たちつ')
-    input_keys("\M-d", false)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(0)
-    assert_line('')
-  end
-
-  def test_em_delete_next_word_for_mbchar_by_plural_code_points
-    input_keys("あいう か\u3099き\u3099く\u3099{さしす}たちつ")
-    input_keys("\C-a", false)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(27)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(27)
-    input_keys("\M-d", false)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(21)
-    assert_line(" か\u3099き\u3099く\u3099{さしす}たちつ")
-    input_keys("\M-d", false)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(14)
-    assert_line('{さしす}たちつ')
-    input_keys("\M-d", false)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(7)
-    assert_line('}たちつ')
-    input_keys("\M-d", false)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(0)
-    assert_line('')
-  end
-
-  def test_ed_delete_prev_word
-    input_keys('abc def{bbb}ccc')
-    assert_byte_pointer_size('abc def{bbb}ccc')
-    assert_cursor(15)
-    assert_cursor_max(15)
-    input_keys("\M-\C-H", false)
-    assert_byte_pointer_size('abc def{bbb}')
-    assert_cursor(12)
-    assert_cursor_max(12)
-    assert_line('abc def{bbb}')
-    input_keys("\M-\C-H", false)
-    assert_byte_pointer_size('abc def{')
-    assert_cursor(8)
-    assert_cursor_max(8)
-    assert_line('abc def{')
-    input_keys("\M-\C-H", false)
-    assert_byte_pointer_size('abc ')
-    assert_cursor(4)
-    assert_cursor_max(4)
-    assert_line('abc ')
-    input_keys("\M-\C-H", false)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(0)
-    assert_line('')
-  end
-
-  def test_ed_delete_prev_word_for_mbchar
-    input_keys('あいう かきく{さしす}たちつ')
-    assert_byte_pointer_size('あいう かきく{さしす}たちつ')
-    assert_cursor(27)
-    assert_cursor_max(27)
-    input_keys("\M-\C-H", false)
-    assert_byte_pointer_size('あいう かきく{さしす}')
-    assert_cursor(21)
-    assert_cursor_max(21)
-    assert_line('あいう かきく{さしす}')
-    input_keys("\M-\C-H", false)
-    assert_byte_pointer_size('あいう かきく{')
-    assert_cursor(14)
-    assert_cursor_max(14)
-    assert_line('あいう かきく{')
-    input_keys("\M-\C-H", false)
-    assert_byte_pointer_size('あいう ')
-    assert_cursor(7)
-    assert_cursor_max(7)
-    assert_line('あいう ')
-    input_keys("\M-\C-H", false)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(0)
-    assert_line('')
-  end
-
-  def test_ed_delete_prev_word_for_mbchar_by_plural_code_points
-    input_keys("あいう か\u3099き\u3099く\u3099{さしす}たちつ")
-    assert_byte_pointer_size("あいう か\u3099き\u3099く\u3099{さしす}たちつ")
-    assert_cursor(27)
-    assert_cursor_max(27)
-    input_keys("\M-\C-H", false)
-    assert_byte_pointer_size("あいう か\u3099き\u3099く\u3099{さしす}")
-    assert_cursor(21)
-    assert_cursor_max(21)
-    assert_line("あいう か\u3099き\u3099く\u3099{さしす}")
-    input_keys("\M-\C-H", false)
-    assert_byte_pointer_size("あいう か\u3099き\u3099く\u3099{")
-    assert_cursor(14)
-    assert_cursor_max(14)
-    assert_line("あいう か\u3099き\u3099く\u3099{")
-    input_keys("\M-\C-H", false)
-    assert_byte_pointer_size("あいう ")
-    assert_cursor(7)
-    assert_cursor_max(7)
-    assert_line('あいう ')
-    input_keys("\M-\C-H", false)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(0)
-    assert_line('')
-  end
-
-  def test_ed_transpose_chars
-    input_keys('abc')
-    input_keys("\C-a", false)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(3)
-    input_keys("\C-t", false)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(3)
-    assert_line('abc')
-    input_keys("\C-f\C-t", false)
-    assert_byte_pointer_size('ba')
-    assert_cursor(2)
-    assert_cursor_max(3)
-    assert_line('bac')
-    input_keys("\C-t", false)
-    assert_byte_pointer_size('bca')
-    assert_cursor(3)
-    assert_cursor_max(3)
-    assert_line('bca')
-    input_keys("\C-t", false)
-    assert_byte_pointer_size('bac')
-    assert_cursor(3)
-    assert_cursor_max(3)
-    assert_line('bac')
-  end
-
-  def test_ed_transpose_chars_for_mbchar
-    input_keys('あかさ')
-    input_keys("\C-a", false)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(6)
-    input_keys("\C-t", false)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(6)
-    assert_line('あかさ')
-    input_keys("\C-f\C-t", false)
-    assert_byte_pointer_size('かあ')
-    assert_cursor(4)
-    assert_cursor_max(6)
-    assert_line('かあさ')
-    input_keys("\C-t", false)
-    assert_byte_pointer_size('かさあ')
-    assert_cursor(6)
-    assert_cursor_max(6)
-    assert_line('かさあ')
-    input_keys("\C-t", false)
-    assert_byte_pointer_size('かあさ')
-    assert_cursor(6)
-    assert_cursor_max(6)
-    assert_line('かあさ')
-  end
-
-  def test_ed_transpose_chars_for_mbchar_by_plural_code_points
-    input_keys("あか\u3099さ")
-    input_keys("\C-a", false)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(6)
-    input_keys("\C-t", false)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(6)
-    assert_line("あか\u3099さ")
-    input_keys("\C-f\C-t", false)
-    assert_byte_pointer_size("か\u3099あ")
-    assert_cursor(4)
-    assert_cursor_max(6)
-    assert_line("か\u3099あさ")
-    input_keys("\C-t", false)
-    assert_byte_pointer_size("か\u3099さあ")
-    assert_cursor(6)
-    assert_cursor_max(6)
-    assert_line("か\u3099さあ")
-    input_keys("\C-t", false)
-    assert_byte_pointer_size("か\u3099あさ")
-    assert_cursor(6)
-    assert_cursor_max(6)
-    assert_line("か\u3099あさ")
-  end
-
-  def test_ed_digit
-    input_keys('0123')
-    assert_byte_pointer_size('0123')
-    assert_cursor(4)
-    assert_cursor_max(4)
-    assert_line('0123')
-  end
-
-  def test_ed_next_and_prev_char
-    input_keys('abc')
-    assert_byte_pointer_size('abc')
-    assert_cursor(3)
-    assert_cursor_max(3)
-    input_keys("\C-b", false)
-    assert_byte_pointer_size('ab')
-    assert_cursor(2)
-    assert_cursor_max(3)
-    input_keys("\C-b", false)
-    assert_byte_pointer_size('a')
-    assert_cursor(1)
-    assert_cursor_max(3)
-    input_keys("\C-b", false)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(3)
-    input_keys("\C-b", false)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(3)
-    input_keys("\C-f", false)
-    assert_byte_pointer_size('a')
-    assert_cursor(1)
-    assert_cursor_max(3)
-    input_keys("\C-f", false)
-    assert_byte_pointer_size('ab')
-    assert_cursor(2)
-    assert_cursor_max(3)
-    input_keys("\C-f", false)
-    assert_byte_pointer_size('abc')
-    assert_cursor(3)
-    assert_cursor_max(3)
-    input_keys("\C-f", false)
-    assert_byte_pointer_size('abc')
-    assert_cursor(3)
-    assert_cursor_max(3)
-  end
-
-  def test_ed_next_and_prev_char_for_mbchar
-    input_keys('あいう')
-    assert_byte_pointer_size('あいう')
-    assert_cursor(6)
-    assert_cursor_max(6)
-    input_keys("\C-b", false)
-    assert_byte_pointer_size('あい')
-    assert_cursor(4)
-    assert_cursor_max(6)
-    input_keys("\C-b", false)
-    assert_byte_pointer_size('あ')
-    assert_cursor(2)
-    assert_cursor_max(6)
-    input_keys("\C-b", false)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(6)
-    input_keys("\C-b", false)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(6)
-    input_keys("\C-f", false)
-    assert_byte_pointer_size('あ')
-    assert_cursor(2)
