/
test_tabline.vim
150 lines (128 loc) · 3.21 KB
/
test_tabline.vim
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" Test for tabline
source shared.vim
func TablineWithCaughtError()
let s:func_in_tabline_called = 1
try
call eval('unknown expression')
catch
endtry
return ''
endfunc
func TablineWithError()
let s:func_in_tabline_called = 1
call eval('unknown expression')
return ''
endfunc
func Test_caught_error_in_tabline()
if has('gui')
set guioptions-=e
endif
let showtabline_save = &showtabline
set showtabline=2
let s:func_in_tabline_called = 0
let tabline = '%{TablineWithCaughtError()}'
let &tabline = tabline
redraw!
call assert_true(s:func_in_tabline_called)
call assert_equal(tabline, &tabline)
set tabline=
let &showtabline = showtabline_save
endfunc
func Test_tabline_will_be_disabled_with_error()
if has('gui')
set guioptions-=e
endif
let showtabline_save = &showtabline
set showtabline=2
let s:func_in_tabline_called = 0
let tabline = '%{TablineWithError()}'
try
let &tabline = tabline
redraw!
catch
endtry
call assert_true(s:func_in_tabline_called)
call assert_equal('', &tabline)
set tabline=
let &showtabline = showtabline_save
endfunc
func Test_redrawtabline()
if has('gui')
set guioptions-=e
endif
let showtabline_save = &showtabline
set showtabline=2
set tabline=%{bufnr('$')}
edit Xtabline1
edit Xtabline2
redraw
call assert_match(bufnr('$') . '', Screenline(1))
au BufAdd * redrawtabline
badd Xtabline3
call assert_match(bufnr('$') . '', Screenline(1))
set tabline=
let &showtabline = showtabline_save
au! Bufadd
endfunc
" Test for the "%T" and "%X" flags in the 'tabline' option
func MyTabLine()
let s = ''
for i in range(tabpagenr('$'))
" set the tab page number (for mouse clicks)
let s .= '%' . (i + 1) . 'T'
" the label is made by MyTabLabel()
let s .= ' %{MyTabLabel(' . (i + 1) . ')} '
endfor
" after the last tab fill with TabLineFill and reset tab page nr
let s .= '%T'
" right-align the label to close the current tab page
if tabpagenr('$') > 1
let s .= '%=%Xclose'
endif
return s
endfunc
func MyTabLabel(n)
let buflist = tabpagebuflist(a:n)
let winnr = tabpagewinnr(a:n)
return bufname(buflist[winnr - 1])
endfunc
func Test_tabline_flags()
if has('gui')
set guioptions-=e
endif
set tabline=%!MyTabLine()
edit Xtabline1
tabnew Xtabline2
redrawtabline
call assert_match('^ Xtabline1 Xtabline2\s\+close$', Screenline(1))
set tabline=
%bw!
endfunc
function EmptyTabname()
return ""
endfunction
function MakeTabLine() abort
let titles = map(range(1, tabpagenr('$')), '"%( %" . v:val . "T%{EmptyTabname()}%T %)"')
let sep = 'あ'
let tabpages = join(titles, sep)
return tabpages .. sep .. '%=%999X X'
endfunction
func Test_tabline_empty_group()
" this was reading invalid memory
set tabline=%!MakeTabLine()
tabnew
redraw!
tabclose
set tabline=
endfunc
" When there are exactly 20 tabline format items (the exact size of the
" initial tabline items array), test that we don't write beyond the size
" of the array.
func Test_tabline_20_format_items_no_overrun()
set showtabline=2
let tabline = repeat('%#StatColorHi2#', 20)
let &tabline = tabline
redrawtabline
set showtabline& tabline&
endfunc
" vim: shiftwidth=2 sts=2 expandtab