From afce081b90c1e2c50c3507758c7558a0dfa1f33e Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sat, 27 Apr 2024 15:18:03 +0200
Subject: Adding upstream version 2:8.2.2434.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/testdir/test_cmdline.vim | 1713 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 1713 insertions(+)
 create mode 100644 src/testdir/test_cmdline.vim

(limited to 'src/testdir/test_cmdline.vim')

diff --git a/src/testdir/test_cmdline.vim b/src/testdir/test_cmdline.vim
new file mode 100644
index 0000000..7f62dfe
--- /dev/null
+++ b/src/testdir/test_cmdline.vim
@@ -0,0 +1,1713 @@
+" Tests for editing the command line.
+
+source check.vim
+source screendump.vim
+source view_util.vim
+source shared.vim
+
+func Test_complete_tab()
+  call writefile(['testfile'], 'Xtestfile')
+  call feedkeys(":e Xtest\t\r", "tx")
+  call assert_equal('testfile', getline(1))
+  call delete('Xtestfile')
+endfunc
+
+func Test_complete_list()
+  " We can't see the output, but at least we check the code runs properly.
+  call feedkeys(":e test\<C-D>\r", "tx")
+  call assert_equal('test', expand('%:t'))
+
+  " If a command doesn't support completion, then CTRL-D should be literally
+  " used.
+  call feedkeys(":chistory \<C-D>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"chistory \<C-D>", @:)
+endfunc
+
+func Test_complete_wildmenu()
+  call mkdir('Xdir1/Xdir2', 'p')
+  call writefile(['testfile1'], 'Xdir1/Xtestfile1')
+  call writefile(['testfile2'], 'Xdir1/Xtestfile2')
+  call writefile(['testfile3'], 'Xdir1/Xdir2/Xtestfile3')
+  call writefile(['testfile3'], 'Xdir1/Xdir2/Xtestfile4')
+  set wildmenu
+
+  " Pressing <Tab> completes, and moves to next files when pressing again.
+  call feedkeys(":e Xdir1/\<Tab>\<Tab>\<CR>", 'tx')
+  call assert_equal('testfile1', getline(1))
+  call feedkeys(":e Xdir1/\<Tab>\<Tab>\<Tab>\<CR>", 'tx')
+  call assert_equal('testfile2', getline(1))
+
+  " <S-Tab> is like <Tab> but begin with the last match and then go to
+  " previous.
+  call feedkeys(":e Xdir1/Xtest\<S-Tab>\<CR>", 'tx')
+  call assert_equal('testfile2', getline(1))
+  call feedkeys(":e Xdir1/Xtest\<S-Tab>\<S-Tab>\<CR>", 'tx')
+  call assert_equal('testfile1', getline(1))
+
+  " <Left>/<Right> to move to previous/next file.
+  call feedkeys(":e Xdir1/\<Tab>\<Right>\<CR>", 'tx')
+  call assert_equal('testfile1', getline(1))
+  call feedkeys(":e Xdir1/\<Tab>\<Right>\<Right>\<CR>", 'tx')
+  call assert_equal('testfile2', getline(1))
+  call feedkeys(":e Xdir1/\<Tab>\<Right>\<Right>\<Left>\<CR>", 'tx')
+  call assert_equal('testfile1', getline(1))
+
+  " <Up>/<Down> to go up/down directories.
+  call feedkeys(":e Xdir1/\<Tab>\<Down>\<CR>", 'tx')
+  call assert_equal('testfile3', getline(1))
+  call feedkeys(":e Xdir1/\<Tab>\<Down>\<Up>\<Right>\<CR>", 'tx')
+  call assert_equal('testfile1', getline(1))
+
+  " this fails in some Unix GUIs, not sure why
+  if !has('unix') || !has('gui_running')
+    " <C-J>/<C-K> mappings to go up/down directories when 'wildcharm' is
+    " different than 'wildchar'.
+    set wildcharm=<C-Z>
+    cnoremap <C-J> <Down><C-Z>
+    cnoremap <C-K> <Up><C-Z>
+    call feedkeys(":e Xdir1/\<Tab>\<C-J>\<CR>", 'tx')
+    call assert_equal('testfile3', getline(1))
+    call feedkeys(":e Xdir1/\<Tab>\<C-J>\<C-K>\<CR>", 'tx')
+    call assert_equal('testfile1', getline(1))
+    set wildcharm=0
+    cunmap <C-J>
+    cunmap <C-K>
+  endif
+
+  " Test for canceling the wild menu by adding a character
+  redrawstatus
+  call feedkeys(":e Xdir1/\<Tab>x\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"e Xdir1/Xdir2/x', @:)
+
+  " Completion using a relative path
+  cd Xdir1/Xdir2
+  call feedkeys(":e ../\<Tab>\<Right>\<Down>\<C-A>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"e Xtestfile3 Xtestfile4', @:)
+  cd -
+
+  cnoremap <expr> <F2> wildmenumode()
+  call feedkeys(":cd Xdir\<Tab>\<F2>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"cd Xdir1/1', @:)
+  cunmap <F2>
+
+  " cleanup
+  %bwipe
+  call delete('Xdir1/Xdir2/Xtestfile4')
+  call delete('Xdir1/Xdir2/Xtestfile3')
+  call delete('Xdir1/Xtestfile2')
+  call delete('Xdir1/Xtestfile1')
+  call delete('Xdir1/Xdir2', 'd')
+  call delete('Xdir1', 'd')
+  set nowildmenu
+endfunc
+
+func Test_wildmenu_screendump()
+  CheckScreendump
+
+  let lines =<< trim [SCRIPT]
+    set wildmenu hlsearch
+  [SCRIPT]
+  call writefile(lines, 'XTest_wildmenu')
+
+  let buf = RunVimInTerminal('-S XTest_wildmenu', {'rows': 8})
+  call term_sendkeys(buf, ":vim\<Tab>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_1', {})
+
+  call term_sendkeys(buf, "\<Tab>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_2', {})
+
+  call term_sendkeys(buf, "\<Tab>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_3', {})
+
+  call term_sendkeys(buf, "\<Tab>")
+  call VerifyScreenDump(buf, 'Test_wildmenu_4', {})
+  call term_sendkeys(buf, "\<Esc>")
+
+  " clean up
+  call StopVimInTerminal(buf)
+  call delete('XTest_wildmenu')
+endfunc
+
+func Test_map_completion()
+  call feedkeys(":map <unique> <si\<Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal('"map <unique> <silent>', getreg(':'))
+  call feedkeys(":map <script> <un\<Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal('"map <script> <unique>', getreg(':'))
+  call feedkeys(":map <expr> <sc\<Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal('"map <expr> <script>', getreg(':'))
+  call feedkeys(":map <buffer> <e\<Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal('"map <buffer> <expr>', getreg(':'))
+  call feedkeys(":map <nowait> <b\<Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal('"map <nowait> <buffer>', getreg(':'))
+  call feedkeys(":map <special> <no\<Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal('"map <special> <nowait>', getreg(':'))
+  call feedkeys(":map <silent> <sp\<Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal('"map <silent> <special>', getreg(':'))
+
+  map <Middle>x middle
+
+  map ,f commaf
+  map ,g commaf
+  map <Left> left
+  map <A-Left>x shiftleft
+  call feedkeys(":map ,\<Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal('"map ,f', getreg(':'))
+  call feedkeys(":map ,\<Tab>\<Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal('"map ,g', getreg(':'))
+  call feedkeys(":map <L\<Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal('"map <Left>', getreg(':'))
+  call feedkeys(":map <A-Left>\<Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal("\"map <A-Left>\<Tab>", getreg(':'))
+  unmap ,f
+  unmap ,g
+  unmap <Left>
+  unmap <A-Left>x
+
+  set cpo-=< cpo-=B cpo-=k
+  map <Left> left
+  call feedkeys(":map <L\<Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal('"map <Left>', getreg(':'))
+  call feedkeys(":map <M\<Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal("\"map <M\<Tab>", getreg(':'))
+  unmap <Left>
+
+  set cpo+=<
+  map <Left> left
+  exe "set t_k6=\<Esc>[17~"
+  call feedkeys(":map \<Esc>[17~x f6x\<CR>", 'xt')
+  call feedkeys(":map <L\<Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal('"map <Left>', getreg(':'))
+  if !has('gui_running')
+    call feedkeys(":map \<Esc>[17~\<Tab>\<Home>\"\<CR>", 'xt')
+    call assert_equal("\"map <F6>x", getreg(':'))
+  endif
+  unmap <Left>
+  call feedkeys(":unmap \<Esc>[17~x\<CR>", 'xt')
+  set cpo-=<
+
+  set cpo+=B
+  map <Left> left
+  call feedkeys(":map <L\<Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal('"map <Left>', getreg(':'))
+  unmap <Left>
+  set cpo-=B
+
+  set cpo+=k
+  map <Left> left
+  call feedkeys(":map <L\<Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal('"map <Left>', getreg(':'))
+  unmap <Left>
+  set cpo-=k
+
+  call assert_fails('call feedkeys(":map \\\\%(\<Tab>\<Home>\"\<CR>", "xt")', 'E53:')
+
+  unmap <Middle>x
+  set cpo&vim
+endfunc
+
+func Test_match_completion()
+  hi Aardig ctermfg=green
+  call feedkeys(":match \<Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal('"match Aardig', getreg(':'))
+  call feedkeys(":match \<S-Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal('"match none', getreg(':'))
+endfunc
+
+func Test_highlight_completion()
+  hi Aardig ctermfg=green
+  call feedkeys(":hi \<Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal('"hi Aardig', getreg(':'))
+  call feedkeys(":hi default \<Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal('"hi default Aardig', getreg(':'))
+  call feedkeys(":hi clear Aa\<Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal('"hi clear Aardig', getreg(':'))
+  call feedkeys(":hi li\<S-Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal('"hi link', getreg(':'))
+  call feedkeys(":hi d\<S-Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal('"hi default', getreg(':'))
+  call feedkeys(":hi c\<S-Tab>\<Home>\"\<CR>", 'xt')
+  call assert_equal('"hi clear', getreg(':'))
+  call feedkeys(":hi clear Aardig Aard\<Tab>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"hi clear Aardig Aardig', getreg(':'))
+  call feedkeys(":hi Aardig \<Tab>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"hi Aardig \t", getreg(':'))
+
+  " A cleared group does not show up in completions.
