" Test that a deleted mark is restored after delete-undo-redo-undo.
func Test_Restore_DelMark()
  enew!
  call append(0, ["	textline A", "	textline B", "	textline C"])
  normal! 2gg
  set nocp viminfo+=nviminfo
  exe "normal! i\<C-G>u\<Esc>"
  exe "normal! maddu\<C-R>u"
  let pos = getpos("'a")
  call assert_equal(2, pos[1])
  call assert_equal(1, pos[2])
  enew!
endfunc

" Test that CTRL-A and CTRL-X updates last changed mark '[, '].
func Test_Incr_Marks()
  enew!
  call append(0, ["123 123 123", "123 123 123", "123 123 123"])
  normal! gg
  execute "normal! \<C-A>`[v`]rAjwvjw\<C-X>`[v`]rX"
  call assert_equal("AAA 123 123", getline(1))
  call assert_equal("123 XXXXXXX", getline(2))
  call assert_equal("XXX 123 123", getline(3))
  enew!
endfunc

func Test_setpos()
  new one
  let onebuf = bufnr('%')
  let onewin = win_getid()
  call setline(1, ['aaa', 'bbb', 'ccc'])
  new two
  let twobuf = bufnr('%')
  let twowin = win_getid()
  call setline(1, ['aaa', 'bbb', 'ccc'])

  " for the cursor the buffer number is ignored
  call setpos(".", [0, 2, 1, 0])
  call assert_equal([0, 2, 1, 0], getpos("."))
  call setpos(".", [onebuf, 3, 3, 0])
  call assert_equal([0, 3, 3, 0], getpos("."))

  call setpos("''", [0, 1, 3, 0])
  call assert_equal([0, 1, 3, 0], getpos("''"))
  call setpos("''", [onebuf, 2, 2, 0])
  call assert_equal([0, 2, 2, 0], getpos("''"))

  " buffer-local marks
  for mark in ["'a", "'\"", "'[", "']", "'<", "'>"]
    call win_gotoid(twowin)
    call setpos(mark, [0, 2, 1, 0])
    call assert_equal([0, 2, 1, 0], getpos(mark), "for mark " . mark)
    call setpos(mark, [onebuf, 1, 3, 0])
    call win_gotoid(onewin)
    call assert_equal([0, 1, 3, 0], getpos(mark), "for mark " . mark)
  endfor

  " global marks
  call win_gotoid(twowin)
  call setpos("'N", [0, 2, 1, 0])
  call assert_equal([twobuf, 2, 1, 0], getpos("'N"))
  call setpos("'N", [onebuf, 1, 3, 0])
  call assert_equal([onebuf, 1, 3, 0], getpos("'N"))

  call win_gotoid(onewin)
  bwipe!
  call win_gotoid(twowin)
  bwipe!
endfunc

func Test_marks_cmd()
  new Xone
  call setline(1, ['aaa', 'bbb'])
  norm! maG$mB
  w!
  new Xtwo
  call setline(1, ['ccc', 'ddd'])
  norm! $mcGmD
  w!

  b Xone
  let a = split(execute('marks'), "\n")
  call assert_equal(9, len(a))
  call assert_equal('mark line  col file/text', a[0])
  call assert_equal(" '      2    0 bbb", a[1])
  call assert_equal(' a      1    0 aaa', a[2])
  call assert_equal(' B      2    2 bbb', a[3])
  call assert_equal(' D      2    0 Xtwo', a[4])
  call assert_equal(' "      1    0 aaa', a[5])
  call assert_equal(' [      1    0 aaa', a[6])
  call assert_equal(' ]      2    0 bbb', a[7])
  call assert_equal(' .      2    0 bbb', a[8])

  b Xtwo
  let a = split(execute('marks'), "\n")
  call assert_equal(9, len(a))
  call assert_equal('mark line  col file/text', a[0])
  call assert_equal(" '      1    0 ccc", a[1])
  call assert_equal(' c      1    2 ccc', a[2])
  call assert_equal(' B      2    2 Xone', a[3])
  call assert_equal(' D      2    0 ddd', a[4])
  call assert_equal(' "      2    0 ddd', a[5])
  call assert_equal(' [      1    0 ccc', a[6])
  call assert_equal(' ]      2    0 ddd', a[7])
  call assert_equal(' .      2    0 ddd', a[8])

  b Xone
  delmarks aB
  let a = split(execute('marks aBcD'), "\n")
  call assert_equal(2, len(a))
  call assert_equal('mark line  col file/text', a[0])
  call assert_equal(' D      2    0 Xtwo', a[1])

  b Xtwo
  delmarks cD
  call assert_fails('marks aBcD', 'E283:')

  call delete('Xone')
  call delete('Xtwo')
  %bwipe
endfunc

func Test_marks_cmd_multibyte()
  new Xone
  call setline(1, [repeat('á', &columns)])
  norm! ma

  let a = split(execute('marks a'), "\n")
  call assert_equal(2, len(a))
  let expected = ' a      1    0 ' . repeat('á', &columns - 16)
  call assert_equal(expected, a[1])

  bwipe!
endfunc

func Test_delmarks()
  new
  norm mx
  norm `x
  delmarks x
  call assert_fails('norm `x', 'E20:')

  " Deleting an already deleted mark should not fail.
  delmarks x

  " Test deleting a range of marks.
  norm ma
  norm mb
  norm mc
  norm mz
  delmarks b-z
  norm `a
  call assert_fails('norm `b', 'E20:')
  call assert_fails('norm `c', 'E20:')
  call assert_fails('norm `z', 'E20:')
  call assert_fails('delmarks z-b', 'E475:')

  call assert_fails('delmarks', 'E471:')
  call assert_fails('delmarks /', 'E475:')

  " Test delmarks!
  norm mx
  norm `x
  delmarks!
  call assert_fails('norm `x', 'E20:')
  call assert_fails('delmarks! x', 'E474:')

  bwipe!
endfunc

func Test_mark_error()
  call assert_fails('mark', 'E471:')
  call assert_fails('mark xx', 'E488:')
  call assert_fails('mark _', 'E191:')
endfunc