src/testdir/test_popupwin.vim

" Tests for popup windows

source check.vim
CheckFeature textprop

source screendump.vim

func Test_simple_popup()
  CheckScreendump

  let lines =<< trim END
	call setline(1, range(1, 100))
	hi PopupColor1 ctermbg=lightblue
	hi PopupColor2 ctermbg=lightcyan
	hi Comment ctermfg=red
	call prop_type_add('comment', #{highlight: 'Comment'})
	let winid = popup_create('hello there', #{line: 3, col: 11, minwidth: 20, highlight: 'PopupColor1'})
	let winid2 = popup_create(['another one', 'another two', 'another three'], #{line: 3, col: 25, minwidth: 20})
	call setwinvar(winid2, '&wincolor', 'PopupColor2')
  END
  call writefile(lines, 'XtestPopup')
  let buf = RunVimInTerminal('-S XtestPopup', #{rows: 10})
  call VerifyScreenDump(buf, 'Test_popupwin_01', {})

  " Add a tabpage
  call term_sendkeys(buf, ":tabnew\<CR>")
  call term_sendkeys(buf, ":let popupwin = popup_create(["
	\ .. "#{text: 'other tab'},"
	\ .. "#{text: 'a comment line', props: [#{"
	\ .. "col: 3, length: 7, minwidth: 20, type: 'comment'"
	\ .. "}]},"
	\ .. "], #{line: 4, col: 9, minwidth: 20})\<CR>")
  call VerifyScreenDump(buf, 'Test_popupwin_02', {})

  " switch back to first tabpage
  call term_sendkeys(buf, "gt")
  call VerifyScreenDump(buf, 'Test_popupwin_03', {})

  " close that tabpage
  call term_sendkeys(buf, ":quit!\<CR>")
  call VerifyScreenDump(buf, 'Test_popupwin_04', {})

  " set 'columns' to a small value, size must be recomputed
  call term_sendkeys(buf, ":let cols = &columns\<CR>")
  call term_sendkeys(buf, ":set columns=12\<CR>")
  call VerifyScreenDump(buf, 'Test_popupwin_04a', {})
  call term_sendkeys(buf, ":let &columns = cols\<CR>")

  " resize popup, show empty line at bottom
  call term_sendkeys(buf, ":call popup_move(popupwin, #{minwidth: 15, maxwidth: 25, minheight: 3, maxheight: 5})\<CR>")
  call term_sendkeys(buf, ":redraw\<CR>")
  call VerifyScreenDump(buf, 'Test_popupwin_05', {})

  " show not fitting line at bottom
  call term_sendkeys(buf, ":call setbufline(winbufnr(popupwin), 3, 'this line will not fit here')\<CR>")
  call term_sendkeys(buf, ":redraw\<CR>")
  call VerifyScreenDump(buf, 'Test_popupwin_06', {})

  " move popup over ruler
  call term_sendkeys(buf, ":set cmdheight=2\<CR>")
  call term_sendkeys(buf, ":call popup_move(popupwin, #{line: 7, col: 55})\<CR>")
  call term_sendkeys(buf, ":\<CR>")
  call VerifyScreenDump(buf, 'Test_popupwin_07', {})

  " clear all popups after moving the cursor a bit, so that ruler is updated
  call term_sendkeys(buf, "axxx\<Esc>")
  call term_wait(buf)
  call term_sendkeys(buf, "0")
  call term_wait(buf)
  call term_sendkeys(buf, ":call popup_clear()\<CR>")
  call VerifyScreenDump(buf, 'Test_popupwin_08', {})

  " clean up
  call StopVimInTerminal(buf)
  call delete('XtestPopup')
endfunc

func Test_popup_with_border_and_padding()
  CheckScreendump

  for iter in range(0, 1)
    let lines =<< trim END
	  call setline(1, range(1, 100))
	  call popup_create('hello border', #{line: 2, col: 3, border: []})
	  call popup_create('hello padding', #{line: 2, col: 23, padding: []})
	  call popup_create('hello both', #{line: 2, col: 43, border: [], padding: [], highlight: 'Normal'})
	  call popup_create('border TL', #{line: 6, col: 3, border: [1, 0, 0, 4]})
	  call popup_create('paddings', #{line: 6, col: 23, padding: [1, 3, 2, 4]})
	  call popup_create('wrapped longer text', #{line: 8, col: 55, padding: [0, 3, 0, 3], border: [0, 1, 0, 1]})
	  call popup_create('right aligned text', #{line: 11, col: 56, wrap: 0, padding: [0, 3, 0, 3], border: [0, 1, 0, 1]})
    END
    call insert(lines, iter == 1 ? '' : 'set enc=latin1')
    call writefile(lines, 'XtestPopupBorder')
    let buf = RunVimInTerminal('-S XtestPopupBorder', #{rows: 15})
    call VerifyScreenDump(buf, 'Test_popupwin_2' .. iter, {})

    call StopVimInTerminal(buf)
    call delete('XtestPopupBorder')
  endfor

  let lines =<< trim END
	call setline(1, range(1, 100))
	hi BlueColor ctermbg=lightblue
	hi TopColor ctermbg=253
	hi RightColor ctermbg=245
	hi BottomColor ctermbg=240
	hi LeftColor ctermbg=248
	call popup_create('hello border', #{line: 2, col: 3, border: [], borderhighlight: ['BlueColor']})
	call popup_create(['hello border', 'and more'], #{line: 2, col: 23, border: [], borderhighlight: ['TopColor', 'RightColor', 'BottomColor', 'LeftColor']})
	call popup_create(['hello border', 'lines only'], #{line: 2, col: 43, border: [], borderhighlight: ['BlueColor'], borderchars: ['x']})
	call popup_create(['hello border', 'with corners'], #{line: 2, col: 60, border: [], borderhighlight: ['BlueColor'], borderchars: ['x', '#']})
	let winid = popup_create(['hello border', 'with numbers'], #{line: 6, col: 3, border: [], borderhighlight: ['BlueColor'], borderchars: ['0', '1', '2', '3', '4', '5', '6', '7']})
	call popup_create(['hello border', 'just blanks'], #{line: 7, col: 23, border: [], borderhighlight: ['BlueColor'], borderchars: [' ']})
	func MultiByte()
	  call popup_create(['hello'], #{line: 8, col: 43, border: [], borderchars: ['─', '│', '─', '│', '┌', '┐', '┘', '└']})
	endfunc
  END
  call writefile(lines, 'XtestPopupBorder')
  let buf = RunVimInTerminal('-S XtestPopupBorder', #{rows: 12})
  call VerifyScreenDump(buf, 'Test_popupwin_22', {})

  " check that changing borderchars triggers a redraw
  call term_sendkeys(buf, ":call popup_setoptions(winid, #{borderchars: ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h']})\<CR>")
  call VerifyScreenDump(buf, 'Test_popupwin_23', {})

  " check multi-byte border only with 'ambiwidth' single
  if &ambiwidth == 'single'
    call term_sendkeys(buf, ":call MultiByte()\<CR>")
    call VerifyScreenDump(buf, 'Test_popupwin_24', {})
  endif

  call StopVimInTerminal(buf)
  call delete('XtestPopupBorder')

  let with_border_or_padding = #{
	\ line: 2,
	\ core_line: 3,
	\ col: 3,
	\ core_col: 4,
	\ width: 14,
	\ core_width: 12,
	\ height: 3,
	\ core_height: 1,
	\ firstline: 1,
	\ lastline: 1,
	\ scrollbar: 0,
	\ visible: 1}
  let winid = popup_create('hello border', #{line: 2, col: 3, border: []})",
  call assert_equal(with_border_or_padding, winid->popup_getpos())
  let options = popup_getoptions(winid)
  call assert_equal([], options.border)
  call assert_false(has_key(options, "padding"))

  let winid = popup_create('hello padding', #{line: 2, col: 3, padding: []})
  let with_border_or_padding.width = 15
  let with_border_or_padding.core_width = 13
  call assert_equal(with_border_or_padding, popup_getpos(winid))
  let options = popup_getoptions(winid)
  call assert_false(has_key(options, "border"))
  call assert_equal([], options.padding)

  call popup_setoptions(winid, #{
	\ padding: [1, 2, 3, 4],
	\ border: [4, 0, 7, 8],
	\ borderhighlight: ['Top', 'Right', 'Bottom', 'Left'],
	\ borderchars: ['1', '^', '2', '>', '3', 'v', '4', '<'],
	\ })
  let options = popup_getoptions(winid)
  call assert_equal([1, 0, 1, 1], options.border)
  call assert_equal([1, 2, 3, 4], options.padding)
  call assert_equal(['Top', 'Right', 'Bottom', 'Left'], options.borderhighlight)
  call assert_equal(['1', '^', '2', '>', '3', 'v', '4', '<'], options.borderchars)

  " Check that popup_setoptions() takes the output of popup_getoptions()
  call popup_setoptions(winid, options)
  call assert_equal(options, popup_getoptions(winid))

  let winid = popup_create('hello both', #{line: 3, col: 8, border: [], padding: []})
  call assert_equal(#{
	\ line: 3,
	\ core_line: 5,
	\ col: 8,
	\ core_col: 10,
	\ width: 14,
	\ core_width: 10,
	\ height: 5,
	\ scrollbar: 0,
	\ core_height: 1,
	\ firstline: 1,
	\ lastline: 1,
	\ visible: 1}, popup_getpos(winid))

  call popup_clear()
endfunc

func Test_popup_with_syntax_win_execute()
  CheckScreendump

  let lines =<< trim END
	call setline(1, range(1, 100))
	hi PopupColor ctermbg=lightblue
	let winid = popup_create([
	    \ '#include <stdio.h>',
	    \ 'int main(void)',
	    \ '{',
	    \ '    printf(123);',
	    \ '}',
	    \], #{line: 3, col: 25, highlight: 'PopupColor'})
	call win_execute(winid, 'set syntax=cpp')
  END
  call writefile(lines, 'XtestPopup')
  let buf = RunVimInTerminal('-S XtestPopup', #{rows: 10})
  call VerifyScreenDump(buf, 'Test_popupwin_10', {})

  " clean up
  call StopVimInTerminal(buf)
  call delete('XtestPopup')
endfunc

func Test_popup_with_syntax_setbufvar()
  CheckScreendump

  let lines =<< trim END
	call setline(1, range(1, 100))
	hi PopupColor ctermbg=lightgrey
	let winid = popup_create([
	    \ '#include <stdio.h>',
	    \ 'int main(void)',
	    \ '{',
	    \ "\tprintf(567);",
	    \ '}',
	    \], #{line: 3, col: 21, highlight: 'PopupColor'})
	call setbufvar(winbufnr(winid), '&syntax', 'cpp')
  END
  call writefile(lines, 'XtestPopup')
  let buf = RunVimInTerminal('-S XtestPopup', #{rows: 10})
  call VerifyScreenDump(buf, 'Test_popupwin_11', {})

  " clean up
  call StopVimInTerminal(buf)
  call delete('XtestPopup')
endfunc

func Test_popup_with_matches()
  CheckScreendump

  let lines =<< trim END
	call setline(1, ['111 222 333', '444 555 666'])
	let winid = popup_create([
	    \ '111 222 333',
	    \ '444 555 666',
	    \], #{line: 3, col: 10, border: []})
	set hlsearch
	hi VeryBlue ctermfg=blue guifg=blue
	/666
	call matchadd('ErrorMsg', '111')
	call matchadd('VeryBlue', '444')
	call win_execute(winid, "call matchadd('ErrorMsg', '111')")
	call win_execute(winid, "call matchadd('VeryBlue', '555')")
  END
  call writefile(lines, 'XtestPopupMatches')
  let buf = RunVimInTerminal('-S XtestPopupMatches', #{rows: 10})
  call VerifyScreenDump(buf, 'Test_popupwin_matches', {})

  " clean up
  call StopVimInTerminal(buf)
  call delete('XtestPopupMatches')
endfunc

func Test_popup_all_corners()
  CheckScreendump

  let lines =<< trim END
	call setline(1, repeat([repeat('-', 60)], 15))
	set so=0
	normal 2G3|r#
	let winid1 = popup_create(['first', 'second'], #{
	      \ line: 'cursor+1',
	      \ col: 'cursor',
	      \ pos: 'topleft',
	      \ border: [],
	      \ padding: [],
	      \ })
	normal 24|r@
	let winid1 = popup_create(['First', 'SeconD'], #{
	      \ line: 'cursor+1',
	      \ col: 'cursor',
	      \ pos: 'topright',
	      \ border: [],
	      \ padding: [],
	      \ })
	normal 9G27|r%
	let winid1 = popup_create(['fiRSt', 'seCOnd'], #{
	      \ line: 'cursor-1',
	      \ col: 'cursor',
	      \ pos: 'botleft',
	      \ border: [],
	      \ padding: [],
	      \ })
	normal 48|r&
	let winid1 = popup_create(['FIrsT', 'SEcoND'], #{
	      \ line: 'cursor-1',
	      \ col: 'cursor',
	      \ pos: 'botright',
	      \ border: [],
	      \ padding: [],
	      \ })
	normal 1G51|r*
	let winid1 = popup_create(['one', 'two'], #{
	      \ line: 'cursor-1',
	      \ col: 'cursor',
	      \ pos: 'botleft',
	      \ border: [],
	      \ padding: [],
	      \ })
  END
  call writefile(lines, 'XtestPopupCorners')
  let buf = RunVimInTerminal('-S XtestPopupCorners', #{rows: 12})
  call VerifyScreenDump(buf, 'Test_popupwin_corners', {})

