Migrate irb and reline to the bundled gems

1 files changed, 0 insertions, 967 deletions

diff --git a/test/reline/test_key_actor_vi.rb b/test/reline/test_key_actor_vi.rb
deleted file mode 100644
index 083433f9a8..0000000000
--- a/test/reline/test_key_actor_vi.rb
+++ /dev/null
@@ -1,967 +0,0 @@
-require_relative 'helper'
-
-class Reline::ViInsertTest < Reline::TestCase
-  def setup
-    Reline.send(:test_mode)
-    @prompt = '> '
-    @config = Reline::Config.new
-    @config.read_lines(<<~LINES.split(/(?<=\n)/))
-      set editing-mode vi
-    LINES
-    @encoding = Reline.core.encoding
-    @line_editor = Reline::LineEditor.new(@config)
-    @line_editor.reset(@prompt)
-  end
-
-  def editing_mode_label
-    @config.instance_variable_get(:@editing_mode_label)
-  end
-
-  def teardown
-    Reline.test_reset
-  end
-
-  def test_vi_command_mode
-    input_keys("\C-[")
-    assert_equal(:vi_command, editing_mode_label)
-  end
-
-  def test_vi_command_mode_with_input
-    input_keys("abc\C-[")
-    assert_equal(:vi_command, editing_mode_label)
-    assert_line_around_cursor('ab', 'c')
-  end
-
-  def test_vi_insert
-    assert_equal(:vi_insert, editing_mode_label)
-    input_keys('i')
-    assert_line_around_cursor('i', '')
-    assert_equal(:vi_insert, editing_mode_label)
-    input_keys("\C-[")
-    assert_line_around_cursor('', 'i')
-    assert_equal(:vi_command, editing_mode_label)
-    input_keys('i')
-    assert_line_around_cursor('', 'i')
-    assert_equal(:vi_insert, editing_mode_label)
-  end
-
-  def test_vi_add
-    assert_equal(:vi_insert, editing_mode_label)
-    input_keys('a')
-    assert_line_around_cursor('a', '')
-    assert_equal(:vi_insert, editing_mode_label)
-    input_keys("\C-[")
-    assert_line_around_cursor('', 'a')
-    assert_equal(:vi_command, editing_mode_label)
-    input_keys('a')
-    assert_line_around_cursor('a', '')
-    assert_equal(:vi_insert, editing_mode_label)
-  end
-
-  def test_vi_insert_at_bol
-    input_keys('I')
-    assert_line_around_cursor('I', '')
-    assert_equal(:vi_insert, editing_mode_label)
-    input_keys("12345\C-[hh")
-    assert_line_around_cursor('I12', '345')
-    assert_equal(:vi_command, editing_mode_label)
-    input_keys('I')
-    assert_line_around_cursor('', 'I12345')
-    assert_equal(:vi_insert, editing_mode_label)
-  end
-
-  def test_vi_add_at_eol
-    input_keys('A')
-    assert_line_around_cursor('A', '')
-    assert_equal(:vi_insert, editing_mode_label)
-    input_keys("12345\C-[hh")
-    assert_line_around_cursor('A12', '345')
-    assert_equal(:vi_command, editing_mode_label)
-    input_keys('A')
-    assert_line_around_cursor('A12345', '')
-    assert_equal(:vi_insert, editing_mode_label)
-  end
-
-  def test_ed_insert_one
-    input_keys('a')
-    assert_line_around_cursor('a', '')
-  end
-
-  def test_ed_insert_two
-    input_keys('ab')
-    assert_line_around_cursor('ab', '')
-  end
-
-  def test_ed_insert_mbchar_one
-    input_keys('か')
-    assert_line_around_cursor('か', '')
-  end
-
-  def test_ed_insert_mbchar_two
-    input_keys('かき')
-    assert_line_around_cursor('かき', '')
-  end
-
-  def test_ed_insert_for_mbchar_by_plural_code_points
-    omit_unless_utf8
-    input_keys("か\u3099")
-    assert_line_around_cursor("か\u3099", '')
-  end
-
-  def test_ed_insert_for_plural_mbchar_by_plural_code_points
-    omit_unless_utf8
-    input_keys("か\u3099き\u3099")
-    assert_line_around_cursor("か\u3099き\u3099", '')
-  end
-
-  def test_ed_insert_ignore_in_vi_command
-    input_keys("\C-[")
