Mercurial > vim
diff src/testdir/test_autocmd.vim @ 16217:81e6940504e8 v8.1.1113
patch 8.1.1113: making an autocommand trigger once is not so easy
commit https://github.com/vim/vim/commit/eb93f3f0e2b2ae65c5c3f55be3e62d64e3066f35
Author: Bram Moolenaar <Bram@vim.org>
Date: Thu Apr 4 15:04:56 2019 +0200
patch 8.1.1113: making an autocommand trigger once is not so easy
Problem: Making an autocommand trigger once is not so easy.
Solution: Add the ++once argument. Also add ++nested as an alias for
"nested". (Justin M. Keyes, closes #4100)
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Thu, 04 Apr 2019 15:15:05 +0200 |
| parents | a3e2e7948ee4 |
| children | 7a942d92980d |
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--- a/src/testdir/test_autocmd.vim +++ b/src/testdir/test_autocmd.vim @@ -1415,4 +1415,74 @@ func Test_Changed_FirstTime() bwipe! endfunc +func Test_autocmd_nested() + let g:did_nested = 0 + augroup Testing + au WinNew * edit somefile + au BufNew * let g:did_nested = 1 + augroup END + split + call assert_equal(0, g:did_nested) + close + bwipe! somefile + + " old nested argument still works + augroup Testing + au! + au WinNew * nested edit somefile + au BufNew * let g:did_nested = 1 + augroup END + split + call assert_equal(1, g:did_nested) + close + bwipe! somefile + + " New ++nested argument works + augroup Testing + au! + au WinNew * ++nested edit somefile + au BufNew * let g:did_nested = 1 + augroup END + split + call assert_equal(1, g:did_nested) + close + bwipe! somefile + + augroup Testing + au! + augroup END + + call assert_fails('au WinNew * ++nested ++nested echo bad', 'E983:') + call assert_fails('au WinNew * nested nested echo bad', 'E983:') +endfunc + +func Test_autocmd_once() + " Without ++once WinNew triggers twice + let g:did_split = 0 + augroup Testing + au WinNew * let g:did_split += 1 + augroup END + split + split + call assert_equal(2, g:did_split) + call assert_true(exists('#WinNew')) + close + close + + " With ++once WinNew triggers once + let g:did_split = 0 + augroup Testing + au! + au WinNew * ++once let g:did_split += 1 + augroup END + split + split + call assert_equal(1, g:did_split) + call assert_false(exists('#WinNew')) + close + close + + call assert_fails('au WinNew * ++once ++once echo bad', 'E983:') +endfunc + " FileChangedShell tested in test_filechanged.vim