Adding upstream version 2:8.2.2434.upstream/2%8.2.2434upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 946 insertions, 0 deletions

diff --git a/src/testdir/test_mksession.vim b/src/testdir/test_mksession.vim
new file mode 100644
index 0000000..723eb8e
--- /dev/null
+++ b/src/testdir/test_mksession.vim
@@ -0,0 +1,946 @@
+" Test for :mksession, :mkview and :loadview in latin1 encoding
+
+set encoding=latin1
+scriptencoding latin1
+
+source check.vim
+CheckFeature mksession
+
+source shared.vim
+source term_util.vim
+
+" Test for storing global and local argument list in a session file
+" This one must be done first.
+func Test__mksession_arglocal()
+  enew | only
+  n a b c
+  new
+  arglocal
+  mksession! Xtest_mks.out
+
+  %bwipe!
+  %argdelete
+  argglobal
+  source Xtest_mks.out
+  call assert_equal(2, winnr('$'))
+  call assert_equal(2, arglistid(1))
+  call assert_equal(0, arglistid(2))
+
+  %bwipe!
+  %argdelete
+  argglobal
+  call delete('Xtest_mks.out')
+endfunc
+
+func Test_mksession()
+  tabnew
+  let wrap_save = &wrap
+  set sessionoptions=buffers splitbelow fileencoding=latin1
+  call setline(1, [
+    \   'start:',
+    \   'no multibyte chAracter',
+    \   '	one leaDing tab',
+    \   '    four leadinG spaces',
+    \   'two		consecutive tabs',
+    \   'two	tabs	in one line',
+    \   'one ä multibyteCharacter',
+    \   'aä Ä  two multiByte characters',
+    \   'Aäöü  three mulTibyte characters',
+    \   'short line',
+    \ ])
+  let tmpfile = 'Xtemp'
+  exec 'w! ' . tmpfile
+  /^start:
+  set wrap
+  vsplit
+  norm! j16|
+  split
+  norm! j16|
+  split
+  norm! j16|
+  split
+  norm! j8|
+  split
+  norm! j8|
+  split
+  norm! j16|
+  split
+  norm! j16|
+  split
+  norm! j16|
+  split
+  norm! j$
+  wincmd l
+
+  set nowrap
+  /^start:
+  norm! j16|3zl
+  split
+  norm! j016|3zl
+  split
+  norm! j016|3zl
+  split
+  norm! j08|3zl
+  split
+  norm! j08|3zl
+  split
+  norm! j016|3zl
+  split
+  norm! j016|3zl
+  split
+  norm! j016|3zl
+  split
+  call wincol()
+  mksession! Xtest_mks.out
+  let li = filter(readfile('Xtest_mks.out'), 'v:val =~# "\\(^ *normal! [0$]\\|^ *exe ''normal!\\)"')
+  let expected = [
+    \   'normal! 016|',
+    \   'normal! 016|',
+    \   'normal! 016|',
+    \   'normal! 08|',
+    \   'normal! 08|',
+    \   'normal! 016|',
+    \   'normal! 016|',
+    \   'normal! 016|',
+    \   'normal! $',
+    \   "  exe 'normal! ' . s:c . '|zs' . 16 . '|'",
+    \   "  normal! 016|",
+    \   "  exe 'normal! ' . s:c . '|zs' . 16 . '|'",
+    \   "  normal! 016|",
+    \   "  exe 'normal! ' . s:c . '|zs' . 16 . '|'",
+    \   "  normal! 016|",
+    \   "  exe 'normal! ' . s:c . '|zs' . 8 . '|'",
+    \   "  normal! 08|",
+    \   "  exe 'normal! ' . s:c . '|zs' . 8 . '|'",
+    \   "  normal! 08|",
+    \   "  exe 'normal! ' . s:c . '|zs' . 16 . '|'",
+    \   "  normal! 016|",
+    \   "  exe 'normal! ' . s:c . '|zs' . 16 . '|'",
+    \   "  normal! 016|",
+    \   "  exe 'normal! ' . s:c . '|zs' . 16 . '|'",
+    \   "  normal! 016|",
+    \   "  exe 'normal! ' . s:c . '|zs' . 16 . '|'",
+    \   "  normal! 016|"
+    \ ]
+  call assert_equal(expected, li)
+  tabclose!