  " clean up
  call StopVimInTerminal(buf)
  call delete('XtestPopupCorners')
endfunc

func Test_popup_firstline()
  CheckScreendump

  let lines =<< trim END
	call setline(1, range(1, 20))
	let winid = popup_create(['1111', '222222', '33333', '44', '5', '666666', '77777', '888', '9999999999999999'], #{
	      \ maxheight: 4,
	      \ firstline: 3,
	      \ })
  END
  call writefile(lines, 'XtestPopupFirstline')
  let buf = RunVimInTerminal('-S XtestPopupFirstline', #{rows: 10})
  call VerifyScreenDump(buf, 'Test_popupwin_firstline_1', {})

  call term_sendkeys(buf, ":call popup_setoptions(winid, #{firstline: -1})\<CR>")
  call term_sendkeys(buf, ":\<CR>")
  call VerifyScreenDump(buf, 'Test_popupwin_firstline_2', {})

  " clean up
  call StopVimInTerminal(buf)
  call delete('XtestPopupFirstline')

  let winid = popup_create(['1111', '222222', '33333', '44444'], #{
	\ maxheight: 2,
	\ firstline: 3,
	\ })
  call assert_equal(3, popup_getoptions(winid).firstline)
  call popup_setoptions(winid, #{firstline: 1})
  call assert_equal(1, popup_getoptions(winid).firstline)
  eval winid->popup_close()

  let winid = popup_create(['xxx']->repeat(50), #{
	\ maxheight: 3,
	\ firstline: 11,
	\ })
  redraw
  call assert_equal(11, popup_getoptions(winid).firstline)
  call assert_equal(11, popup_getpos(winid).firstline)
  " check line() works with popup window
  call assert_equal(11, line('.', winid))
  call assert_equal(50, line('$', winid))
  call assert_equal(0, line('$', 123456))

  " Normal command changes what is displayed but not "firstline"
  call win_execute(winid, "normal! \<c-y>")
  call assert_equal(11, popup_getoptions(winid).firstline)
  call assert_equal(10, popup_getpos(winid).firstline)

  " Making some property change applies "firstline" again
  call popup_setoptions(winid, #{line: 4})
  call assert_equal(11, popup_getoptions(winid).firstline)
  call assert_equal(11, popup_getpos(winid).firstline)

  " Remove "firstline" property and scroll
  call popup_setoptions(winid, #{firstline: 0})
  call win_execute(winid, "normal! \<c-y>")
  call assert_equal(0, popup_getoptions(winid).firstline)
  call assert_equal(10, popup_getpos(winid).firstline)

  " Making some property change has no side effect
  call popup_setoptions(winid, #{line: 3})
  call assert_equal(0, popup_getoptions(winid).firstline)
  call assert_equal(10, popup_getpos(winid).firstline)

  " CTRL-D scrolls down half a page
  let winid = popup_create(['xxx']->repeat(50), #{
	\ maxheight: 8,
	\ })
  redraw
  call assert_equal(1, popup_getpos(winid).firstline)
  call win_execute(winid, "normal! \<C-D>")
  call assert_equal(5, popup_getpos(winid).firstline)
  call win_execute(winid, "normal! \<C-D>")
  call assert_equal(9, popup_getpos(winid).firstline)
  call win_execute(winid, "normal! \<C-U>")
  call assert_equal(5, popup_getpos(winid).firstline)

  call win_execute(winid, "normal! \<C-F>")
  call assert_equal(11, popup_getpos(winid).firstline)
  call win_execute(winid, "normal! \<C-B>")
  call assert_equal(5, popup_getpos(winid).firstline)

  call popup_close(winid)
endfunc

func Test_popup_noscrolloff()
  set scrolloff=5
  let winid = popup_create(['xxx']->repeat(50), #{
	\ maxheight: 5,
	\ firstline: 11,
	\ })
  redraw
  call assert_equal(11, popup_getoptions(winid).firstline)
  call assert_equal(11, popup_getpos(winid).firstline)

  call popup_setoptions(winid, #{firstline: 0})
  call win_execute(winid, "normal! \<c-y>")
  call assert_equal(0, popup_getoptions(winid).firstline)
  call assert_equal(10, popup_getpos(winid).firstline)

  call popup_close(winid)
endfunc

func Test_popup_drag()
  CheckScreendump

  " create a popup that covers the command line
  let lines =<< trim END
	call setline(1, range(1, 20))
	split
	vsplit
	$wincmd w
	vsplit
	1wincmd w
	let winid = popup_create(['1111', '222222', '33333'], #{
	      \ drag: 1,
	      \ resize: 1,
	      \ border: [],
	      \ line: &lines - 4,
	      \ })
	func Dragit()
	  call feedkeys("\<F3>\<LeftMouse>\<F4>\<LeftDrag>\<LeftRelease>", "xt")
	endfunc
	map <silent> <F3> :call test_setmouse(&lines - 4, &columns / 2)<CR>
	map <silent> <F4> :call test_setmouse(&lines - 8, &columns / 2 - 20)<CR>
	func Resize()
	  call feedkeys("\<F5>\<LeftMouse>\<F6>\<LeftDrag>\<LeftRelease>", "xt")
	endfunc
	map <silent> <F5> :call test_setmouse(6, 21)<CR>
	map <silent> <F6> :call test_setmouse(7, 25)<CR>
  END
  call writefile(lines, 'XtestPopupDrag')
  let buf = RunVimInTerminal('-S XtestPopupDrag', #{rows: 10})
  call VerifyScreenDump(buf, 'Test_popupwin_drag_01', {})

  call term_sendkeys(buf, ":call Dragit()\<CR>")
  call VerifyScreenDump(buf, 'Test_popupwin_drag_02', {})

  call term_sendkeys(buf, ":call Resize()\<CR>")
  call VerifyScreenDump(buf, 'Test_popupwin_drag_03', {})

  " clean up
  call StopVimInTerminal(buf)
  call delete('XtestPopupDrag')
endfunc

func Test_popup_close_with_mouse()
  CheckScreendump

  let lines =<< trim END
	call setline(1, range(1, 20))
	" With border, can click on X
	let winid = popup_create('foobar', #{
	      \ close: 'button',
	      \ border: [],
	      \ line: 1,
	      \ col: 1,
	      \ })
	func CloseMsg(id, result)
	  echomsg 'Popup closed with ' .. a:result
	endfunc
	let winid = popup_create('notification', #{
	      \ close: 'click',
	      \ line: 3,
	      \ col: 15,
	      \ callback: 'CloseMsg',
	      \ })
	let winid = popup_create('no border here', #{
	      \ close: 'button',
	      \ line: 5,
	      \ col: 3,
	      \ })
	let winid = popup_create('only padding', #{
	      \ close: 'button',
	      \ padding: [],
	      \ line: 5,
	      \ col: 23,
	      \ })
	func CloseWithX()
	  call feedkeys("\<F3>\<LeftMouse>\<LeftRelease>", "xt")
	endfunc
	map <silent> <F3> :call test_setmouse(1, len('foobar') + 2)<CR>
	func CloseWithClick()
	  call feedkeys("\<F4>\<LeftMouse>\<LeftRelease>", "xt")
	endfunc
	map <silent> <F4> :call test_setmouse(3, 17)<CR>
	func CreateWithMenuFilter()
	  let winid = popup_create('barfoo', #{
		\ close: 'button',
		\ filter: 'popup_filter_menu',
		\ border: [],
		\ line: 1,
		\ col: 40,
		\ })
	endfunc
  END
  call writefile(lines, 'XtestPopupClose')
  let buf = RunVimInTerminal('-S XtestPopupClose', #{rows: 10})
  call VerifyScreenDump(buf, 'Test_popupwin_close_01', {})

  call term_sendkeys(buf, ":call CloseWithX()\<CR>")
  call VerifyScreenDump(buf, 'Test_popupwin_close_02', {})

  call term_sendkeys(buf, ":call CloseWithClick()\<CR>")
  call VerifyScreenDump(buf, 'Test_popupwin_close_03', {})

  call term_sendkeys(buf, ":call CreateWithMenuFilter()\<CR>")
  call VerifyScreenDump(buf, 'Test_popupwin_close_04', {})

  " We have to send the actual mouse code, feedkeys() would be caught the
  " filter.
  call term_sendkeys(buf, "\<Esc>[<0;47;1M")
  call VerifyScreenDump(buf, 'Test_popupwin_close_05', {})

  " clean up
  call StopVimInTerminal(buf)
  call delete('XtestPopupClose')
endfunction

func Test_popup_menu_wrap()
  CheckScreendump

  let lines =<< trim END
	call setline(1, range(1, 20))
	call popup_create([
	      \ 'one',
	      \ 'asdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfas',
	      \ 'three',
	      \ 'four',
	      \ ], #{
	      \ pos: "botleft",
	      \ border: [],
	      \ padding: [0,1,0,1],
	      \ maxheight: 3,
	      \ cursorline: 1,
	      \ filter: 'popup_filter_menu',
	      \ })
  END
  call writefile(lines, 'XtestPopupWrap')
  let buf = RunVimInTerminal('-S XtestPopupWrap', #{rows: 10})
  call VerifyScreenDump(buf, 'Test_popupwin_wrap_1', {})

  call term_sendkeys(buf, "jj")
  call VerifyScreenDump(buf, 'Test_popupwin_wrap_2', {})

  " clean up
  call term_sendkeys(buf, "\<Esc>")
  call StopVimInTerminal(buf)
  call delete('XtestPopupWrap')
endfunction

func Test_popup_with_mask()
  CheckScreendump

  let lines =<< trim END
	call setline(1, repeat([join(range(1, 42), '')], 13))
	hi PopupColor ctermbg=lightgrey
	let winid = popup_create([
	    \ 'some text',
	    \ 'another line',
	    \], #{
	    \ line: 1,
	    \ col: 10,
	    \ wrap: 0,
	    \ fixed: 1,
	    \ zindex: 90,
	    \ padding: [],
	    \ highlight: 'PopupColor',
	    \ mask: [[1,1,1,1], [-5,-1,4,4], [7,9,2,3], [2,4,3,3]]})
	call popup_create([
	    \ 'xxxxxxxxx',
	    \ 'yyyyyyyyy',
	    \], #{
	    \ line: 3,
	    \ col: 18,
	    \ zindex: 20})
	let winidb = popup_create([
	    \ 'just one line',
	    \], #{
	    \ line: 7,
	    \ col: 10,
	    \ wrap: 0,
	    \ fixed: 1,
	    \ close: 'button',
	    \ zindex: 90,
	    \ padding: [],
	    \ border: [],
	    \ mask: [[1,2,1,1], [-5,-1,4,4], [7,9,2,3], [3,5,5,5],[-7,-4,5,5]]})
  END
  call writefile(lines, 'XtestPopupMask')
  let buf = RunVimInTerminal('-S XtestPopupMask', #{rows: 13})
  call VerifyScreenDump(buf, 'Test_popupwin_mask_1', {})

  call term_sendkeys(buf, ":call popup_move(winid, #{col: 11, line: 2})\<CR>")
  call term_sendkeys(buf, ":call popup_move(winidb, #{col: 12})\<CR>")
  call term_sendkeys(buf, ":\<CR>")
  call VerifyScreenDump(buf, 'Test_popupwin_mask_2', {})

  call term_sendkeys(buf, ":call popup_move(winid, #{col: 65, line: 2})\<CR>")
  call term_sendkeys(buf, ":call popup_move(winidb, #{col: 63})\<CR>")
  call term_sendkeys(buf, ":\<CR>")
  call VerifyScreenDump(buf, 'Test_popupwin_mask_3', {})

  call term_sendkeys(buf, ":call popup_move(winid, #{pos: 'topright', col: 12, line: 2})\<CR>")
  call term_sendkeys(buf, ":call popup_move(winidb, #{pos: 'topright', col: 12})\<CR>")
  call term_sendkeys(buf, ":\<CR>")
  call VerifyScreenDump(buf, 'Test_popupwin_mask_4', {})

  call term_sendkeys(buf, ":call popup_move(winid, #{pos: 'topright', col: 12, line: 11})\<CR>")
  call term_sendkeys(buf, ":call popup_move(winidb, #{pos: 'topleft', col: 42, line: 11})\<CR>")
  call term_sendkeys(buf, ":\<CR>")
  call VerifyScreenDump(buf, 'Test_popupwin_mask_5', {})

