js/src/tests/test262/built-ins/Array/prototype/filter/15.4.4.20-9-c-i-9.js


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// 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.filter
description: >
    Array.prototype.filter - element to be retrieved is own accessor
    property on an Array-like object
---*/

function callbackfn(val, idx, obj) {
  return (idx === 0) && (val === 11);
}

var obj = {
  10: 10,
  length: 20
};

Object.defineProperty(obj, "0", {
  get: function() {
    return 11;
  },
  configurable: true
});

var newArr = Array.prototype.filter.call(obj, callbackfn);

assert.sameValue(newArr.length, 1, 'newArr.length');
assert.sameValue(newArr[0], 11, 'newArr[0]');

reportCompare(0, 0);