-    chars_to_be_ignored = "\C-Oあ=".chars
-    input_keys(chars_to_be_ignored.join)
-    assert_line_around_cursor('', '')
-    input_keys(chars_to_be_ignored.map {|c| "5#{c}" }.join)
-    assert_line_around_cursor('', '')
-    input_keys('iい')
-    assert_line_around_cursor("い", '')
-  end
-
-  def test_ed_next_char
-    input_keys("abcdef\C-[0")
-    assert_line_around_cursor('', 'abcdef')
-    input_keys('l')
-    assert_line_around_cursor('a', 'bcdef')
-    input_keys('2l')
-    assert_line_around_cursor('abc', 'def')
-  end
-
-  def test_ed_prev_char
-    input_keys("abcdef\C-[")
-    assert_line_around_cursor('abcde', 'f')
-    input_keys('h')
-    assert_line_around_cursor('abcd', 'ef')
-    input_keys('2h')
-    assert_line_around_cursor('ab', 'cdef')
-  end
-
-  def test_history
-    Reline::HISTORY.concat(%w{abc 123 AAA})
-    input_keys("\C-[")
-    assert_line_around_cursor('', '')
-    input_keys('k')
-    assert_line_around_cursor('', 'AAA')
-    input_keys('2k')
-    assert_line_around_cursor('', 'abc')
-    input_keys('j')
-    assert_line_around_cursor('', '123')
-    input_keys('2j')
-    assert_line_around_cursor('', '')
-  end
-
-  def test_vi_paste_prev
-    input_keys("abcde\C-[3h")
-    assert_line_around_cursor('a', 'bcde')
-    input_keys('P')
-    assert_line_around_cursor('a', 'bcde')
-    input_keys('d$')
-    assert_line_around_cursor('', 'a')
-    input_keys('P')
-    assert_line_around_cursor('bcd', 'ea')
-    input_keys('2P')
-    assert_line_around_cursor('bcdbcdbcd', 'eeea')
-  end
-
-  def test_vi_paste_next
-    input_keys("abcde\C-[3h")
-    assert_line_around_cursor('a', 'bcde')
-    input_keys('p')
-    assert_line_around_cursor('a', 'bcde')
-    input_keys('d$')
-    assert_line_around_cursor('', 'a')
-    input_keys('p')
-    assert_line_around_cursor('abcd', 'e')
-    input_keys('2p')
-    assert_line_around_cursor('abcdebcdebcd', 'e')
-  end
-
-  def test_vi_paste_prev_for_mbchar
-    input_keys("あいうえお\C-[3h")
-    assert_line_around_cursor('あ', 'いうえお')
-    input_keys('P')
-    assert_line_around_cursor('あ', 'いうえお')
-    input_keys('d$')
-    assert_line_around_cursor('', 'あ')
-    input_keys('P')
-    assert_line_around_cursor('いうえ', 'おあ')
-    input_keys('2P')
-    assert_line_around_cursor('いうえいうえいうえ', 'おおおあ')
-  end
-
-  def test_vi_paste_next_for_mbchar
-    input_keys("あいうえお\C-[3h")
-    assert_line_around_cursor('あ', 'いうえお')
-    input_keys('p')
-    assert_line_around_cursor('あ', 'いうえお')
-    input_keys('d$')
-    assert_line_around_cursor('', 'あ')
-    input_keys('p')
-    assert_line_around_cursor('あいうえ', 'お')
-    input_keys('2p')
-    assert_line_around_cursor('あいうえおいうえおいうえ', 'お')
-  end
-
-  def test_vi_paste_prev_for_mbchar_by_plural_code_points
-    omit_unless_utf8
-    input_keys("か\u3099き\u3099く\u3099け\u3099こ\u3099\C-[3h")
-    assert_line_around_cursor("か\u3099", "き\u3099く\u3099け\u3099こ\u3099")
-    input_keys('P')
-    assert_line_around_cursor("か\u3099", "き\u3099く\u3099け\u3099こ\u3099")
-    input_keys('d$')
-    assert_line_around_cursor('', "か\u3099")
-    input_keys('P')
-    assert_line_around_cursor("き\u3099く\u3099け\u3099", "こ\u3099か\u3099")
-    input_keys('2P')
-    assert_line_around_cursor("き\u3099く\u3099け\u3099き\u3099く\u3099け\u3099き\u3099く\u3099け\u3099", "こ\u3099こ\u3099こ\u3099か\u3099")
-  end
-
-  def test_vi_paste_next_for_mbchar_by_plural_code_points
-    omit_unless_utf8
-    input_keys("か\u3099き\u3099く\u3099け\u3099こ\u3099\C-[3h")
-    assert_line_around_cursor("か\u3099", "き\u3099く\u3099け\u3099こ\u3099")
