test/built-ins/Array/prototype/filter/15.4.4.20-9-c-i-6.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
es5id: 15.4.4.20-9-c-i-6
description: >
    Array.prototype.filter - element to be retrieved is own data
    property that overrides an inherited accessor property on an Array
---*/

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

Object.defineProperty(Array.prototype, "0", {
  get: function() {
    return 9;
  },
  configurable: true
});
var newArr = [11].filter(callbackfn);

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