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,
	\ 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)

  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,
	\ 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
	/666
	call matchadd('ErrorMsg', '111')
	call matchadd('ErrorMsg', '444')
	call win_execute(winid, "call matchadd('ErrorMsg', '111')")
	call win_execute(winid, "call matchadd('ErrorMsg', '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 25|r@
	let winid1 = popup_create(['First', 'SeconD'], #{
	      \ line: 'cursor+1',
	      \ col: 'cursor',
	      \ pos: 'topright',
	      \ border: [],
	      \ padding: [],
	      \ })
	normal 9G29|r%
	let winid1 = popup_create(['fiRSt', 'seCOnd'], #{
	      \ line: 'cursor-1',
	      \ col: 'cursor',
	      \ pos: 'botleft',
	      \ border: [],
	      \ padding: [],
	      \ })
	normal 51|r&
	let winid1 = popup_create(['FIrsT', 'SEcoND'], #{
	      \ line: 'cursor-1',
	      \ col: 'cursor',
	      \ pos: 'botright',
	      \ 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)

  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_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
    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', {})

  " 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()
  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
  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_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

" vim: shiftwidth=2 sts=2