-    assert_cursor_max(6)
-    input_keys("\C-f", false)
-    assert_byte_pointer_size('あい')
-    assert_cursor(4)
-    assert_cursor_max(6)
-    input_keys("\C-f", false)
-    assert_byte_pointer_size('あいう')
-    assert_cursor(6)
-    assert_cursor_max(6)
-    input_keys("\C-f", false)
-    assert_byte_pointer_size('あいう')
-    assert_cursor(6)
-    assert_cursor_max(6)
-  end
-
-  def test_ed_next_and_prev_char_for_mbchar_by_plural_code_points
-    input_keys("か\u3099き\u3099く\u3099")
-    assert_byte_pointer_size("か\u3099き\u3099く\u3099")
-    assert_cursor(6)
-    assert_cursor_max(6)
-    input_keys("\C-b", false)
-    assert_byte_pointer_size("か\u3099き\u3099")
-    assert_cursor(4)
-    assert_cursor_max(6)
-    input_keys("\C-b", false)
-    assert_byte_pointer_size("か\u3099")
-    assert_cursor(2)
-    assert_cursor_max(6)
-    input_keys("\C-b", false)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(6)
-    input_keys("\C-b", false)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(6)
-    input_keys("\C-f", false)
-    assert_byte_pointer_size("か\u3099")
-    assert_cursor(2)
-    assert_cursor_max(6)
-    input_keys("\C-f", false)
-    assert_byte_pointer_size("か\u3099き\u3099")
-    assert_cursor(4)
-    assert_cursor_max(6)
-    input_keys("\C-f", false)
-    assert_byte_pointer_size("か\u3099き\u3099く\u3099")
-    assert_cursor(6)
-    assert_cursor_max(6)
-    input_keys("\C-f", false)
-    assert_byte_pointer_size("か\u3099き\u3099く\u3099")
-    assert_cursor(6)
-    assert_cursor_max(6)
-  end
-
-  def test_em_capitol_case
-    input_keys('abc def{bbb}ccc')
-    input_keys("\C-a\M-c", false)
-    assert_byte_pointer_size('Abc')
-    assert_cursor(3)
-    assert_cursor_max(15)
-    assert_line('Abc def{bbb}ccc')
-    input_keys("\M-c", false)
-    assert_byte_pointer_size('Abc Def')
-    assert_cursor(7)
-    assert_cursor_max(15)
-    assert_line('Abc Def{bbb}ccc')
-    input_keys("\M-c", false)
-    assert_byte_pointer_size('Abc Def{Bbb')
-    assert_cursor(11)
-    assert_cursor_max(15)
-    assert_line('Abc Def{Bbb}ccc')
-    input_keys("\M-c", false)
-    assert_byte_pointer_size('Abc Def{Bbb}Ccc')
-    assert_cursor(15)
-    assert_cursor_max(15)
-    assert_line('Abc Def{Bbb}Ccc')
-  end
-
-  def test_em_capitol_case_with_complex_example
-    input_keys('{}#*    AaA!!!cCc   ')
-    input_keys("\C-a\M-c", false)
-    assert_byte_pointer_size('{}#*    Aaa')
-    assert_cursor(11)
-    assert_cursor_max(20)
-    assert_line('{}#*    Aaa!!!cCc   ')
-    input_keys("\M-c", false)
-    assert_byte_pointer_size('{}#*    Aaa!!!Ccc')
-    assert_cursor(17)
-    assert_cursor_max(20)
-    assert_line('{}#*    Aaa!!!Ccc   ')
-    input_keys("\M-c", false)
-    assert_byte_pointer_size('{}#*    Aaa!!!Ccc   ')
-    assert_cursor(20)
-    assert_cursor_max(20)
-    assert_line('{}#*    Aaa!!!Ccc   ')
-  end
-
-  def test_em_lower_case
-    input_keys('AbC def{bBb}CCC')
-    input_keys("\C-a\M-l", false)
-    assert_byte_pointer_size('abc')
-    assert_cursor(3)
-    assert_cursor_max(15)
-    assert_line('abc def{bBb}CCC')
-    input_keys("\M-l", false)
-    assert_byte_pointer_size('abc def')
-    assert_cursor(7)
-    assert_cursor_max(15)
-    assert_line('abc def{bBb}CCC')
-    input_keys("\M-l", false)
-    assert_byte_pointer_size('abc def{bbb')
-    assert_cursor(11)
-    assert_cursor_max(15)
-    assert_line('abc def{bbb}CCC')
-    input_keys("\M-l", false)
-    assert_byte_pointer_size('abc def{bbb}ccc')
-    assert_cursor(15)
-    assert_cursor_max(15)
-    assert_line('abc def{bbb}ccc')
-  end
-
-  def test_em_lower_case_with_complex_example
-    input_keys('{}#*    AaA!!!cCc   ')
-    input_keys("\C-a\M-l", false)
-    assert_byte_pointer_size('{}#*    aaa')
-    assert_cursor(11)
-    assert_cursor_max(20)
-    assert_line('{}#*    aaa!!!cCc   ')
-    input_keys("\M-l", false)
-    assert_byte_pointer_size('{}#*    aaa!!!ccc')
-    assert_cursor(17)
-    assert_cursor_max(20)
-    assert_line('{}#*    aaa!!!ccc   ')
-    input_keys("\M-l", false)
-    assert_byte_pointer_size('{}#*    aaa!!!ccc   ')
-    assert_cursor(20)
-    assert_cursor_max(20)
-    assert_line('{}#*    aaa!!!ccc   ')
-  end
-
-  def test_em_upper_case
-    input_keys('AbC def{bBb}CCC')
-    input_keys("\C-a\M-u", false)
-    assert_byte_pointer_size('ABC')
-    assert_cursor(3)
-    assert_cursor_max(15)
-    assert_line('ABC def{bBb}CCC')
-    input_keys("\M-u", false)
-    assert_byte_pointer_size('ABC DEF')
-    assert_cursor(7)
-    assert_cursor_max(15)
-    assert_line('ABC DEF{bBb}CCC')
-    input_keys("\M-u", false)
-    assert_byte_pointer_size('ABC DEF{BBB')
-    assert_cursor(11)
-    assert_cursor_max(15)
-    assert_line('ABC DEF{BBB}CCC')
-    input_keys("\M-u", false)
-    assert_byte_pointer_size('ABC DEF{BBB}CCC')
-    assert_cursor(15)
-    assert_cursor_max(15)
-    assert_line('ABC DEF{BBB}CCC')
-  end
-
-  def test_em_upper_case_with_complex_example
-    input_keys('{}#*    AaA!!!cCc   ')
-    input_keys("\C-a\M-u", false)
-    assert_byte_pointer_size('{}#*    AAA')
-    assert_cursor(11)
-    assert_cursor_max(20)
-    assert_line('{}#*    AAA!!!cCc   ')
-    input_keys("\M-u", false)
-    assert_byte_pointer_size('{}#*    AAA!!!CCC')
-    assert_cursor(17)
-    assert_cursor_max(20)
-    assert_line('{}#*    AAA!!!CCC   ')
-    input_keys("\M-u", false)
-    assert_byte_pointer_size('{}#*    AAA!!!CCC   ')
-    assert_cursor(20)
-    assert_cursor_max(20)
-    assert_line('{}#*    AAA!!!CCC   ')
-  end
-
-  def test_completion
-    $stdout = StringIO.new
-    @line_editor.completion_proc = proc { |word|
-      %w{
-        foo_foo
-        foo_bar
-        foo_baz
-        qux
-      }
-    }
-    input_keys('fo')
-    assert_byte_pointer_size('fo')
-    assert_cursor(2)
-    assert_cursor_max(2)
-    assert_line('fo')
-    assert_equal('', $stdout.string)
-    input_keys("\C-i", false)
-    assert_byte_pointer_size('foo_')
-    assert_cursor(4)
-    assert_cursor_max(4)
-    assert_line('foo_')
-    assert_equal('', $stdout.string)
-    input_keys("\C-i", false)
-    assert_byte_pointer_size('foo_')
-    assert_cursor(4)
-    assert_cursor_max(4)
-    assert_line('foo_')
-    assert_equal(<<~OUTPUT, $stdout.string)
-
-      foo_foo
-      foo_bar
-      foo_baz
-    OUTPUT
-    input_keys('a')
-    input_keys("\C-i", false)
-    assert_byte_pointer_size('foo_a')
-    assert_cursor(5)
-    assert_cursor_max(5)
-    assert_line('foo_a')
-    input_keys("\C-h", false)
-    input_keys('b')
-    input_keys("\C-i", false)
-    assert_byte_pointer_size('foo_ba')
-    assert_cursor(6)
-    assert_cursor_max(6)
-    assert_line('foo_ba')
-  ensure
-    $stdout = STDOUT
-  end
-
-  def test_completion_in_middle_of_line
-    @line_editor.completion_proc = proc { |word|
-      %w{
-        foo_foo
-        foo_bar
-        foo_baz
-        qux
-      }
-    }
-    input_keys('abcde fo ABCDE')
-    assert_line('abcde fo ABCDE')
-    input_keys("\C-b" * 6 + "\C-i", false)
-    assert_byte_pointer_size('abcde foo_')
-    assert_cursor(10)
-    assert_cursor_max(16)
-    assert_line('abcde foo_ ABCDE')
-    input_keys("\C-b" * 2 + "\C-i", false)
-    assert_byte_pointer_size('abcde foo_')
