Mercurial > vim
diff src/testdir/test_vim9_builtin.vim @ 30576:72e6073a2822 v9.0.0623
patch 9.0.0623: error for modifying a const is not detected at compile time
Commit: https://github.com/vim/vim/commit/fa1039760e8c1a0c7a2a722160bd3d71a4736e61
Author: Bram Moolenaar <Bram@vim.org>
Date: Thu Sep 29 19:14:42 2022 +0100
patch 9.0.0623: error for modifying a const is not detected at compile time
Problem: Error for modifying a const is not detected at compile time.
Solution: Add TTFLAG_CONST and check for it in add() and extend().
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Thu, 29 Sep 2022 20:15:05 +0200 |
| parents | b4c9540577cf |
| children | ee039a6049ff |
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--- a/src/testdir/test_vim9_builtin.vim +++ b/src/testdir/test_vim9_builtin.vim @@ -184,6 +184,21 @@ def Test_add_list() v9.CheckScriptFailure(lines, 'E1012: Type mismatch; expected string but got number', 3) enddef +def Test_add_const() + var lines =<< trim END + const l = [1, 2] + add(l, 3) + END + v9.CheckDefFailure(lines, 'E1307: Argument 1: Trying to modify a const list<number>') + + lines =<< trim END + const b = 0z0102 + add(b, 0z03) + END + v9.CheckDefFailure(lines, 'E1307: Argument 1: Trying to modify a const blob') +enddef + + def Test_and() v9.CheckDefAndScriptFailure(['and("x", 0x2)'], ['E1013: Argument 1: type mismatch, expected number but got string', 'E1210: Number required for argument 1']) v9.CheckDefAndScriptFailure(['and(0x1, "x")'], ['E1013: Argument 2: type mismatch, expected number but got string', 'E1210: Number required for argument 2']) @@ -1181,6 +1196,29 @@ def Test_extend_with_error_function() v9.CheckScriptFailure(lines, 'E1001: Variable not found: m') enddef +def Test_extend_const() + var lines =<< trim END + const l = [1, 2] + extend(l, [3]) + END + v9.CheckDefFailure(lines, 'E1307: Argument 1: Trying to modify a const list<number>') + + lines =<< trim END + const d = {a: 1, b: 2} + extend(d, {c: 3}) + END + v9.CheckDefFailure(lines, 'E1307: Argument 1: Trying to modify a const dict<number>') + + # item in a for loop is const + lines =<< trim END + var l: list<dict<any>> = [{n: 1}] + for item in l + item->extend({x: 2}) + endfor + END + v9.CheckDefFailure(lines, 'E1307: Argument 1: Trying to modify a const dict<any>') +enddef + def Test_extendnew() assert_equal([1, 2, 'a'], extendnew([1, 2], ['a'])) assert_equal({one: 1, two: 'a'}, extendnew({one: 1}, {two: 'a'}))