" Tests for cursor().

func Test_wrong_arguments()
  call assert_fails('call cursor(1. 3)', 'E474:')
endfunc

func Test_move_cursor()
  new
  call setline(1, ['aaa', 'bbb', 'ccc', 'ddd'])

  call cursor([1, 1, 0, 1])
  call assert_equal([1, 1, 0, 1], getcurpos()[1:])
  call cursor([4, 3, 0, 3])
  call assert_equal([4, 3, 0, 3], getcurpos()[1:])

  call cursor(2, 2)
  call assert_equal([2, 2, 0, 2], getcurpos()[1:])
  " line number zero keeps the line number
  call cursor(0, 1)
  call assert_equal([2, 1, 0, 1], getcurpos()[1:])
  " col number zero keeps the column
  call cursor(3, 0)
  call assert_equal([3, 1, 0, 1], getcurpos()[1:])
  " below last line goes to last line
  eval [9, 1]->cursor()
  call assert_equal([4, 1, 0, 1], getcurpos()[1:])

  call setline(1, ["\<TAB>"])
  call cursor(1, 1, 1)
  call assert_equal([1, 1, 1], getcurpos()[1:3])

  call assert_equal(-1, cursor(-1, -1))

  quit!
endfunc

" Very short version of what matchparen does.
function s:Highlight_Matching_Pair()
  let save_cursor = getcurpos()
  eval save_cursor->setpos('.')
endfunc

func Test_curswant_with_autocommand()
  new
  call setline(1, ['func()', '{', '}', '----'])
  autocmd! CursorMovedI * call s:Highlight_Matching_Pair()
  call test_override("char_avail", 1)
  exe "normal! 3Ga\<Down>X\<Esc>"
  call test_override("char_avail", 0)
  call assert_equal('-X---', getline(4))
  autocmd! CursorMovedI *
  quit!
endfunc

" Tests for behavior of curswant with cursorcolumn/line
func Test_curswant_with_cursorcolumn()
  new
  call setline(1, ['01234567', ''])
  exe "normal! ggf6j"
  call assert_equal(6, winsaveview().curswant)
  set cursorcolumn
  call assert_equal(6, winsaveview().curswant)
  quit!
endfunc

func Test_curswant_with_cursorline()
  new
  call setline(1, ['01234567', ''])
  exe "normal! ggf6j"
  call assert_equal(6, winsaveview().curswant)
  set cursorline
  call assert_equal(6, winsaveview().curswant)
  quit!
endfunc

func Test_screenpos()
  rightbelow new
  rightbelow 20vsplit
  call setline(1, ["\tsome text", "long wrapping line here", "next line"])
  redraw
  let winid = win_getid()
  let [winrow, wincol] = win_screenpos(winid)
  call assert_equal({'row': winrow,
	\ 'col': wincol + 0,
	\ 'curscol': wincol + 7,
	\ 'endcol': wincol + 7}, screenpos(winid, 1, 1))
  call assert_equal({'row': winrow,
	\ 'col': wincol + 13,
	\ 'curscol': wincol + 13,
	\ 'endcol': wincol + 13}, winid->screenpos(1, 7))
  call assert_equal({'row': winrow + 2,
	\ 'col': wincol + 1,
	\ 'curscol': wincol + 1,
	\ 'endcol': wincol + 1}, screenpos(winid, 2, 22))
  setlocal number
  call assert_equal({'row': winrow + 3,
	\ 'col': wincol + 9,
	\ 'curscol': wincol + 9,
	\ 'endcol': wincol + 9}, screenpos(winid, 2, 22))
  close
  bwipe!
endfunc