-    input_keys('p')
-    assert_line_around_cursor("か\u3099", "き\u3099く\u3099け\u3099こ\u3099")
-    input_keys('d$')
-    assert_line_around_cursor('', "か\u3099")
-    input_keys('p')
-    assert_line_around_cursor("か\u3099き\u3099く\u3099け\u3099", "こ\u3099")
-    input_keys('2p')
-    assert_line_around_cursor("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")
-  end
-
-  def test_vi_prev_next_word
-    input_keys("aaa b{b}b ccc\C-[0")
-    assert_line_around_cursor('', 'aaa b{b}b ccc')
-    input_keys('w')
-    assert_line_around_cursor('aaa ', 'b{b}b ccc')
-    input_keys('w')
-    assert_line_around_cursor('aaa b', '{b}b ccc')
-    input_keys('w')
-    assert_line_around_cursor('aaa b{', 'b}b ccc')
-    input_keys('w')
-    assert_line_around_cursor('aaa b{b', '}b ccc')
-    input_keys('w')
-    assert_line_around_cursor('aaa b{b}', 'b ccc')
-    input_keys('w')
-    assert_line_around_cursor('aaa b{b}b ', 'ccc')
-    input_keys('w')
-    assert_line_around_cursor('aaa b{b}b cc', 'c')
-    input_keys('b')
-    assert_line_around_cursor('aaa b{b}b ', 'ccc')
-    input_keys('b')
-    assert_line_around_cursor('aaa b{b}', 'b ccc')
-    input_keys('b')
-    assert_line_around_cursor('aaa b{b', '}b ccc')
-    input_keys('b')
-    assert_line_around_cursor('aaa b{', 'b}b ccc')
-    input_keys('b')
-    assert_line_around_cursor('aaa b', '{b}b ccc')
-    input_keys('b')
-    assert_line_around_cursor('aaa ', 'b{b}b ccc')
-    input_keys('b')
-    assert_line_around_cursor('', 'aaa b{b}b ccc')
-    input_keys('3w')
-    assert_line_around_cursor('aaa b{', 'b}b ccc')
-    input_keys('3w')
-    assert_line_around_cursor('aaa b{b}b ', 'ccc')
-    input_keys('3w')
-    assert_line_around_cursor('aaa b{b}b cc', 'c')
-    input_keys('3b')
-    assert_line_around_cursor('aaa b{b', '}b ccc')
-    input_keys('3b')
-    assert_line_around_cursor('aaa ', 'b{b}b ccc')
-    input_keys('3b')
-    assert_line_around_cursor('', 'aaa b{b}b ccc')
-  end
-
-  def test_vi_end_word
-    input_keys("aaa   b{b}}}b   ccc\C-[0")
-    assert_line_around_cursor('', 'aaa   b{b}}}b   ccc')
-    input_keys('e')
-    assert_line_around_cursor('aa', 'a   b{b}}}b   ccc')
-    input_keys('e')
-    assert_line_around_cursor('aaa   ', 'b{b}}}b   ccc')
-    input_keys('e')
-    assert_line_around_cursor('aaa   b', '{b}}}b   ccc')
-    input_keys('e')
-    assert_line_around_cursor('aaa   b{', 'b}}}b   ccc')
-    input_keys('e')
-    assert_line_around_cursor('aaa   b{b}}', '}b   ccc')
-    input_keys('e')
-    assert_line_around_cursor('aaa   b{b}}}', 'b   ccc')
-    input_keys('e')
-    assert_line_around_cursor('aaa   b{b}}}b   cc', 'c')
-    input_keys('e')
-    assert_line_around_cursor('aaa   b{b}}}b   cc', 'c')
-    input_keys('03e')
-    assert_line_around_cursor('aaa   b', '{b}}}b   ccc')
-    input_keys('3e')
-    assert_line_around_cursor('aaa   b{b}}}', 'b   ccc')
-    input_keys('3e')
-    assert_line_around_cursor('aaa   b{b}}}b   cc', 'c')
-  end
-
-  def test_vi_prev_next_big_word
-    input_keys("aaa b{b}b ccc\C-[0")
-    assert_line_around_cursor('', 'aaa b{b}b ccc')
-    input_keys('W')
-    assert_line_around_cursor('aaa ', 'b{b}b ccc')
-    input_keys('W')
-    assert_line_around_cursor('aaa b{b}b ', 'ccc')
-    input_keys('W')
-    assert_line_around_cursor('aaa b{b}b cc', 'c')
-    input_keys('B')
-    assert_line_around_cursor('aaa b{b}b ', 'ccc')
-    input_keys('B')
-    assert_line_around_cursor('aaa ', 'b{b}b ccc')
-    input_keys('B')
