Mercurial > vim
diff src/testdir/test_user_func.vim @ 30065:6cf788ab844c v9.0.0370
patch 9.0.0370: cleaning up afterwards can make a function messy
Commit: https://github.com/vim/vim/commit/1d84f7608f1e41dad03b8cc7925895437775f7c0
Author: Bram Moolenaar <Bram@vim.org>
Date: Sat Sep 3 21:35:53 2022 +0100
patch 9.0.0370: cleaning up afterwards can make a function messy
Problem: Cleaning up afterwards can make a function messy.
Solution: Add the :defer command.
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Sat, 03 Sep 2022 22:45:03 +0200 |
| parents | f24d4826e6bf |
| children | 0352577f1ba5 |
line wrap: on
line diff
--- a/src/testdir/test_user_func.vim +++ b/src/testdir/test_user_func.vim @@ -529,4 +529,36 @@ func Test_funcdef_alloc_failure() bw! endfunc +func AddDefer(arg) + call extend(g:deferred, [a:arg]) +endfunc + +func WithDeferTwo() + call extend(g:deferred, ['in Two']) + for nr in range(3) + defer AddDefer('Two' .. nr) + endfor + call extend(g:deferred, ['end Two']) +endfunc + +func WithDeferOne() + call extend(g:deferred, ['in One']) + call writefile(['text'], 'Xfuncdefer') + defer delete('Xfuncdefer') + defer AddDefer('One') + call WithDeferTwo() + call extend(g:deferred, ['end One']) +endfunc + +func Test_defer() + let g:deferred = [] + call WithDeferOne() + + call assert_equal(['in One', 'in Two', 'end Two', 'Two2', 'Two1', 'Two0', 'end One', 'One'], g:deferred) + unlet g:deferred + + call assert_equal('', glob('Xfuncdefer')) +endfunc + + " vim: shiftwidth=2 sts=2 expandtab