  " clean up
  call StopVimInTerminal(buf)
  call delete('XtestPopupMask')
endfunc

func Test_popup_select()
  CheckScreendump
  CheckFeature clipboard_working

  " create a popup with some text to be selected
  let lines =<< trim END
    set clipboard=autoselect
    call setline(1, range(1, 20))
    let winid = popup_create(['the word', 'some more', 'several words here', 'invisible', '5', '6', '7'], #{
	  \ drag: 1,
	  \ border: [],
	  \ line: 3,
	  \ col: 10,
	  \ maxheight: 3,
	  \ })
    func Select1()
      call feedkeys("\<F3>\<LeftMouse>\<F4>\<LeftDrag>\<LeftRelease>", "xt")
    endfunc
    map <silent> <F3> :call test_setmouse(4, 15)<CR>
    map <silent> <F4> :call test_setmouse(6, 23)<CR>
  END
  call writefile(lines, 'XtestPopupSelect')
  let buf = RunVimInTerminal('-S XtestPopupSelect', #{rows: 10})
  call term_sendkeys(buf, ":call Select1()\<CR>")
  call VerifyScreenDump(buf, 'Test_popupwin_select_01', {})

  call term_sendkeys(buf, ":call popup_close(winid)\<CR>")
  call term_sendkeys(buf, "\"*p")
  " clean the command line, sometimes it still shows a command
  call term_sendkeys(buf, ":\<esc>")

  call VerifyScreenDump(buf, 'Test_popupwin_select_02', {})

  " clean up
  call StopVimInTerminal(buf)
  call delete('XtestPopupSelect')
endfunc

func Test_popup_in_tab()
  " default popup is local to tab, not visible when in other tab
  let winid = popup_create("text", {})
  let bufnr = winbufnr(winid)
  call assert_equal(1, popup_getpos(winid).visible)
  call assert_equal(0, popup_getoptions(winid).tabpage)
  tabnew
  call assert_equal(0, popup_getpos(winid).visible)
  call assert_equal(1, popup_getoptions(winid).tabpage)
  quit
  call assert_equal(1, popup_getpos(winid).visible)

  call assert_equal(1, bufexists(bufnr))
  call popup_clear()
  " buffer is gone now
  call assert_equal(0, bufexists(bufnr))

  " global popup is visible in any tab
  let winid = popup_create("text", #{tabpage: -1})
  call assert_equal(1, popup_getpos(winid).visible)
  call assert_equal(-1, popup_getoptions(winid).tabpage)
  tabnew
  call assert_equal(1, popup_getpos(winid).visible)
  call assert_equal(-1, popup_getoptions(winid).tabpage)
  quit
  call assert_equal(1, popup_getpos(winid).visible)
  call popup_clear()

  " create popup in other tab
  tabnew
  let winid = popup_create("text", #{tabpage: 1})
  call assert_equal(0, popup_getpos(winid).visible)
  call assert_equal(1, popup_getoptions(winid).tabpage)
  quit
  call assert_equal(1, popup_getpos(winid).visible)
  call assert_equal(0, popup_getoptions(winid).tabpage)
  call popup_clear()
endfunc

func Test_popup_valid_arguments()
  " Zero value is like the property wasn't there
  let winid = popup_create("text", #{col: 0})
  let pos = popup_getpos(winid)
  call assert_inrange(&columns / 2 - 1, &columns / 2 + 1, pos.col)
  call popup_clear()

  " using cursor column has minimum value of 1
  let winid = popup_create("text", #{col: 'cursor-100'})
  let pos = popup_getpos(winid)
  call assert_equal(1, pos.col)
  call popup_clear()

  " center
  let winid = popup_create("text", #{pos: 'center'})
  let pos = popup_getpos(winid)
  let around = (&columns - pos.width) / 2
  call assert_inrange(around - 1, around + 1, pos.col)
  let around = (&lines - pos.height) / 2
  call assert_inrange(around - 1, around + 1, pos.line)
  call popup_clear()
endfunc

func Test_popup_invalid_arguments()
  call assert_fails('call popup_create(666, {})', 'E86:')
  call popup_clear()
  call assert_fails('call popup_create("text", "none")', 'E715:')
  call popup_clear()

  call assert_fails('call popup_create("text", #{col: "xxx"})', 'E475:')
  call popup_clear()
  call assert_fails('call popup_create("text", #{col: "cursor8"})', 'E15:')
  call popup_clear()
  call assert_fails('call popup_create("text", #{col: "cursor+x"})', 'E15:')
  call popup_clear()
  call assert_fails('call popup_create("text", #{col: "cursor+8x"})', 'E15:')
  call popup_clear()

  call assert_fails('call popup_create("text", #{line: "xxx"})', 'E475:')
  call popup_clear()
  call assert_fails('call popup_create("text", #{line: "cursor8"})', 'E15:')
  call popup_clear()
  call assert_fails('call popup_create("text", #{line: "cursor+x"})', 'E15:')
  call popup_clear()
  call assert_fails('call popup_create("text", #{line: "cursor+8x"})', 'E15:')
  call popup_clear()

  call assert_fails('call popup_create("text", #{pos: "there"})', 'E475:')
  call popup_clear()
  call assert_fails('call popup_create("text", #{padding: "none"})', 'E714:')
  call popup_clear()
  call assert_fails('call popup_create("text", #{border: "none"})', 'E714:')
  call popup_clear()
  call assert_fails('call popup_create("text", #{borderhighlight: "none"})', 'E714:')
  call popup_clear()
  call assert_fails('call popup_create("text", #{borderhighlight: test_null_list()})', 'E714:')
  call popup_clear()
  call assert_fails('call popup_create("text", #{borderchars: "none"})', 'E714:')
  call popup_clear()

  call assert_fails('call popup_create([#{text: "text"}, 666], {})', 'E715:')
  call popup_clear()
  call assert_fails('call popup_create([#{text: "text", props: "none"}], {})', 'E714:')
  call popup_clear()
  call assert_fails('call popup_create([#{text: "text", props: ["none"]}], {})', 'E715:')
  call popup_clear()
  call assert_fails('call popup_create("text", #{mask: ["asdf"]})', 'E475:')
  call popup_clear()
  call assert_fails('call popup_create("text", #{mask: test_null_list()})', 'E475:')
  call assert_fails('call popup_create("text", #{mapping: []})', 'E745:')
  call popup_clear()
endfunc

func Test_win_execute_closing_curwin()
  split
  let winid = popup_create('some text', {})
  call assert_fails('call win_execute(winid, winnr() .. "close")', 'E994')
  call popup_clear()
endfunc

func Test_win_execute_not_allowed()
  let winid = popup_create('some text', {})
  call assert_fails('call win_execute(winid, "split")', 'E994:')
  call assert_fails('call win_execute(winid, "vsplit")', 'E994:')
  call assert_fails('call win_execute(winid, "close")', 'E994:')
  call assert_fails('call win_execute(winid, "bdelete")', 'E994:')
  call assert_fails('call win_execute(winid, "bwipe!")', 'E994:')
  call assert_fails('call win_execute(winid, "tabnew")', 'E994:')
  call assert_fails('call win_execute(winid, "tabnext")', 'E994:')
  call assert_fails('call win_execute(winid, "next")', 'E994:')
  call assert_fails('call win_execute(winid, "rewind")', 'E994:')
  call assert_fails('call win_execute(winid, "buf")', 'E994:')
  call assert_fails('call win_execute(winid, "edit")', 'E994:')
  call assert_fails('call win_execute(winid, "enew")', 'E994:')
  call assert_fails('call win_execute(winid, "wincmd x")', 'E994:')
  call assert_fails('call win_execute(winid, "wincmd w")', 'E994:')
  call assert_fails('call win_execute(winid, "wincmd t")', 'E994:')
  call assert_fails('call win_execute(winid, "wincmd b")', 'E994:')
  call popup_clear()
endfunc

func Test_popup_with_wrap()
  CheckScreendump

  let lines =<< trim END
	 call setline(1, range(1, 100))
	 let winid = popup_create(
	   \ 'a long line that wont fit',
	   \ #{line: 3, col: 20, maxwidth: 10, wrap: 1})
  END
  call writefile(lines, 'XtestPopup')
  let buf = RunVimInTerminal('-S XtestPopup', #{rows: 10})
  call VerifyScreenDump(buf, 'Test_popupwin_wrap', {})

  " clean up
  call StopVimInTerminal(buf)
  call delete('XtestPopup')
endfunc

func Test_popup_without_wrap()
  CheckScreendump

  let lines =<< trim END
	 call setline(1, range(1, 100))
	 let winid = popup_create(
	   \ 'a long line that wont fit',
	   \ #{line: 3, col: 20, maxwidth: 10, wrap: 0})
  END
  call writefile(lines, 'XtestPopup')
  let buf = RunVimInTerminal('-S XtestPopup', #{rows: 10})
  call VerifyScreenDump(buf, 'Test_popupwin_nowrap', {})

  " clean up
  call StopVimInTerminal(buf)
  call delete('XtestPopup')
endfunc

func Test_popup_with_showbreak()
  CheckScreendump

  let lines =<< trim END
	 set showbreak=>>\ 
	 call setline(1, range(1, 20))
	 let winid = popup_dialog(
	   \ 'a long line here that wraps',
	   \ #{filter: 'popup_filter_yesno',
	   \   maxwidth: 12})
  END
  call writefile(lines, 'XtestPopupShowbreak')
  let buf = RunVimInTerminal('-S XtestPopupShowbreak', #{rows: 10})
  call VerifyScreenDump(buf, 'Test_popupwin_showbreak', {})

  " clean up
  call term_sendkeys(buf, "y")
  call StopVimInTerminal(buf)
  call delete('XtestPopupShowbreak')
endfunc

func Test_popup_time()
  CheckFeature timers

  topleft vnew
  call setline(1, 'hello')

  let winid = popup_create('world', #{
	\ line: 1,
	\ col: 1,
	\ minwidth: 20,
	\ time: 500,
	\})
  redraw
  let line = join(map(range(1, 5), 'screenstring(1, v:val)'), '')
  call assert_equal('world', line)

  call assert_equal(winid, popup_locate(1, 1))
  call assert_equal(winid, popup_locate(1, 20))
  call assert_equal(0, popup_locate(1, 21))
  call assert_equal(0, popup_locate(2, 1))

  sleep 700m
  redraw
  let line = join(map(range(1, 5), '1->screenstring(v:val)'), '')
  call assert_equal('hello', line)

  call popup_create('on the command line', #{
	\ line: &lines,
	\ col: 10,
	\ minwidth: 20,
	\ time: 500,
	\})
  redraw
  let line = join(map(range(1, 30), 'screenstring(&lines, v:val)'), '')
  call assert_match('.*on the command line.*', line)

  sleep 700m
  redraw
  let line = join(map(range(1, 30), 'screenstring(&lines, v:val)'), '')
  call assert_notmatch('.*on the command line.*', line)

  bwipe!
endfunc

func Test_popup_hide()
  topleft vnew
  call setline(1, 'hello')

  let winid = popup_create('world', #{
	\ line: 1,
	\ col: 1,
	\ minwidth: 20,
	\})
  redraw
  let line = join(map(range(1, 5), 'screenstring(1, v:val)'), '')
  call assert_equal('world', line)
  call assert_equal(1, popup_getpos(winid).visible)
  " buffer is still listed and active
  call assert_match(winbufnr(winid) .. 'u a.*\[Popup\]', execute('ls u'))

  call popup_hide(winid)
  redraw
  let line = join(map(range(1, 5), 'screenstring(1, v:val)'), '')
  call assert_equal('hello', line)
  call assert_equal(0, popup_getpos(winid).visible)
  " buffer is still listed but hidden
  call assert_match(winbufnr(winid) .. 'u h.*\[Popup\]', execute('ls u'))

  eval winid->popup_show()
  redraw
  let line = join(map(range(1, 5), 'screenstring(1, v:val)'), '')
  call assert_equal('world', line)
  call assert_equal(1, popup_getpos(winid).visible)


  call popup_close(winid)
  redraw
  let line = join(map(range(1, 5), 'screenstring(1, v:val)'), '')
  call assert_equal('hello', line)

  " error is given for existing non-popup window
  call assert_fails('call popup_hide(win_getid())', 'E993:')