+
+  call delete('Xtest_mks.out')
+  call delete(tmpfile)
+  let &wrap = wrap_save
+  set sessionoptions&
+endfunc
+
+func Test_mksession_winheight()
+  new
+  set winheight=10
+  set winminheight=2
+  mksession! Xtest_mks.out
+  source Xtest_mks.out
+
+  call delete('Xtest_mks.out')
+endfunc
+
+func Test_mksession_large_winheight()
+  set winheight=999
+  mksession! Xtest_mks_winheight.out
+  set winheight&
+  source Xtest_mks_winheight.out
+  call delete('Xtest_mks_winheight.out')
+endfunc
+
+func Test_mksession_rtp()
+  " TODO: fix problem with backslashes on Win32
+  CheckNotMSWindows
+
+  new
+  let _rtp=&rtp
+  " Make a real long (invalid) runtimepath value,
+  " that should exceed PATH_MAX (hopefully)
+  let newrtp=&rtp.',~'.repeat('/foobar', 1000)
+  let newrtp.=",".expand("$HOME")."/.vim"
+  let &rtp=newrtp
+
+  " determine expected value
+  let expected=split(&rtp, ',')
+  let expected = map(expected, '"set runtimepath+=".v:val')
+  let expected = ['set runtimepath='] + expected
+  let expected = map(expected, {v,w -> substitute(w, $HOME, "~", "g")})
+
+  mksession! Xtest_mks.out
+  let &rtp=_rtp
+  let li = filter(readfile('Xtest_mks.out'), 'v:val =~# "runtimepath"')
+  call assert_equal(expected, li)
+
+  call delete('Xtest_mks.out')
+endfunc
+
+func Test_mksession_arglist()
+  %argdel
+  next file1 file2 file3 file4
+  new
+  next | next
+  mksession! Xtest_mks.out
+  source Xtest_mks.out
+  call assert_equal(['file1', 'file2', 'file3', 'file4'], argv())
+  call assert_equal(2, argidx())
+  wincmd w
+  call assert_equal(0, argidx())
+
+  call delete('Xtest_mks.out')
+  enew | only
+  argdel *
+endfunc
+
+func Test_mksession_one_buffer_two_windows()
+  edit Xtest1
+  new Xtest2
+  split
+  mksession! Xtest_mks.out
+  let lines = readfile('Xtest_mks.out')
+  let count1 = 0
+  let count2 = 0
+  let count2buf = 0
+  for line in lines
+    if line =~ 'edit \f*Xtest1$'
+      let count1 += 1
+    endif
+    if line =~ 'edit \f\{-}Xtest2'
+      let count2 += 1
+    endif
+    if line =~ 'buffer \f\{-}Xtest2'
+      let count2buf += 1
+    endif
+  endfor
+  call assert_equal(1, count1, 'Xtest1 count')
+  call assert_equal(2, count2, 'Xtest2 count')
+  call assert_equal(2, count2buf, 'Xtest2 buffer count')
+
+  close
+  bwipe!
+  call delete('Xtest_mks.out')
+endfunc
+
+func Test_mksession_lcd_multiple_tabs()
+  tabnew
+  tabnew
+  lcd .
+  tabfirst
+  lcd .