-    assert_cursor(10)
-    assert_cursor_max(18)
-    assert_line('abcde foo_o_ ABCDE')
-  end
-
-  def test_em_kill_region
-    input_keys('abc   def{bbb}ccc   ddd   ')
-    assert_byte_pointer_size('abc   def{bbb}ccc   ddd   ')
-    assert_cursor(26)
-    assert_cursor_max(26)
-    assert_line('abc   def{bbb}ccc   ddd   ')
-    input_keys("\C-w", false)
-    assert_byte_pointer_size('abc   def{bbb}ccc   ')
-    assert_cursor(20)
-    assert_cursor_max(20)
-    assert_line('abc   def{bbb}ccc   ')
-    input_keys("\C-w", false)
-    assert_byte_pointer_size('abc   ')
-    assert_cursor(6)
-    assert_cursor_max(6)
-    assert_line('abc   ')
-    input_keys("\C-w", false)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(0)
-    assert_line('')
-    input_keys("\C-w", false)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(0)
-    assert_line('')
-  end
-
-  def test_em_kill_region_mbchar
-    input_keys('あ   い   う{う}う   ')
-    assert_byte_pointer_size('あ   い   う{う}う   ')
-    assert_cursor(21)
-    assert_cursor_max(21)
-    assert_line('あ   い   う{う}う   ')
-    input_keys("\C-w", false)
-    assert_byte_pointer_size('あ   い   ')
-    assert_cursor(10)
-    assert_cursor_max(10)
-    assert_line('あ   い   ')
-    input_keys("\C-w", false)
-    assert_byte_pointer_size('あ   ')
-    assert_cursor(5)
-    assert_cursor_max(5)
-    assert_line('あ   ')
-    input_keys("\C-w", false)
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(0)
-    assert_line('')
-  end
-end
diff --git a/test/reline/key_actor_vi_test.rb b/test/reline/key_actor_vi_test.rb
deleted file mode 100644
index 3f8d0fb462..0000000000
--- a/test/reline/key_actor_vi_test.rb
+++ /dev/null
@@ -1,990 +0,0 @@
-require_relative 'helper'
-
-class Reline::KeyActor::ViInsert::Test < Reline::TestCase
-  def setup
-    @prompt = '> '
-    @config = Reline::Config.new
-    @config.read_lines(<<~LINES.split(/(?<=\n)/))
-      set editing-mode vi
-    LINES
-    @line_editor = Reline::LineEditor.new(
-      @config, @prompt,
-      (RELINE_TEST_ENCODING rescue Encoding.default_external))
-    @line_editor.retrieve_completion_block = Reline.method(:retrieve_completion_block)
-  end
-
-  def test_vi_command_mode
-    input_keys("\C-[")
-    assert_instance_of(Reline::KeyActor::ViCommand, @config.editing_mode)
-  end
-
-  def test_vi_command_mode_with_input
-    input_keys("abc\C-[")
-    assert_instance_of(Reline::KeyActor::ViCommand, @config.editing_mode)
-    assert_line('abc')
-  end
-
-  def test_ed_insert_one
-    input_keys('a')
-    assert_line('a')
-    assert_byte_pointer_size('a')
-    assert_cursor(1)
-    assert_cursor_max(1)
-  end
-
-  def test_ed_insert_two
-    input_keys('ab')
-    assert_line('ab')
-    assert_byte_pointer_size('ab')
-    assert_cursor(2)
-    assert_cursor_max(2)
-  end
-
-  def test_ed_insert_mbchar_one
-    input_keys('か')
-    assert_line('か')
-    assert_byte_pointer_size('か')
-    assert_cursor(2)
-    assert_cursor_max(2)
-  end
-
-  def test_ed_insert_mbchar_two
-    input_keys('かき')
-    assert_line('かき')
-    assert_byte_pointer_size('かき')
-    assert_cursor(4)
-    assert_cursor_max(4)
-  end
-
-  def test_ed_insert_for_mbchar_by_plural_code_points
-    input_keys("か\u3099")
-    assert_line("か\u3099")
-    assert_byte_pointer_size("か\u3099")
-    assert_cursor(2)
-    assert_cursor_max(2)
-  end
-
-  def test_ed_insert_for_plural_mbchar_by_plural_code_points
-    input_keys("か\u3099き\u3099")
-    assert_line("か\u3099き\u3099")
-    assert_byte_pointer_size("か\u3099き\u3099")
-    assert_cursor(4)
-    assert_cursor_max(4)
-  end
-
-  def test_ed_next_char
-    input_keys("abcdef\C-[0")
-    assert_line('abcdef')
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(6)
-    input_keys('l')
-    assert_line('abcdef')
-    assert_byte_pointer_size('a')
-    assert_cursor(1)
-    assert_cursor_max(6)
-    input_keys('2l')
-    assert_line('abcdef')
-    assert_byte_pointer_size('abc')
-    assert_cursor(3)
-    assert_cursor_max(6)
-  end
-
-  def test_ed_prev_char
-    input_keys("abcdef\C-[")
-    assert_line('abcdef')
-    assert_byte_pointer_size('abcde')
-    assert_cursor(5)
-    assert_cursor_max(6)
-    input_keys('h')
-    assert_line('abcdef')
-    assert_byte_pointer_size('abcd')
-    assert_cursor(4)
-    assert_cursor_max(6)
-    input_keys('2h')
-    assert_line('abcdef')
-    assert_byte_pointer_size('ab')
-    assert_cursor(2)
-    assert_cursor_max(6)
-  end
-
-  def test_history
-    Reline::HISTORY.concat(%w{abc 123 AAA})
-    input_keys("\C-[")
-    assert_line('')
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(0)
-    input_keys('k')
-    assert_line('AAA')
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(3)
-    input_keys('2k')
-    assert_line('abc')
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(3)
-    input_keys('j')
-    assert_line('123')
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(3)
-    input_keys('2j')
-    assert_line('')
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(0)
-  end
-
-  def test_vi_paste_prev
-    input_keys("abcde\C-[3h")
-    assert_line('abcde')
-    assert_byte_pointer_size('a')
-    assert_cursor(1)
-    assert_cursor_max(5)
-    input_keys('P')
-    assert_line('abcde')
-    assert_byte_pointer_size('a')
-    assert_cursor(1)
-    assert_cursor_max(5)
-    input_keys('d$')
-    assert_line('a')
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(1)
-    input_keys('P')
-    assert_line('bcdea')
-    assert_byte_pointer_size('bcd')
-    assert_cursor(3)
-    assert_cursor_max(5)
-    input_keys('2P')
-    assert_line('bcdbcdbcdeeea')
-    assert_byte_pointer_size('bcdbcdbcd')
-    assert_cursor(9)
-    assert_cursor_max(13)
-  end
-
-  def test_vi_paste_next
-    input_keys("abcde\C-[3h")
-    assert_line('abcde')
-    assert_byte_pointer_size('a')
-    assert_cursor(1)
-    assert_cursor_max(5)
-    input_keys('p')
-    assert_line('abcde')
-    assert_byte_pointer_size('a')
-    assert_cursor(1)
-    assert_cursor_max(5)
-    input_keys('d$')
-    assert_line('a')
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(1)
-    input_keys('p')
-    assert_line('abcde')
-    assert_byte_pointer_size('abcd')
-    assert_cursor(4)
-    assert_cursor_max(5)
-    input_keys('2p')
-    assert_line('abcdebcdebcde')
-    assert_byte_pointer_size('abcdebcdebcd')
-    assert_cursor(12)
-    assert_cursor_max(13)
-  end
-
-  def test_vi_paste_prev_for_mbchar
-    input_keys("あいうえお\C-[3h")
-    assert_line('あいうえお')
-    assert_byte_pointer_size('あ')
-    assert_cursor(2)
-    assert_cursor_max(10)
-    input_keys('P')
-    assert_line('あいうえお')
-    assert_byte_pointer_size('あ')
-    assert_cursor(2)
-    assert_cursor_max(10)
-    input_keys('d$')
-    assert_line('あ')
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(2)
-    input_keys('P')
-    assert_line('いうえおあ')
-    assert_byte_pointer_size('いうえ')
-    assert_cursor(6)
-    assert_cursor_max(10)
-    input_keys('2P')
-    assert_line('いうえいうえいうえおおおあ')
-    assert_byte_pointer_size('いうえいうえいうえ')
-    assert_cursor(18)
-    assert_cursor_max(26)
-  end
-
-  def test_vi_paste_next_for_mbchar
-    input_keys("あいうえお\C-[3h")
-    assert_line('あいうえお')
