jdk8-mips64-public/nashorn: test/script/basic/extensibility.js@7cc5ff16380f

8026167: Class cache/reuse of 'eval' scripts results in ClassCastException in some cases.
Reviewed-by: lagergren, jlaskey

     1 /*

     2  * Copyright (c) 2010, 2013, 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  */

    24 /**

    25  * Basic checks for Object.preventExtensible.

    26  *

    27  * @test

    28  * @run

    29  */

    31 // after preventExtenssions, we can't add new properties but

    32 // can modifiy existing properties.

    33 var obj = { num: 45.0 };

    35 print("extensible? " + Object.isExtensible(obj));

    36 Object.preventExtensions(obj);

    37 print("extensible? " + Object.isExtensible(obj));

    39 obj['bar'] = "hello";

    40 print(obj.bar);

    41 obj.num = Math.PI;

    42 print(obj.num);

    44 obj.foo = 55;

    45 print(obj.foo);

    46 obj.num = Math.E;

    47 print(obj.num);

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