+  hi Anders ctermfg=green
+  call assert_equal(['Aardig', 'Anders'], getcompletion('A', 'highlight'))
+  hi clear Aardig
+  call assert_equal(['Anders'], getcompletion('A', 'highlight'))
+  hi clear Anders
+  call assert_equal([], getcompletion('A', 'highlight'))
+endfunc
+
+" Test for command-line expansion of "hi Ni " (easter egg)
+func Test_highlight_easter_egg()
+  call test_override('ui_delay', 1)
+  call feedkeys(":hi Ni \<Tab>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"hi Ni \<Tab>", @:)
+  call test_override('ALL', 0)
+endfunc
+
+func Test_getcompletion()
+  let groupcount = len(getcompletion('', 'event'))
+  call assert_true(groupcount > 0)
+  let matchcount = len('File'->getcompletion('event'))
+  call assert_true(matchcount > 0)
+  call assert_true(groupcount > matchcount)
+
+  if has('menu')
+    source $VIMRUNTIME/menu.vim
+    let matchcount = len(getcompletion('', 'menu'))
+    call assert_true(matchcount > 0)
+    call assert_equal(['File.'], getcompletion('File', 'menu'))
+    call assert_true(matchcount > 0)
+    let matchcount = len(getcompletion('File.', 'menu'))
+    call assert_true(matchcount > 0)
+  endif
+
+  let l = getcompletion('v:n', 'var')
+  call assert_true(index(l, 'v:null') >= 0)
+  let l = getcompletion('v:notexists', 'var')
+  call assert_equal([], l)
+
+  args a.c b.c
+  let l = getcompletion('', 'arglist')
+  call assert_equal(['a.c', 'b.c'], l)
+  %argdelete
+
+  let l = getcompletion('', 'augroup')
+  call assert_true(index(l, 'END') >= 0)
+  let l = getcompletion('blahblah', 'augroup')
+  call assert_equal([], l)
+
+  let l = getcompletion('', 'behave')
+  call assert_true(index(l, 'mswin') >= 0)
+  let l = getcompletion('not', 'behave')
+  call assert_equal([], l)
+
+  let l = getcompletion('', 'color')
+  call assert_true(index(l, 'default') >= 0)
+  let l = getcompletion('dirty', 'color')
+  call assert_equal([], l)
+
+  let l = getcompletion('', 'command')
+  call assert_true(index(l, 'sleep') >= 0)
+  let l = getcompletion('awake', 'command')
+  call assert_equal([], l)
+
+  let l = getcompletion('', 'dir')
+  call assert_true(index(l, 'samples/') >= 0)
+  let l = getcompletion('NoMatch', 'dir')
+  call assert_equal([], l)
+
+  let l = getcompletion('exe', 'expression')
+  call assert_true(index(l, 'executable(') >= 0)
+  let l = getcompletion('kill', 'expression')
+  call assert_equal([], l)
+
+  let l = getcompletion('tag', 'function')
+  call assert_true(index(l, 'taglist(') >= 0)
+  let l = getcompletion('paint', 'function')
+  call assert_equal([], l)
+
+  let Flambda = {-> 'hello'}
+  let l = getcompletion('', 'function')
+  let l = filter(l, {i, v -> v =~ 'lambda'})
+  call assert_equal([], l)
+
+  let l = getcompletion('run', 'file')
+  call assert_true(index(l, 'runtest.vim') >= 0)
+  let l = getcompletion('walk', 'file')
+  call assert_equal([], l)
+  set wildignore=*.vim
+  let l = getcompletion('run', 'file', 1)
+  call assert_true(index(l, 'runtest.vim') < 0)
+  set wildignore&
+
+  let l = getcompletion('ha', 'filetype')
+  call assert_true(index(l, 'hamster') >= 0)
+  let l = getcompletion('horse', 'filetype')
+  call assert_equal([], l)
+
+  let l = getcompletion('z', 'syntax')
+  call assert_true(index(l, 'zimbu') >= 0)
+  let l = getcompletion('emacs', 'syntax')
+  call assert_equal([], l)
+
+  let l = getcompletion('jikes', 'compiler')
+  call assert_true(index(l, 'jikes') >= 0)
+  let l = getcompletion('break', 'compiler')
+  call assert_equal([], l)
+
+  let l = getcompletion('last', 'help')
+  call assert_true(index(l, ':tablast') >= 0)
+  let l = getcompletion('giveup', 'help')
+  call assert_equal([], l)
+
+  let l = getcompletion('time', 'option')
+  call assert_true(index(l, 'timeoutlen') >= 0)
+  let l = getcompletion('space', 'option')
+  call assert_equal([], l)
+
+  let l = getcompletion('er', 'highlight')
+  call assert_true(index(l, 'ErrorMsg') >= 0)
+  let l = getcompletion('dark', 'highlight')
+  call assert_equal([], l)
+
+  let l = getcompletion('', 'messages')
+  call assert_true(index(l, 'clear') >= 0)
+  let l = getcompletion('not', 'messages')
+  call assert_equal([], l)
+
+  let l = getcompletion('', 'mapclear')
+  call assert_true(index(l, '<buffer>') >= 0)
+  let l = getcompletion('not', 'mapclear')
+  call assert_equal([], l)
+
+  let l = getcompletion('.', 'shellcmd')
+  call assert_equal(['./', '../'], filter(l, 'v:val =~ "\\./"'))
+  call assert_equal(-1, match(l[2:], '^\.\.\?/$'))
+  let root = has('win32') ? 'C:\\' : '/'
+  let l = getcompletion(root, 'shellcmd')
+  let expected = map(filter(glob(root . '*', 0, 1),
+        \ 'isdirectory(v:val) || executable(v:val)'), 'isdirectory(v:val) ? v:val . ''/'' : v:val')
+  call assert_equal(expected, l)
+
+  if has('cscope')
+    let l = getcompletion('', 'cscope')
+    let cmds = ['add', 'find', 'help', 'kill', 'reset', 'show']
+    call assert_equal(cmds, l)
+    " using cmdline completion must not change the result
+    call feedkeys(":cscope find \<c-d>\<c-c>", 'xt')
+    let l = getcompletion('', 'cscope')
+    call assert_equal(cmds, l)
+    let keys = ['a', 'c', 'd', 'e', 'f', 'g', 'i', 's', 't']
+    let l = getcompletion('find ', 'cscope')
+    call assert_equal(keys, l)
+  endif
+
+  if has('signs')
+    sign define Testing linehl=Comment
+    let l = getcompletion('', 'sign')
+    let cmds = ['define', 'jump', 'list', 'place', 'undefine', 'unplace']
+    call assert_equal(cmds, l)
+    " using cmdline completion must not change the result
+    call feedkeys(":sign list \<c-d>\<c-c>", 'xt')
+    let l = getcompletion('', 'sign')
+    call assert_equal(cmds, l)
+    let l = getcompletion('list ', 'sign')
+    call assert_equal(['Testing'], l)
+  endif
+
+  " Command line completion tests
+  let l = getcompletion('cd ', 'cmdline')
+  call assert_true(index(l, 'samples/') >= 0)
+  let l = getcompletion('cd NoMatch', 'cmdline')
+  call assert_equal([], l)
+  let l = getcompletion('let v:n', 'cmdline')
+  call assert_true(index(l, 'v:null') >= 0)
+  let l = getcompletion('let v:notexists', 'cmdline')
+  call assert_equal([], l)
+  let l = getcompletion('call tag', 'cmdline')
+  call assert_true(index(l, 'taglist(') >= 0)
+  let l = getcompletion('call paint', 'cmdline')
+  call assert_equal([], l)
+
+  " For others test if the name is recognized.
