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" Test for v:hlsearch
function! Test_hlsearch()
new
call setline(1, repeat(['aaa'], 10))
set hlsearch nolazyredraw
let r=[]
" redraw is needed to make hlsearch highlight the matches
exe "normal! /aaa\<CR>" | redraw
let r1 = screenattr(1, 1)
nohlsearch | redraw
call assert_notequal(r1, screenattr(1,1))
let v:hlsearch=1 | redraw
call assert_equal(r1, screenattr(1,1))
let v:hlsearch=0 | redraw
call assert_notequal(r1, screenattr(1,1))
set hlsearch | redraw
call assert_equal(r1, screenattr(1,1))
let v:hlsearch=0 | redraw
call assert_notequal(r1, screenattr(1,1))
exe "normal! n" | redraw
call assert_equal(r1, screenattr(1,1))
let v:hlsearch=0 | redraw
call assert_notequal(r1, screenattr(1,1))
exe "normal! /\<CR>" | redraw
call assert_equal(r1, screenattr(1,1))
set nohls
exe "normal! /\<CR>" | redraw
call assert_notequal(r1, screenattr(1,1))
call assert_fails('let v:hlsearch=[]', 'E745')
call garbagecollect(1)
call getchar(1)
enew!
endfunction
func Test_hlsearch_hangs()
if !has('reltime') || !has('float')
return
endif
" This pattern takes a long time to match, it should timeout.
new
call setline(1, ['aaa', repeat('abc ', 1000), 'ccc'])
let start = reltime()
set hlsearch nolazyredraw redrawtime=101
let @/ = '\%#=1a*.*X\@<=b*'
redraw
let elapsed = reltimefloat(reltime(start))
call assert_true(elapsed > 0.1)
call assert_true(elapsed < 1.0)
set nohlsearch redrawtime&
bwipe!
endfunc
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