js/src/tests/test262/built-ins/Array/prototype/some/15.4.4.17-7-c-i-22.js


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25

// Copyright (c) 2012 Ecma International.  All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
esid: sec-array.prototype.some
description: >
    Array.prototype.some - element to be retrieved is inherited
    accessor property without a get function on an Array
---*/

function callbackfn(val, idx, obj) {
  if (idx === 0) {
    return typeof val === "undefined";
  }
  return false;
}

Object.defineProperty(Array.prototype, "0", {
  set: function() {},
  configurable: true
});

assert([, ].some(callbackfn), '[, ].some(callbackfn) !== true');

reportCompare(0, 0);