-    assert_byte_pointer_size('あ')
-    assert_cursor(2)
-    assert_cursor_max(10)
-    input_keys('p')
-    assert_line('あいうえお')
-    assert_byte_pointer_size('あ')
-    assert_cursor(2)
-    assert_cursor_max(10)
-    input_keys('d$')
-    assert_line('あ')
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(2)
-    input_keys('p')
-    assert_line('あいうえお')
-    assert_byte_pointer_size('あいうえ')
-    assert_cursor(8)
-    assert_cursor_max(10)
-    input_keys('2p')
-    assert_line('あいうえおいうえおいうえお')
-    assert_byte_pointer_size('あいうえおいうえおいうえ')
-    assert_cursor(24)
-    assert_cursor_max(26)
-  end
-
-  def test_vi_paste_prev_for_mbchar_by_plural_code_points
-    input_keys("か\u3099き\u3099く\u3099け\u3099こ\u3099\C-[3h")
-    assert_line("か\u3099き\u3099く\u3099け\u3099こ\u3099")
-    assert_byte_pointer_size("か\u3099")
-    assert_cursor(2)
-    assert_cursor_max(10)
-    input_keys('P')
-    assert_line("か\u3099き\u3099く\u3099け\u3099こ\u3099")
-    assert_byte_pointer_size("か\u3099")
-    assert_cursor(2)
-    assert_cursor_max(10)
-    input_keys('d$')
-    assert_line("か\u3099")
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(2)
-    input_keys('P')
-    assert_line("き\u3099く\u3099け\u3099こ\u3099か\u3099")
-    assert_byte_pointer_size("き\u3099く\u3099け\u3099")
-    assert_cursor(6)
-    assert_cursor_max(10)
-    input_keys('2P')
-    assert_line("き\u3099く\u3099け\u3099き\u3099く\u3099け\u3099き\u3099く\u3099け\u3099こ\u3099こ\u3099こ\u3099か\u3099")
-    assert_byte_pointer_size("き\u3099く\u3099け\u3099き\u3099く\u3099け\u3099き\u3099く\u3099け\u3099")
-    assert_cursor(18)
-    assert_cursor_max(26)
-  end
-
-  def test_vi_paste_next_for_mbchar_by_plural_code_points
-    input_keys("か\u3099き\u3099く\u3099け\u3099こ\u3099\C-[3h")
-    assert_line("か\u3099き\u3099く\u3099け\u3099こ\u3099")
-    assert_byte_pointer_size("か\u3099")
-    assert_cursor(2)
-    assert_cursor_max(10)
-    input_keys('p')
-    assert_line("か\u3099き\u3099く\u3099け\u3099こ\u3099")
-    assert_byte_pointer_size("か\u3099")
-    assert_cursor(2)
-    assert_cursor_max(10)
-    input_keys('d$')
-    assert_line("か\u3099")
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(2)
-    input_keys('p')
-    assert_line("か\u3099き\u3099く\u3099け\u3099こ\u3099")
-    assert_byte_pointer_size("か\u3099き\u3099く\u3099け\u3099")
-    assert_cursor(8)
-    assert_cursor_max(10)
-    input_keys('2p')
-    assert_line("か\u3099き\u3099く\u3099け\u3099こ\u3099き\u3099く\u3099け\u3099こ\u3099き\u3099く\u3099け\u3099こ\u3099")
-    assert_byte_pointer_size("か\u3099き\u3099く\u3099け\u3099こ\u3099き\u3099く\u3099け\u3099こ\u3099き\u3099く\u3099け\u3099")
-    assert_cursor(24)
-    assert_cursor_max(26)
-  end
-
-  def test_vi_prev_next_word
-    input_keys("aaa b{b}b ccc\C-[0")
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(13)
-    input_keys('w')
-    assert_byte_pointer_size('aaa ')
-    assert_cursor(4)
-    assert_cursor_max(13)
-    input_keys('w')
-    assert_byte_pointer_size('aaa b')
-    assert_cursor(5)
-    assert_cursor_max(13)
-    input_keys('w')
-    assert_byte_pointer_size('aaa b{')
-    assert_cursor(6)
-    assert_cursor_max(13)
-    input_keys('w')
-    assert_byte_pointer_size('aaa b{b')
-    assert_cursor(7)
-    assert_cursor_max(13)
-    input_keys('w')
-    assert_byte_pointer_size('aaa b{b}')
-    assert_cursor(8)
-    assert_cursor_max(13)
-    input_keys('w')
-    assert_byte_pointer_size('aaa b{b}b ')
-    assert_cursor(10)
-    assert_cursor_max(13)
-    input_keys('w')
-    assert_byte_pointer_size('aaa b{b}b cc')
-    assert_cursor(12)
-    assert_cursor_max(13)
-    input_keys('b')
-    assert_byte_pointer_size('aaa b{b}b ')
-    assert_cursor(10)
-    assert_cursor_max(13)
-    input_keys('b')
-    assert_byte_pointer_size('aaa b{b}')
-    assert_cursor(8)
-    assert_cursor_max(13)
-    input_keys('b')
-    assert_byte_pointer_size('aaa b{b')
-    assert_cursor(7)
-    assert_cursor_max(13)
-    input_keys('b')
-    assert_byte_pointer_size('aaa b{')
-    assert_cursor(6)
-    assert_cursor_max(13)
-    input_keys('b')
-    assert_byte_pointer_size('aaa b')
-    assert_cursor(5)
-    assert_cursor_max(13)
-    input_keys('b')
-    assert_byte_pointer_size('aaa ')
-    assert_cursor(4)
-    assert_cursor_max(13)
-    input_keys('b')
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(13)
-    input_keys('3w')
-    assert_byte_pointer_size('aaa b{')
-    assert_cursor(6)
-    assert_cursor_max(13)
-    input_keys('3w')
-    assert_byte_pointer_size('aaa b{b}b ')
-    assert_cursor(10)
-    assert_cursor_max(13)
-    input_keys('3w')
-    assert_byte_pointer_size('aaa b{b}b cc')
-    assert_cursor(12)
-    assert_cursor_max(13)
-    input_keys('3b')
-    assert_byte_pointer_size('aaa b{b')
-    assert_cursor(7)
-    assert_cursor_max(13)
-    input_keys('3b')
-    assert_byte_pointer_size('aaa ')
-    assert_cursor(4)
-    assert_cursor_max(13)
-    input_keys('3b')
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(13)
-  end
-
-  def test_vi_end_word
-    input_keys("aaa   b{b}}}b   ccc\C-[0")
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(19)
-    input_keys('e')
-    assert_byte_pointer_size('aa')
-    assert_cursor(2)
-    assert_cursor_max(19)
-    input_keys('e')
-    assert_byte_pointer_size('aaa   ')
-    assert_cursor(6)
-    assert_cursor_max(19)
-    input_keys('e')
-    assert_byte_pointer_size('aaa   b')
-    assert_cursor(7)
-    assert_cursor_max(19)
-    input_keys('e')
-    assert_byte_pointer_size('aaa   b{')
-    assert_cursor(8)
-    assert_cursor_max(19)
-    input_keys('e')
-    assert_byte_pointer_size('aaa   b{b}}')
-    assert_cursor(11)
-    assert_cursor_max(19)
-    input_keys('e')
-    assert_byte_pointer_size('aaa   b{b}}}')
-    assert_cursor(12)
-    assert_cursor_max(19)
-    input_keys('e')
-    assert_byte_pointer_size('aaa   b{b}}}b   cc')
-    assert_cursor(18)
-    assert_cursor_max(19)
-    input_keys('e')
-    assert_byte_pointer_size('aaa   b{b}}}b   cc')
-    assert_cursor(18)
-    assert_cursor_max(19)
-    input_keys('03e')
-    assert_byte_pointer_size('aaa   b')
-    assert_cursor(7)
-    assert_cursor_max(19)
-    input_keys('3e')
-    assert_byte_pointer_size('aaa   b{b}}}')
-    assert_cursor(12)
-    assert_cursor_max(19)
-    input_keys('3e')
-    assert_byte_pointer_size('aaa   b{b}}}b   cc')
-    assert_cursor(18)
-    assert_cursor_max(19)
-  end
-
-  def test_vi_prev_next_big_word
-    input_keys("aaa b{b}b ccc\C-[0")
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(13)
-    input_keys('W')
-    assert_byte_pointer_size('aaa ')
-    assert_cursor(4)
-    assert_cursor_max(13)
-    input_keys('W')
-    assert_byte_pointer_size('aaa b{b}b ')
-    assert_cursor(10)
-    assert_cursor_max(13)
-    input_keys('W')
-    assert_byte_pointer_size('aaa b{b}b cc')
-    assert_cursor(12)
-    assert_cursor_max(13)
-    input_keys('B')
-    assert_byte_pointer_size('aaa b{b}b ')
-    assert_cursor(10)
-    assert_cursor_max(13)
-    input_keys('B')
-    assert_byte_pointer_size('aaa ')
-    assert_cursor(4)
-    assert_cursor_max(13)
-    input_keys('B')
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(13)
-    input_keys('2W')
-    assert_byte_pointer_size('aaa b{b}b ')
-    assert_cursor(10)