+  let names = ['buffer', 'environment', 'file_in_path', 'mapping', 'tag', 'tag_listfiles', 'user']
+  if has('cmdline_hist')
+    call add(names, 'history')
+  endif
+  if has('gettext')
+    call add(names, 'locale')
+  endif
+  if has('profile')
+    call add(names, 'syntime')
+  endif
+
+  set tags=Xtags
+  call writefile(["!_TAG_FILE_ENCODING\tutf-8\t//", "word\tfile\tcmd"], 'Xtags')
+
+  for name in names
+    let matchcount = len(getcompletion('', name))
+    call assert_true(matchcount >= 0, 'No matches for ' . name)
+  endfor
+
+  call delete('Xtags')
+  set tags&
+
+  call assert_fails("call getcompletion('\\\\@!\\\\@=', 'buffer')", 'E871:')
+  call assert_fails('call getcompletion("", "burp")', 'E475:')
+  call assert_fails('call getcompletion("abc", [])', 'E475:')
+endfunc
+
+func Test_shellcmd_completion()
+  let save_path = $PATH
+
+  call mkdir('Xpathdir/Xpathsubdir', 'p')
+  call writefile([''], 'Xpathdir/Xfile.exe')
+  call setfperm('Xpathdir/Xfile.exe', 'rwx------')
+
+  " Set PATH to example directory without trailing slash.
+  let $PATH = getcwd() . '/Xpathdir'
+
+  " Test for the ":!<TAB>" case.  Previously, this would include subdirs of
+  " dirs in the PATH, even though they won't be executed.  We check that only
+  " subdirs of the PWD and executables from the PATH are included in the
+  " suggestions.
+  let actual = getcompletion('X', 'shellcmd')
+  let expected = map(filter(glob('*', 0, 1), 'isdirectory(v:val) && v:val[0] == "X"'), 'v:val . "/"')
+  call insert(expected, 'Xfile.exe')
+  call assert_equal(expected, actual)
+
+  call delete('Xpathdir', 'rf')
+  let $PATH = save_path
+endfunc
+
+func Test_expand_star_star()
+  call mkdir('a/b', 'p')
+  call writefile(['asdfasdf'], 'a/b/fileXname')
+  call feedkeys(":find **/fileXname\<Tab>\<CR>", 'xt')
+  call assert_equal('find a/b/fileXname', getreg(':'))
+  bwipe!
+  call delete('a', 'rf')
+endfunc
+
+func Test_cmdline_paste()
+  let @a = "def"
+  call feedkeys(":abc \<C-R>a ghi\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"abc def ghi', @:)
+
+  new
+  call setline(1, 'asdf.x /tmp/some verylongword a;b-c*d ')
+
+  call feedkeys(":aaa \<C-R>\<C-W> bbb\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"aaa asdf bbb', @:)
+
+  call feedkeys("ft:aaa \<C-R>\<C-F> bbb\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"aaa /tmp/some bbb', @:)
+
+  call feedkeys(":aaa \<C-R>\<C-L> bbb\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"aaa '.getline(1).' bbb', @:)
+
+  set incsearch
+  call feedkeys("fy:aaa veryl\<C-R>\<C-W> bbb\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"aaa verylongword bbb', @:)
+
+  call feedkeys("f;:aaa \<C-R>\<C-A> bbb\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"aaa a;b-c*d bbb', @:)
+
+  call feedkeys(":\<C-\>etoupper(getline(1))\<CR>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"ASDF.X /TMP/SOME VERYLONGWORD A;B-C*D ', @:)
+  bwipe!
+
+  " Error while typing a command used to cause that it was not executed
+  " in the end.
+  new
+  try
+    call feedkeys(":file \<C-R>%Xtestfile\<CR>", 'tx')
+  catch /^Vim\%((\a\+)\)\=:E32/
+    " ignore error E32
+  endtry
+  call assert_equal("Xtestfile", bufname("%"))
+
+  " Try to paste an invalid register using <C-R>
+  call feedkeys(":\"one\<C-R>\<C-X>two\<CR>", 'xt')
+  call assert_equal('"onetwo', @:)
+
+  " Test for pasting register containing CTRL-H using CTRL-R and CTRL-R CTRL-R
+  let @a = "xy\<C-H>z"
+  call feedkeys(":\"\<C-R>a\<CR>", 'xt')
+  call assert_equal('"xz', @:)
+  call feedkeys(":\"\<C-R>\<C-R>a\<CR>", 'xt')
+  call assert_equal("\"xy\<C-H>z", @:)
+  call feedkeys(":\"\<C-R>\<C-O>a\<CR>", 'xt')
+  call assert_equal("\"xy\<C-H>z", @:)
+
+  " Test for pasting register containing CTRL-V using CTRL-R and CTRL-R CTRL-R
+  let @a = "xy\<C-V>z"
+  call feedkeys(":\"\<C-R>=@a\<CR>\<cr>", 'xt')
+  call assert_equal('"xyz', @:)
+  call feedkeys(":\"\<C-R>\<C-R>=@a\<CR>\<cr>", 'xt')
+  call assert_equal("\"xy\<C-V>z", @:)
+
+  call assert_beeps('call feedkeys(":\<C-R>=\<C-R>=\<Esc>", "xt")')
+
+  bwipe!
+endfunc
+
+func Test_cmdline_remove_char()
+  let encoding_save = &encoding
+
+  for e in ['utf8', 'latin1']
+    exe 'set encoding=' . e
+
+    call feedkeys(":abc def\<S-Left>\<Del>\<C-B>\"\<CR>", 'tx')
+    call assert_equal('"abc ef', @:, e)
+
+    call feedkeys(":abc def\<S-Left>\<BS>\<C-B>\"\<CR>", 'tx')
+    call assert_equal('"abcdef', @:)
+
+    call feedkeys(":abc def ghi\<S-Left>\<C-W>\<C-B>\"\<CR>", 'tx')
+    call assert_equal('"abc ghi', @:, e)
+
+    call feedkeys(":abc def\<S-Left>\<C-U>\<C-B>\"\<CR>", 'tx')
+    call assert_equal('"def', @:, e)
+  endfor
+
+  let &encoding = encoding_save
+endfunc
+
+func Test_cmdline_keymap_ctrl_hat()
+  CheckFeature keymap
+
+  set keymap=esperanto
+  call feedkeys(":\"Jxauxdo \<C-^>Jxauxdo \<C-^>Jxauxdo\<CR>", 'tx')
+  call assert_equal('"Jxauxdo Ĵaŭdo Jxauxdo', @:)
+  set keymap=
+endfunc
+
+func Test_illegal_address1()
+  new
+  2;'(
+  2;')
+  quit
+endfunc
+
+func Test_illegal_address2()
+  call writefile(['c', 'x', '  x', '.', '1;y'], 'Xtest.vim')
+  new
+  source Xtest.vim
+  " Trigger calling validate_cursor()
+  diffsp Xtest.vim
+  quit!
+  bwipe!
+  call delete('Xtest.vim')
+endfunc
+
+func Test_cmdline_complete_wildoptions()
+  help
+  call feedkeys(":tag /\<c-a>\<c-b>\"\<cr>", 'tx')
+  let a = join(sort(split(@:)),' ')
+  set wildoptions=tagfile
+  call feedkeys(":tag /\<c-a>\<c-b>\"\<cr>", 'tx')
+  let b = join(sort(split(@:)),' ')
+  call assert_equal(a, b)
+  bw!
+endfunc
+
+func Test_cmdline_complete_user_cmd()
+  command! -complete=color -nargs=1 Foo :
+  call feedkeys(":Foo \<Tab>\<Home>\"\<cr>", 'tx')
+  call assert_equal('"Foo blue', @:)
+  call feedkeys(":Foo b\<Tab>\<Home>\"\<cr>", 'tx')
+  call assert_equal('"Foo blue', @:)
+  delcommand Foo
+endfunc
+
+func s:ScriptLocalFunction()
+  echo 'yes'
+endfunc
+
+func Test_cmdline_complete_user_func()
+  call feedkeys(":func Test_cmdline_complete_user\<Tab>\<Home>\"\<cr>", 'tx')
+  call assert_match('"func Test_cmdline_complete_user', @:)
+  call feedkeys(":func s:ScriptL\<Tab>\<Home>\"\<cr>", 'tx')
+  call assert_match('"func <SNR>\d\+_ScriptLocalFunction', @:)
+
+  " g: prefix also works
+  call feedkeys(":echo g:Test_cmdline_complete_user_f\<Tab>\<Home>\"\<cr>", 'tx')
+  call assert_match('"echo g:Test_cmdline_complete_user_func', @:)
+endfunc
+
+func Test_cmdline_complete_user_names()
+  if has('unix') && executable('whoami')
+    let whoami = systemlist('whoami')[0]
+    let first_letter = whoami[0]
+    if len(first_letter) > 0
+      " Trying completion of  :e ~x  where x is the first letter of
+      " the user name should complete to at least the user name.