+  mksession! Xtest_mks.out
+  tabonly
+  source Xtest_mks.out
+  call assert_true(haslocaldir(), 'Tab 1 localdir')
+  tabnext 2
+  call assert_true(!haslocaldir(), 'Tab 2 localdir')
+  tabnext 3
+  call assert_true(haslocaldir(), 'Tab 3 localdir')
+  call delete('Xtest_mks.out')
+endfunc
+
+" Test for tabpage-local directory
+func Test_mksession_tcd_multiple_tabs()
+  let save_cwd = getcwd()
+  call mkdir('Xtopdir')
+  cd Xtopdir
+  call mkdir('Xtabdir1')
+  call mkdir('Xtabdir2')
+  call mkdir('Xtabdir3')
+  call mkdir('Xwindir1')
+  call mkdir('Xwindir2')
+  call mkdir('Xwindir3')
+  tcd Xtabdir1
+  botright new
+  wincmd t
+  lcd ../Xwindir1
+  tabnew
+  tcd ../Xtabdir2
+  botright new
+  lcd ../Xwindir2
+  tabnew
+  tcd ../Xtabdir3
+  botright new
+  lcd ../Xwindir3
+  tabfirst
+  1wincmd w
+  mksession! Xtest_mks.out
+  only | tabonly
+  source Xtest_mks.out
+  call assert_equal('Xtabdir1', fnamemodify(getcwd(-1, 1), ':t'))
+  call assert_equal('Xwindir1', fnamemodify(getcwd(1, 1), ':t'))
+  call assert_equal('Xtabdir1', fnamemodify(getcwd(2, 1), ':t'))
+  call assert_equal('Xtabdir2', fnamemodify(getcwd(-1, 2), ':t'))
+  call assert_equal('Xtabdir2', fnamemodify(getcwd(1, 2), ':t'))
+  call assert_equal('Xwindir2', fnamemodify(getcwd(2, 2), ':t'))
+  call assert_equal('Xtabdir3', fnamemodify(getcwd(-1, 3), ':t'))
+  call assert_equal('Xtabdir3', fnamemodify(getcwd(1, 3), ':t'))
+  call assert_equal('Xwindir3', fnamemodify(getcwd(2, 3), ':t'))
+  %bwipe
+  call chdir(save_cwd)
+  call delete("Xtopdir", "rf")
+endfunc
+
+func Test_mksession_blank_tabs()
+  tabnew
+  tabnew
+  tabnew
+  tabnext 3
+  mksession! Xtest_mks.out
+  tabnew
+  tabnew
+  tabnext 2
+  source Xtest_mks.out
+  call assert_equal(4, tabpagenr('$'), 'session restore should restore number of tabs')
+  call assert_equal(3, tabpagenr(), 'session restore should restore the active tab')
+  call delete('Xtest_mks.out')
+endfunc
+
+func Test_mksession_buffer_count()
+  set hidden
+
+  " Edit exactly three files in the current session.
+  %bwipe!
+  e Xfoo | tabe Xbar | tabe Xbaz
+  tabdo write
+  mksession! Xtest_mks.out
+
+  " Verify that loading the session does not create additional buffers.
+  %bwipe!
+  source Xtest_mks.out
+  call assert_equal(3, len(getbufinfo()))
+
+  " Clean up.
+  call delete('Xfoo')
+  call delete('Xbar')
+  call delete('Xbaz')
+  call delete('Xtest_mks.out')
+  %bwipe!
+  set hidden&
+endfunc
+
+if has('extra_search')
+
+func Test_mksession_hlsearch()
+  set hlsearch
+  mksession! Xtest_mks.out
+  nohlsearch
+  source Xtest_mks.out
+  call assert_equal(1, v:hlsearch, 'session should restore search highlighting state')
+  nohlsearch
+  mksession! Xtest_mks.out
+  source Xtest_mks.out
+  call assert_equal(0, v:hlsearch, 'session should restore search highlighting state')
+  call delete('Xtest_mks.out')
+endfunc
+
+endif
+
+
+func Test_mksession_blank_windows()
+  split
+  split
+  split
+  3 wincmd w
+  mksession! Xtest_mks.out
+  split
+  split
+  2 wincmd w
+  source Xtest_mks.out
+  call assert_equal(4, winnr('$'), 'session restore should restore number of windows')
+  call assert_equal(3, winnr(), 'session restore should restore the active window')
+  call delete('Xtest_mks.out')
+endfunc
+
+func Test_mksession_terminal_shell()
+  CheckFeature terminal
+  CheckFeature quickfix
+
+  terminal
+  mksession! Xtest_mks.out
+  let lines = readfile('Xtest_mks.out')
+  let term_cmd = ''
+  for line in lines
+    if line =~ '^terminal'
+      let term_cmd = line
+    elseif line =~ 'badd.*' . &shell
+      call assert_report('unexpected shell line: ' . line)
+    endif
+  endfor
+  call assert_match('terminal ++curwin ++cols=\d\+ ++rows=\d\+\s*.*$', term_cmd)
+
+  call StopShellInTerminal(bufnr('%'))
+  call delete('Xtest_mks.out')
+endfunc
+
+func Test_mksession_terminal_no_restore_cmdarg()
+  CheckFeature terminal
+