  " no error non-existing window
  eval 1234234->popup_hide()
  call popup_show(41234234)

  bwipe!
endfunc

func Test_popup_move()
  topleft vnew
  call setline(1, 'hello')

  let winid = popup_create('world', #{
	\ line: 1,
	\ col: 1,
	\ minwidth: 20,
	\})
  redraw
  let line = join(map(range(1, 6), 'screenstring(1, v:val)'), '')
  call assert_equal('world ', line)

  call popup_move(winid, #{line: 2, col: 2})
  redraw
  let line = join(map(range(1, 6), 'screenstring(1, v:val)'), '')
  call assert_equal('hello ', line)
  let line = join(map(range(1, 6), 'screenstring(2, v:val)'), '')
  call assert_equal('~world', line)

  eval winid->popup_move(#{line: 1})
  redraw
  let line = join(map(range(1, 6), 'screenstring(1, v:val)'), '')
  call assert_equal('hworld', line)

  call popup_close(winid)

  bwipe!
endfunc

func Test_popup_getpos()
  let winid = popup_create('hello', #{
    \ line: 2,
    \ col: 3,
    \ minwidth: 10,
    \ minheight: 11,
    \})
  redraw
  let res = popup_getpos(winid)
  call assert_equal(2, res.line)
  call assert_equal(3, res.col)
  call assert_equal(10, res.width)
  call assert_equal(11, res.height)
  call assert_equal(1, res.visible)

  call popup_close(winid)
endfunc

func Test_popup_width_longest()
  let tests = [
	\ [['hello', 'this', 'window', 'displays', 'all of its text'], 15],
	\ [['hello', 'this', 'window', 'all of its text', 'displays'], 15],
	\ [['hello', 'this', 'all of its text', 'window', 'displays'], 15],
	\ [['hello', 'all of its text', 'this', 'window', 'displays'], 15],
	\ [['all of its text', 'hello', 'this', 'window', 'displays'], 15],
	\ ]

  for test in tests
    let winid = popup_create(test[0], #{line: 2, col: 3})
    redraw
    let position = popup_getpos(winid)
    call assert_equal(test[1], position.width)
    call popup_close(winid)
  endfor
endfunc

func Test_popup_wraps()
  let tests = [
	\ ['nowrap', 6, 1],
	\ ['a line that wraps once', 12, 2],
	\ ['a line that wraps two times', 12, 3],
	\ ]
  for test in tests
    let winid = popup_create(test[0],
	  \ #{line: 2, col: 3, maxwidth: 12})
    redraw
    let position = popup_getpos(winid)
    call assert_equal(test[1], position.width)
    call assert_equal(test[2], position.height)

    call popup_close(winid)
    call assert_equal({}, popup_getpos(winid))
  endfor
endfunc

func Test_popup_getoptions()
  let winid = popup_create('hello', #{
    \ line: 2,
    \ col: 3,
    \ minwidth: 10,
    \ minheight: 11,
    \ maxwidth: 20,
    \ maxheight: 21,
    \ zindex: 100,
    \ time: 5000,
    \ fixed: 1
    \})
  redraw
  let res = popup_getoptions(winid)
  call assert_equal(2, res.line)
  call assert_equal(3, res.col)
  call assert_equal(10, res.minwidth)
  call assert_equal(11, res.minheight)
  call assert_equal(20, res.maxwidth)
  call assert_equal(21, res.maxheight)
  call assert_equal(100, res.zindex)
  call assert_equal(1, res.fixed)
  call assert_equal(1, res.mapping)
  if has('timers')
    call assert_equal(5000, res.time)
  endif
  call popup_close(winid)

  let winid = popup_create('hello', {})
  redraw
  let res = popup_getoptions(winid)
  call assert_equal(0, res.line)
  call assert_equal(0, res.col)
  call assert_equal(0, res.minwidth)
  call assert_equal(0, res.minheight)
  call assert_equal(0, res.maxwidth)
  call assert_equal(0, res.maxheight)
  call assert_equal(50, res.zindex)
  call assert_equal(0, res.fixed)
  if has('timers')
    call assert_equal(0, res.time)
  endif
  call popup_close(winid)
  call assert_equal({}, popup_getoptions(winid))
endfunc

func Test_popup_option_values()
  new
  " window-local
  setlocal number
  setlocal nowrap
  " buffer-local
  setlocal omnifunc=Something
  " global/buffer-local
  setlocal path=/there
  " global/window-local
  setlocal statusline=2

  let winid = popup_create('hello', {})
  call assert_equal(0, getwinvar(winid, '&number'))
  call assert_equal(1, getwinvar(winid, '&wrap'))
  call assert_equal('', getwinvar(winid, '&omnifunc'))
  call assert_equal(&g:path, getwinvar(winid, '&path'))
  call assert_equal(&g:statusline, getwinvar(winid, '&statusline'))

  " 'scrolloff' is reset to zero
  call assert_equal(5, &scrolloff)
  call assert_equal(0, getwinvar(winid, '&scrolloff'))

  call popup_close(winid)
  bwipe
endfunc

func Test_popup_atcursor()
  topleft vnew
  call setline(1, [
  \  'xxxxxxxxxxxxxxxxx',
  \  'xxxxxxxxxxxxxxxxx',
  \  'xxxxxxxxxxxxxxxxx',
  \])

  call cursor(2, 2)
  redraw
  let winid = popup_atcursor('vim', {})
  redraw
  let line = join(map(range(1, 17), 'screenstring(1, v:val)'), '')
  call assert_equal('xvimxxxxxxxxxxxxx', line)
  call popup_close(winid)

  call cursor(3, 4)
  redraw
  let winid = 'vim'->popup_atcursor({})
  redraw
  let line = join(map(range(1, 17), 'screenstring(2, v:val)'), '')
  call assert_equal('xxxvimxxxxxxxxxxx', line)
  call popup_close(winid)

  call cursor(1, 1)
  redraw
  let winid = popup_create('vim', #{
	\ line: 'cursor+2',
	\ col: 'cursor+1',
	\})
  redraw
  let line = join(map(range(1, 17), 'screenstring(3, v:val)'), '')
  call assert_equal('xvimxxxxxxxxxxxxx', line)
  call popup_close(winid)

  call cursor(3, 3)
  redraw
  let winid = popup_create('vim', #{
	\ line: 'cursor-2',
	\ col: 'cursor-1',
	\})
  redraw
  let line = join(map(range(1, 17), 'screenstring(1, v:val)'), '')
  call assert_equal('xvimxxxxxxxxxxxxx', line)
  call popup_close(winid)

  " just enough room above
  call cursor(3, 3)
  redraw
  let winid = popup_atcursor(['vim', 'is great'], {})
  redraw
  let pos = popup_getpos(winid)
  call assert_equal(1, pos.line)
  call popup_close(winid)

  " not enough room above, popup goes below the cursor
  call cursor(3, 3)
  redraw
  let winid = popup_atcursor(['vim', 'is', 'great'], {})
  redraw
  let pos = popup_getpos(winid)
  call assert_equal(4, pos.line)
  call popup_close(winid)

  " cursor in first line, popup in line 2
  call cursor(1, 1)
  redraw
  let winid = popup_atcursor(['vim', 'is', 'great'], {})
  redraw
  let pos = popup_getpos(winid)
  call assert_equal(2, pos.line)
  call popup_close(winid)

  bwipe!
endfunc

func Test_popup_beval()
  CheckScreendump
  CheckFeature balloon_eval_term

  let lines =<< trim END
	call setline(1, range(1, 20))
	call setline(5, 'here is some text to hover over')
	set balloonevalterm
	set balloonexpr=BalloonExpr()
	set balloondelay=100
	func BalloonExpr()
	  let s:winid = [v:beval_text]->popup_beval({})
	  return ''
	endfunc
	func Hover()
	  call test_setmouse(5, 15)
	  call feedkeys("\<MouseMove>\<Ignore>", "xt")
	  sleep 100m
	endfunc
	func MoveOntoPopup()
	  call test_setmouse(4, 17)
	  call feedkeys("\<F4>\<MouseMove>\<Ignore>", "xt")
	endfunc
	func MoveAway()
	  call test_setmouse(5, 13)
	  call feedkeys("\<F5>\<MouseMove>\<Ignore>", "xt")
	endfunc
  END
  call writefile(lines, 'XtestPopupBeval')
  let buf = RunVimInTerminal('-S XtestPopupBeval', #{rows: 10})
  call term_wait(buf, 100)
  call term_sendkeys(buf, 'j')
  call term_sendkeys(buf, ":call Hover()\<CR>")
  call VerifyScreenDump(buf, 'Test_popupwin_beval_1', {})

  call term_sendkeys(buf, ":call MoveOntoPopup()\<CR>")
  call VerifyScreenDump(buf, 'Test_popupwin_beval_2', {})

  call term_sendkeys(buf, ":call MoveAway()\<CR>")
  call VerifyScreenDump(buf, 'Test_popupwin_beval_3', {})

  " clean up
  call StopVimInTerminal(buf)
  call delete('XtestPopupBeval')
endfunc

func Test_popup_filter()
  new
  call setline(1, 'some text')

  func MyPopupFilter(winid, c)
    if a:c == 'e'
      let g:eaten = 'e'
      return 1
    endif
    if a:c == '0'
      let g:ignored = '0'
      return 0
    endif
    if a:c == 'x'
      call popup_close(a:winid)
      return 1
    endif
    return 0
  endfunc

  let winid = 'something'->popup_create(#{filter: 'MyPopupFilter'})
  redraw

  " e is consumed by the filter
  call feedkeys('e', 'xt')
  call assert_equal('e', g:eaten)

  " 0 is ignored by the filter
  normal $
  call assert_equal(9, getcurpos()[2])
  call feedkeys('0', 'xt')
  call assert_equal('0', g:ignored)
  call assert_equal(1, getcurpos()[2])

  " x closes the popup
  call feedkeys('x', 'xt')
  call assert_equal('e', g:eaten)
  call assert_equal(-1, winbufnr(winid))

  delfunc MyPopupFilter
  call popup_clear()
endfunc

func ShowDialog(key, result)
  let s:cb_res = 999
  let winid = popup_dialog('do you want to quit (Yes/no)?', #{
	  \ filter: 'popup_filter_yesno',
	  \ callback: 'QuitCallback',
	  \ })
  redraw
  call feedkeys(a:key, "xt")
  call assert_equal(winid, s:cb_winid)
  call assert_equal(a:result, s:cb_res)
endfunc

func Test_popup_dialog()
  func QuitCallback(id, res)
    let s:cb_winid = a:id
    let s:cb_res = a:res
  endfunc

  let winid = ShowDialog("y", 1)
  let winid = ShowDialog("Y", 1)
  let winid = ShowDialog("n", 0)
  let winid = ShowDialog("N", 0)
  let winid = ShowDialog("x", 0)
  let winid = ShowDialog("X", 0)
  let winid = ShowDialog("\<Esc>", 0)
  let winid = ShowDialog("\<C-C>", -1)

  delfunc QuitCallback
endfunc

func ShowMenu(key, result)
  let s:cb_res = 999
  let winid = popup_menu(['one', 'two', 'something else'], #{
	  \ callback: 'QuitCallback',
	  \ })
  redraw
  call feedkeys(a:key, "xt")
  call assert_equal(winid, s:cb_winid)
  call assert_equal(a:result, s:cb_res)
endfunc

func Test_popup_menu()
  func QuitCallback(id, res)
    let s:cb_winid = a:id
    let s:cb_res = a:res
  endfunc
  " mapping won't be used in popup
  map j k

  let winid = ShowMenu(" ", 1)
  let winid = ShowMenu("j \<CR>", 2)
  let winid = ShowMenu("JjK \<CR>", 2)
  let winid = ShowMenu("jjjjjj ", 3)
  let winid = ShowMenu("kkk ", 1)
  let winid = ShowMenu("x", -1)
  let winid = ShowMenu("X", -1)
  let winid = ShowMenu("\<Esc>", -1)
  let winid = ShowMenu("\<C-C>", -1)

  delfunc QuitCallback
  unmap j
endfunc

func Test_popup_menu_screenshot()
  CheckScreendump

  let lines =<< trim END
	call setline(1, range(1, 20))
	hi PopupSelected ctermbg=lightblue
	call popup_menu(['one', 'two', 'another'], #{callback: 'MenuDone', title: ' make a choice from the list '})
	func MenuDone(id, res)
	  echomsg "selected " .. a:res
	endfunc
  END
  call writefile(lines, 'XtestPopupMenu')
  let buf = RunVimInTerminal('-S XtestPopupMenu', #{rows: 10})
  call VerifyScreenDump(buf, 'Test_popupwin_menu_01', {})

  call term_sendkeys(buf, "jj")
  call VerifyScreenDump(buf, 'Test_popupwin_menu_02', {})

  call term_sendkeys(buf, " ")
  call VerifyScreenDump(buf, 'Test_popupwin_menu_03', {})

