es6.js revision 1508:a661018d34b8 
1/*
2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24/**
25 * Make sure ECMAScript 6 features are not available in ES5 mode.
26 *
27 * @test
28 * @run
29 */
30
31if (typeof Symbol !== 'undefined' || 'Symbol' in this) {
32    Assert.fail('Symbol is defined in global scope');
33}
34
35if (typeof Object.getOwnPropertySymbols !== 'undefined' || 'getOwnPropertySymbols' in Object) {
36    Assert.fail('getOwnPropertySymbols is defined in global Object');
37}
38
39function expectError(src, msg, error) {
40    try {
41        eval(src);
42        Assert.fail(msg);
43    } catch (e) {
44        if (e.name !== error) {
45            Assert.fail('Unexpected error: ' + e);
46        }
47    }
48}
49
50expectError('let i = 0', 'let', 'SyntaxError');
51expectError('const i = 0', 'const', 'SyntaxError');
52expectError('for (let i = 0; i < 10; i++) print(i)', 'for-let', 'SyntaxError');
53expectError('0b0', 'numeric literal', 'SyntaxError');
54expectError('0o0', 'numeric litera', 'SyntaxError');
55expectError('`text`', 'template literal', 'SyntaxError');
56expectError('`${ x }`', 'template literal', 'SyntaxError');
57expectError('`text ${ x } text`', 'template literal', 'SyntaxError');
58expectError('f`text`', 'template literal', 'SyntaxError');
59