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local t = require('test.testutil')
local n = require('test.functional.testnvim')()
local source, clear = n.source, n.clear
local eq, api = t.eq, n.api
describe('undolevel', function()
setup(clear)
it('is working', function()
source([[
func FillBuffer()
for i in range(1,13)
put=i
" Set 'undolevels' to split undo.
exe "setg ul=" . &g:ul
endfor
endfunc
func Test_global_local_undolevels()
new one
set undolevels=5
call FillBuffer()
" will only undo the last 5 changes, end up with 13 - (5 + 1) = 7 lines
earlier 10
call assert_equal(5, &g:undolevels)
call assert_equal(-123456, &l:undolevels)
call assert_equal('7', getline('$'))
new two
setlocal undolevels=2
call FillBuffer()
" will only undo the last 2 changes, end up with 13 - (2 + 1) = 10 lines
earlier 10
call assert_equal(5, &g:undolevels)
call assert_equal(2, &l:undolevels)
call assert_equal('10', getline('$'))
setlocal ul=10
call assert_equal(5, &g:undolevels)
call assert_equal(10, &l:undolevels)
" Setting local value in "two" must not change local value in "one"
wincmd p
call assert_equal(5, &g:undolevels)
call assert_equal(-123456, &l:undolevels)
new three
setglobal ul=50
call assert_equal(50, &g:undolevels)
call assert_equal(-123456, &l:undolevels)
" Drop created windows
set ul&
new
only!
endfunc
call Test_global_local_undolevels()
]])
eq({}, api.nvim_get_vvar('errors'))
end)
end)
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