Mercurial > vim
diff src/testdir/test_const.vim @ 21847:fb74a3387694 v8.2.1473
patch 8.2.1473: items in a list given to :const can still be modified
Commit: https://github.com/vim/vim/commit/021bda56710d98c09a6b35610a476ab2dd8c58ad
Author: Bram Moolenaar <Bram@vim.org>
Date: Mon Aug 17 21:07:22 2020 +0200
patch 8.2.1473: items in a list given to :const can still be modified
Problem: Items in a list given to :const can still be modified.
Solution: Work like ":lockvar! name" but don't lock referenced items.
Make locking a blob work.
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Mon, 17 Aug 2020 21:15:03 +0200 |
| parents | 4a4678d26822 |
| children | ff21e2962490 |
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--- a/src/testdir/test_const.vim +++ b/src/testdir/test_const.vim @@ -273,20 +273,35 @@ func Test_const_with_eval_name() call assert_fails('const {s2} = "bar"', 'E995:') endfunc -func Test_lock_depth_is_1() - const l = [1, 2, 3] - const d = {'foo': 10} - - " Modify list - setting item is OK, adding/removing items not - let l[0] = 42 +func Test_lock_depth_is_2() + " Modify list - error when changing item or adding/removing items + const l = [1, 2, [3, 4]] + call assert_fails('let l[0] = 42', 'E741:') + call assert_fails('let l[2][0] = 42', 'E741:') call assert_fails('call add(l, 4)', 'E741:') call assert_fails('unlet l[1]', 'E741:') - " Modify dict - changing item is OK, adding/removing items not - let d['foo'] = 'hello' - let d.foo = 44 + " Modify blob - error when changing + const b = 0z001122 + call assert_fails('let b[0] = 42', 'E741:') + + " Modify dict - error when changing item or adding/removing items + const d = {'foo': 10} + call assert_fails("let d['foo'] = 'hello'", 'E741:') + call assert_fails("let d.foo = 'hello'", 'E741:') call assert_fails("let d['bar'] = 'hello'", 'E741:') call assert_fails("unlet d['foo']", 'E741:') + + " Modifying list or dict item contents is OK. + let lvar = ['a', 'b'] + let bvar = 0z1122 + const l2 = [0, lvar, bvar] + let l2[1][0] = 'c' + let l2[2][1] = 0x33 + call assert_equal([0, ['c', 'b'], 0z1133], l2) + + const d2 = #{a: 0, b: lvar, c: 4} + let d2.b[1] = 'd' endfunc " vim: shiftwidth=2 sts=2 expandtab