jdk8-mips64-public/nashorn: test/script/basic/JDK-8022598.js@f2e1673db03b

8022598: Object.getPrototypeOf should return null for host objects rather than throwing TypeError
Reviewed-by: lagergren, jlaskey, attila, hannesw

     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  * JDK-8022598: Object.getPrototypeOf should return null for host objects rather than throwing TypeError

    26  *

    27  * @test

    28  * @run

    29  */

    31 // the following should not throw TypeError, just return null instead

    33 var proto = Object.getPrototypeOf(new java.lang.Object());

    34 if (proto !== null) {

    35     fail("Expected 'null' __proto__ for host objects");

    36 }

    38 // on primitive should result in TypeError

    40 function checkTypeError(obj) {

    41     try {

    42         Object.getPrototypeOf(obj);

    43         fail("Expected TypeError for Object.getPrototypeOf on " + obj);

    44     } catch (e) {

    45         if (! (e instanceof TypeError)) {

    46             fail("Expected TypeError, but got " + e);

    47         }

    48     }

    49 }

    51 checkTypeError(undefined);

    52 checkTypeError(null);

    53 checkTypeError(3.1415);

    54 checkTypeError("hello");

    55 checkTypeError(false);

    56 checkTypeError(true);

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