-    assert_line_around_cursor('', 'aaa b{b}b ccc')
-    input_keys('2W')
-    assert_line_around_cursor('aaa b{b}b ', 'ccc')
-    input_keys('2W')
-    assert_line_around_cursor('aaa b{b}b cc', 'c')
-    input_keys('2B')
-    assert_line_around_cursor('aaa ', 'b{b}b ccc')
-    input_keys('2B')
-    assert_line_around_cursor('', 'aaa b{b}b ccc')
-  end
-
-  def test_vi_end_big_word
-    input_keys("aaa   b{b}}}b   ccc\C-[0")
-    assert_line_around_cursor('', 'aaa   b{b}}}b   ccc')
-    input_keys('E')
-    assert_line_around_cursor('aa', 'a   b{b}}}b   ccc')
-    input_keys('E')
-    assert_line_around_cursor('aaa   b{b}}}', 'b   ccc')
-    input_keys('E')
-    assert_line_around_cursor('aaa   b{b}}}b   cc', 'c')
-    input_keys('E')
-    assert_line_around_cursor('aaa   b{b}}}b   cc', 'c')
-  end
-
-  def test_ed_quoted_insert
-    input_keys('ab')
-    input_key_by_symbol(:insert_raw_char, char: "\C-a")
-    assert_line_around_cursor("ab\C-a", '')
-  end
-
-  def test_ed_quoted_insert_with_vi_arg
-    input_keys("ab\C-[3")
-    input_key_by_symbol(:insert_raw_char, char: "\C-a")
-    input_keys('4')
-    input_key_by_symbol(:insert_raw_char, char: '1')
-    assert_line_around_cursor("a\C-a\C-a\C-a1111", 'b')
-  end
-
-  def test_vi_replace_char
-    input_keys("abcdef\C-[03l")
-    assert_line_around_cursor('abc', 'def')
-    input_keys('rz')
-    assert_line_around_cursor('abc', 'zef')
-    input_keys('2rx')
-    assert_line_around_cursor('abcxx', 'f')
-  end
-
-  def test_vi_replace_char_with_mbchar
-    input_keys("あいうえお\C-[0l")
-    assert_line_around_cursor('あ', 'いうえお')
-    input_keys('rx')
-    assert_line_around_cursor('あ', 'xうえお')
-    input_keys('l2ry')
-    assert_line_around_cursor('あxyy', 'お')
-  end
-
-  def test_vi_next_char
-    input_keys("abcdef\C-[0")
-    assert_line_around_cursor('', 'abcdef')
-    input_keys('fz')
-    assert_line_around_cursor('', 'abcdef')
-    input_keys('fe')
-    assert_line_around_cursor('abcd', 'ef')
-  end
-
-  def test_vi_to_next_char
-    input_keys("abcdef\C-[0")
-    assert_line_around_cursor('', 'abcdef')
-    input_keys('tz')
-    assert_line_around_cursor('', 'abcdef')
-    input_keys('te')
-    assert_line_around_cursor('abc', 'def')
-  end
-
-  def test_vi_prev_char
-    input_keys("abcdef\C-[")
-    assert_line_around_cursor('abcde', 'f')
-    input_keys('Fz')
-    assert_line_around_cursor('abcde', 'f')
-    input_keys('Fa')
-    assert_line_around_cursor('', 'abcdef')
-  end
-
-  def test_vi_to_prev_char
-    input_keys("abcdef\C-[")
-    assert_line_around_cursor('abcde', 'f')
-    input_keys('Tz')
-    assert_line_around_cursor('abcde', 'f')
-    input_keys('Ta')
-    assert_line_around_cursor('a', 'bcdef')
-  end
-
-  def test_vi_delete_next_char
-    input_keys("abc\C-[h")
-    assert_line_around_cursor('a', 'bc')
-    input_keys('x')
-    assert_line_around_cursor('a', 'c')
-    input_keys('x')
-    assert_line_around_cursor('', 'a')
-    input_keys('x')
-    assert_line_around_cursor('', '')
-    input_keys('x')
-    assert_line_around_cursor('', '')
-  end
-
-  def test_vi_delete_next_char_for_mbchar
-    input_keys("あいう\C-[h")
-    assert_line_around_cursor('あ', 'いう')
-    input_keys('x')
-    assert_line_around_cursor('あ', 'う')
-    input_keys('x')
-    assert_line_around_cursor('', 'あ')
-    input_keys('x')
-    assert_line_around_cursor('', '')
-    input_keys('x')
-    assert_line_around_cursor('', '')
-  end
-
-  def test_vi_delete_next_char_for_mbchar_by_plural_code_points
-    omit_unless_utf8