  " clean up
  call StopVimInTerminal(buf)
  call delete('XtestPopupMenu')
endfunc

func Test_popup_menu_narrow()
  CheckScreendump

  let lines =<< trim END
	call setline(1, range(1, 20))
	hi PopupSelected ctermbg=green
	call popup_menu(['one', 'two', 'three'], #{callback: 'MenuDone'})
	func MenuDone(id, res)
	  echomsg "selected " .. a:res
	endfunc
  END
  call writefile(lines, 'XtestPopupNarrowMenu')
  let buf = RunVimInTerminal('-S XtestPopupNarrowMenu', #{rows: 10})
  call VerifyScreenDump(buf, 'Test_popupwin_menu_04', {})

  " clean up
  call term_sendkeys(buf, "x")
  call StopVimInTerminal(buf)
  call delete('XtestPopupNarrowMenu')
endfunc

func Test_popup_title()
  CheckScreendump

  " Create a popup without title or border, a line of padding will be added to
  " put the title on.
  let lines =<< trim END
	call setline(1, range(1, 20))
	let winid = popup_create(['one', 'two', 'another'], #{title: 'Title String'})
  END
  call writefile(lines, 'XtestPopupTitle')
  let buf = RunVimInTerminal('-S XtestPopupTitle', #{rows: 10})
  call VerifyScreenDump(buf, 'Test_popupwin_title', {})

  call term_sendkeys(buf, ":call popup_setoptions(winid, #{maxwidth: 20, title: 'a very long title that is not going to fit'})\<CR>")
  call term_sendkeys(buf, ":\<CR>")
  call VerifyScreenDump(buf, 'Test_popupwin_longtitle_1', {})

  call term_sendkeys(buf, ":call popup_setoptions(winid, #{border: []})\<CR>")
  call term_sendkeys(buf, ":\<CR>")
  call VerifyScreenDump(buf, 'Test_popupwin_longtitle_2', {})

  " clean up
  call StopVimInTerminal(buf)
  call delete('XtestPopupTitle')

  let winid = popup_create('something', #{title: 'Some Title'})
  call assert_equal('Some Title', popup_getoptions(winid).title)
  call popup_setoptions(winid, #{title: 'Another Title'})
  call assert_equal('Another Title', popup_getoptions(winid).title)

  call popup_clear()
endfunc

func Test_popup_close_callback()
  func PopupDone(id, result)
    let g:result = a:result
  endfunc
  let winid = popup_create('something', #{callback: 'PopupDone'})
  redraw
  call popup_close(winid, 'done')
  call assert_equal('done', g:result)
endfunc

func Test_popup_empty()
  let winid = popup_create('', #{padding: [2,2,2,2]})
  redraw
  let pos = popup_getpos(winid)
  call assert_equal(5, pos.width)
  call assert_equal(5, pos.height)

  let winid = popup_create([], #{border: []})
  redraw
  let pos = popup_getpos(winid)
  call assert_equal(3, pos.width)
  call assert_equal(3, pos.height)
endfunc

func Test_popup_never_behind()
  CheckScreendump

  " +-----------------------------+
  " |             |               |
  " |             |               |
  " |             |               |
  " |            line1            |
  " |------------line2------------|
  " |            line3            |
  " |            line4            |
  " |                             |
  " |                             |
  " +-----------------------------+
  let lines =<< trim END
    split
    vsplit
    let info_window1 = getwininfo()[0]
    let line = info_window1['height']
    let col = info_window1['width']
    call popup_create(['line1', 'line2', 'line3', 'line4'], #{
	      \   line : line,
	      \   col : col,
	      \ })
  END
  call writefile(lines, 'XtestPopupBehind')
  let buf = RunVimInTerminal('-S XtestPopupBehind', #{rows: 10})
  call term_sendkeys(buf, "\<C-W>w")
  call VerifyScreenDump(buf, 'Test_popupwin_behind', {})

  " clean up
  call StopVimInTerminal(buf)
  call delete('XtestPopupBehind')
endfunc

func s:VerifyPosition(p, msg, line, col, width, height)
  call assert_equal(a:line,   popup_getpos(a:p).line,   a:msg . ' (l)')
  call assert_equal(a:col,    popup_getpos(a:p).col,    a:msg . ' (c)')
  call assert_equal(a:width,  popup_getpos(a:p).width,  a:msg . ' (w)')
  call assert_equal(a:height, popup_getpos(a:p).height, a:msg . ' (h)')
endfunc

func Test_popup_position_adjust()
  " Anything placed past 2 cells from of the right of the screen is moved to the
  " left.
  "
  " When wrapping is disabled, we also shift to the left to display on the
  " screen, unless fixed is set.

  " Entries for cases which don't vary based on wrapping.
  " Format is per tests described below
  let both_wrap_tests = [
	\       ['a', 5, &columns,        5, &columns - 2, 1, 1],
	\       ['b', 5, &columns + 1,    5, &columns - 2, 1, 1],
	\       ['c', 5, &columns - 1,    5, &columns - 2, 1, 1],
	\       ['d', 5, &columns - 2,    5, &columns - 2, 1, 1],
	\       ['e', 5, &columns - 3,    5, &columns - 3, 1, 1],
	\
	\       ['aa', 5, &columns,        5, &columns - 2, 2, 1],
	\       ['bb', 5, &columns + 1,    5, &columns - 2, 2, 1],
	\       ['cc', 5, &columns - 1,    5, &columns - 2, 2, 1],
	\       ['dd', 5, &columns - 2,    5, &columns - 2, 2, 1],
	\       ['ee', 5, &columns - 3,    5, &columns - 3, 2, 1],
	\
	\       ['aaa', 5, &columns,        5, &columns - 2, 3, 1],
	\       ['bbb', 5, &columns + 1,    5, &columns - 2, 3, 1],
	\       ['ccc', 5, &columns - 1,    5, &columns - 2, 3, 1],
	\       ['ddd', 5, &columns - 2,    5, &columns - 2, 3, 1],
	\       ['eee', 5, &columns - 3,    5, &columns - 3, 3, 1],
	\ ]

  " these test groups are dicts with:
  "  - comment: something to identify the group of tests by
  "  - options: dict of options to merge with the row/col in tests
  "  - tests: list of cases. Each one is a list with elements:
  "     - text
  "     - row
  "     - col
  "     - expected row
  "     - expected col
  "     - expected width
  "     - expected height
  let tests = [
	\ #{
	\   comment: 'left-aligned with wrapping',
	\   options: #{
	\     wrap: 1,
	\     pos: 'botleft',
	\   },
	\   tests: both_wrap_tests + [
	\       ['aaaa', 5, &columns,        4, &columns - 2, 3, 2],
	\       ['bbbb', 5, &columns + 1,    4, &columns - 2, 3, 2],
	\       ['cccc', 5, &columns - 1,    4, &columns - 2, 3, 2],
	\       ['dddd', 5, &columns - 2,    4, &columns - 2, 3, 2],
	\       ['eeee', 5, &columns - 3,    5, &columns - 3, 4, 1],
	\   ],
	\ },
	\ #{
	\   comment: 'left aligned without wrapping',
	\   options: #{
	\     wrap: 0,
	\     pos: 'botleft',
	\   },
	\   tests: both_wrap_tests + [
	\       ['aaaa', 5, &columns,        5, &columns - 3, 4, 1],
	\       ['bbbb', 5, &columns + 1,    5, &columns - 3, 4, 1],
	\       ['cccc', 5, &columns - 1,    5, &columns - 3, 4, 1],
	\       ['dddd', 5, &columns - 2,    5, &columns - 3, 4, 1],
	\       ['eeee', 5, &columns - 3,    5, &columns - 3, 4, 1],
	\   ],
	\ },
	\ #{
	\   comment: 'left aligned with fixed position',
	\   options: #{
	\     wrap: 0,
	\     fixed: 1,
	\     pos: 'botleft',
	\   },
	\   tests: both_wrap_tests + [
	\       ['aaaa', 5, &columns,        5, &columns - 2, 3, 1],
	\       ['bbbb', 5, &columns + 1,    5, &columns - 2, 3, 1],
	\       ['cccc', 5, &columns - 1,    5, &columns - 2, 3, 1],
	\       ['dddd', 5, &columns - 2,    5, &columns - 2, 3, 1],
	\       ['eeee', 5, &columns - 3,    5, &columns - 3, 4, 1],
	\   ],
	\ },
	\ ]

  for test_group in tests
    for test in test_group.tests
      let [ text, line, col, e_line, e_col, e_width, e_height ] = test
      let options = #{
	    \ line: line,
	    \ col: col,
	    \ }
      call extend(options, test_group.options)

      let p = popup_create(text, options)

      let msg = string(extend(options, #{text: text}))
      call s:VerifyPosition(p, msg, e_line, e_col, e_width, e_height)
      call popup_close(p)
    endfor
  endfor

  call popup_clear()
  %bwipe!
endfunc

func Test_adjust_left_past_screen_width()
  " width of screen
  let X = join(map(range(&columns), {->'X'}), '')

  let p = popup_create(X, #{line: 1, col: 1, wrap: 0})
  call s:VerifyPosition(p, 'full width topleft', 1, 1, &columns, 1)

  redraw
  let line = join(map(range(1, &columns + 1), 'screenstring(1, v:val)'), '')
  call assert_equal(X, line)

  call popup_close(p)
  redraw

  " Same if placed on the right hand side
  let p = popup_create(X, #{line: 1, col: &columns, wrap: 0})
  call s:VerifyPosition(p, 'full width topright', 1, 1, &columns, 1)

  redraw
  let line = join(map(range(1, &columns + 1), 'screenstring(1, v:val)'), '')
  call assert_equal(X, line)

  call popup_close(p)
  redraw

  " Extend so > window width
  let X .= 'x'

  let p = popup_create(X, #{line: 1, col: 1, wrap: 0})
  call s:VerifyPosition(p, 'full width +  1 topleft', 1, 1, &columns, 1)

  redraw
  let line = join(map(range(1, &columns + 1), 'screenstring(1, v:val)'), '')
  call assert_equal(X[ : -2 ], line)

  call popup_close(p)
  redraw

  " Shifted then truncated (the x is not visible)
  let p = popup_create(X, #{line: 1, col: &columns - 3, wrap: 0})
  call s:VerifyPosition(p, 'full width + 1 topright', 1, 1, &columns, 1)

  redraw
  let line = join(map(range(1, &columns + 1), 'screenstring(1, v:val)'), '')
  call assert_equal(X[ : -2 ], line)

  call popup_close(p)
  redraw

  " Not shifted, just truncated
  let p = popup_create(X,
	\ #{line: 1, col: 2, wrap: 0, fixed: 1})
  call s:VerifyPosition(p, 'full width + 1 fixed', 1, 2, &columns - 1, 1)

  redraw
  let line = join(map(range(1, &columns + 1), 'screenstring(1, v:val)'), '')
  let e_line = ' ' . X[ 1 : -2 ]
  call assert_equal(e_line, line)

  call popup_close(p)
  redraw

  call popup_clear()
  %bwipe!
endfunc

func Test_popup_moved()
  new
  call test_override('char_avail', 1)
  call setline(1, ['one word to move around', 'a WORD.and->some thing'])

  exe "normal gg0/word\<CR>"
  let winid = popup_atcursor('text', #{moved: 'any'})
  redraw
  call assert_equal(1, popup_getpos(winid).visible)
  call assert_equal([1, 4, 4], popup_getoptions(winid).moved)
  " trigger the check for last_cursormoved by going into insert mode
  call feedkeys("li\<Esc>", 'xt')
  call assert_equal({}, popup_getpos(winid))
  call popup_clear()

  exe "normal gg0/word\<CR>"
  let winid = popup_atcursor('text', #{moved: 'word'})
  redraw
  call assert_equal(1, popup_getpos(winid).visible)
  call assert_equal([1, 4, 7], popup_getoptions(winid).moved)
  call feedkeys("hi\<Esc>", 'xt')
  call assert_equal({}, popup_getpos(winid))
  call popup_clear()

  exe "normal gg0/word\<CR>"
  let winid = popup_atcursor('text', #{moved: 'word'})
  redraw
  call assert_equal(1, popup_getpos(winid).visible)
  call assert_equal([1, 4, 7], popup_getoptions(winid).moved)
  call feedkeys("li\<Esc>", 'xt')
  call assert_equal(1, popup_getpos(winid).visible)
  call feedkeys("ei\<Esc>", 'xt')
  call assert_equal(1, popup_getpos(winid).visible)
  call feedkeys("eli\<Esc>", 'xt')
  call assert_equal({}, popup_getpos(winid))
  call popup_clear()

