v8/test/mjsunit/strong/use-strong.js
conradw c983689d39 [strong] Implement static restrictions on direct eval
Does not entirely disallow the use of 'eval' as an identifier in strong mode,
as originally proposed.

BUG=v8:3956
LOG=N

Review URL: https://codereview.chromium.org/1059273004

Cr-Commit-Position: refs/heads/master@{#27796}
2015-04-13 17:25:15 +00:00

27 lines
1.3 KiB
JavaScript

// Copyright 2015 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 UseStrongScoping() {
assertThrows("'use strong'; 0 == 0", SyntaxError);
assertThrows("'use strong'; try {} catch(e) { { 0 == 0 } }", SyntaxError);
assertThrows("function f() { 'use strong'; 0 == 0 }", SyntaxError);
assertThrows("'use strong'; function f() { 0 == 0 }", SyntaxError);
assertThrows("'use strong'; function f() { function g() { 0 == 0 } }", SyntaxError);
assertTrue(eval("function f() { 'use strong' } 0 == 0"));
assertTrue(eval("eval('\\\'use strong\\\''); 0 == 0"));
})();
(function UseStrongMixed() {
assertThrows("'use strict'; 'use strong'; 0 == 0", SyntaxError);
assertThrows("'use strong'; 'use strict'; 0 == 0", SyntaxError);
assertThrows("'use strong'; 'use strong'; 0 == 0", SyntaxError);
assertThrows("'use strict'; function f() { 'use strong'; 0 == 0 }", SyntaxError);
assertThrows("'use strong'; function f() { 'use strict'; 0 == 0 }", SyntaxError);
assertTrue(eval("'use strict'; function f() { 'use strong' } 0 == 0"));
assertTrue(eval("var x; function f() { 'use strong' } delete x"));
assertThrows("'use strict'; var x; function f() { 'use strong' } delete x", SyntaxError);
})();