-    input_keys("か\u3099き\u3099く\u3099\C-[h")
-    assert_line_around_cursor("か\u3099", "き\u3099く\u3099")
-    input_keys('x')
-    assert_line_around_cursor("か\u3099", "く\u3099")
-    input_keys('x')
-    assert_line_around_cursor('', "か\u3099")
-    input_keys('x')
-    assert_line_around_cursor('', '')
-    input_keys('x')
-    assert_line_around_cursor('', '')
-  end
-
-  def test_vi_delete_prev_char
-    input_keys('ab')
-    assert_line_around_cursor('ab', '')
-    input_keys("\C-h")
-    assert_line_around_cursor('a', '')
-  end
-
-  def test_vi_delete_prev_char_for_mbchar
-    input_keys('かき')
-    assert_line_around_cursor('かき', '')
-    input_keys("\C-h")
-    assert_line_around_cursor('か', '')
-  end
-
-  def test_vi_delete_prev_char_for_mbchar_by_plural_code_points
-    omit_unless_utf8
-    input_keys("か\u3099き\u3099")
-    assert_line_around_cursor("か\u3099き\u3099", '')
-    input_keys("\C-h")
-    assert_line_around_cursor("か\u3099", '')
-  end
-
-  def test_ed_delete_prev_char
-    input_keys("abcdefg\C-[h")
-    assert_line_around_cursor('abcde', 'fg')
-    input_keys('X')
-    assert_line_around_cursor('abcd', 'fg')
-    input_keys('3X')
-    assert_line_around_cursor('a', 'fg')
-    input_keys('p')
-    assert_line_around_cursor('afbc', 'dg')
-  end
-
-  def test_ed_delete_prev_word
-    input_keys('abc def{bbb}ccc')
-    assert_line_around_cursor('abc def{bbb}ccc', '')
-    input_keys("\C-w")
-    assert_line_around_cursor('abc def{bbb}', '')
-    input_keys("\C-w")
-    assert_line_around_cursor('abc def{', '')
-    input_keys("\C-w")
-    assert_line_around_cursor('abc ', '')
-    input_keys("\C-w")
-    assert_line_around_cursor('', '')
-  end
-
-  def test_ed_delete_prev_word_for_mbchar
-    input_keys('あいう かきく{さしす}たちつ')
-    assert_line_around_cursor('あいう かきく{さしす}たちつ', '')
-    input_keys("\C-w")
-    assert_line_around_cursor('あいう かきく{さしす}', '')
-    input_keys("\C-w")
-    assert_line_around_cursor('あいう かきく{', '')
-    input_keys("\C-w")
-    assert_line_around_cursor('あいう ', '')
-    input_keys("\C-w")
-    assert_line_around_cursor('', '')
-  end
-
-  def test_ed_delete_prev_word_for_mbchar_by_plural_code_points
-    omit_unless_utf8
-    input_keys("あいう か\u3099き\u3099く\u3099{さしす}たちつ")
-    assert_line_around_cursor("あいう か\u3099き\u3099く\u3099{さしす}たちつ", '')
-    input_keys("\C-w")
-    assert_line_around_cursor("あいう か\u3099き\u3099く\u3099{さしす}", '')
-    input_keys("\C-w")
-    assert_line_around_cursor("あいう か\u3099き\u3099く\u3099{", '')
-    input_keys("\C-w")
-    assert_line_around_cursor('あいう ', '')
-    input_keys("\C-w")
-    assert_line_around_cursor('', '')
-  end
-
-  def test_ed_newline_with_cr
-    input_keys('ab')
-    assert_line_around_cursor('ab', '')
-    refute(@line_editor.finished?)
-    input_keys("\C-m")
-    assert_line_around_cursor('ab', '')
-    assert(@line_editor.finished?)
-  end
-
-  def test_ed_newline_with_lf
-    input_keys('ab')
-    assert_line_around_cursor('ab', '')
-    refute(@line_editor.finished?)
-    input_keys("\C-j")
-    assert_line_around_cursor('ab', '')
-    assert(@line_editor.finished?)
-  end
-
-  def test_vi_list_or_eof
-    input_keys("\C-d") # quit from inputing
-    assert_nil(@line_editor.line)
-    assert(@line_editor.finished?)
-  end
-
-  def test_vi_list_or_eof_with_non_empty_line
-    input_keys('ab')
-    assert_line_around_cursor('ab', '')
-    refute(@line_editor.finished?)
-    input_keys("\C-d")
-    assert_line_around_cursor('ab', '')
-    assert(@line_editor.finished?)