+  terminal ++norestore
+  mksession! Xtest_mks.out
+  let lines = readfile('Xtest_mks.out')
+  let term_cmd = ''
+  for line in lines
+    if line =~ '^terminal'
+      call assert_report('session must not restore terminal')
+    endif
+  endfor
+
+  call StopShellInTerminal(bufnr('%'))
+  call delete('Xtest_mks.out')
+endfunc
+
+func Test_mksession_terminal_no_restore_funcarg()
+  CheckFeature terminal
+
+  call term_start(&shell, {'norestore': 1})
+  mksession! Xtest_mks.out
+  let lines = readfile('Xtest_mks.out')
+  let term_cmd = ''
+  for line in lines
+    if line =~ '^terminal'
+      call assert_report('session must not restore terminal')
+    endif
+  endfor
+
+  call StopShellInTerminal(bufnr('%'))
+  call delete('Xtest_mks.out')
+endfunc
+
+func Test_mksession_terminal_no_restore_func()
+  CheckFeature terminal
+
+  terminal
+  call term_setrestore(bufnr('%'), 'NONE')
+  mksession! Xtest_mks.out
+  let lines = readfile('Xtest_mks.out')
+  let term_cmd = ''
+  for line in lines
+    if line =~ '^terminal'
+      call assert_report('session must not restore terminal')
+    endif
+  endfor
+
+  call StopShellInTerminal(bufnr('%'))
+  call delete('Xtest_mks.out')
+endfunc
+
+func Test_mksession_terminal_no_ssop()
+  CheckFeature terminal
+
+  terminal
+  set sessionoptions-=terminal
+  mksession! Xtest_mks.out
+  let lines = readfile('Xtest_mks.out')
+  let term_cmd = ''
+  for line in lines
+    if line =~ '^terminal'
+      call assert_report('session must not restore terminal')
+    endif
+  endfor
+
+  call StopShellInTerminal(bufnr('%'))
+  call delete('Xtest_mks.out')
+  set sessionoptions&
+endfunc
+
+func Test_mksession_terminal_restore_other()
+  CheckFeature terminal
+  CheckFeature quickfix
+
+  terminal
+  eval bufnr('%')->term_setrestore('other')
+  mksession! Xtest_mks.out
+  let lines = readfile('Xtest_mks.out')
+  let term_cmd = ''
+  for line in lines
+    if line =~ '^terminal'
+      let term_cmd = line
+    endif
+  endfor
+  call assert_match('terminal ++curwin ++cols=\d\+ ++rows=\d\+.*other', term_cmd)
+
+  call StopShellInTerminal(bufnr('%'))
+  call delete('Xtest_mks.out')
+endfunc
+
+func Test_mksession_terminal_shared_windows()
+  CheckFeature terminal
+
+  terminal
+  let term_buf = bufnr()
+  new
+  execute "buffer" term_buf
+  mksession! Xtest_mks.out
+
+  let lines = readfile('Xtest_mks.out')
+  let found_creation = 0
+  let found_use = 0
+
+  for line in lines
+    if line =~ '^terminal'
+      let found_creation = 1
+      call assert_match('terminal ++curwin ++cols=\d\+ ++rows=\d\+', line)
+    elseif line =~ "^execute 'buffer ' . s:term_buf_" . term_buf . "$"
+      let found_use = 1
+    endif
+  endfor
+
+  call assert_true(found_creation && found_use)
+
+  call StopShellInTerminal(term_buf)
+  call delete('Xtest_mks.out')
+endfunc
+
+func Test_mkview_terminal_windows()
+  CheckFeature terminal
+
+  " create two window on the same terminal to check this is handled OK
+  terminal
+  let term_buf = bufnr()
+  exe 'sbuf ' .. term_buf
+  mkview! Xtestview
+
+  call StopShellInTerminal(term_buf)
+  call delete('Xtestview')
+endfunc
+
+" Test :mkview with a file argument.
+func Test_mkview_file()
+  " Create a view with line number and a fold.
+  help :mkview
+  set number
+  norm! V}zf0
+  let pos = getpos('.')
+  let linefoldclosed1 = foldclosed('.')
+  mkview! Xview
+  set nonumber
+  norm! zrj
+  " We can close the help window, as mkview with a file name should
+  " generate a command to edit the file.
+  helpclose
+
+  source Xview
+  call assert_equal(1, &number)
+  call assert_match('\*:mkview\*$', getline('.'))
+  call assert_equal(pos, getpos('.'))
+  call assert_equal(linefoldclosed1, foldclosed('.'))
+
+  " Creating a view again with the same file name should fail (file
+  " already exists). But with a !, the previous view should be
+  " overwritten without error.
