patch 8.0.1304: CTRL-G/CTRL-T don't work with incsearch and empty pattern commit https://github.com/vim/vim/commit/d0480097177369a6ed91d47aba189ae647afcd68 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Nov 16 22:20:39 2017 +0100 patch 8.0.1304: CTRL-G/CTRL-T don't work with incsearch and empty pattern Problem: CTRL-G/CTRL-T don't work with incsearch and empty pattern. Solution: Use the last search pattern. (Christian Brabandt, closes https://github.com/vim/vim/issues/2292)

func Test_yank_put_clipboard()
  new
  call setline(1, ['a', 'b', 'c'])
  set clipboard=unnamed
  g/^/normal yyp
  call assert_equal(['a', 'a', 'b', 'b', 'c', 'c'], getline(1, 6))

  set clipboard&
  bwipe!
endfunc

func Test_nested_global()
  new
  call setline(1, ['nothing', 'found', 'found bad', 'bad'])
  call assert_fails('g/found/3v/bad/s/^/++/', 'E147')
  g/found/v/bad/s/^/++/
  call assert_equal(['nothing', '++found', 'found bad', 'bad'], getline(1, 4))
  bwipe!
endfunc