+      call feedkeys(':e ~' . first_letter . "\<c-a>\<c-B>\"\<cr>", 'tx')
+      call assert_match('^"e \~.*\<' . whoami . '\>', @:)
+    endif
+  elseif has('win32')
+    " Just in case: check that the system has an Administrator account.
+    let names = system('net user')
+    if names =~ 'Administrator'
+      " Trying completion of  :e ~A  should complete to Administrator.
+      " There could be other names starting with "A" before Administrator.
+      call feedkeys(':e ~A' . "\<c-a>\<c-B>\"\<cr>", 'tx')
+      call assert_match('^"e \~.*Administrator', @:)
+    endif
+  else
+    throw 'Skipped: does not work on this platform'
+  endif
+endfunc
+
+func Test_cmdline_complete_bang()
+  CheckExecutable whoami
+  call feedkeys(":!whoam\<C-A>\<C-B>\"\<CR>", 'tx')
+  call assert_match('^".*\<whoami\>', @:)
+endfunc
+
+func Test_cmdline_complete_languages()
+  let lang = substitute(execute('language time'), '.*"\(.*\)"$', '\1', '')
+  call assert_equal(lang, v:lc_time)
+
+  let lang = substitute(execute('language ctype'), '.*"\(.*\)"$', '\1', '')
+  call assert_equal(lang, v:ctype)
+
+  let lang = substitute(execute('language collate'), '.*"\(.*\)"$', '\1', '')
+  call assert_equal(lang, v:collate)
+
+  let lang = substitute(execute('language messages'), '.*"\(.*\)"$', '\1', '')
+  call assert_equal(lang, v:lang)
+
+  call feedkeys(":language \<c-a>\<c-b>\"\<cr>", 'tx')
+  call assert_match('^"language .*\<collate\>.*\<ctype\>.*\<messages\>.*\<time\>', @:)
+
+  call assert_match('^"language .*\<' . lang . '\>', @:)
+
+  call feedkeys(":language messages \<c-a>\<c-b>\"\<cr>", 'tx')
+  call assert_match('^"language .*\<' . lang . '\>', @:)
+
+  call feedkeys(":language ctype \<c-a>\<c-b>\"\<cr>", 'tx')
+  call assert_match('^"language .*\<' . lang . '\>', @:)
+
+  call feedkeys(":language time \<c-a>\<c-b>\"\<cr>", 'tx')
+  call assert_match('^"language .*\<' . lang . '\>', @:)
+
+  call feedkeys(":language collate \<c-a>\<c-b>\"\<cr>", 'tx')
+  call assert_match('^"language .*\<' . lang . '\>', @:)
+endfunc
+
+func Test_cmdline_complete_env_variable()
+  let $X_VIM_TEST_COMPLETE_ENV = 'foo'
+  call feedkeys(":edit $X_VIM_TEST_COMPLETE_E\<C-A>\<C-B>\"\<CR>", 'tx')
+  call assert_match('"edit $X_VIM_TEST_COMPLETE_ENV', @:)
+  unlet $X_VIM_TEST_COMPLETE_ENV
+endfunc
+
+func Test_cmdline_complete_expression()
+  let g:SomeVar = 'blah'
+  for cmd in ['exe', 'echo', 'echon', 'echomsg']
+    call feedkeys(":" .. cmd .. " SomeV\<Tab>\<C-B>\"\<CR>", 'tx')
+    call assert_match('"' .. cmd .. ' SomeVar', @:)
+    call feedkeys(":" .. cmd .. " foo SomeV\<Tab>\<C-B>\"\<CR>", 'tx')
+    call assert_match('"' .. cmd .. ' foo SomeVar', @:)
+  endfor
+  unlet g:SomeVar
+endfunc
+
+" Test for various command-line completion
+func Test_cmdline_complete_various()
+  " completion for a command starting with a comment
+  call feedkeys(": :|\"\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\" :|\"\<C-A>", @:)
+
+  " completion for a range followed by a comment
+  call feedkeys(":1,2\"\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"1,2\"\<C-A>", @:)
+
+  " completion for :k command
+  call feedkeys(":ka\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"ka\<C-A>", @:)
+
+  " completion for short version of the :s command
+  call feedkeys(":sI \<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"sI \<C-A>", @:)
+
+  " completion for :write command
+  call mkdir('Xdir')
+  call writefile(['one'], 'Xdir/Xfile1')
+  let save_cwd = getcwd()
+  cd Xdir
+  call feedkeys(":w >> \<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"w >> Xfile1", @:)
+  call chdir(save_cwd)
+  call delete('Xdir', 'rf')
+
+  " completion for :w ! and :r ! commands
+  call feedkeys(":w !invalid_xyz_cmd\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"w !invalid_xyz_cmd", @:)
+  call feedkeys(":r !invalid_xyz_cmd\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"r !invalid_xyz_cmd", @:)
+
+  " completion for :>> and :<< commands
+  call feedkeys(":>>>\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\">>>\<C-A>", @:)
+  call feedkeys(":<<<\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"<<<\<C-A>", @:)
+
+  " completion for command with +cmd argument
+  call feedkeys(":buffer +/pat Xabc\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"buffer +/pat Xabc", @:)
+  call feedkeys(":buffer +/pat\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"buffer +/pat\<C-A>", @:)
+
+  " completion for a command with a trailing comment
+  call feedkeys(":ls \" comment\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"ls \" comment\<C-A>", @:)
+
+  " completion for a command with a trailing command
+  call feedkeys(":ls | ls\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"ls | ls", @:)
+
+  " completion for a command with an CTRL-V escaped argument
+  call feedkeys(":ls \<C-V>\<C-V>a\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"ls \<C-V>a\<C-A>", @:)
+
+  " completion for a command that doesn't take additional arguments
+  call feedkeys(":all abc\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"all abc\<C-A>", @:)
+
+  " completion for a command with a command modifier
+  call feedkeys(":topleft new\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"topleft new", @:)
+
+  " completion for the :match command
+  call feedkeys(":match Search /pat/\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"match Search /pat/\<C-A>", @:)
+
+  " completion for the :s command
+  call feedkeys(":s/from/to/g\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"s/from/to/g\<C-A>", @:)
+
+  " completion for the :dlist command
+  call feedkeys(":dlist 10 /pat/ a\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"dlist 10 /pat/ a\<C-A>", @:)
+
+  " completion for the :doautocmd command
+  call feedkeys(":doautocmd User MyCmd a.c\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"doautocmd User MyCmd a.c\<C-A>", @:)
+
+  " completion of autocmd group after comma
+  call feedkeys(":doautocmd BufNew,BufEn\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"doautocmd BufNew,BufEnter", @:)
+
+  " completion for the :augroup command
+  augroup XTest
+  augroup END
+  call feedkeys(":augroup X\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"augroup XTest", @:)
+  augroup! XTest
+
+  " completion for the :unlet command
+  call feedkeys(":unlet one two\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"unlet one two", @:)
+
+  " completion for the :bdelete command
+  call feedkeys(":bdel a b c\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"bdel a b c", @:)
+
+  " completion for the :mapclear command
+  call feedkeys(":mapclear \<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"mapclear <buffer>", @:)
+
+  " completion for user defined commands with menu names
+  menu Test.foo :ls<CR>
+  com -nargs=* -complete=menu MyCmd
+  call feedkeys(":MyCmd Te\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"MyCmd Test.', @:)
+  delcom MyCmd
+  unmenu Test
+
+  " completion for user defined commands with mappings
+  mapclear
+  map <F3> :ls<CR>
+  com -nargs=* -complete=mapping MyCmd
+  call feedkeys(":MyCmd <F\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"MyCmd <F3>', @:)
+  mapclear
+  delcom MyCmd
+
+  " completion for :set path= with multiple backslashes
+  call feedkeys(":set path=a\\\\\\ b\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"set path=a\\\ b', @:)
+
+  " completion for :set dir= with a backslash
+  call feedkeys(":set dir=a\\ b\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"set dir=a\ b', @:)
+
+  " completion for the :py3 commands
+  call feedkeys(":py3\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"py3 py3do py3file', @:)
+
+  " redir @" is not the start of a comment. So complete after that
+  call feedkeys(":redir @\" | cwin\t\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"redir @" | cwindow', @:)
+
+  " completion after a backtick
+  call feedkeys(":e `a1b2c\t\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"e `a1b2c', @:)
+
+  " completion for :language command with an invalid argument
+  call feedkeys(":language dummy \t\<C-B>\"\<CR>", 'xt')
+  call assert_equal("\"language dummy \t", @:)
+
+  " completion for commands after a :global command
+  call feedkeys(":g/a\\xb/clearj\t\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"g/a\xb/clearjumps', @:)
+
+  " completion with ambiguous user defined commands
+  com TCmd1 echo 'TCmd1'
+  com TCmd2 echo 'TCmd2'
+  call feedkeys(":TCmd \t\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"TCmd ', @:)
+  delcom TCmd1
+  delcom TCmd2
+
+  " completion after a range followed by a pipe (|) character
+  call feedkeys(":1,10 | chist\t\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"1,10 | chistory', @:)
+
+  " use <Esc> as the 'wildchar' for completion
+  set wildchar=<Esc>
+  call feedkeys(":g/a\\xb/clearj\<Esc>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"g/a\xb/clearjumps', @:)
+  " pressing <esc> twice should cancel the command
+  call feedkeys(":chist\<Esc>\<Esc>", 'xt')
+  call assert_equal('"g/a\xb/clearjumps', @:)
+  set wildchar&
+endfunc
+
+func Test_cmdline_write_alternatefile()
+  new
+  call setline('.', ['one', 'two'])
+  f foo.txt
+  new
+  f #-A
+  call assert_equal('foo.txt-A', expand('%'))
+  f #<-B.txt
+  call assert_equal('foo-B.txt', expand('%'))
+  f %<
+  call assert_equal('foo-B', expand('%'))
+  new
+  call assert_fails('f #<', 'E95:')
+  bw!