+  help :loadview
+  call assert_fails('mkview Xview', 'E189:')
+  call assert_match('\*:loadview\*$', getline('.'))
+  mkview! Xview
+  call assert_match('\*:loadview\*$', getline('.'))
+
+  call delete('Xview')
+  bwipe
+endfunc
+
+" Test :mkview and :loadview with a custom 'viewdir'.
+func Test_mkview_loadview_with_viewdir()
+  set viewdir=Xviewdir
+
+  help :mkview
+  set number
+  norm! V}zf
+  let pos = getpos('.')
+  let linefoldclosed1 = foldclosed('.')
+  mkview 1
+  set nonumber
+  norm! zrj
+
+  loadview 1
+
+  " The directory Xviewdir/ should have been created and the view
+  " should be stored in that directory.
+  call assert_equal('Xviewdir/' .
+        \           substitute(
+        \             substitute(
+        \               expand('%:p'), '/', '=+', 'g'), ':', '=-', 'g') . '=1.vim',
+        \           glob('Xviewdir/*'))
+  call assert_equal(1, &number)
+  call assert_match('\*:mkview\*$', getline('.'))
+  call assert_equal(pos, getpos('.'))
+  call assert_equal(linefoldclosed1, foldclosed('.'))
+
+  call delete('Xviewdir', 'rf')
+  set viewdir&
+  helpclose
+endfunc
+
+func Test_mkview_no_file_name()
+  new
+  " :mkview or :mkview {nr} should fail in a unnamed buffer.
+  call assert_fails('mkview', 'E32:')
+  call assert_fails('mkview 1', 'E32:')
+
+  " :mkview {file} should succeed in a unnamed buffer.
+  mkview Xview
+  help
+  source Xview
+  call assert_equal('', bufname('%'))
+
+  call delete('Xview')
+  %bwipe
+endfunc
+
+func Test_mkview_loadview_jumplist()
+  set viewdir=Xviewdir
+  au BufWinLeave * silent mkview
+  au BufWinEnter * silent loadview
+
+  edit Xfile1
+  call setline(1, ['a', 'bbbbbbb', 'c'])
+  normal j3l
+  call assert_equal([2, 4], getcurpos()[1:2])
+  write
+
+  edit Xfile2
+  call setline(1, ['d', 'eeeeeee', 'f'])
+  normal j5l
+  call assert_equal([2, 6], getcurpos()[1:2])
+  write
+
+  edit Xfile3
+  call setline(1, ['g', 'h', 'iiiii'])
+  normal jj3l
+  call assert_equal([3, 4], getcurpos()[1:2])
+  write
+
+  edit Xfile1
+  call assert_equal([2, 4], getcurpos()[1:2])
+  edit Xfile2
+  call assert_equal([2, 6], getcurpos()[1:2])
+  edit Xfile3
+  call assert_equal([3, 4], getcurpos()[1:2])
+
+  exe "normal \<C-O>"
+  call assert_equal('Xfile2', expand('%'))
+  call assert_equal([2, 6], getcurpos()[1:2])
+  exe "normal \<C-O>"
+  call assert_equal('Xfile1', expand('%'))
+  call assert_equal([2, 4], getcurpos()[1:2])
+
+  au! BufWinLeave
+  au! BufWinEnter
+  bwipe!
+  call delete('Xviewdir', 'rf')
+  call delete('Xfile1')
+  call delete('Xfile2')
+  call delete('Xfile3')
+  set viewdir&
+endfunc
+
+" A clean session (one empty buffer, one window, and one tab) should not
+" set any error messages when sourced because no commands should fail.
+func Test_mksession_no_errmsg()
+  let v:errmsg = ''
+  %bwipe!
+  mksession! Xtest_mks.out
+  source Xtest_mks.out
+  call assert_equal('', v:errmsg)
+  call delete('Xtest_mks.out')
+endfunc
+
+func Test_mksession_quote_in_filename()
+  " only Unix can handle this weird filename
+  CheckUnix
+
+  let v:errmsg = ''
+  %bwipe!
+  split another
+  split x'y\"z
+  mksession! Xtest_mks_quoted.out
+  %bwipe!
+  source Xtest_mks_quoted.out
+  call assert_true(bufexists("x'y\"z"))
+
+  %bwipe!