-  end
-
-  def test_completion_journey
-    @line_editor.completion_proc = proc { |word|
-      %w{
-        foo_bar
-        foo_bar_baz
-      }.map { |i|
-        i.encode(@encoding)
-      }
-    }
-    input_keys('foo')
-    assert_line_around_cursor('foo', '')
-    input_keys("\C-n")
-    assert_line_around_cursor('foo_bar', '')
-    input_keys("\C-n")
-    assert_line_around_cursor('foo_bar_baz', '')
-    input_keys("\C-n")
-    assert_line_around_cursor('foo', '')
-    input_keys("\C-n")
-    assert_line_around_cursor('foo_bar', '')
-    input_keys("_\C-n")
-    assert_line_around_cursor('foo_bar_baz', '')
-    input_keys("\C-n")
-    assert_line_around_cursor('foo_bar_', '')
-  end
-
-  def test_completion_journey_reverse
-    @line_editor.completion_proc = proc { |word|
-      %w{
-        foo_bar
-        foo_bar_baz
-      }.map { |i|
-        i.encode(@encoding)
-      }
-    }
-    input_keys('foo')
-    assert_line_around_cursor('foo', '')
-    input_keys("\C-p")
-    assert_line_around_cursor('foo_bar_baz', '')
-    input_keys("\C-p")
-    assert_line_around_cursor('foo_bar', '')
-    input_keys("\C-p")
-    assert_line_around_cursor('foo', '')
-    input_keys("\C-p")
-    assert_line_around_cursor('foo_bar_baz', '')
-    input_keys("\C-h\C-p")
-    assert_line_around_cursor('foo_bar_baz', '')
-    input_keys("\C-p")
-    assert_line_around_cursor('foo_bar_ba', '')
-  end
-
-  def test_completion_journey_in_middle_of_line
-    @line_editor.completion_proc = proc { |word|
-      %w{
-        foo_bar
-        foo_bar_baz
-      }.map { |i|
-        i.encode(@encoding)
-      }
-    }
-    input_keys('abcde fo ABCDE')
-    assert_line_around_cursor('abcde fo ABCDE', '')
-    input_keys("\C-[" + 'h' * 5 + "i\C-n")
-    assert_line_around_cursor('abcde foo_bar', ' ABCDE')
-    input_keys("\C-n")
-    assert_line_around_cursor('abcde foo_bar_baz', ' ABCDE')
-    input_keys("\C-n")
-    assert_line_around_cursor('abcde fo', ' ABCDE')
-    input_keys("\C-n")
-    assert_line_around_cursor('abcde foo_bar', ' ABCDE')
-    input_keys("_\C-n")
-    assert_line_around_cursor('abcde foo_bar_baz', ' ABCDE')
-    input_keys("\C-n")
-    assert_line_around_cursor('abcde foo_bar_', ' ABCDE')
-    input_keys("\C-n")
-    assert_line_around_cursor('abcde foo_bar_baz', ' ABCDE')
-  end
-
-  def test_completion
-    @line_editor.completion_proc = proc { |word|
-      %w{
-        foo_bar
-        foo_bar_baz
-      }.map { |i|
-        i.encode(@encoding)
-      }
-    }
-    input_keys('foo')
-    assert_line_around_cursor('foo', '')
-    input_keys("\C-i")
-    assert_line_around_cursor('foo_bar', '')
-  end
-
-  def test_autocompletion_with_upward_navigation
-    @config.autocompletion = true
-    @line_editor.completion_proc = proc { |word|
-      %w{
-        Readline
-        Regexp
-        RegexpError
-      }.map { |i|
-        i.encode(@encoding)
-      }
-    }
-    input_keys('Re')
-    assert_line_around_cursor('Re', '')
-    input_keys("\C-i")
-    assert_line_around_cursor('Readline', '')
-    input_keys("\C-i")
-    assert_line_around_cursor('Regexp', '')
-    input_key_by_symbol(:completion_journey_up)
-    assert_line_around_cursor('Readline', '')
-  ensure
-    @config.autocompletion = false
-  end
-
-  def test_autocompletion_with_upward_navigation_and_menu_complete_backward
-    @config.autocompletion = true
-    @line_editor.completion_proc = proc { |word|
-      %w{
-        Readline
-        Regexp
-        RegexpError
-      }.map { |i|
-        i.encode(@encoding)
-      }
-    }
-    input_keys('Re')
-    assert_line_around_cursor('Re', '')
-    input_keys("\C-i")
-    assert_line_around_cursor('Readline', '')
-    input_keys("\C-i")
-    assert_line_around_cursor('Regexp', '')
-    input_key_by_symbol(:menu_complete_backward)
-    assert_line_around_cursor('Readline', '')
-  ensure
-    @config.autocompletion = false
-  end
-
-  def test_completion_with_disable_completion