  " WORD is the default
  exe "normal gg0/WORD\<CR>"
  let winid = popup_atcursor('text', {})
  redraw
  call assert_equal(1, popup_getpos(winid).visible)
  call assert_equal([2, 2, 15], popup_getoptions(winid).moved)
  call feedkeys("eli\<Esc>", 'xt')
  call assert_equal(1, popup_getpos(winid).visible)
  call feedkeys("wi\<Esc>", 'xt')
  call assert_equal(1, popup_getpos(winid).visible)
  call feedkeys("Eli\<Esc>", 'xt')
  call assert_equal({}, popup_getpos(winid))
  call popup_clear()

  exe "normal gg0/word\<CR>"
  let winid = popup_atcursor('text', #{moved: [5, 10]})
  redraw
  call assert_equal(1, popup_getpos(winid).visible)
  call feedkeys("eli\<Esc>", 'xt')
  call feedkeys("ei\<Esc>", 'xt')
  call assert_equal(1, popup_getpos(winid).visible)
  call feedkeys("eli\<Esc>", 'xt')
  call assert_equal({}, popup_getpos(winid))
  call popup_clear()

  bwipe!
  call test_override('ALL', 0)
endfunc

func Test_notifications()
  CheckFeature timers
  CheckScreendump

  let lines =<< trim END
	call setline(1, range(1, 20))
	hi Notification ctermbg=lightblue
	call popup_notification('first notification', {})
  END
  call writefile(lines, 'XtestNotifications')
  let buf = RunVimInTerminal('-S XtestNotifications', #{rows: 10})
  call VerifyScreenDump(buf, 'Test_popupwin_notify_01', {})

  " second one goes below the first one
  call term_sendkeys(buf, ":hi link PopupNotification Notification\<CR>")
  call term_sendkeys(buf, ":call popup_notification('another important notification', {})\<CR>")
  call VerifyScreenDump(buf, 'Test_popupwin_notify_02', {})

  " clean up
  call StopVimInTerminal(buf)
  call delete('XtestNotifications')
endfunc

func Test_popup_scrollbar()
  CheckScreendump

  let lines =<< trim END
    call setline(1, range(1, 20))
    hi ScrollThumb ctermbg=blue
    hi ScrollBar ctermbg=red
    let winid = popup_create(['one', 'two', 'three', 'four', 'five',
	  \ 'six', 'seven', 'eight', 'nine'], #{
	  \ minwidth: 8,
	  \ maxheight: 4,
	  \ })
    func ScrollUp()
      call feedkeys("\<F3>\<ScrollWheelUp>", "xt")
    endfunc
    func ScrollDown()
      call feedkeys("\<F3>\<ScrollWheelDown>", "xt")
    endfunc
    func ClickTop()
      call feedkeys("\<F4>\<LeftMouse>", "xt")
    endfunc
    func ClickBot()
      call popup_setoptions(g:winid, #{border: [], close: 'button'})
      call feedkeys("\<F5>\<LeftMouse>", "xt")
    endfunc
    func Popup_filter(winid, key)
      if a:key == 'j'
	let line = popup_getoptions(a:winid).firstline
	let nlines = line('$', a:winid)
	let newline = line < nlines ? (line + 1) : nlines
	call popup_setoptions(a:winid, #{firstline: newline})
	return v:true
      elseif a:key == 'x'
	call popup_close(a:winid)
	return v:true
      endif
    endfunc

    func PopupScroll()
      call popup_clear()
      let text =<< trim END
	  1
	  2
	  3
	  4
	  long line long line long line long line long line long line
	  long line long line long line long line long line long line
	  long line long line long line long line long line long line
      END
      call popup_create(text, #{
	    \ minwidth: 30,
	    \ maxwidth: 30,
	    \ minheight: 4,
	    \ maxheight: 4,
	    \ firstline: 1,
	    \ lastline: 4,
	    \ wrap: v:true,
	    \ scrollbar: v:true,
	    \ mapping: v:false,
	    \ filter: funcref('Popup_filter')
	    \ })
    endfunc
    map <silent> <F3> :call test_setmouse(5, 36)<CR>
    map <silent> <F4> :call test_setmouse(4, 42)<CR>
    map <silent> <F5> :call test_setmouse(7, 42)<CR>
  END
  call writefile(lines, 'XtestPopupScroll')
  let buf = RunVimInTerminal('-S XtestPopupScroll', #{rows: 10})
  call VerifyScreenDump(buf, 'Test_popupwin_scroll_1', {})

  call term_sendkeys(buf, ":call popup_setoptions(winid, #{firstline: 2})\<CR>")
  call term_sendkeys(buf, ":\<CR>")
  call VerifyScreenDump(buf, 'Test_popupwin_scroll_2', {})

  call term_sendkeys(buf, ":call popup_setoptions(winid, #{firstline: 6})\<CR>")
  call term_sendkeys(buf, ":\<CR>")
  call VerifyScreenDump(buf, 'Test_popupwin_scroll_3', {})

  call term_sendkeys(buf, ":call popup_setoptions(winid, #{firstline: 9})\<CR>")
  call term_sendkeys(buf, ":\<CR>")
  call VerifyScreenDump(buf, 'Test_popupwin_scroll_4', {})

  call term_sendkeys(buf, ":call popup_setoptions(winid, #{scrollbarhighlight: 'ScrollBar', thumbhighlight: 'ScrollThumb', firstline: 5})\<CR>")
  " this scrolls two lines (half the window height)
  call term_sendkeys(buf, ":call ScrollUp()\<CR>")
  call VerifyScreenDump(buf, 'Test_popupwin_scroll_5', {})

  call term_sendkeys(buf, ":call ScrollDown()\<CR>")
  call VerifyScreenDump(buf, 'Test_popupwin_scroll_6', {})

  call term_sendkeys(buf, ":call ScrollDown()\<CR>")
  " wait a bit, otherwise it fails sometimes (double click recognized?)
  sleep 100m
  call term_sendkeys(buf, ":call ScrollDown()\<CR>")
  call VerifyScreenDump(buf, 'Test_popupwin_scroll_7', {})

  call term_sendkeys(buf, ":call ClickTop()\<CR>")
  sleep 100m
  call term_sendkeys(buf, ":call ClickTop()\<CR>")
  call VerifyScreenDump(buf, 'Test_popupwin_scroll_8', {})

  call term_sendkeys(buf, ":call ClickBot()\<CR>")
  call VerifyScreenDump(buf, 'Test_popupwin_scroll_9', {})

  " remove the minwidth and maxheight
  call term_sendkeys(buf, ":call popup_setoptions(winid, #{maxheight: 0, minwidth: 0})\<CR>")
  call term_sendkeys(buf, ":\<CR>")
  call VerifyScreenDump(buf, 'Test_popupwin_scroll_10', {})

  " check size with non-wrapping lines
  call term_sendkeys(buf, ":call PopupScroll()\<CR>")
  call VerifyScreenDump(buf, 'Test_popupwin_scroll_11', {})

  " check size with wrapping lines
  call term_sendkeys(buf, "j")
  call VerifyScreenDump(buf, 'Test_popupwin_scroll_12', {})
  call term_sendkeys(buf, "x")

  " clean up
  call StopVimInTerminal(buf)
  call delete('XtestPopupScroll')
endfunc

func Test_popup_fitting_scrollbar()
  " this was causing a crash, divide by zero
  let winid = popup_create([
	\ 'one', 'two', 'longer line that wraps', 'four', 'five'], #{
	\ scrollbar: 1,
	\ maxwidth: 10,
	\ maxheight: 5,
	\ firstline: 2})
  redraw
  call popup_clear()
endfunc

func Test_popup_settext()
  CheckScreendump

  let lines =<< trim END
    let opts = #{wrap: 0}
    let p = popup_create('test', opts)
    eval p->popup_settext('this is a text')
  END

  call writefile(lines, 'XtestPopupSetText')
  let buf = RunVimInTerminal('-S XtestPopupSetText', #{rows: 10})
  call VerifyScreenDump(buf, 'Test_popup_settext_01', {})

  " Setting to empty string clears it
  call term_sendkeys(buf, ":call popup_settext(p, '')\<CR>")
  call VerifyScreenDump(buf, 'Test_popup_settext_02', {})

  " Setting a list
  call term_sendkeys(buf, ":call popup_settext(p, ['a','b','c'])\<CR>")
  call VerifyScreenDump(buf, 'Test_popup_settext_03', {})

  " Shrinking with a list
  call term_sendkeys(buf, ":call popup_settext(p, ['a'])\<CR>")
  call VerifyScreenDump(buf, 'Test_popup_settext_04', {})

  " Growing with a list
  call term_sendkeys(buf, ":call popup_settext(p, ['a','b','c'])\<CR>")
  call VerifyScreenDump(buf, 'Test_popup_settext_03', {})

  " Empty list clears
  call term_sendkeys(buf, ":call popup_settext(p, [])\<CR>")
  call VerifyScreenDump(buf, 'Test_popup_settext_05', {})

  " Dicts
  call term_sendkeys(buf, ":call popup_settext(p, [#{text: 'aaaa'}, #{text: 'bbbb'}, #{text: 'cccc'}])\<CR>")
  call VerifyScreenDump(buf, 'Test_popup_settext_06', {})

  " clean up
  call StopVimInTerminal(buf)
  call delete('XtestPopupSetText')
endfunc

func Test_popup_hidden()
  new

  let winid = popup_atcursor('text', #{hidden: 1})
  redraw
  call assert_equal(0, popup_getpos(winid).visible)
  call popup_close(winid)

  let winid = popup_create('text', #{hidden: 1})
  redraw
  call assert_equal(0, popup_getpos(winid).visible)
  call popup_close(winid)

  func QuitCallback(id, res)
    let s:cb_winid = a:id
    let s:cb_res = a:res
  endfunc
  let winid = 'make a choice'->popup_dialog(#{hidden: 1,
	  \ filter: 'popup_filter_yesno',
	  \ callback: 'QuitCallback',
	  \ })
  redraw
  call assert_equal(0, popup_getpos(winid).visible)
  call assert_equal(function('popup_filter_yesno'), popup_getoptions(winid).filter)
  call assert_equal(function('QuitCallback'), popup_getoptions(winid).callback)
  exe "normal anot used by filter\<Esc>"
  call assert_equal('not used by filter', getline(1))

  call popup_show(winid)
  call feedkeys('y', "xt")
  call assert_equal(1, s:cb_res)

  bwipe!
  delfunc QuitCallback
endfunc

" Test options not checked elsewhere
func Test_set_get_options()
  let winid = popup_create('some text', #{highlight: 'Beautiful'})
  let options = popup_getoptions(winid)
  call assert_equal(1, options.wrap)
  call assert_equal(0, options.drag)
  call assert_equal('Beautiful', options.highlight)

  call popup_setoptions(winid, #{wrap: 0, drag: 1, highlight: 'Another'})
  let options = popup_getoptions(winid)
  call assert_equal(0, options.wrap)
  call assert_equal(1, options.drag)
  call assert_equal('Another', options.highlight)

  call popup_close(winid)
endfunc

func Test_popupwin_garbage_collect()
  func MyPopupFilter(x, winid, c)
    " NOP
  endfunc

  let winid = popup_create('something', #{filter: function('MyPopupFilter', [{}])})
  call test_garbagecollect_now()
  redraw
  " Must not crash caused by invalid memory access
  call feedkeys('j', 'xt')
  call assert_true(v:true)

  call popup_close(winid)
  delfunc MyPopupFilter
endfunc

func Test_popupwin_filter_mode()
  func MyPopupFilter(winid, c)
    let s:typed = a:c
    if a:c == ':' || a:c == "\r" || a:c == 'v'
      " can start cmdline mode, get out, and start/stop Visual mode
      return 0
    endif
    return 1
  endfunc

  " Normal, Visual and Insert mode
  let winid = popup_create('something', #{filter: 'MyPopupFilter', filtermode: 'nvi'})
  redraw
  call feedkeys('x', 'xt')
  call assert_equal('x', s:typed)

  call feedkeys(":let g:foo = 'foo'\<CR>", 'xt')
  call assert_equal(':', s:typed)
  call assert_equal('foo', g:foo)

  let @x = 'something'
  call feedkeys('v$"xy', 'xt')
  call assert_equal('y', s:typed)
  call assert_equal('something', @x)  " yank command is filtered out
  call feedkeys('v', 'xt')  " end Visual mode

  call popup_close(winid)

  " only Normal mode
  let winid = popup_create('something', #{filter: 'MyPopupFilter', filtermode: 'n'})
  redraw
  call feedkeys('x', 'xt')
  call assert_equal('x', s:typed)

  call feedkeys(":let g:foo = 'foo'\<CR>", 'xt')
  call assert_equal(':', s:typed)
  call assert_equal('foo', g:foo)

  let @x = 'something'
  call feedkeys('v$"xy', 'xt')
  call assert_equal('v', s:typed)
  call assert_notequal('something', @x)

  call popup_close(winid)