+  f foo-B.txt
+  f %<-A
+  call assert_equal('foo-B-A', expand('%'))
+  bw!
+  bw!
+endfunc
+
+" using a leading backslash here
+set cpo+=C
+
+func Test_cmdline_search_range()
+  new
+  call setline(1, ['a', 'b', 'c', 'd'])
+  /d
+  1,\/s/b/B/
+  call assert_equal('B', getline(2))
+
+  /a
+  $
+  \?,4s/c/C/
+  call assert_equal('C', getline(3))
+
+  call setline(1, ['a', 'b', 'c', 'd'])
+  %s/c/c/
+  1,\&s/b/B/
+  call assert_equal('B', getline(2))
+
+  let @/ = 'apple'
+  call assert_fails('\/print', ['E486:.*apple'])
+
+  bwipe!
+endfunc
+
+" Test for the tick mark (') in an excmd range
+func Test_tick_mark_in_range()
+  " If only the tick is passed as a range and no command is specified, there
+  " should not be an error
+  call feedkeys(":'\<CR>", 'xt')
+  call assert_equal("'", getreg(':'))
+  call assert_fails("',print", 'E78:')
+endfunc
+
+" Test for using a line number followed by a search pattern as range
+func Test_lnum_and_pattern_as_range()
+  new
+  call setline(1, ['foo 1', 'foo 2', 'foo 3'])
+  let @" = ''
+  2/foo/yank
+  call assert_equal("foo 3\n", @")
+  call assert_equal(1, line('.'))
+  close!
+endfunc
+
+" Tests for getcmdline(), getcmdpos() and getcmdtype()
+func Check_cmdline(cmdtype)
+  call assert_equal('MyCmd a', getcmdline())
+  call assert_equal(8, getcmdpos())
+  call assert_equal(a:cmdtype, getcmdtype())
+  return ''
+endfunc
+
+set cpo&
+
+func Test_getcmdtype()
+  call feedkeys(":MyCmd a\<C-R>=Check_cmdline(':')\<CR>\<Esc>", "xt")
+
+  let cmdtype = ''
+  debuggreedy
+  call feedkeys(":debug echo 'test'\<CR>", "t")
+  call feedkeys("let cmdtype = \<C-R>=string(getcmdtype())\<CR>\<CR>", "t")
+  call feedkeys("cont\<CR>", "xt")
+  0debuggreedy
+  call assert_equal('>', cmdtype)
+
+  call feedkeys("/MyCmd a\<C-R>=Check_cmdline('/')\<CR>\<Esc>", "xt")
+  call feedkeys("?MyCmd a\<C-R>=Check_cmdline('?')\<CR>\<Esc>", "xt")
+
+  call feedkeys(":call input('Answer?')\<CR>", "t")
+  call feedkeys("MyCmd a\<C-R>=Check_cmdline('@')\<CR>\<C-C>", "xt")
+
+  call feedkeys(":insert\<CR>MyCmd a\<C-R>=Check_cmdline('-')\<CR>\<Esc>", "xt")
+
+  cnoremap <expr> <F6> Check_cmdline('=')
+  call feedkeys("a\<C-R>=MyCmd a\<F6>\<Esc>\<Esc>", "xt")
+  cunmap <F6>
+
+  call assert_equal('', getcmdline())
+endfunc
+
+func Test_getcmdwintype()
+  CheckFeature cmdwin
+
+  call feedkeys("q/:let a = getcmdwintype()\<CR>:q\<CR>", 'x!')
+  call assert_equal('/', a)
+
+  call feedkeys("q?:let a = getcmdwintype()\<CR>:q\<CR>", 'x!')
+  call assert_equal('?', a)
+
+  call feedkeys("q::let a = getcmdwintype()\<CR>:q\<CR>", 'x!')
+  call assert_equal(':', a)
+
+  call feedkeys(":\<C-F>:let a = getcmdwintype()\<CR>:q\<CR>", 'x!')
+  call assert_equal(':', a)
+
+  call assert_equal('', getcmdwintype())
+endfunc
+
+func Test_getcmdwin_autocmd()
+  CheckFeature cmdwin
+
+  let s:seq = []
+  augroup CmdWin
+  au WinEnter * call add(s:seq, 'WinEnter ' .. win_getid())
+  au WinLeave * call add(s:seq, 'WinLeave ' .. win_getid())
+  au BufEnter * call add(s:seq, 'BufEnter ' .. bufnr())
+  au BufLeave * call add(s:seq, 'BufLeave ' .. bufnr())
+  au CmdWinEnter * call add(s:seq, 'CmdWinEnter ' .. win_getid())
+  au CmdWinLeave * call add(s:seq, 'CmdWinLeave ' .. win_getid())
+
+  let org_winid = win_getid()
+  let org_bufnr = bufnr()
+  call feedkeys("q::let a = getcmdwintype()\<CR>:let s:cmd_winid = win_getid()\<CR>:let s:cmd_bufnr = bufnr()\<CR>:q\<CR>", 'x!')
+  call assert_equal(':', a)
+  call assert_equal([
+	\ 'WinLeave ' .. org_winid,
+	\ 'WinEnter ' .. s:cmd_winid,
+	\ 'BufLeave ' .. org_bufnr,
+	\ 'BufEnter ' .. s:cmd_bufnr,
+	\ 'CmdWinEnter ' .. s:cmd_winid,
+	\ 'CmdWinLeave ' .. s:cmd_winid,
+	\ 'BufLeave ' .. s:cmd_bufnr,
+	\ 'WinLeave ' .. s:cmd_winid,
+	\ 'WinEnter ' .. org_winid,
+	\ 'BufEnter ' .. org_bufnr,
+	\ ], s:seq)
+
+  au!
+  augroup END
+endfunc
+
+func Test_verbosefile()
+  set verbosefile=Xlog
+  echomsg 'foo'
+  echomsg 'bar'
+  set verbosefile=
+  let log = readfile('Xlog')
+  call assert_match("foo\nbar", join(log, "\n"))
+  call delete('Xlog')
+  call mkdir('Xdir')
+  call assert_fails('set verbosefile=Xdir', ['E484:.*Xdir', 'E474:'])
+  call delete('Xdir', 'd')
+endfunc
+
+func Test_verbose_option()
+  CheckScreendump
+
+  let lines =<< trim [SCRIPT]
+    command DoSomething echo 'hello' |set ts=4 |let v = '123' |echo v
+    call feedkeys("\r", 't') " for the hit-enter prompt
+    set verbose=20
+  [SCRIPT]
+  call writefile(lines, 'XTest_verbose')
+
+  let buf = RunVimInTerminal('-S XTest_verbose', {'rows': 12})
+  call TermWait(buf, 50)
+  call term_sendkeys(buf, ":DoSomething\<CR>")
+  call VerifyScreenDump(buf, 'Test_verbose_option_1', {})
+
+  " clean up
+  call StopVimInTerminal(buf)
+  call delete('XTest_verbose')
+endfunc
+
+func Test_setcmdpos()
+  func InsertTextAtPos(text, pos)
+    call assert_equal(0, setcmdpos(a:pos))
+    return a:text
+  endfunc
+
+  " setcmdpos() with position in the middle of the command line.
+  call feedkeys(":\"12\<C-R>=InsertTextAtPos('a', 3)\<CR>b\<CR>", 'xt')
+  call assert_equal('"1ab2', @:)
+
+  call feedkeys(":\"12\<C-R>\<C-R>=InsertTextAtPos('a', 3)\<CR>b\<CR>", 'xt')
+  call assert_equal('"1b2a', @:)
+
+  " setcmdpos() with position beyond the end of the command line.