-    @config.disable_completion = true
-    @line_editor.completion_proc = proc { |word|
-      %w{
-        foo_bar
-        foo_bar_baz
-      }.map { |i|
-        i.encode(@encoding)
-      }
-    }
-    input_keys('foo')
-    assert_line_around_cursor('foo', '')
-    input_keys("\C-i")
-    assert_line_around_cursor('foo', '')
-  end
-
-  def test_vi_first_print
-    input_keys("abcde\C-[^")
-    assert_line_around_cursor('', 'abcde')
-    input_keys("0\C-ki")
-    input_keys(" abcde\C-[^")
-    assert_line_around_cursor(' ', 'abcde')
-    input_keys("0\C-ki")
-    input_keys("   abcde  ABCDE  \C-[^")
-    assert_line_around_cursor('   ', 'abcde  ABCDE  ')
-  end
-
-  def test_ed_move_to_beg
-    input_keys("abcde\C-[0")
-    assert_line_around_cursor('', 'abcde')
-    input_keys("0\C-ki")
-    input_keys(" abcde\C-[0")
-    assert_line_around_cursor('', ' abcde')
-    input_keys("0\C-ki")
-    input_keys("   abcde  ABCDE  \C-[0")
-    assert_line_around_cursor('', '   abcde  ABCDE  ')
-  end
-
-  def test_vi_to_column
-    input_keys("a一二三\C-[0")
-    input_keys('1|')
-    assert_line_around_cursor('', 'a一二三')
-    input_keys('2|')
-    assert_line_around_cursor('a', '一二三')
-    input_keys('3|')
-    assert_line_around_cursor('a', '一二三')
-    input_keys('4|')
-    assert_line_around_cursor('a一', '二三')
-    input_keys('9|')
-    assert_line_around_cursor('a一二', '三')
-  end
-
-  def test_vi_delete_meta
-    input_keys("aaa bbb ccc ddd eee\C-[02w")
-    assert_line_around_cursor('aaa bbb ', 'ccc ddd eee')
-    input_keys('dw')
-    assert_line_around_cursor('aaa bbb ', 'ddd eee')
-    input_keys('db')
-    assert_line_around_cursor('aaa ', 'ddd eee')
-  end
-
-  def test_vi_delete_meta_nothing
-    input_keys("foo\C-[0")
-    assert_line_around_cursor('', 'foo')
-    input_keys('dhp')
-    assert_line_around_cursor('', 'foo')
-  end
-
-  def test_vi_delete_meta_with_vi_next_word_at_eol
-    input_keys("foo bar\C-[0w")
-    assert_line_around_cursor('foo ', 'bar')
-    input_keys('w')
-    assert_line_around_cursor('foo ba', 'r')
-    input_keys('0dw')
-    assert_line_around_cursor('', 'bar')
-    input_keys('dw')
-    assert_line_around_cursor('', '')
-  end
-
-  def test_vi_delete_meta_with_vi_next_char
-    input_keys("aaa bbb ccc ___ ddd\C-[02w")
-    assert_line_around_cursor('aaa bbb ', 'ccc ___ ddd')
-    input_keys('df_')
-    assert_line_around_cursor('aaa bbb ', '__ ddd')
-  end
-
-  def test_vi_delete_meta_with_arg
-    input_keys("aaa bbb ccc ddd\C-[03w")
-    assert_line_around_cursor('aaa bbb ccc ', 'ddd')
-    input_keys('2dl')
-    assert_line_around_cursor('aaa bbb ccc ', 'd')
-    input_keys('d2h')
-    assert_line_around_cursor('aaa bbb cc', 'd')
-    input_keys('2d3h')
-    assert_line_around_cursor('aaa ', 'd')
-    input_keys('dd')
-    assert_line_around_cursor('', '')
-  end
-
-  def test_vi_change_meta
-    input_keys("aaa bbb ccc ddd eee\C-[02w")
-    assert_line_around_cursor('aaa bbb ', 'ccc ddd eee')
-    input_keys('cwaiueo')
-    assert_line_around_cursor('aaa bbb aiueo', ' ddd eee')
-    input_keys("\C-[")
-    assert_line_around_cursor('aaa bbb aiue', 'o ddd eee')
-    input_keys('cb')
-    assert_line_around_cursor('aaa bbb ', 'o ddd eee')
-  end
-
-  def test_vi_change_meta_with_vi_next_word
-    input_keys("foo  bar  baz\C-[0w")
-    assert_line_around_cursor('foo  ', 'bar  baz')
-    input_keys('cwhoge')
-    assert_line_around_cursor('foo  hoge', '  baz')
-    input_keys("\C-[")
-    assert_line_around_cursor('foo  hog', 'e  baz')
-  end
-
-  def test_vi_waiting_operator_with_waiting_proc
-    input_keys("foo foo foo foo foo\C-[0")
-    input_keys('2d3fo')
-    assert_line_around_cursor('', ' foo foo')
-    input_keys('fo')
-    assert_line_around_cursor(' f', 'oo foo')
-  end
-
-  def test_waiting_operator_arg_including_zero
-    input_keys("a111111111111222222222222\C-[0")
-    input_keys('10df1')
-    assert_line_around_cursor('', '11222222222222')