  " default: all modes
  let winid = popup_create('something', #{filter: 'MyPopupFilter'})
  redraw
  call feedkeys('x', 'xt')
  call assert_equal('x', s:typed)

  let g:foo = 'bar'
  call feedkeys(":let g:foo = 'foo'\<CR>", 'xt')
  call assert_equal("\r", s:typed)
  call assert_equal('bar', g:foo)

  let @x = 'something'
  call feedkeys('v$"xy', 'xt')
  call assert_equal('y', s:typed)
  call assert_equal('something', @x)  " yank command is filtered out
  call feedkeys('v', 'xt')  " end Visual mode

  call popup_close(winid)
  delfunc MyPopupFilter
endfunc

func Test_popupwin_with_buffer()
  call writefile(['some text', 'in a buffer'], 'XsomeFile')
  let buf = bufadd('XsomeFile')
  call assert_equal(0, bufloaded(buf))

  setlocal number
  call setbufvar(buf, "&wrapmargin", 13)

  let winid = popup_create(buf, {})
  call assert_notequal(0, winid)
  let pos = popup_getpos(winid)
  call assert_equal(2, pos.height)
  call assert_equal(1, bufloaded(buf))

  " window-local option is set to default, buffer-local is not
  call assert_equal(0, getwinvar(winid, '&number'))
  call assert_equal(13, getbufvar(buf, '&wrapmargin'))

  call popup_close(winid)
  call assert_equal({}, popup_getpos(winid))
  call assert_equal(1, bufloaded(buf))
  exe 'bwipe! ' .. buf
  setlocal nonumber

  edit test_popupwin.vim
  let winid = popup_create(bufnr(''), {})
  redraw
  call popup_close(winid)
  call delete('XsomeFile')
endfunc

func Test_popupwin_terminal_buffer()
  CheckFeature terminal

  let ptybuf = term_start(&shell, #{hidden: 1})
  call assert_fails('let winnr = popup_create(ptybuf, #{})', 'E278:')
  exe 'bwipe! ' .. ptybuf
endfunc

func Test_popupwin_with_buffer_and_filter()
  new Xwithfilter
  call setline(1, range(100))
  let bufnr = bufnr()
  hide

  func BufferFilter(win, key)
    if a:key == 'G'
      " recursive use of "G" does not cause problems.
      call win_execute(a:win, 'normal! G')
      return 1
    endif
    return 0
  endfunc

  let winid = popup_create(bufnr, #{maxheight: 5, filter: 'BufferFilter'})
  call assert_equal(1, popup_getpos(winid).firstline)
  redraw
  call feedkeys("G", 'xt')
  call assert_equal(99, popup_getpos(winid).firstline)

  call popup_close(winid)
  exe 'bwipe! ' .. bufnr
endfunc

func Test_popupwin_width()
  let winid = popup_create(repeat(['short', 'long long long line', 'medium width'], 50), #{
	\ maxwidth: 40,
	\ maxheight: 10,
	\ })
  for top in range(1, 20)
    eval winid->popup_setoptions(#{firstline: top})
    redraw
    call assert_equal(19, popup_getpos(winid).width)
  endfor
  call popup_clear()
endfunc

func Test_popupwin_buf_close()
  let buf = bufadd('Xtestbuf')
  call bufload(buf)
  call setbufline(buf, 1, ['just', 'some', 'lines'])
  let winid = popup_create(buf, {})
  redraw
  call assert_equal(3, popup_getpos(winid).height)
  let bufinfo = getbufinfo(buf)[0]
  call assert_equal(1, bufinfo.changed)
  call assert_equal(0, bufinfo.hidden)
  call assert_equal(0, bufinfo.listed)
  call assert_equal(1, bufinfo.loaded)
  call assert_equal([], bufinfo.windows)
  call assert_equal([winid], bufinfo.popups)

  call popup_close(winid)
  call assert_equal({}, popup_getpos(winid))
  let bufinfo = getbufinfo(buf)[0]
  call assert_equal(1, bufinfo.changed)
  call assert_equal(1, bufinfo.hidden)
  call assert_equal(0, bufinfo.listed)
  call assert_equal(1, bufinfo.loaded)
  call assert_equal([], bufinfo.windows)
  call assert_equal([], bufinfo.popups)
  exe 'bwipe! ' .. buf
endfunc

func Test_popup_menu_with_maxwidth()
  CheckScreendump

  let lines =<< trim END
	call setline(1, range(1, 10))
	hi ScrollThumb ctermbg=blue
	hi ScrollBar ctermbg=red
	func PopupMenu(lines, line, col, scrollbar = 0)
		return popup_menu(a:lines, #{
			\ maxwidth: 10,
			\ maxheight: 3,
			\ pos : 'topleft',
			\ col : a:col,
			\ line : a:line,
			\ scrollbar : a:scrollbar,
			\ })
	endfunc
	call PopupMenu(['x'], 1, 1)
	call PopupMenu(['123456789|'], 1, 16)
	call PopupMenu(['123456789|' .. ' '], 7, 1)
	call PopupMenu([repeat('123456789|', 100)], 7, 16)
	call PopupMenu(repeat(['123456789|' .. ' '], 5), 1, 33, 1)
  END
  call writefile(lines, 'XtestPopupMenuMaxWidth')
  let buf = RunVimInTerminal('-S XtestPopupMenuMaxWidth', #{rows: 13})
  call VerifyScreenDump(buf, 'Test_popupwin_menu_maxwidth_1', {})

  " close the menu popupwin.
  call term_sendkeys(buf, " ")
  call term_sendkeys(buf, " ")
  call term_sendkeys(buf, " ")
  call term_sendkeys(buf, " ")
  call term_sendkeys(buf, " ")

  " clean up
  call StopVimInTerminal(buf)
  call delete('XtestPopupMenuMaxWidth')
endfunc

func Test_popup_menu_with_scrollbar()
  CheckScreendump

  let lines =<< trim END
    call setline(1, range(1, 20))
    hi ScrollThumb ctermbg=blue
    hi ScrollBar ctermbg=red
    eval ['one', 'two', 'three', 'four', 'five',
	  \ 'six', 'seven', 'eight', 'nine']
	  \ ->popup_menu(#{
	  \ minwidth: 8,
	  \ maxheight: 3,
	  \ })
  END
  call writefile(lines, 'XtestPopupMenuScroll')
  let buf = RunVimInTerminal('-S XtestPopupMenuScroll', #{rows: 10})

  call term_sendkeys(buf, "j")
  call VerifyScreenDump(buf, 'Test_popupwin_menu_scroll_1', {})

  call term_sendkeys(buf, "jjj")
  call VerifyScreenDump(buf, 'Test_popupwin_menu_scroll_2', {})

  " if the cursor is the bottom line, it stays at the bottom line.
  call term_sendkeys(buf, repeat("j", 20))
  call VerifyScreenDump(buf, 'Test_popupwin_menu_scroll_3', {})

  call term_sendkeys(buf, "kk")
  call VerifyScreenDump(buf, 'Test_popupwin_menu_scroll_4', {})

  call term_sendkeys(buf, "k")
  call VerifyScreenDump(buf, 'Test_popupwin_menu_scroll_5', {})

  " if the cursor is in the top line, it stays in the top line.
  call term_sendkeys(buf, repeat("k", 20))
  call VerifyScreenDump(buf, 'Test_popupwin_menu_scroll_6', {})

  " close the menu popupwin.
  call term_sendkeys(buf, " ")

  " clean up
  call StopVimInTerminal(buf)
  call delete('XtestPopupMenuScroll')
endfunc

func Test_popup_menu_filter()
  CheckScreendump

  let lines =<< trim END
	function! MyFilter(winid, key) abort
	  if a:key == "0"
		call win_execute(a:winid, "call setpos('.', [0, 1, 1, 0])")
		return 1
	  endif
	  if a:key == "G"
		call win_execute(a:winid, "call setpos('.', [0, line('$'), 1, 0])")
		return 1
	  endif
	  if a:key == "j"
		call win_execute(a:winid, "call setpos('.', [0, line('.') + 1, 1, 0])")
		return 1
	  endif
	  if a:key == "k"
		call win_execute(a:winid, "call setpos('.', [0, line('.') - 1, 1, 0])")
		return 1
	  endif
	  if a:key == ':'
		call popup_close(a:winid)
		return 0
	  endif
	  return 0
	endfunction
	call popup_menu(['111', '222', '333', '444', '555', '666', '777', '888', '999'], #{
	  \ maxheight : 3,
	  \ filter : 'MyFilter'
	  \ })
  END
  call writefile(lines, 'XtestPopupMenuFilter')
  let buf = RunVimInTerminal('-S XtestPopupMenuFilter', #{rows: 10})

  call term_sendkeys(buf, "j")
  call VerifyScreenDump(buf, 'Test_popupwin_menu_filter_1', {})

  call term_sendkeys(buf, "k")
  call VerifyScreenDump(buf, 'Test_popupwin_menu_filter_2', {})

  call term_sendkeys(buf, "G")
  call VerifyScreenDump(buf, 'Test_popupwin_menu_filter_3', {})

  call term_sendkeys(buf, "0")
  call VerifyScreenDump(buf, 'Test_popupwin_menu_filter_4', {})

  " check that when the popup is closed in the filter the screen is redrawn
  call term_sendkeys(buf, ":")
  call VerifyScreenDump(buf, 'Test_popupwin_menu_filter_5', {})
  call term_sendkeys(buf, "\<CR>")

  " clean up
  call StopVimInTerminal(buf)
  call delete('XtestPopupMenuFilter')
endfunc

func Test_popup_cursorline()
  CheckScreendump

  let winid = popup_create('some text', {})
  call assert_equal(0, popup_getoptions(winid).cursorline)
  call popup_close(winid)

  let winid = popup_create('some text', #{ cursorline: 1, })
  call assert_equal(1, popup_getoptions(winid).cursorline)
  call popup_close(winid)

  let winid = popup_create('some text', #{ cursorline: 0, })
  call assert_equal(0, popup_getoptions(winid).cursorline)
  call popup_close(winid)

  let winid = popup_menu('some text', {})
  call assert_equal(1, popup_getoptions(winid).cursorline)
  call popup_close(winid)

  let winid = popup_menu('some text', #{ cursorline: 1, })
  call assert_equal(1, popup_getoptions(winid).cursorline)
  call popup_close(winid)

  let winid = popup_menu('some text', #{ cursorline: 0, })
  call assert_equal(0, popup_getoptions(winid).cursorline)
  call popup_close(winid)

  " ---------
  " Pattern 1
  " ---------
  let lines =<< trim END
	call popup_create(['111', '222', '333'], #{ cursorline : 0 })
  END
  call writefile(lines, 'XtestPopupCursorLine')
  let buf = RunVimInTerminal('-S XtestPopupCursorLine', #{rows: 10})
  call VerifyScreenDump(buf, 'Test_popupwin_cursorline_1', {})
  call term_sendkeys(buf, ":call popup_clear()\<cr>")
  call StopVimInTerminal(buf)

  " ---------
  " Pattern 2
  " ---------
  let lines =<< trim END
	call popup_create(['111', '222', '333'], #{ cursorline : 1 })
  END
  call writefile(lines, 'XtestPopupCursorLine')
  let buf = RunVimInTerminal('-S XtestPopupCursorLine', #{rows: 10})
  call VerifyScreenDump(buf, 'Test_popupwin_cursorline_2', {})
  call term_sendkeys(buf, ":call popup_clear()\<cr>")
  call StopVimInTerminal(buf)

  " ---------
  " Pattern 3
  " ---------
  let lines =<< trim END
	function! MyFilter(winid, key) abort
	  if a:key == "j"
		call win_execute(a:winid, "call setpos('.', [0, line('.') + 1, 1, 0]) | redraw")
		return 1
	  endif
	  if a:key == 'x'
		call popup_close(a:winid)
		return 1
	  endif
	  return 0
	endfunction
	call popup_menu(['111', '222', '333'], #{
	  \ cursorline : 0,
	  \ maxheight : 2,
	  \ filter : 'MyFilter',
	  \ })
  END
  call writefile(lines, 'XtestPopupCursorLine')
  let buf = RunVimInTerminal('-S XtestPopupCursorLine', #{rows: 10})
  call VerifyScreenDump(buf, 'Test_popupwin_cursorline_3', {})
  call term_sendkeys(buf, "j")
  call term_sendkeys(buf, "j")
  call VerifyScreenDump(buf, 'Test_popupwin_cursorline_4', {})
  call term_sendkeys(buf, "x")
  call StopVimInTerminal(buf)

  " ---------
  " Pattern 4
  " ---------
  let lines =<< trim END
	function! MyFilter(winid, key) abort
	  if a:key == "j"
		call win_execute(a:winid, "call setpos('.', [0, line('.') + 1, 1, 0]) | redraw")
		return 1
	  endif
	  if a:key == 'x'
		call popup_close(a:winid)
		return 1
	  endif
	  return 0
	endfunction
	call popup_menu(['111', '222', '333'], #{
	  \ cursorline : 1,
	  \ maxheight : 2,
	  \ filter : 'MyFilter',
	  \ })
  END
  call writefile(lines, 'XtestPopupCursorLine')
  let buf = RunVimInTerminal('-S XtestPopupCursorLine', #{rows: 10})
  call VerifyScreenDump(buf, 'Test_popupwin_cursorline_5', {})
  call term_sendkeys(buf, "j")
  call term_sendkeys(buf, "j")
  call VerifyScreenDump(buf, 'Test_popupwin_cursorline_6', {})
  call term_sendkeys(buf, "x")
  call StopVimInTerminal(buf)