-    assert_cursor_max(13)
-    input_keys('2W')
-    assert_byte_pointer_size('aaa b{b}b cc')
-    assert_cursor(12)
-    assert_cursor_max(13)
-    input_keys('2B')
-    assert_byte_pointer_size('aaa ')
-    assert_cursor(4)
-    assert_cursor_max(13)
-    input_keys('2B')
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(13)
-  end
-
-  def test_vi_end_big_word
-    input_keys("aaa   b{b}}}b   ccc\C-[0")
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(19)
-    input_keys('E')
-    assert_byte_pointer_size('aa')
-    assert_cursor(2)
-    assert_cursor_max(19)
-    input_keys('E')
-    assert_byte_pointer_size('aaa   b{b}}}')
-    assert_cursor(12)
-    assert_cursor_max(19)
-    input_keys('E')
-    assert_byte_pointer_size('aaa   b{b}}}b   cc')
-    assert_cursor(18)
-    assert_cursor_max(19)
-    input_keys('E')
-    assert_byte_pointer_size('aaa   b{b}}}b   cc')
-    assert_cursor(18)
-    assert_cursor_max(19)
-  end
-
-  def test_ed_quoted_insert
-    input_keys("ab\C-v\C-acd")
-    assert_line("ab\C-acd")
-    assert_byte_pointer_size("ab\C-acd")
-    assert_cursor(6)
-    assert_cursor_max(6)
-  end
-
-  def test_ed_quoted_insert_with_vi_arg
-    input_keys("ab\C-[3\C-v\C-aacd")
-    assert_line("a\C-a\C-a\C-abcd")
-    assert_byte_pointer_size("a\C-a\C-a\C-abcd")
-    assert_cursor(10)
-    assert_cursor_max(10)
-  end
-
-  def test_vi_delete_next_char
-    input_keys("abc\C-[h")
-    assert_byte_pointer_size('a')
-    assert_cursor(1)
-    assert_cursor_max(3)
-    assert_line('abc')
-    input_keys('x')
-    assert_byte_pointer_size('a')
-    assert_cursor(1)
-    assert_cursor_max(2)
-    assert_line('ac')
-    input_keys('x')
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(1)
-    assert_line('a')
-    input_keys('x')
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(0)
-    assert_line('')
-    input_keys('x')
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(0)
-    assert_line('')
-  end
-
-  def test_vi_delete_next_char_for_mbchar
-    input_keys("あいう\C-[h")
-    assert_byte_pointer_size('あ')
-    assert_cursor(2)
-    assert_cursor_max(6)
-    assert_line('あいう')
-    input_keys('x')
-    assert_byte_pointer_size('あ')
-    assert_cursor(2)
-    assert_cursor_max(4)
-    assert_line('あう')
-    input_keys('x')
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(2)
-    assert_line('あ')
-    input_keys('x')
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(0)
-    assert_line('')
-    input_keys('x')
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(0)
-    assert_line('')
-  end
-
-  def test_vi_delete_next_char_for_mbchar_by_plural_code_points
-    input_keys("か\u3099き\u3099く\u3099\C-[h")
-    assert_byte_pointer_size("か\u3099")
-    assert_cursor(2)
-    assert_cursor_max(6)
-    assert_line("か\u3099き\u3099く\u3099")
-    input_keys('x')
-    assert_byte_pointer_size("か\u3099")
-    assert_cursor(2)
-    assert_cursor_max(4)
-    assert_line("か\u3099く\u3099")
-    input_keys('x')
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(2)
-    assert_line("か\u3099")
-    input_keys('x')
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(0)
-    assert_line('')
-    input_keys('x')
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(0)
-    assert_line('')
-  end
-
-  def test_vi_delete_prev_char
-    input_keys('ab')
-    assert_byte_pointer_size('ab')
-    assert_cursor(2)
-    assert_cursor_max(2)
-    input_keys("\C-h")
-    assert_byte_pointer_size('a')
-    assert_cursor(1)
-    assert_cursor_max(1)
-    assert_line('a')
-  end
-
-  def test_vi_delete_prev_char_for_mbchar
-    input_keys('かき')
-    assert_byte_pointer_size('かき')
-    assert_cursor(4)
-    assert_cursor_max(4)
-    input_keys("\C-h")
-    assert_byte_pointer_size('か')
-    assert_cursor(2)
-    assert_cursor_max(2)
-    assert_line('か')
-  end
-
-  def test_vi_delete_prev_char_for_mbchar_by_plural_code_points
-    input_keys("か\u3099き\u3099")
-    assert_byte_pointer_size("か\u3099き\u3099")
-    assert_cursor(4)
-    assert_cursor_max(4)
-    input_keys("\C-h")
-    assert_byte_pointer_size("か\u3099")
-    assert_cursor(2)
-    assert_cursor_max(2)
-    assert_line("か\u3099")
-  end
-
-  def test_ed_delete_prev_char
-    input_keys("abcdefg\C-[h")
-    assert_byte_pointer_size('abcde')
-    assert_cursor(5)
-    assert_cursor_max(7)
-    assert_line('abcdefg')
-    input_keys('X')
-    assert_byte_pointer_size('abcd')
-    assert_cursor(4)
-    assert_cursor_max(6)
-    assert_line('abcdfg')
-    input_keys('3X')
-    assert_byte_pointer_size('a')
-    assert_cursor(1)
-    assert_cursor_max(3)
-    assert_line('afg')
-    input_keys('p')
-    assert_byte_pointer_size('abcd')
-    assert_cursor(4)
-    assert_cursor_max(6)
-    assert_line('afbcdg')
-  end
-
-  def test_ed_delete_prev_word
-    input_keys('abc def{bbb}ccc')
-    assert_byte_pointer_size('abc def{bbb}ccc')
-    assert_cursor(15)
-    assert_cursor_max(15)
-    input_keys("\C-w")
-    assert_byte_pointer_size('abc def{bbb}')
-    assert_cursor(12)
-    assert_cursor_max(12)
-    assert_line('abc def{bbb}')
-    input_keys("\C-w")
-    assert_byte_pointer_size('abc def{')
-    assert_cursor(8)
-    assert_cursor_max(8)
-    assert_line('abc def{')
-    input_keys("\C-w")
-    assert_byte_pointer_size('abc ')
-    assert_cursor(4)
-    assert_cursor_max(4)
-    assert_line('abc ')
-    input_keys("\C-w")
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(0)
-    assert_line('')
-  end
-
-  def test_ed_delete_prev_word_for_mbchar
-    input_keys('あいう かきく{さしす}たちつ')
-    assert_byte_pointer_size('あいう かきく{さしす}たちつ')
-    assert_cursor(27)
-    assert_cursor_max(27)
-    input_keys("\C-w")
-    assert_byte_pointer_size('あいう かきく{さしす}')
-    assert_cursor(21)
-    assert_cursor_max(21)
-    assert_line('あいう かきく{さしす}')
-    input_keys("\C-w")
-    assert_byte_pointer_size('あいう かきく{')
-    assert_cursor(14)
-    assert_cursor_max(14)
-    assert_line('あいう かきく{')
-    input_keys("\C-w")
-    assert_byte_pointer_size('あいう ')
-    assert_cursor(7)
-    assert_cursor_max(7)
-    assert_line('あいう ')
-    input_keys("\C-w")
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(0)
-    assert_line('')
-  end
-
-  def test_ed_delete_prev_word_for_mbchar_by_plural_code_points
-    input_keys("あいう か\u3099き\u3099く\u3099{さしす}たちつ")
-    assert_byte_pointer_size("あいう か\u3099き\u3099く\u3099{さしす}たちつ")
-    assert_cursor(27)
-    assert_cursor_max(27)
-    input_keys("\C-w")
-    assert_byte_pointer_size("あいう か\u3099き\u3099く\u3099{さしす}")
-    assert_cursor(21)
-    assert_cursor_max(21)
-    assert_line("あいう か\u3099き\u3099く\u3099{さしす}")
-    input_keys("\C-w")
-    assert_byte_pointer_size("あいう か\u3099き\u3099く\u3099{")
-    assert_cursor(14)
-    assert_cursor_max(14)
-    assert_line("あいう か\u3099き\u3099く\u3099{")
-    input_keys("\C-w")
-    assert_byte_pointer_size('あいう ')
-    assert_cursor(7)
-    assert_cursor_max(7)
-    assert_line('あいう ')
-    input_keys("\C-w")
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(0)
-    assert_line('')
-  end
-
-  def test_ed_newline_with_cr
-    input_keys('ab')
-    assert_byte_pointer_size('ab')
-    assert_cursor(2)
-    assert_cursor_max(2)
-    refute(@line_editor.finished?)
