v8/test/mjsunit/strong/use-strong.js
Andreas Rossberg c503241945 [strong] deprecate empty sub-statements
R=marja@chromium.org
BUG=

Review URL: https://codereview.chromium.org/931223002

Cr-Commit-Position: refs/heads/master@{#26701}
2015-02-17 16:26:06 +00:00

28 lines
1.4 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);
assertThrows("'use strong'; eval('function f() { 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);
})();