-    input_keys('d10f2')
-    assert_line_around_cursor('', '22')
-  end
-
-  def test_vi_waiting_operator_cancel
-    input_keys("aaa bbb ccc\C-[02w")
-    assert_line_around_cursor('aaa bbb ', 'ccc')
-    # dc dy should cancel delete_meta
-    input_keys('dch')
-    input_keys('dyh')
-    # cd cy should cancel change_meta
-    input_keys('cdh')
-    input_keys('cyh')
-    # yd yc should cancel yank_meta
-    # P should not paste yanked text because yank_meta is canceled
-    input_keys('ydhP')
-    input_keys('ychP')
-    assert_line_around_cursor('aa', 'a bbb ccc')
-  end
-
-  def test_cancel_waiting_with_symbol_key
-    input_keys("aaa bbb lll\C-[0")
-    assert_line_around_cursor('', 'aaa bbb lll')
-    # ed_next_char should move cursor right and cancel vi_next_char
-    input_keys('f')
-    input_key_by_symbol(:ed_next_char, csi: true)
-    input_keys('l')
-    assert_line_around_cursor('aa', 'a bbb lll')
-    # vi_delete_meta + ed_next_char should delete character
-    input_keys('d')
-    input_key_by_symbol(:ed_next_char, csi: true)
-    input_keys('l')
-    assert_line_around_cursor('aa ', 'bbb lll')
-  end
-
-  def test_unimplemented_vi_command_should_be_no_op
-    input_keys("abc\C-[h")
-    assert_line_around_cursor('a', 'bc')
-    input_keys('@')
-    assert_line_around_cursor('a', 'bc')
-  end
-
-  def test_vi_yank
-    input_keys("foo bar\C-[2h")
-    assert_line_around_cursor('foo ', 'bar')
-    input_keys('y3l')
-    assert_line_around_cursor('foo ', 'bar')
-    input_keys('P')
-    assert_line_around_cursor('foo ba', 'rbar')
-    input_keys('3h3yhP')
-    assert_line_around_cursor('foofo', 'o barbar')
-    input_keys('yyP')
-    assert_line_around_cursor('foofofoofoo barba', 'ro barbar')
-  end
-
-  def test_vi_yank_nothing
-    input_keys("foo\C-[0")
-    assert_line_around_cursor('', 'foo')
-    input_keys('yhp')
-    assert_line_around_cursor('', 'foo')
-  end
-
-  def test_vi_end_word_with_operator
-    input_keys("foo bar\C-[0")
-    assert_line_around_cursor('', 'foo bar')
-    input_keys('de')
-    assert_line_around_cursor('', ' bar')
-    input_keys('de')
-    assert_line_around_cursor('', '')
-    input_keys('de')
-    assert_line_around_cursor('', '')
-  end
-
-  def test_vi_end_big_word_with_operator
-    input_keys("aaa   b{b}}}b\C-[0")
-    assert_line_around_cursor('', 'aaa   b{b}}}b')
-    input_keys('dE')
-    assert_line_around_cursor('', '   b{b}}}b')
-    input_keys('dE')
-    assert_line_around_cursor('', '')
-    input_keys('dE')
-    assert_line_around_cursor('', '')
-  end
-
-  def test_vi_next_char_with_operator
-    input_keys("foo bar\C-[0")
-    assert_line_around_cursor('', 'foo bar')
-    input_keys('df ')
-    assert_line_around_cursor('', 'bar')
-  end
-
-  def test_ed_delete_next_char_at_eol
-    input_keys('"あ"')
-    assert_line_around_cursor('"あ"', '')
-    input_keys("\C-[")
-    assert_line_around_cursor('"あ', '"')
-    input_keys('xa"')
-    assert_line_around_cursor('"あ"', '')
-  end
-
-  def test_vi_kill_line_prev
-    input_keys("\C-u")
-    assert_line_around_cursor('', '')
-    input_keys('abc')
-    assert_line_around_cursor('abc', '')
-    input_keys("\C-u")
-    assert_line_around_cursor('', '')
-    input_keys('abc')
-    input_keys("\C-[\C-u")
-    assert_line_around_cursor('', 'c')
-    input_keys("\C-u")
-    assert_line_around_cursor('', 'c')
-  end
-
-  def test_vi_change_to_eol
-    input_keys("abcdef\C-[2hC")
-    assert_line_around_cursor('abc', '')
-    input_keys("\C-[0C")
-    assert_line_around_cursor('', '')
-    assert_equal(:vi_insert, editing_mode_label)
-  end
-
-  def test_vi_motion_operators
-    assert_equal(:vi_insert, editing_mode_label)
-
-    assert_nothing_raised do
-      input_keys("test = { foo: bar }\C-[BBBldt}b")
-    end
-  end
-
-  def test_emacs_editing_mode
-    @line_editor.__send__(:emacs_editing_mode, nil)
-    assert(@config.editing_mode_is?(:emacs))
-  end
-end