-    input_keys("\C-m")
-    assert_line('ab')
-    assert(@line_editor.finished?)
-  end
-
-  def test_ed_newline_with_lf
-    input_keys('ab')
-    assert_byte_pointer_size('ab')
-    assert_cursor(2)
-    assert_cursor_max(2)
-    refute(@line_editor.finished?)
-    input_keys("\C-j")
-    assert_line('ab')
-    assert(@line_editor.finished?)
-  end
-
-  def test_vi_list_or_eof
-    input_keys('a')
-    assert_byte_pointer_size('a')
-    assert_cursor(1)
-    assert_cursor_max(1)
-    refute(@line_editor.finished?)
-    input_keys("\C-d")
-    assert_line('a')
-    refute(@line_editor.finished?)
-    input_keys("\C-h\C-d")
-    assert_line(nil)
-    assert(@line_editor.finished?)
-  end
-
-  def test_completion_journey
-    @line_editor.completion_proc = proc { |word|
-      %w{
-        foo_bar
-        foo_bar_baz
-      }
-    }
-    input_keys('foo')
-    assert_byte_pointer_size('foo')
-    assert_cursor(3)
-    assert_cursor_max(3)
-    assert_line('foo')
-    input_keys("\C-n")
-    assert_byte_pointer_size('foo')
-    assert_cursor(3)
-    assert_cursor_max(3)
-    assert_line('foo')
-    input_keys("\C-n")
-    assert_byte_pointer_size('foo_bar')
-    assert_cursor(7)
-    assert_cursor_max(7)
-    assert_line('foo_bar')
-    input_keys("\C-n")
-    assert_byte_pointer_size('foo_bar_baz')
-    assert_cursor(11)
-    assert_cursor_max(11)
-    assert_line('foo_bar_baz')
-    input_keys("\C-n")
-    assert_byte_pointer_size('foo')
-    assert_cursor(3)
-    assert_cursor_max(3)
-    assert_line('foo')
-    input_keys("\C-n")
-    assert_byte_pointer_size('foo_bar')
-    assert_cursor(7)
-    assert_cursor_max(7)
-    assert_line('foo_bar')
-    input_keys("_\C-n")
-    assert_byte_pointer_size('foo_bar_')
-    assert_cursor(8)
-    assert_cursor_max(8)
-    assert_line('foo_bar_')
-    input_keys("\C-n")
-    assert_byte_pointer_size('foo_bar_baz')
-    assert_cursor(11)
-    assert_cursor_max(11)
-    assert_line('foo_bar_baz')
-    input_keys("\C-n")
-    assert_byte_pointer_size('foo_bar_')
-    assert_cursor(8)
-    assert_cursor_max(8)
-    assert_line('foo_bar_')
-  end
-
-  def test_completion_journey_reverse
-    @line_editor.completion_proc = proc { |word|
-      %w{
-        foo_bar
-        foo_bar_baz
-      }
-    }
-    input_keys('foo')
-    assert_byte_pointer_size('foo')
-    assert_cursor(3)
-    assert_cursor_max(3)
-    assert_line('foo')
-    input_keys("\C-p")
-    assert_byte_pointer_size('foo')
-    assert_cursor(3)
-    assert_cursor_max(3)
-    assert_line('foo')
-    input_keys("\C-p")
-    assert_byte_pointer_size('foo_bar_baz')
-    assert_cursor(11)
-    assert_cursor_max(11)
-    assert_line('foo_bar_baz')
-    input_keys("\C-p")
-    assert_byte_pointer_size('foo_bar')
-    assert_cursor(7)
-    assert_cursor_max(7)
-    assert_line('foo_bar')
-    input_keys("\C-p")
-    assert_byte_pointer_size('foo')
-    assert_cursor(3)
-    assert_cursor_max(3)
-    assert_line('foo')
-    input_keys("\C-p")
-    assert_byte_pointer_size('foo_bar_baz')
-    assert_cursor(11)
-    assert_cursor_max(11)
-    assert_line('foo_bar_baz')
-    input_keys("\C-h\C-p")
-    assert_byte_pointer_size('foo_bar_ba')
-    assert_cursor(10)
-    assert_cursor_max(10)
-    assert_line('foo_bar_ba')
-    input_keys("\C-p")
-    assert_byte_pointer_size('foo_bar_baz')
-    assert_cursor(11)
-    assert_cursor_max(11)
-    assert_line('foo_bar_baz')
-    input_keys("\C-p")
-    assert_byte_pointer_size('foo_bar_ba')
-    assert_cursor(10)
-    assert_cursor_max(10)
-    assert_line('foo_bar_ba')
-  end
-
-  def test_completion_journey_in_middle_of_line
-    @line_editor.completion_proc = proc { |word|
-      %w{
-        foo_bar
-        foo_bar_baz
-      }
-    }
-    input_keys('abcde fo ABCDE')
-    assert_line('abcde fo ABCDE')
-    input_keys("\C-[" + 'h' * 5 + "i\C-n")
-    assert_byte_pointer_size('abcde fo')
-    assert_cursor(8)
-    assert_cursor_max(14)
-    assert_line('abcde fo ABCDE')
-    input_keys("\C-n")
-    assert_byte_pointer_size('abcde foo_bar')
-    assert_cursor(13)
-    assert_cursor_max(19)
-    assert_line('abcde foo_bar ABCDE')
-    input_keys("\C-n")
-    assert_byte_pointer_size('abcde foo_bar_baz')
-    assert_cursor(17)
-    assert_cursor_max(23)
-    assert_line('abcde foo_bar_baz ABCDE')
-    input_keys("\C-n")
-    assert_byte_pointer_size('abcde fo')
-    assert_cursor(8)
-    assert_cursor_max(14)
-    assert_line('abcde fo ABCDE')
-    input_keys("\C-n")
-    assert_byte_pointer_size('abcde foo_bar')
-    assert_cursor(13)
-    assert_cursor_max(19)
-    assert_line('abcde foo_bar ABCDE')
-    input_keys("_\C-n")
-    assert_byte_pointer_size('abcde foo_bar_')
-    assert_cursor(14)
-    assert_cursor_max(20)
-    assert_line('abcde foo_bar_ ABCDE')
-    input_keys("\C-n")
-    assert_byte_pointer_size('abcde foo_bar_baz')
-    assert_cursor(17)
-    assert_cursor_max(23)
-    assert_line('abcde foo_bar_baz ABCDE')
-    input_keys("\C-n")
-    assert_byte_pointer_size('abcde foo_bar_')
-    assert_cursor(14)
-    assert_cursor_max(20)
-    assert_line('abcde foo_bar_ ABCDE')
-    input_keys("\C-n")
-    assert_byte_pointer_size('abcde foo_bar_baz')
-    assert_cursor(17)
-    assert_cursor_max(23)
-    assert_line('abcde foo_bar_baz ABCDE')
-  end
-
-  def test_ed_move_to_beg
-    input_keys("abcde\C-[^")
-    assert_byte_pointer_size('')
-    assert_cursor(0)
-    assert_cursor_max(5)
-    input_keys("0\C-ki")
-    input_keys(" abcde\C-[^")
-    assert_byte_pointer_size(' ')
-    assert_cursor(1)
-    assert_cursor_max(6)
-    input_keys("0\C-ki")
-    input_keys("   abcde  ABCDE  \C-[^")
-    assert_byte_pointer_size('   ')
-    assert_cursor(3)
-    assert_cursor_max(17)
-  end
-
-  def test_vi_delete_meta
-    input_keys("aaa bbb ccc ddd eee\C-[02w")
-    assert_byte_pointer_size('aaa bbb ')
-    assert_cursor(8)
-    assert_cursor_max(19)
-    assert_line('aaa bbb ccc ddd eee')
-    input_keys('dw')
-    assert_byte_pointer_size('aaa bbb ')
-    assert_cursor(8)
-    assert_cursor_max(15)
-    assert_line('aaa bbb ddd eee')
-    input_keys('db')
-    assert_byte_pointer_size('aaa ')
-    assert_cursor(4)
-    assert_cursor_max(11)
-    assert_line('aaa ddd eee')
-  end
-end
diff --git a/test/reline/key_stroke_test.rb b/test/reline/key_stroke_test.rb
deleted file mode 100644
index b6d5ce4150..0000000000
--- a/test/reline/key_stroke_test.rb
+++ /dev/null
@@ -1,51 +0,0 @@
-require_relative 'helper'
-
-class Reline::KeyStroke::Test < Reline::TestCase
-  using Module.new {
-    refine Array do
-      def as_s
-        map(&:chr).join
-      end
-    end
-  }
-
-  def test_input_to!