+  call feedkeys(":\"12\<C-B>\<C-R>=InsertTextAtPos('a', 10)\<CR>b\<CR>", 'xt')
+  call assert_equal('"12ab', @:)
+
+  " setcmdpos() returns 1 when not editing the command line.
+  call assert_equal(1, 3->setcmdpos())
+endfunc
+
+func Test_cmdline_overstrike()
+  let encodings = ['latin1', 'utf8']
+  let encoding_save = &encoding
+
+  for e in encodings
+    exe 'set encoding=' . e
+
+    " Test overstrike in the middle of the command line.
+    call feedkeys(":\"01234\<home>\<right>\<right>ab\<right>\<insert>cd\<enter>", 'xt')
+    call assert_equal('"0ab1cd4', @:, e)
+
+    " Test overstrike going beyond end of command line.
+    call feedkeys(":\"01234\<home>\<right>\<right>ab\<right>\<insert>cdefgh\<enter>", 'xt')
+    call assert_equal('"0ab1cdefgh', @:, e)
+
+    " Test toggling insert/overstrike a few times.
+    call feedkeys(":\"01234\<home>\<right>ab\<right>\<insert>cd\<right>\<insert>ef\<enter>", 'xt')
+    call assert_equal('"ab0cd3ef4', @:, e)
+  endfor
+
+  " Test overstrike with multi-byte characters.
+  call feedkeys(":\"テキストエディタ\<home>\<right>\<right>ab\<right>\<insert>cd\<enter>", 'xt')
+  call assert_equal('"テabキcdエディタ', @:, e)
+
+  let &encoding = encoding_save
+endfunc
+
+func Test_cmdwin_bug()
+  CheckFeature cmdwin
+
+  let winid = win_getid()
+  sp
+  try
+    call feedkeys("q::call win_gotoid(" .. winid .. ")\<CR>:q\<CR>", 'x!')
+  catch /^Vim\%((\a\+)\)\=:E11/
+  endtry
+  bw!
+endfunc
+
+func Test_cmdwin_restore()
+  CheckFeature cmdwin
+  CheckScreendump
+
+  let lines =<< trim [SCRIPT]
+    call setline(1, range(30))
+    2split
+  [SCRIPT]
+  call writefile(lines, 'XTest_restore')
+
+  let buf = RunVimInTerminal('-S XTest_restore', {'rows': 12})
+  call TermWait(buf, 50)
+  call term_sendkeys(buf, "q:")
+  call VerifyScreenDump(buf, 'Test_cmdwin_restore_1', {})
+
+  " normal restore
+  call term_sendkeys(buf, ":q\<CR>")
+  call VerifyScreenDump(buf, 'Test_cmdwin_restore_2', {})
+
+  " restore after setting 'lines' with one window
+  call term_sendkeys(buf, ":close\<CR>")
+  call term_sendkeys(buf, "q:")
+  call term_sendkeys(buf, ":set lines=18\<CR>")
+  call term_sendkeys(buf, ":q\<CR>")
+  call VerifyScreenDump(buf, 'Test_cmdwin_restore_3', {})
+
+  " clean up
+  call StopVimInTerminal(buf)
+  call delete('XTest_restore')
+endfunc
+
+func Test_buffers_lastused()
+  " check that buffers are sorted by time when wildmode has lastused
+  call test_settime(1550020000)	  " middle
+  edit bufa
+  enew
+  call test_settime(1550030000)	  " newest
+  edit bufb
+  enew
+  call test_settime(1550010000)	  " oldest
+  edit bufc
+  enew
+  call test_settime(0)
+  enew
+
+  call assert_equal(['bufa', 'bufb', 'bufc'],
+	\ getcompletion('', 'buffer'))
+
+  let save_wildmode = &wildmode
+  set wildmode=full:lastused
+
+  let cap = "\<c-r>=execute('let X=getcmdline()')\<cr>"
+  call feedkeys(":b \<tab>" .. cap .. "\<esc>", 'xt')
+  call assert_equal('b bufb', X)
+  call feedkeys(":b \<tab>\<tab>" .. cap .. "\<esc>", 'xt')
+  call assert_equal('b bufa', X)
+  call feedkeys(":b \<tab>\<tab>\<tab>" .. cap .. "\<esc>", 'xt')
+  call assert_equal('b bufc', X)
+  enew
+
+  edit other
+  call feedkeys(":b \<tab>" .. cap .. "\<esc>", 'xt')
+  call assert_equal('b bufb', X)
+  call feedkeys(":b \<tab>\<tab>" .. cap .. "\<esc>", 'xt')
+  call assert_equal('b bufa', X)
+  call feedkeys(":b \<tab>\<tab>\<tab>" .. cap .. "\<esc>", 'xt')
+  call assert_equal('b bufc', X)
+  enew
+
+  let &wildmode = save_wildmode
+
+  bwipeout bufa
+  bwipeout bufb
+  bwipeout bufc
+endfunc
+
+func Test_cmdwin_feedkeys()
+  CheckFeature cmdwin
+
+  " This should not generate E488
+  call feedkeys("q:\<CR>", 'x')
+  " Using feedkeys with q: only should automatically close the cmd window
+  call feedkeys('q:', 'xt')
+  call assert_equal(1, winnr('$'))
+  call assert_equal('', getcmdwintype())
+endfunc
+
+" Tests for the issues fixed in 7.4.441.
+" When 'cedit' is set to Ctrl-C, opening the command window hangs Vim
+func Test_cmdwin_cedit()
+  CheckFeature cmdwin
+
+  exe "set cedit=\<C-c>"
+  normal! :
+  call assert_equal(1, winnr('$'))
+
+  let g:cmd_wintype = ''
+  func CmdWinType()
+      let g:cmd_wintype = getcmdwintype()
+      let g:wintype = win_gettype()
+      return ''
+  endfunc
+
+  call feedkeys("\<C-c>a\<C-R>=CmdWinType()\<CR>\<CR>")
+  echo input('')
+  call assert_equal('@', g:cmd_wintype)
+  call assert_equal('command', g:wintype)
+
+  set cedit&vim
+  delfunc CmdWinType
+endfunc
+
+" Test for CmdwinEnter autocmd
+func Test_cmdwin_autocmd()
+  CheckFeature cmdwin
+
+  augroup CmdWin
+    au!
+    autocmd BufLeave * if &buftype == '' | update | endif
+    autocmd CmdwinEnter * startinsert
+  augroup END
+
+  call assert_fails('call feedkeys("q:xyz\<CR>", "xt")', 'E492:')
+  call assert_equal('xyz', @:)
+
+  augroup CmdWin
+    au!
+  augroup END
+  augroup! CmdWin
+endfunc
+
+func Test_cmdlineclear_tabenter()
+  CheckScreendump
+
+  let lines =<< trim [SCRIPT]
+    call setline(1, range(30))
+  [SCRIPT]
+
+  call writefile(lines, 'XtestCmdlineClearTabenter')
+  let buf = RunVimInTerminal('-S XtestCmdlineClearTabenter', #{rows: 10})
+  call TermWait(buf, 25)
+  " in one tab make the command line higher with CTRL-W -
+  call term_sendkeys(buf, ":tabnew\<cr>\<C-w>-\<C-w>-gtgt")
+  call VerifyScreenDump(buf, 'Test_cmdlineclear_tabenter', {})
+
+  call StopVimInTerminal(buf)
+  call delete('XtestCmdlineClearTabenter')
+endfunc
+
+" Test for failure in expanding special keywords in cmdline
+func Test_cmdline_expand_special()
+  %bwipe!
+  call assert_fails('e #', 'E499:')
+  call assert_fails('e <afile>', 'E495:')
+  call assert_fails('e <abuf>', 'E496:')
+  call assert_fails('e <amatch>', 'E497:')
+endfunc
+
+func Test_cmdwin_jump_to_win()
+  CheckFeature cmdwin
+
+  call assert_fails('call feedkeys("q:\<C-W>\<C-W>\<CR>", "xt")', 'E11:')
+  new
+  set modified
+  call assert_fails('call feedkeys("q/:qall\<CR>", "xt")', ['E37:', 'E162:'])
+  close!
+  call feedkeys("q/:close\<CR>", "xt")
+  call assert_equal(1, winnr('$'))
+  call feedkeys("q/:exit\<CR>", "xt")
+  call assert_equal(1, winnr('$'))
+
+  " opening command window twice should fail
+  call assert_beeps('call feedkeys("q:q:\<CR>\<CR>", "xt")')
+  call assert_equal(1, winnr('$'))
+endfunc
+
+func Test_cmdwin_interrupted()
+  CheckFeature cmdwin
+  CheckScreendump
+
+  " aborting the :smile output caused the cmdline window to use the current
+  " buffer.
