js/src/tests/test262/built-ins/Array/prototype/reduce/15.4.4.21-8-b-ii-2.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.reduce
description: >
    Array.prototype.reduce - deleted properties in step 2 are visible
    here
---*/

var obj = {
  1: "accumulator",
  2: "another"
};

Object.defineProperty(obj, "length", {
  get: function() {
    delete obj[1];
    return 3;
  },
  configurable: true
});

assert.notSameValue(Array.prototype.reduce.call(obj, function() {}), "accumulator", 'Array.prototype.reduce.call(obj, function () { })');

reportCompare(0, 0);