-    config = {
-      key_mapping: {
-        "a" => "xx",
-        "ab" => "y",
-        "abc" => "z",
-        "x" => "rr"
-      }
-    }
-    stroke = Reline::KeyStroke.new(config)
-    result = ("abzwabk".bytes).map { |char|
-      stroke.input_to!(char)&.then { |result|
-        "#{result.as_s}"
-      }
-    }
-    assert_equal(result, [nil, nil, "yz", "w", nil, nil, "yk"])
-  end
-
-  def test_input_to
-    config = {
-      key_mapping: {
-        "a" => "xx",
-        "ab" => "y",
-        "abc" => "z",
-        "x" => "rr"
-      }
-    }
-    stroke = Reline::KeyStroke.new(config)
-    assert_equal(stroke.input_to("a".bytes)&.as_s, nil)
-    assert_equal(stroke.input_to("ab".bytes)&.as_s, nil)
-    assert_equal(stroke.input_to("abc".bytes)&.as_s, "z")
-    assert_equal(stroke.input_to("abz".bytes)&.as_s, "yz")
-    assert_equal(stroke.input_to("abx".bytes)&.as_s, "yrr")
-    assert_equal(stroke.input_to("ac".bytes)&.as_s, "rrrrc")
-    assert_equal(stroke.input_to("aa".bytes)&.as_s, "rrrrrrrr")
-    assert_equal(stroke.input_to("x".bytes)&.as_s, "rr")
-    assert_equal(stroke.input_to("m".bytes)&.as_s, "m")
-    assert_equal(stroke.input_to("abzwabk".bytes)&.as_s, "yzwabk")
-  end
-end
diff --git a/test/reline/kill_ring_test.rb b/test/reline/kill_ring_test.rb
deleted file mode 100644
index 8bebfe2177..0000000000
--- a/test/reline/kill_ring_test.rb
+++ /dev/null
@@ -1,256 +0,0 @@
-require_relative 'helper'
-
-class Reline::KillRing::Test < Reline::TestCase
-  def setup
-    @prompt = '> '
-    @kill_ring = Reline::KillRing.new
-  end
-
-  def test_append_one
-    assert_equal(Reline::KillRing::State::FRESH, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.append('a')
-    assert_equal(Reline::KillRing::State::CONTINUED, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.process
-    assert_equal(Reline::KillRing::State::PROCESSED, @kill_ring.instance_variable_get(:@state))
-    assert_equal('a', @kill_ring.yank)
-    assert_equal(Reline::KillRing::State::YANK, @kill_ring.instance_variable_get(:@state))
-    assert_equal('a', @kill_ring.yank)
-    assert_equal(Reline::KillRing::State::YANK, @kill_ring.instance_variable_get(:@state))
-    assert_equal(['a', 'a'], @kill_ring.yank_pop)
-    assert_equal(Reline::KillRing::State::YANK, @kill_ring.instance_variable_get(:@state))
-    assert_equal(['a', 'a'], @kill_ring.yank_pop)
-    assert_equal(Reline::KillRing::State::YANK, @kill_ring.instance_variable_get(:@state))
-  end
-
-  def test_append_two
-    assert_equal(Reline::KillRing::State::FRESH, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.append('a')
-    assert_equal(Reline::KillRing::State::CONTINUED, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.process
-    assert_equal(Reline::KillRing::State::PROCESSED, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.process
-    assert_equal(Reline::KillRing::State::FRESH, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.append('b')
-    assert_equal(Reline::KillRing::State::CONTINUED, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.process
-    assert_equal(Reline::KillRing::State::PROCESSED, @kill_ring.instance_variable_get(:@state))
-    assert_equal('b', @kill_ring.yank)
-    assert_equal(Reline::KillRing::State::YANK, @kill_ring.instance_variable_get(:@state))
-    assert_equal('b', @kill_ring.yank)
-    assert_equal(Reline::KillRing::State::YANK, @kill_ring.instance_variable_get(:@state))
-    assert_equal(['a', 'b'], @kill_ring.yank_pop)
-    assert_equal(Reline::KillRing::State::YANK, @kill_ring.instance_variable_get(:@state))
-    assert_equal(['b', 'a'], @kill_ring.yank_pop)
-    assert_equal(Reline::KillRing::State::YANK, @kill_ring.instance_variable_get(:@state))
-  end
-
-  def test_append_three
-    assert_equal(Reline::KillRing::State::FRESH, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.append('a')
-    assert_equal(Reline::KillRing::State::CONTINUED, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.process
-    assert_equal(Reline::KillRing::State::PROCESSED, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.process
-    assert_equal(Reline::KillRing::State::FRESH, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.append('b')
-    assert_equal(Reline::KillRing::State::CONTINUED, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.process
-    assert_equal(Reline::KillRing::State::PROCESSED, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.process
-    assert_equal(Reline::KillRing::State::FRESH, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.append('c')
-    assert_equal(Reline::KillRing::State::CONTINUED, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.process
-    assert_equal(Reline::KillRing::State::PROCESSED, @kill_ring.instance_variable_get(:@state))
-    assert_equal('c', @kill_ring.yank)
-    assert_equal(Reline::KillRing::State::YANK, @kill_ring.instance_variable_get(:@state))
-    assert_equal('c', @kill_ring.yank)
-    assert_equal(Reline::KillRing::State::YANK, @kill_ring.instance_variable_get(:@state))
-    assert_equal(['b', 'c'], @kill_ring.yank_pop)
-    assert_equal(Reline::KillRing::State::YANK, @kill_ring.instance_variable_get(:@state))
-    assert_equal(['a', 'b'], @kill_ring.yank_pop)
-    assert_equal(Reline::KillRing::State::YANK, @kill_ring.instance_variable_get(:@state))
-    assert_equal(['c', 'a'], @kill_ring.yank_pop)
-    assert_equal(Reline::KillRing::State::YANK, @kill_ring.instance_variable_get(:@state))
-  end
-
-  def test_append_three_with_max_two
-    @kill_ring = Reline::KillRing.new(2)
-    assert_equal(Reline::KillRing::State::FRESH, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.append('a')
-    assert_equal(Reline::KillRing::State::CONTINUED, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.process
-    assert_equal(Reline::KillRing::State::PROCESSED, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.process
-    assert_equal(Reline::KillRing::State::FRESH, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.append('b')
-    assert_equal(Reline::KillRing::State::CONTINUED, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.process
-    assert_equal(Reline::KillRing::State::PROCESSED, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.process
-    assert_equal(Reline::KillRing::State::FRESH, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.append('c')
-    assert_equal(Reline::KillRing::State::CONTINUED, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.process
-    assert_equal(Reline::KillRing::State::PROCESSED, @kill_ring.instance_variable_get(:@state))
-    assert_equal('c', @kill_ring.yank)
-    assert_equal(Reline::KillRing::State::YANK, @kill_ring.instance_variable_get(:@state))
-    assert_equal('c', @kill_ring.yank)
-    assert_equal(Reline::KillRing::State::YANK, @kill_ring.instance_variable_get(:@state))
-    assert_equal(['b', 'c'], @kill_ring.yank_pop)
-    assert_equal(Reline::KillRing::State::YANK, @kill_ring.instance_variable_get(:@state))
-    assert_equal(['c', 'b'], @kill_ring.yank_pop)
-    assert_equal(Reline::KillRing::State::YANK, @kill_ring.instance_variable_get(:@state))
-    assert_equal(['b', 'c'], @kill_ring.yank_pop)
-    assert_equal(Reline::KillRing::State::YANK, @kill_ring.instance_variable_get(:@state))
-  end
-
-  def test_append_four_with_max_two
-    @kill_ring = Reline::KillRing.new(2)
-    assert_equal(Reline::KillRing::State::FRESH, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.append('a')
-    assert_equal(Reline::KillRing::State::CONTINUED, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.process
-    assert_equal(Reline::KillRing::State::PROCESSED, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.process
-    assert_equal(Reline::KillRing::State::FRESH, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.append('b')
-    assert_equal(Reline::KillRing::State::CONTINUED, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.process
