v8/test/mjsunit/strong/var-let-const.js
marja 34281c8322 [strong] Forbid var.
R=rossberg@chromium.org
BUG=

Review URL: https://codereview.chromium.org/927953003

Cr-Commit-Position: refs/heads/master@{#26697}
2015-02-17 15:41:25 +00:00

23 lines
690 B
JavaScript

// Copyright 2014 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --strong-mode
(function NoVar() {
assertThrows("'use strong'; var x = 0;", SyntaxError);
assertThrows("'use strong'; for(var i = 0; i < 10; ++i) { };", SyntaxError);
})();
(function LetIsOkay() {
assertTrue(eval("'use strong'; let x = 0; x === 0;"));
assertTrue(eval("'use strong'; for(let i = 0; i < 10; ++i) { } 0 === 0;"));
})();
(function ConstIsOkay() {
assertTrue(eval("'use strong'; const x = 0; x === 0;"));
assertTrue(eval("'use strong'; for(const i = 0; false;) { } 0 === 0;"));
})();