+  let lines =<< trim [SCRIPT]
+    au WinNew * smile
+  [SCRIPT]
+  call writefile(lines, 'XTest_cmdwin')
+
+  let buf = RunVimInTerminal('-S XTest_cmdwin', {'rows': 18})
+  " open cmdwin
+  call term_sendkeys(buf, "q:")
+  call WaitForAssert({-> assert_match('-- More --', term_getline(buf, 18))})
+  " quit more prompt for :smile command
+  call term_sendkeys(buf, "q")
+  call WaitForAssert({-> assert_match('^$', term_getline(buf, 18))})
+  " execute a simple command
+  call term_sendkeys(buf, "aecho 'done'\<CR>")
+  call VerifyScreenDump(buf, 'Test_cmdwin_interrupted', {})
+
+  " clean up
+  call StopVimInTerminal(buf)
+  call delete('XTest_cmdwin')
+endfunc
+
+" Test for backtick expression in the command line
+func Test_cmd_backtick()
+  %argd
+  argadd `=['a', 'b', 'c']`
+  call assert_equal(['a', 'b', 'c'], argv())
+  %argd
+endfunc
+
+" Test for the :! command
+func Test_cmd_bang()
+  CheckUnix
+
+  let lines =<< trim [SCRIPT]
+    " Test for no previous command
+    call assert_fails('!!', 'E34:')
+    set nomore
+    " Test for cmdline expansion with :!
+    call setline(1, 'foo!')
+    silent !echo <cWORD> > Xfile.out
+    call assert_equal(['foo!'], readfile('Xfile.out'))
+    " Test for using previous command
+    silent !echo \! !
+    call assert_equal(['! echo foo!'], readfile('Xfile.out'))
+    call writefile(v:errors, 'Xresult')
+    call delete('Xfile.out')
+    qall!
+  [SCRIPT]
+  call writefile(lines, 'Xscript')
+  if RunVim([], [], '--clean -S Xscript')
+    call assert_equal([], readfile('Xresult'))
+  endif
+  call delete('Xscript')
+  call delete('Xresult')
+endfunc
+
+" Test error: "E135: *Filter* Autocommands must not change current buffer"
+func Test_cmd_bang_E135()
+  new
+  call setline(1, ['a', 'b', 'c', 'd'])
+  augroup test_cmd_filter_E135
+    au!
+    autocmd FilterReadPost * help
+  augroup END
+  call assert_fails('2,3!echo "x"', 'E135:')
+
+  augroup test_cmd_filter_E135
+    au!
+  augroup END
+  %bwipe!
+endfunc
+
+" Test for using ~ for home directory in cmdline completion matches
+func Test_cmdline_expand_home()
+  call mkdir('Xdir')
+  call writefile([], 'Xdir/Xfile1')
+  call writefile([], 'Xdir/Xfile2')
+  cd Xdir
+  let save_HOME = $HOME
+  let $HOME = getcwd()
+  call feedkeys(":e ~/\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"e ~/Xfile1 ~/Xfile2', @:)
+  let $HOME = save_HOME
+  cd ..
+  call delete('Xdir', 'rf')
+endfunc
+
+" Test for using CTRL-\ CTRL-G in the command line to go back to normal mode
+" or insert mode (when 'insertmode' is set)
+func Test_cmdline_ctrl_g()
+  new
+  call setline(1, 'abc')
+  call cursor(1, 3)
+  " If command line is entered from insert mode, using C-\ C-G should back to
+  " insert mode
+  call feedkeys("i\<C-O>:\<C-\>\<C-G>xy", 'xt')
+  call assert_equal('abxyc', getline(1))
+  call assert_equal(4, col('.'))
+
+  " If command line is entered in 'insertmode', using C-\ C-G should back to
+  " 'insertmode'
+  call feedkeys(":set im\<cr>\<C-L>:\<C-\>\<C-G>12\<C-L>:set noim\<cr>", 'xt')
+  call assert_equal('ab12xyc', getline(1))
+  close!
+endfunc
+
+" Test for 'wildmode'
+func Test_wildmode()
+  func T(a, c, p)
+    return "oneA\noneB\noneC"
+  endfunc
+  command -nargs=1 -complete=custom,T MyCmd
+
+  func SaveScreenLine()
+    let g:Sline = Screenline(&lines - 1)
+    return ''
+  endfunc
+  cnoremap <expr> <F2> SaveScreenLine()
+
+  set nowildmenu
+  set wildmode=full,list
+  let g:Sline = ''
+  call feedkeys(":MyCmd \t\t\<F2>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('oneA  oneB  oneC', g:Sline)
+  call assert_equal('"MyCmd oneA', @:)
+
+  set wildmode=longest,full
+  call feedkeys(":MyCmd o\t\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"MyCmd one', @:)
+  call feedkeys(":MyCmd o\t\t\t\t\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"MyCmd oneC', @:)
+
+  set wildmode=longest
+  call feedkeys(":MyCmd one\t\t\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"MyCmd one', @:)
+
+  set wildmode=list:longest
+  let g:Sline = ''
+  call feedkeys(":MyCmd \t\<F2>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('oneA  oneB  oneC', g:Sline)
+  call assert_equal('"MyCmd one', @:)
+
+  set wildmode=""
+  call feedkeys(":MyCmd \t\t\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"MyCmd oneA', @:)
+
+  " Test for wildmode=longest with 'fileignorecase' set
+  set wildmode=longest
+  set fileignorecase
+  argadd AAA AAAA AAAAA
+  call feedkeys(":buffer a\t\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"buffer AAA', @:)
+  set fileignorecase&
+
+  " Test for listing files with wildmode=list
+  set wildmode=list
+  let g:Sline = ''
+  call feedkeys(":b A\t\t\<F2>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('AAA    AAAA   AAAAA', g:Sline)
+  call assert_equal('"b A', @:)
+
+  %argdelete
+  delcommand MyCmd
+  delfunc T
+  delfunc SaveScreenLine
+  cunmap <F2>
+  set wildmode&
+  %bwipe!
+endfunc
+
+" Test for interrupting the command-line completion
+func Test_interrupt_compl()
+  func F(lead, cmdl, p)
+    if a:lead =~ 'tw'
+      call interrupt()
+      return
+    endif
+    return "one\ntwo\nthree"
+  endfunc
+  command -nargs=1 -complete=custom,F Tcmd
+
+  set nowildmenu
+  set wildmode=full
+  let interrupted = 0
+  try
+    call feedkeys(":Tcmd tw\<Tab>\<C-B>\"\<CR>", 'xt')
+  catch /^Vim:Interrupt$/
+    let interrupted = 1
+  endtry
+  call assert_equal(1, interrupted)
+
+  delcommand Tcmd
+  delfunc F
+  set wildmode&
+endfunc
+
+" Test for moving the cursor on the : command line
+func Test_cmdline_edit()
+  let str = ":one two\<C-U>"
+  let str ..= "one two\<C-W>\<C-W>"
+  let str ..= "four\<BS>\<C-H>\<Del>\<kDel>"
+  let str ..= "\<Left>five\<Right>"
+  let str ..= "\<Home>two "
+  let str ..= "\<C-Left>one "
+  let str ..= "\<C-Right> three"
+  let str ..= "\<End>\<S-Left>four "
+  let str ..= "\<S-Right> six"
+  let str ..= "\<C-B>\"\<C-E> seven\<CR>"
+  call feedkeys(str, 'xt')
+  call assert_equal("\"one two three four five six seven", @:)
+endfunc
+
+" Test for moving the cursor on the / command line in 'rightleft' mode
+func Test_cmdline_edit_rightleft()
+  CheckFeature rightleft
+  set rightleft
+  set rightleftcmd=search
+  let str = "/one two\<C-U>"
+  let str ..= "one two\<C-W>\<C-W>"
+  let str ..= "four\<BS>\<C-H>\<Del>\<kDel>"
+  let str ..= "\<Right>five\<Left>"
+  let str ..= "\<Home>two "
+  let str ..= "\<C-Right>one "
+  let str ..= "\<C-Left> three"
+  let str ..= "\<End>\<S-Right>four "
+  let str ..= "\<S-Left> six"
+  let str ..= "\<C-B>\"\<C-E> seven\<CR>"
+  call assert_fails("call feedkeys(str, 'xt')", 'E486:')
+  call assert_equal("\"one two three four five six seven", @/)
+  set rightleftcmd&
+  set rightleft&
+endfunc
+
+" Test for using <C-\>e in the command line to evaluate an expression
+func Test_cmdline_expr()
+  " Evaluate an expression from the beginning of a command line
+  call feedkeys(":abc\<C-B>\<C-\>e\"\\\"hello\"\<CR>\<CR>", 'xt')
+  call assert_equal('"hello', @:)
+
+  " Use an invalid expression for <C-\>e
+  call assert_beeps('call feedkeys(":\<C-\>einvalid\<CR>", "tx")')
+
+  " Insert literal <CTRL-\> in the command line
+  call feedkeys(":\"e \<C-\>\<C-Y>\<CR>", 'xt')
+  call assert_equal("\"e \<C-\>\<C-Y>", @:)
+endfunc
+
+" Test for 'imcmdline' and 'imsearch'
+" This test doesn't actually test the input method functionality.
