jdk8-mips64-public/nashorn: test/script/basic/NASHORN-437.js@1df40fe54cd6

     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  * NASHORN-437 : Array.prototype.map should return an array whose length should be same as input array length

    26  *

    27  * @test

    28  * @run

    29  */

    31 var callbackCount = 0;

    33 function func(kVal, k, arr) {

    34     arr.length = 2;

    35     callbackCount++;

    36     return 42;

    37 }

    39 var arr = [ 1, 2, 3, 4];

    40 var res = arr.map(func);

    41 if (res.length !== 4) {

    42    fail("map's result does not have 4 elements");

    43 }

    45 if (callbackCount !== 2) {

    46     fail("callback should be called only twice");

    47 }

    49 if (res[2] !== undefined || res[3] !== undefined) {

    50     fail("last two elements are not undefined");

    51 }

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