+  call delete('Xtest_mks_quoted.out')
+endfunc
+
+" Test for storing global variables in a session file
+func Test_mksession_globals()
+  set sessionoptions+=globals
+
+  " create different global variables
+  let g:Global_string = "Sun is shining\r\n"
+  let g:Global_count = 100
+  let g:Global_pi = 3.14
+  let g:Global_neg_float = -2.68
+
+  mksession! Xtest_mks.out
+
+  unlet g:Global_string
+  unlet g:Global_count
+  unlet g:Global_pi
+  unlet g:Global_neg_float
+
+  source Xtest_mks.out
+  call assert_equal("Sun is shining\r\n", g:Global_string)
+  call assert_equal(100, g:Global_count)
+  call assert_equal(3.14, g:Global_pi)
+  call assert_equal(-2.68, g:Global_neg_float)
+
+  unlet g:Global_string
+  unlet g:Global_count
+  unlet g:Global_pi
+  unlet g:Global_neg_float
+  call delete('Xtest_mks.out')
+  set sessionoptions&
+endfunc
+
+" Test for changing backslash to forward slash in filenames
+func Test_mksession_slash()
+  if exists('+shellslash')
+    throw 'Skipped: cannot use backslash in file name'
+  endif
+  enew
+  %bwipe!
+  e a\\b\\c
+  mksession! Xtest_mks1.out
+  set sessionoptions+=slash
+  mksession! Xtest_mks2.out
+
+  %bwipe!
+  source Xtest_mks1.out
+  call assert_equal('a\b\c', bufname(''))
+  %bwipe!
+  source Xtest_mks2.out
+  call assert_equal('a/b/c', bufname(''))
+
+  %bwipe!
+  call delete('Xtest_mks1.out')
+  call delete('Xtest_mks2.out')
+  set sessionoptions&
+endfunc
+
+" Test for changing directory to the session file directory
+func Test_mksession_sesdir()
+  let save_cwd = getcwd()
+  call mkdir('Xproj')
+  mksession! Xproj/Xtest_mks1.out
+  set sessionoptions-=curdir
+  set sessionoptions+=sesdir
+  mksession! Xproj/Xtest_mks2.out
+
+  source Xproj/Xtest_mks1.out
+  call assert_equal('testdir', fnamemodify(getcwd(), ':t'))
+  source Xproj/Xtest_mks2.out
+  call assert_equal('Xproj', fnamemodify(getcwd(), ':t'))
+  call chdir(save_cwd)
+  %bwipe
+
+  set sessionoptions&
+  call delete('Xproj', 'rf')
+endfunc
+
+" Test for storing the 'lines' and 'columns' settings
+func Test_mksession_resize()
+  mksession! Xtest_mks1.out
+  set sessionoptions+=resize
+  mksession! Xtest_mks2.out
+
+  let lines = readfile('Xtest_mks1.out')
+  let found_resize = v:false
+  for line in lines
+    if line =~ '^set lines='
+      let found_resize = v:true
+      break
+    endif
+  endfor
+  call assert_false(found_resize)
+  let lines = readfile('Xtest_mks2.out')
+  let found_resize = v:false
+  for line in lines
+    if line =~ '^set lines='
+      let found_resize = v:true
+      break
+    endif
+  endfor
+  call assert_true(found_resize)
+
+  call delete('Xtest_mks1.out')
+  call delete('Xtest_mks2.out')
+  set sessionoptions&
+endfunc
+
+" Test for mksession with a named scratch buffer
+func Test_mksession_scratch()
+  enew | only
+  file Xscratch
+  set buftype=nofile
+  mksession! Xtest_mks.out
+  %bwipe
+  source Xtest_mks.out
+  call assert_equal('Xscratch', bufname(''))
+  call assert_equal('nofile', &buftype)
+  %bwipe
+  call delete('Xtest_mks.out')
+endfunc
+
+" Test for mksession with fold options
+func Test_mksession_foldopt()
+  set sessionoptions-=options
+  set sessionoptions+=folds
+  new
+  setlocal foldenable
+  setlocal foldmethod=expr
+  setlocal foldmarker=<<<,>>>
+  setlocal foldignore=%
+  setlocal foldlevel=2
+  setlocal foldminlines=10
+  setlocal foldnestmax=15
+  mksession! Xtest_mks.out