-    assert_equal(Reline::KillRing::State::PROCESSED, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.process
-    assert_equal(Reline::KillRing::State::FRESH, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.append('c')
-    assert_equal(Reline::KillRing::State::CONTINUED, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.process
-    assert_equal(Reline::KillRing::State::PROCESSED, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.process
-    assert_equal(Reline::KillRing::State::FRESH, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.append('d')
-    assert_equal(Reline::KillRing::State::CONTINUED, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.process
-    assert_equal(Reline::KillRing::State::PROCESSED, @kill_ring.instance_variable_get(:@state))
-    assert_equal('d', @kill_ring.yank)
-    assert_equal(Reline::KillRing::State::YANK, @kill_ring.instance_variable_get(:@state))
-    assert_equal('d', @kill_ring.yank)
-    assert_equal(Reline::KillRing::State::YANK, @kill_ring.instance_variable_get(:@state))
-    assert_equal(['c', 'd'], @kill_ring.yank_pop)
-    assert_equal(Reline::KillRing::State::YANK, @kill_ring.instance_variable_get(:@state))
-    assert_equal(['d', 'c'], @kill_ring.yank_pop)
-    assert_equal(Reline::KillRing::State::YANK, @kill_ring.instance_variable_get(:@state))
-    assert_equal(['c', 'd'], @kill_ring.yank_pop)
-    assert_equal(Reline::KillRing::State::YANK, @kill_ring.instance_variable_get(:@state))
-  end
-
-  def test_append_after
-    assert_equal(Reline::KillRing::State::FRESH, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.append('a')
-    assert_equal(Reline::KillRing::State::CONTINUED, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.process
-    assert_equal(Reline::KillRing::State::PROCESSED, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.append('b')
-    assert_equal(Reline::KillRing::State::CONTINUED, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.process
-    assert_equal(Reline::KillRing::State::PROCESSED, @kill_ring.instance_variable_get(:@state))
-    assert_equal('ab', @kill_ring.yank)
-    assert_equal(Reline::KillRing::State::YANK, @kill_ring.instance_variable_get(:@state))
-    assert_equal('ab', @kill_ring.yank)
-    assert_equal(Reline::KillRing::State::YANK, @kill_ring.instance_variable_get(:@state))
-    assert_equal(['ab', 'ab'], @kill_ring.yank_pop)
-    assert_equal(Reline::KillRing::State::YANK, @kill_ring.instance_variable_get(:@state))
-    assert_equal(['ab', 'ab'], @kill_ring.yank_pop)
-    assert_equal(Reline::KillRing::State::YANK, @kill_ring.instance_variable_get(:@state))
-  end
-
-  def test_append_before
-    assert_equal(Reline::KillRing::State::FRESH, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.append('a')
-    assert_equal(Reline::KillRing::State::CONTINUED, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.process
-    assert_equal(Reline::KillRing::State::PROCESSED, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.append('b', true)
-    assert_equal(Reline::KillRing::State::CONTINUED, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.process
-    assert_equal(Reline::KillRing::State::PROCESSED, @kill_ring.instance_variable_get(:@state))
-    assert_equal('ba', @kill_ring.yank)
-    assert_equal(Reline::KillRing::State::YANK, @kill_ring.instance_variable_get(:@state))
-    assert_equal('ba', @kill_ring.yank)
-    assert_equal(Reline::KillRing::State::YANK, @kill_ring.instance_variable_get(:@state))
-    assert_equal(['ba', 'ba'], @kill_ring.yank_pop)
-    assert_equal(Reline::KillRing::State::YANK, @kill_ring.instance_variable_get(:@state))
-    assert_equal(['ba', 'ba'], @kill_ring.yank_pop)
-    assert_equal(Reline::KillRing::State::YANK, @kill_ring.instance_variable_get(:@state))
-  end
-
-  def test_append_chain_two
-    assert_equal(Reline::KillRing::State::FRESH, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.append('a')
-    assert_equal(Reline::KillRing::State::CONTINUED, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.process
-    assert_equal(Reline::KillRing::State::PROCESSED, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.append('b')
-    assert_equal(Reline::KillRing::State::CONTINUED, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.process
-    assert_equal(Reline::KillRing::State::PROCESSED, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.process
-    assert_equal(Reline::KillRing::State::FRESH, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.append('c')
-    assert_equal(Reline::KillRing::State::CONTINUED, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.process
-    assert_equal(Reline::KillRing::State::PROCESSED, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.append('d')
-    assert_equal(Reline::KillRing::State::CONTINUED, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.process
-    assert_equal(Reline::KillRing::State::PROCESSED, @kill_ring.instance_variable_get(:@state))
-    assert_equal('cd', @kill_ring.yank)
-    assert_equal(Reline::KillRing::State::YANK, @kill_ring.instance_variable_get(:@state))
-    assert_equal('cd', @kill_ring.yank)
-    assert_equal(Reline::KillRing::State::YANK, @kill_ring.instance_variable_get(:@state))
-    assert_equal(['ab', 'cd'], @kill_ring.yank_pop)
-    assert_equal(Reline::KillRing::State::YANK, @kill_ring.instance_variable_get(:@state))
-    assert_equal(['cd', 'ab'], @kill_ring.yank_pop)
-    assert_equal(Reline::KillRing::State::YANK, @kill_ring.instance_variable_get(:@state))
-  end
-
-  def test_append_complex_chain
-    assert_equal(Reline::KillRing::State::FRESH, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.append('c')
-    assert_equal(Reline::KillRing::State::CONTINUED, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.process
-    assert_equal(Reline::KillRing::State::PROCESSED, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.append('d')
-    assert_equal(Reline::KillRing::State::CONTINUED, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.process
-    assert_equal(Reline::KillRing::State::PROCESSED, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.append('b', true)
-    assert_equal(Reline::KillRing::State::CONTINUED, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.process
-    assert_equal(Reline::KillRing::State::PROCESSED, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.append('e')
-    assert_equal(Reline::KillRing::State::CONTINUED, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.process
-    assert_equal(Reline::KillRing::State::PROCESSED, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.append('a', true)
-    assert_equal(Reline::KillRing::State::CONTINUED, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.process
-    assert_equal(Reline::KillRing::State::PROCESSED, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.process
-    assert_equal(Reline::KillRing::State::FRESH, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.append('A')
-    assert_equal(Reline::KillRing::State::CONTINUED, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.process
-    assert_equal(Reline::KillRing::State::PROCESSED, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.append('B')
-    assert_equal(Reline::KillRing::State::CONTINUED, @kill_ring.instance_variable_get(:@state))
-    @kill_ring.process
-    assert_equal(Reline::KillRing::State::PROCESSED, @kill_ring.instance_variable_get(:@state))
-    assert_equal('AB', @kill_ring.yank)
-    assert_equal(Reline::KillRing::State::YANK, @kill_ring.instance_variable_get(:@state))
-    assert_equal('AB', @kill_ring.yank)
-    assert_equal(Reline::KillRing::State::YANK, @kill_ring.instance_variable_get(:@state))
-    assert_equal(['abcde', 'AB'], @kill_ring.yank_pop)
-    assert_equal(Reline::KillRing::State::YANK, @kill_ring.instance_variable_get(:@state))
-    assert_equal(['AB', 'abcde'], @kill_ring.yank_pop)
-    assert_equal(Reline::KillRing::State::YANK, @kill_ring.instance_variable_get(:@state))
-  end
-end