" Tests for the getbufinfo(), getwininfo() and gettabinfo() functions

function Test_getbufwintabinfo()
  edit Xtestfile1
  edit Xtestfile2
  let buflist = getbufinfo()
  call assert_equal(2, len(buflist))
  call assert_match('Xtestfile1', buflist[0].name)
  call assert_match('Xtestfile2', getbufinfo('Xtestfile2')[0].name)
  call assert_equal([], getbufinfo(2016))
  edit Xtestfile1
  hide edit Xtestfile2
  hide enew
  call assert_equal(3, len(getbufinfo({'bufloaded':1})))

  set tabstop&vim
  let b:editor = 'vim'
  let l = getbufinfo('%')
  call assert_equal(bufnr('%'), l[0].bufnr)
  call assert_equal('vim', l[0].variables.editor)
  call assert_notequal(-1, index(l[0].windows, '%'->bufwinid()))

  let l = '%'->getbufinfo()
  call assert_equal(bufnr('%'), l[0].bufnr)

  " Test for getbufinfo() with 'bufmodified'
  call assert_equal(0, len(getbufinfo({'bufmodified' : 1})))
  call setbufline('Xtestfile1', 1, ["Line1"])
  let l = getbufinfo({'bufmodified' : 1})
  call assert_equal(1, len(l))
  call assert_equal(bufnr('Xtestfile1'), l[0].bufnr)

  if has('signs')
    call append(0, ['Linux', 'Windows', 'Mac'])
    sign define Mark text=>> texthl=Search
    exe "sign place 2 line=3 name=Mark buffer=" . bufnr('%')
    let l = getbufinfo('%')
    call assert_equal(2, l[0].signs[0].id)
    call assert_equal(3, l[0].signs[0].lnum)
    call assert_equal('Mark', l[0].signs[0].name)
    sign unplace *
    sign undefine Mark
    enew!
  endif

  only
  let w1_id = win_getid()
  setl foldcolumn=3
  new
  let w2_id = win_getid()
  tabnew | let w3_id = win_getid()
  new | let w4_id = win_getid()
  vert new | let w5_id = win_getid()
  eval 'green'->setwinvar(0, 'signal')
  tabfirst
  let winlist = getwininfo()
  call assert_equal(5, len(winlist))
  call assert_equal(winwidth(1), winlist[0].width)
  call assert_equal(1, winlist[0].wincol)
  " tabline adds one row in terminal, not in GUI
  let tablineheight = winlist[0].winrow == 2 ? 1 : 0
  call assert_equal(tablineheight + 1, winlist[0].winrow)

  call assert_equal(winbufnr(2), winlist[1].bufnr)
  call assert_equal(winheight(2), winlist[1].height)
  call assert_equal(1, winlist[1].wincol)
  call assert_equal(3, winlist[1].textoff)  " foldcolumn
  call assert_equal(tablineheight + winheight(1) + 2, winlist[1].winrow)

  call assert_equal(1, winlist[2].winnr)
  call assert_equal(tablineheight + 1, winlist[2].winrow)
  call assert_equal(1, winlist[2].wincol)

  call assert_equal(winlist[2].width + 2, winlist[3].wincol)
  call assert_equal(1, winlist[4].wincol)

  call assert_equal(1, winlist[0].tabnr)
  call assert_equal(1, winlist[1].tabnr)
  call assert_equal(2, winlist[2].tabnr)
  call assert_equal(2, winlist[3].tabnr)
  call assert_equal(2, winlist[4].tabnr)

  call assert_equal('green', winlist[2].variables.signal)
  call assert_equal(w4_id, winlist[3].winid)
  let winfo = w5_id->getwininfo()[0]
  call assert_equal(2, winfo.tabnr)
  call assert_equal([], getwininfo(3))

  call settabvar(1, 'space', 'build')
  let tablist = gettabinfo()
  call assert_equal(2, len(tablist))
  call assert_equal(3, len(tablist[1].windows))
  call assert_equal(2, tablist[1].tabnr)
  call assert_equal('build', tablist[0].variables.space)
  call assert_equal(w2_id, tablist[0].windows[0])
  call assert_equal([], 3->gettabinfo())

  tabonly | only

  lexpr ''
  lopen
  copen
  let winlist = getwininfo()
  call assert_false(winlist[0].quickfix)
  call assert_false(winlist[0].loclist)
  call assert_true(winlist[1].quickfix)
  call assert_true(winlist[1].loclist)
  call assert_true(winlist[2].quickfix)
  call assert_false(winlist[2].loclist)
  wincmd t | only
endfunction

function Test_get_buf_options()
  let opts = bufnr()->getbufvar('&')
  call assert_equal(v:t_dict, type(opts))
  call assert_equal(8, opts.tabstop)
endfunc

function Test_get_win_options()
  if has('folding')
    set foldlevel=999
  endif
  set list
  let opts = getwinvar(1, '&')
  call assert_equal(v:t_dict, type(opts))
  call assert_equal(0, opts.linebreak)
  call assert_equal(1, opts.list)
  if has('folding')
    call assert_equal(999, opts.foldlevel)
  endif
  if has('signs')
    call assert_equal('auto', opts.signcolumn)
  endif

  let opts = gettabwinvar(1, 1, '&')
  call assert_equal(v:t_dict, type(opts))
  call assert_equal(0, opts.linebreak)
  call assert_equal(1, opts.list)
  if has('signs')
    call assert_equal('auto', opts.signcolumn)
  endif
  set list&
  if has('folding')
    set foldlevel=0
  endif
endfunc

function Test_getbufinfo_lastused()
  new Xfoo
  let info = getbufinfo('Xfoo')[0]
  call assert_equal(has_key(info, 'lastused'), 1)
  call assert_equal(type(info.lastused), type(0))
endfunc

func Test_getbufinfo_lines()
  new Xfoo
  call setline(1, ['a', 'bc', 'd'])
  let bn = bufnr('%')
  hide
  call assert_equal(3, getbufinfo(bn)[0]["linecount"])
  edit Xfoo
  bw!
endfunc

func Test_getwininfo_au()
  enew
  call setline(1, range(1, 16))

  let g:info = #{}
  augroup T1
    au!
    au WinEnter * let g:info = getwininfo(win_getid())[0]
  augroup END

  4split
  " Check that calling getwininfo() from WinEnter returns fresh values for
  " topline and botline.
  call assert_equal(1, g:info.topline)
  call assert_equal(4, g:info.botline)
  close

  unlet g:info
  augroup! T1
  bwipe!
endfunc

" vim: shiftwidth=2 sts=2 expandtab