+  close
+  %bwipe
+
+  source Xtest_mks.out
+  call assert_true(&foldenable)
+  call assert_equal('expr', &foldmethod)
+  call assert_equal('<<<,>>>', &foldmarker)
+  call assert_equal('%', &foldignore)
+  call assert_equal(2, &foldlevel)
+  call assert_equal(10, &foldminlines)
+  call assert_equal(15, &foldnestmax)
+
+  close
+  %bwipe
+  set sessionoptions&
+endfunc
+
+" Test for mksession with window position
+func Test_mksession_winpos()
+  " Only applicable in GUI Vim
+  CheckGui
+
+  set sessionoptions+=winpos
+  mksession! Xtest_mks.out
+  let found_winpos = v:false
+  let lines = readfile('Xtest_mks.out')
+  for line in lines
+    if line =~ '^winpos '
+      let found_winpos = v:true
+      break
+    endif
+  endfor
+  call assert_true(found_winpos)
+  call delete('Xtest_mks.out')
+  set sessionoptions&
+endfunc
+
+" Test for mksession with 'compatible' option
+func Test_mksession_compatible()
+  mksession! Xtest_mks1.out
+  set compatible
+  mksession! Xtest_mks2.out
+  set nocp
+
+  let test_success = v:false
+  let lines = readfile('Xtest_mks1.out')
+  for line in lines
+    if line =~ '^if &cp | set nocp | endif'
+      let test_success = v:true
+      break
+    endif
+  endfor
+  call assert_true(test_success)
+
+  let test_success = v:false
+  let lines = readfile('Xtest_mks2.out')
+  for line in lines
+    if line =~ '^if !&cp | set cp | endif'
+      let test_success = v:true
+      break
+    endif
+  endfor
+  call assert_true(test_success)
+
+  call delete('Xtest_mks1.out')
+  call delete('Xtest_mks2.out')
+  set compatible&
+  set sessionoptions&
+endfunc
+
+func s:ClearMappings()
+  mapclear
+  omapclear
+  mapclear!
+  lmapclear
+  tmapclear
+endfunc
+
+func Test_mkvimrc()
+  let entries = [
+        \ ['', 'nothing', '<Nop>'],
+        \ ['n', 'normal', 'NORMAL'],
+        \ ['v', 'visual', 'VISUAL'],
+        \ ['s', 'select', 'SELECT'],
+        \ ['x', 'visualonly', 'VISUALONLY'],
+        \ ['o', 'operator', 'OPERATOR'],
+        \ ['i', 'insert', 'INSERT'],
+        \ ['l', 'lang', 'LANG'],
+        \ ['c', 'command', 'COMMAND'],
+        \ ['t', 'terminal', 'TERMINAL'],
+        \ ]
+  for entry in entries
+    exe entry[0] .. 'map ' .. entry[1] .. ' ' .. entry[2]
+  endfor
+
+  mkvimrc Xtestvimrc
+
+  call s:ClearMappings()
+  for entry in entries
+    call assert_equal('', maparg(entry[1], entry[0]))
+  endfor
+
+  source Xtestvimrc
+
+  for entry in entries
+    call assert_equal(entry[2], maparg(entry[1], entry[0]))
+  endfor
+
+  call s:ClearMappings()
+  call delete('Xtestvimrc')
+endfunc
+
+func Test_scrolloff()
+  set sessionoptions+=localoptions
+  setlocal so=1 siso=1
+  mksession! Xtest_mks.out
+  setlocal so=-1 siso=-1
+  source Xtest_mks.out
+  call assert_equal(1, &l:so)
+  call assert_equal(1, &l:siso)
+  call delete('Xtest_mks.out')
+  setlocal so& siso&
+  set sessionoptions&
+endfunc
+
+func Test_altfile()
+  edit Xone
+  split Xtwo
+  edit Xtwoalt
+  edit #
+  wincmd w
+  edit Xonealt
+  edit #
+  mksession! Xtest_altfile
+  only
+  bwipe Xonealt
+  bwipe Xtwoalt
+  bwipe!
+  source Xtest_altfile
+  call assert_equal('Xone', bufname())
+  call assert_equal('Xonealt', bufname('#'))
+  wincmd w
+  call assert_equal('Xtwo', bufname())
+  call assert_equal('Xtwoalt', bufname('#'))
+  only
+  bwipe!
+  call delete('Xtest_altfile')
+endfunc
+
+" vim: shiftwidth=2 sts=2 expandtab