  " ---------
  " Cursor in second line when creating the popup
  " ---------
  let lines =<< trim END
    let winid = popup_create(['111', '222', '333'], #{
	  \ cursorline : 1,
	  \ })
    call win_execute(winid, "2")
  END
  call writefile(lines, 'XtestPopupCursorLine')
  let buf = RunVimInTerminal('-S XtestPopupCursorLine', #{rows: 10})
  call VerifyScreenDump(buf, 'Test_popupwin_cursorline_7', {})
  call StopVimInTerminal(buf)

  call delete('XtestPopupCursorLine')
endfunc

func Test_previewpopup()
  CheckScreendump

  call writefile([
        \ "!_TAG_FILE_ENCODING\tutf-8\t//",
        \ "another\tXtagfile\t/^this is another",
        \ "theword\tXtagfile\t/^theword"],
        \ 'Xtags')
  call writefile(range(1,20)
        \ + ['theword is here']
        \ + range(22, 27)
        \ + ['this is another place']
        \ + range(29, 40),
        \ "Xtagfile")
  call writefile(range(1,10)
        \ + ['searched word is here']
        \ + range(12, 20),
        \ "Xheader.h")
  let lines =<< trim END
        set tags=Xtags
	call setline(1, [
	      \ 'one',
	      \ '#include "Xheader.h"',
	      \ 'three',
	      \ 'four',
	      \ 'five',
	      \ 'six',
	      \ 'seven',
	      \ 'find theword somewhere',
	      \ 'nine',
	      \ 'this is another word',
	      \ 'very long line where the word is also another'])
        set previewpopup=height:4,width:40
	set path=.
  END
  call writefile(lines, 'XtestPreviewPopup')
  let buf = RunVimInTerminal('-S XtestPreviewPopup', #{rows: 14})

  call term_sendkeys(buf, "/theword\<CR>\<C-W>}")
  call term_sendkeys(buf, ":\<CR>")
  call VerifyScreenDump(buf, 'Test_popupwin_previewpopup_1', {})

  call term_sendkeys(buf, "/another\<CR>\<C-W>}")
  call VerifyScreenDump(buf, 'Test_popupwin_previewpopup_2', {})

  call term_sendkeys(buf, ":call popup_move(popup_findpreview(), #{col: 15})\<CR>")
  call term_sendkeys(buf, ":\<CR>")
  call VerifyScreenDump(buf, 'Test_popupwin_previewpopup_3', {})

  call term_sendkeys(buf, "/another\<CR>\<C-W>}")
  call VerifyScreenDump(buf, 'Test_popupwin_previewpopup_4', {})

  call term_sendkeys(buf, ":cd ..\<CR>:\<CR>")
  call VerifyScreenDump(buf, 'Test_popupwin_previewpopup_5', {})
  call term_sendkeys(buf, ":cd testdir\<CR>")

  call term_sendkeys(buf, ":pclose\<CR>")
  call term_sendkeys(buf, ":\<BS>")
  call VerifyScreenDump(buf, 'Test_popupwin_previewpopup_6', {})

  call term_sendkeys(buf, ":pedit +/theword Xtagfile\<CR>")
  call term_sendkeys(buf, ":\<CR>")
  call VerifyScreenDump(buf, 'Test_popupwin_previewpopup_7', {})

  call term_sendkeys(buf, ":pclose\<CR>")
  call term_sendkeys(buf, ":psearch searched\<CR>")
  call term_sendkeys(buf, ":\<CR>")
  call VerifyScreenDump(buf, 'Test_popupwin_previewpopup_8', {})

  call StopVimInTerminal(buf)
  call delete('Xtags')
  call delete('Xtagfile')
  call delete('XtestPreviewPopup')
  call delete('Xheader.h')
endfunc

func Get_popupmenu_lines()
  let lines =<< trim END
      set completeopt+=preview,popup
      set completefunc=CompleteFuncDict
      hi InfoPopup ctermbg=yellow

      func CompleteFuncDict(findstart, base)
	if a:findstart
	  if col('.') > 10
	    return col('.') - 10
	  endif
	  return 0
	endif

	return {
		\ 'words': [
		  \ {
		    \ 'word': 'aword',
		    \ 'abbr': 'wrd',
		    \ 'menu': 'extra text',
		    \ 'info': 'words are cool',
		    \ 'kind': 'W',
		    \ 'user_data': 'test'
		  \ },
		  \ {
		    \ 'word': 'anotherword',
		    \ 'abbr': 'anotwrd',
		    \ 'menu': 'extra text',
		    \ 'info': "other words are\ncooler than this and some more text\nto make wrap",
		    \ 'kind': 'W',
		    \ 'user_data': 'notest'
		  \ },
		  \ {
		    \ 'word': 'noinfo',
		    \ 'abbr': 'noawrd',
		    \ 'menu': 'extra text',
		    \ 'info': "lets\nshow\na\nscrollbar\nhere",
		    \ 'kind': 'W',
		    \ 'user_data': 'notest'
		  \ },
		  \ {
		    \ 'word': 'thatword',
		    \ 'abbr': 'thatwrd',
		    \ 'menu': 'extra text',
		    \ 'info': 'that word is cool',
		    \ 'kind': 'W',
		    \ 'user_data': 'notest'
		  \ },
		\ ]
	      \ }
      endfunc
      call setline(1, 'text text text text text text text ')
      func ChangeColor()
	let id = popup_findinfo()
	eval id->popup_setoptions(#{highlight: 'InfoPopup'})
      endfunc

      func InfoHidden()
	set completepopup=height:4,border:off,align:menu
	set completeopt-=popup completeopt+=popuphidden
	au CompleteChanged * call HandleChange()
      endfunc

      let s:counter = 0
      func HandleChange()
	let s:counter += 1
	let selected = complete_info(['selected']).selected
	if selected <= 0
	  " First time: do nothing, info remains hidden
	  return
	endif
	if selected == 1
	  " Second time: show info right away
	  let id = popup_findinfo()
	  if id
	    call popup_settext(id, 'immediate info ' .. s:counter)
	    call popup_show(id)
	  endif
	else
	  " Third time: show info after a short delay
	  call timer_start(100, 'ShowInfo')
	endif
      endfunc

      func ShowInfo(...)
	let id = popup_findinfo()
	if id
	  call popup_settext(id, 'async info ' .. s:counter)
	  call popup_show(id)
	endif
      endfunc
  END
  return lines
endfunc

func Test_popupmenu_info_border()
  CheckScreendump

  let lines = Get_popupmenu_lines()
  call add(lines, 'set completepopup=height:4,highlight:InfoPopup')
  call writefile(lines, 'XtestInfoPopup')

  let buf = RunVimInTerminal('-S XtestInfoPopup', #{rows: 14})
  call term_wait(buf, 50)

  call term_sendkeys(buf, "A\<C-X>\<C-U>")
  call VerifyScreenDump(buf, 'Test_popupwin_infopopup_1', {})

  call term_sendkeys(buf, "\<C-N>")
  call VerifyScreenDump(buf, 'Test_popupwin_infopopup_2', {})

  call term_sendkeys(buf, "\<C-N>")
  call VerifyScreenDump(buf, 'Test_popupwin_infopopup_3', {})

  call term_sendkeys(buf, "\<C-N>\<C-N>")
  call VerifyScreenDump(buf, 'Test_popupwin_infopopup_4', {})

  " info on the left with scrollbar
  call term_sendkeys(buf, "test text test text\<C-X>\<C-U>")
  call term_sendkeys(buf, "\<C-N>\<C-N>")
  call VerifyScreenDump(buf, 'Test_popupwin_infopopup_5', {})

  call StopVimInTerminal(buf)
  call delete('XtestInfoPopup')
endfunc

func Test_popupmenu_info_noborder()
  CheckScreendump

  let lines = Get_popupmenu_lines()
  call add(lines, 'set completepopup=height:4,border:off')
  call writefile(lines, 'XtestInfoPopupNb')

  let buf = RunVimInTerminal('-S XtestInfoPopupNb', #{rows: 14})
  call term_wait(buf, 50)

  call term_sendkeys(buf, "A\<C-X>\<C-U>")
  call VerifyScreenDump(buf, 'Test_popupwin_infopopup_nb_1', {})

  call StopVimInTerminal(buf)
  call delete('XtestInfoPopupNb')
endfunc

func Test_popupmenu_info_align_menu()
  CheckScreendump

  let lines = Get_popupmenu_lines()
  call add(lines, 'set completepopup=height:4,border:off,align:menu')
  call writefile(lines, 'XtestInfoPopupNb')

  let buf = RunVimInTerminal('-S XtestInfoPopupNb', #{rows: 14})
  call term_wait(buf, 50)

  call term_sendkeys(buf, "A\<C-X>\<C-U>")
  call term_sendkeys(buf, "\<C-N>")
  call term_sendkeys(buf, "\<C-N>")
  call term_sendkeys(buf, "\<C-N>")
  call VerifyScreenDump(buf, 'Test_popupwin_infopopup_align_1', {})

  call term_sendkeys(buf, "test text test text test\<C-X>\<C-U>")
  call term_sendkeys(buf, "\<C-N>")
  call VerifyScreenDump(buf, 'Test_popupwin_infopopup_align_2', {})

  call term_sendkeys(buf, "\<Esc>")
  call term_sendkeys(buf, ":call ChangeColor()\<CR>")
  call term_sendkeys(buf, ":call setline(2, ['x']->repeat(10))\<CR>")
  call term_sendkeys(buf, "Gotest text test text\<C-X>\<C-U>")
  call VerifyScreenDump(buf, 'Test_popupwin_infopopup_align_3', {})

  call StopVimInTerminal(buf)
  call delete('XtestInfoPopupNb')
endfunc

func Test_popupmenu_info_hidden()
  CheckScreendump

  let lines = Get_popupmenu_lines()
  call add(lines, 'call InfoHidden()')
  call writefile(lines, 'XtestInfoPopupHidden')

  let buf = RunVimInTerminal('-S XtestInfoPopupHidden', #{rows: 14})
  call term_wait(buf, 50)

  call term_sendkeys(buf, "A\<C-X>\<C-U>")
  call VerifyScreenDump(buf, 'Test_popupwin_infopopup_hidden_1', {})

  call term_sendkeys(buf, "\<C-N>")
  call VerifyScreenDump(buf, 'Test_popupwin_infopopup_hidden_2', {})

  call term_sendkeys(buf, "\<C-N>")
  call VerifyScreenDump(buf, 'Test_popupwin_infopopup_hidden_3', {})

  call term_sendkeys(buf, "\<Esc>")
  call StopVimInTerminal(buf)
  call delete('XtestInfoPopupHidden')
endfunc

func Test_popupwin_recycle_bnr()
  let bufnr = popup_notification('nothing wrong', {})->winbufnr()
  call popup_clear()
  let winid = 'nothing wrong'->popup_notification({})
  call assert_equal(bufnr, winbufnr(winid))
  call popup_clear()
endfunc

func Test_popupwin_getoptions_tablocal()
  topleft split
  let win1 = popup_create('nothing', #{maxheight: 8})
  let win2 = popup_create('something', #{maxheight: 10})
  let win3 = popup_create('something', #{maxheight: 15})
  call assert_equal(8, popup_getoptions(win1).maxheight)
  call assert_equal(10, popup_getoptions(win2).maxheight)
  call assert_equal(15, popup_getoptions(win3).maxheight)
  call popup_clear()
  quit
endfunc

func Test_popupwin_cancel()
  let win1 = popup_create('one', #{line: 5, filter: {... -> 0}})
  let win2 = popup_create('two', #{line: 10, filter: {... -> 0}})
  let win3 = popup_create('three', #{line: 15, filter: {... -> 0}})
  call assert_equal(5, popup_getpos(win1).line)
  call assert_equal(10, popup_getpos(win2).line)
  call assert_equal(15, popup_getpos(win3).line)
  " TODO: this also works without patch 8.1.2110
  call feedkeys("\<C-C>", 'xt')
  call assert_equal(5, popup_getpos(win1).line)
  call assert_equal(10, popup_getpos(win2).line)
  call assert_equal({}, popup_getpos(win3))
  call feedkeys("\<C-C>", 'xt')
  call assert_equal(5, popup_getpos(win1).line)
  call assert_equal({}, popup_getpos(win2))
  call assert_equal({}, popup_getpos(win3))
  call feedkeys("\<C-C>", 'xt')
  call assert_equal({}, popup_getpos(win1))
  call assert_equal({}, popup_getpos(win2))
  call assert_equal({}, popup_getpos(win3))
endfunc

" vim: shiftwidth=2 sts=2