test/script/basic/NASHORN-182.js

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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 */
23
24 /**
25 * NASHORN-182 : Array.prototype.reduce does not exit early when a getter function throws error.
26 *
27 * @test
28 * @run
29 */
30
31 function callback(prev, cur, idx, obj) {
32 fail("callback with " + idx);
33 }
34
35 // array-like object
36 var obj = { 1: 1, 2: 2, length: 3 };
37
38 Object.defineProperty(obj, "0", {
39 get: function () {
40 throw new RangeError("exception from getter for '0'");
41 },
42 });
43
44 obj.reduce = Array.prototype.reduce;
45
46 try {
47 obj.reduce(callback);
48 fail("should have thrown RangeError");
49 } catch (ex) {
50 if (! (ex instanceof RangeError)) {
51 fail("RangeException expected, got " + ex);
52 }
53 }
54

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