+func Test_cmdline_inputmethod()
+  new
+  call setline(1, ['', 'abc', ''])
+  set imcmdline
+
+  call feedkeys(":\"abc\<CR>", 'xt')
+  call assert_equal("\"abc", @:)
+  call feedkeys(":\"\<C-^>abc\<C-^>\<CR>", 'xt')
+  call assert_equal("\"abc", @:)
+  call feedkeys("/abc\<CR>", 'xt')
+  call assert_equal([2, 1], [line('.'), col('.')])
+  call feedkeys("/\<C-^>abc\<C-^>\<CR>", 'xt')
+  call assert_equal([2, 1], [line('.'), col('.')])
+
+  set imsearch=2
+  call cursor(1, 1)
+  call feedkeys("/abc\<CR>", 'xt')
+  call assert_equal([2, 1], [line('.'), col('.')])
+  call cursor(1, 1)
+  call feedkeys("/\<C-^>abc\<C-^>\<CR>", 'xt')
+  call assert_equal([2, 1], [line('.'), col('.')])
+  set imdisable
+  call feedkeys("/\<C-^>abc\<C-^>\<CR>", 'xt')
+  call assert_equal([2, 1], [line('.'), col('.')])
+  set imdisable&
+  set imsearch&
+
+  set imcmdline&
+  %bwipe!
+endfunc
+
+" Test for recursively getting multiple command line inputs
+func Test_cmdwin_multi_input()
+  CheckFeature cmdwin
+
+  call feedkeys(":\<C-R>=input('P: ')\<CR>\"cyan\<CR>\<CR>", 'xt')
+  call assert_equal('"cyan', @:)
+endfunc
+
+" Test for using CTRL-_ in the command line with 'allowrevins'
+func Test_cmdline_revins()
+  CheckNotMSWindows
+  CheckFeature rightleft
+  call feedkeys(":\"abc\<c-_>\<cr>", 'xt')
+  call assert_equal("\"abc\<c-_>", @:)
+  set allowrevins
+  call feedkeys(":\"abc\<c-_>xyz\<c-_>\<CR>", 'xt')
+  call assert_equal('"abcñèæ', @:)
+  set allowrevins&
+endfunc
+
+" Test for typing UTF-8 composing characters in the command line
+func Test_cmdline_composing_chars()
+  call feedkeys(":\"\<C-V>u3046\<C-V>u3099\<CR>", 'xt')
+  call assert_equal('"ゔ', @:)
+endfunc
+
+" Test for normal mode commands not supported in the cmd window
+func Test_cmdwin_blocked_commands()
+  CheckFeature cmdwin
+
+  call assert_fails('call feedkeys("q:\<C-T>\<CR>", "xt")', 'E11:')
+  call assert_fails('call feedkeys("q:\<C-]>\<CR>", "xt")', 'E11:')
+  call assert_fails('call feedkeys("q:\<C-^>\<CR>", "xt")', 'E11:')
+  call assert_fails('call feedkeys("q:Q\<CR>", "xt")', 'E11:')
+  call assert_fails('call feedkeys("q:Z\<CR>", "xt")', 'E11:')
+  call assert_fails('call feedkeys("q:\<F1>\<CR>", "xt")', 'E11:')
+  call assert_fails('call feedkeys("q:\<C-W>s\<CR>", "xt")', 'E11:')
+  call assert_fails('call feedkeys("q:\<C-W>v\<CR>", "xt")', 'E11:')
+  call assert_fails('call feedkeys("q:\<C-W>^\<CR>", "xt")', 'E11:')
+  call assert_fails('call feedkeys("q:\<C-W>n\<CR>", "xt")', 'E11:')
+  call assert_fails('call feedkeys("q:\<C-W>z\<CR>", "xt")', 'E11:')
+  call assert_fails('call feedkeys("q:\<C-W>o\<CR>", "xt")', 'E11:')
+  call assert_fails('call feedkeys("q:\<C-W>w\<CR>", "xt")', 'E11:')
+  call assert_fails('call feedkeys("q:\<C-W>j\<CR>", "xt")', 'E11:')
+  call assert_fails('call feedkeys("q:\<C-W>k\<CR>", "xt")', 'E11:')
+  call assert_fails('call feedkeys("q:\<C-W>h\<CR>", "xt")', 'E11:')
+  call assert_fails('call feedkeys("q:\<C-W>l\<CR>", "xt")', 'E11:')
+  call assert_fails('call feedkeys("q:\<C-W>T\<CR>", "xt")', 'E11:')
+  call assert_fails('call feedkeys("q:\<C-W>x\<CR>", "xt")', 'E11:')
+  call assert_fails('call feedkeys("q:\<C-W>r\<CR>", "xt")', 'E11:')
+  call assert_fails('call feedkeys("q:\<C-W>R\<CR>", "xt")', 'E11:')
+  call assert_fails('call feedkeys("q:\<C-W>K\<CR>", "xt")', 'E11:')
+  call assert_fails('call feedkeys("q:\<C-W>}\<CR>", "xt")', 'E11:')
+  call assert_fails('call feedkeys("q:\<C-W>]\<CR>", "xt")', 'E11:')
+  call assert_fails('call feedkeys("q:\<C-W>f\<CR>", "xt")', 'E11:')
+  call assert_fails('call feedkeys("q:\<C-W>d\<CR>", "xt")', 'E11:')
+  call assert_fails('call feedkeys("q:\<C-W>g\<CR>", "xt")', 'E11:')
+endfunc
+
+" Close the Cmd-line window in insert mode using CTRL-C
+func Test_cmdwin_insert_mode_close()
+  CheckFeature cmdwin
+
+  %bw!
+  let s = ''
+  exe "normal q:a\<C-C>let s='Hello'\<CR>"
+  call assert_equal('Hello', s)
+  call assert_equal(1, winnr('$'))
+endfunc
+
+" test that ";" works to find a match at the start of the first line
+func Test_zero_line_search()
+  new
+  call setline(1, ["1, pattern", "2, ", "3, pattern"])
+  call cursor(1,1)
+  0;/pattern/d
+  call assert_equal(["2, ", "3, pattern"], getline(1,'$'))
+  q!
+endfunc
+
+func Test_read_shellcmd()
+  CheckUnix
+  if executable('ls')
+    " There should be ls in the $PATH
+    call feedkeys(":r! l\<c-a>\<c-b>\"\<cr>", 'tx')
+    call assert_match('^"r! .*\<ls\>', @:)
+  endif
+
+  if executable('rm')
+    call feedkeys(":r! ++enc=utf-8 r\<c-a>\<c-b>\"\<cr>", 'tx')
+    call assert_notmatch('^"r!.*\<runtest.vim\>', @:)
+    call assert_match('^"r!.*\<rm\>', @:)
+
+    call feedkeys(":r ++enc=utf-8 !rm\<c-a>\<c-b>\"\<cr>", 'tx')
+    call assert_notmatch('^"r.*\<runtest.vim\>', @:)
+    call assert_match('^"r ++enc\S\+ !.*\<rm\>', @:)
+  endif
+endfunc
+
+" Test for going up and down the directory tree using 'wildmenu'
+func Test_wildmenu_dirstack()
+  CheckUnix
+  %bw!
+  call mkdir('Xdir1/dir2/dir3', 'p')
+  call writefile([], 'Xdir1/file1_1.txt')
+  call writefile([], 'Xdir1/file1_2.txt')
+  call writefile([], 'Xdir1/dir2/file2_1.txt')
+  call writefile([], 'Xdir1/dir2/file2_2.txt')
+  call writefile([], 'Xdir1/dir2/dir3/file3_1.txt')
+  call writefile([], 'Xdir1/dir2/dir3/file3_2.txt')
+  cd Xdir1/dir2/dir3
+  set wildmenu
+
+  call feedkeys(":e \<Tab>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"e file3_1.txt', @:)
+  call feedkeys(":e \<Tab>\<Up>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"e ../dir3/', @:)
+  call feedkeys(":e \<Tab>\<Up>\<Up>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"e ../../dir2/', @:)
+  call feedkeys(":e \<Tab>\<Up>\<Up>\<Down>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"e ../../dir2/dir3/', @:)
+  call feedkeys(":e \<Tab>\<Up>\<Up>\<Down>\<Down>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"e ../../dir2/dir3/file3_1.txt', @:)
+
+  cd -
+  call delete('Xdir1', 'rf')
+  set wildmenu&
+endfunc
+
+" vim: shiftwidth=2 sts=2 expandtab
-- 
cgit v1.2.3