Mercurial > jdk8-mips64-public > nashorn / annotate
test/script/basic/extensibility.js@afbc625eaca7 (annotated)
test/script/basic/extensibility.js
Sat, 07 Nov 2020 10:30:02 +0800
- author
- aoqi
- date
- Sat, 07 Nov 2020 10:30:02 +0800
- changeset 2605
- afbc625eaca7
- parent 1205
- 4112748288bb
- permissions
- -rw-r--r--
Added tag mips-jdk8u275-b01 for changeset 7c756d901f9a
| aoqi@0 | 1 | /* |
| aoqi@0 | 2 | * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved. |
| aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| attila@962 | 4 | * |
| aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
| aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| aoqi@0 | 7 | * published by the Free Software Foundation. |
| attila@962 | 8 | * |
| aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| aoqi@0 | 13 | * accompanied this code). |
| attila@962 | 14 | * |
| aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
| aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| attila@962 | 18 | * |
| aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
| aoqi@0 | 21 | * questions. |
| aoqi@0 | 22 | */ |
| aoqi@0 | 23 | |
| aoqi@0 | 24 | /** |
| aoqi@0 | 25 | * Basic checks for Object.preventExtensible. |
| aoqi@0 | 26 | * |
| aoqi@0 | 27 | * @test |
| aoqi@0 | 28 | * @run |
| aoqi@0 | 29 | */ |
| aoqi@0 | 30 | |
| aoqi@0 | 31 | // after preventExtenssions, we can't add new properties but |
| aoqi@0 | 32 | // can modifiy existing properties. |
| aoqi@0 | 33 | var obj = { num: 45.0 }; |
| aoqi@0 | 34 | |
| aoqi@0 | 35 | print("extensible? " + Object.isExtensible(obj)); |
| aoqi@0 | 36 | Object.preventExtensions(obj); |
| aoqi@0 | 37 | print("extensible? " + Object.isExtensible(obj)); |
| aoqi@0 | 38 | |
| aoqi@0 | 39 | obj['bar'] = "hello"; |
| aoqi@0 | 40 | print(obj.bar); |
| aoqi@0 | 41 | obj.num = Math.PI; |
| aoqi@0 | 42 | print(obj.num); |
| aoqi@0 | 43 | |
| aoqi@0 | 44 | obj.foo = 55; |
| aoqi@0 | 45 | print(obj.foo); |
| aoqi@0 | 46 | obj.num = Math.E; |
| aoqi@0 | 47 | print(obj.num); |
