Mercurial > vim
diff src/testdir/test_vim9_assign.vim @ 27148:6ed31017c303 v8.2.4103
patch 8.2.4103: Vim9: variable declared in for loop not initialzed
Commit: https://github.com/vim/vim/commit/38ecd9722664049d636f4fba759b3ebbfd34e97d
Author: Bram Moolenaar <Bram@vim.org>
Date: Sat Jan 15 21:44:44 2022 +0000
patch 8.2.4103: Vim9: variable declared in for loop not initialzed
Problem: Vim9: variable declared in for loop not initialzed.
Solution: Always initialze the variable. (closes https://github.com/vim/vim/issues/9535)
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Sat, 15 Jan 2022 22:45:03 +0100 |
| parents | 8796f1384750 |
| children | 4c1bdee75bed |
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--- a/src/testdir/test_vim9_assign.vim +++ b/src/testdir/test_vim9_assign.vim @@ -587,6 +587,41 @@ def Test_assign_index() CheckDefFailure(lines, 'E1012: Type mismatch; expected list<number> but got dict<unknown>', 2) enddef +def Test_init_in_for_loop() + var lines =<< trim END + var l: list<number> = [] + for i in [3, 4] + var n: number + add(l, n) + n = 123 + endfor + assert_equal([0, 0], l) + END + CheckDefAndScriptSuccess(lines) + + lines =<< trim END + var l: list<number> = [] + for i in [3, 4] + var n: number = 0 + add(l, n) + n = 123 + endfor + assert_equal([0, 0], l) + END + CheckDefAndScriptSuccess(lines) + + lines =<< trim END + var l: list<number> = [] + for i in [3, 4] + var n: number = 3 + add(l, n) + n = 123 + endfor + assert_equal([3, 3], l) + END + CheckDefAndScriptSuccess(lines) +enddef + def Test_extend_list() var lines =<< trim END var l1: list<number>