fromIndex-inherited-valueOf.js

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// |reftest| skip-if(!this.hasOwnProperty("Tuple"))

// 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.indexof

description: >

    Tuple.prototype.indexOf uses inherited valueOf method when value

    of 'fromIndex' is an object with an own toString and inherited

    valueOf methods

---*/

var toStringAccessed = false;

var valueOfAccessed = false;

var proto = {

  valueOf: function() {

    valueOfAccessed = true;

    return 1;

};

var Con = function() {};

Con.prototype = proto;

var child = new Con();

child.toString = function() {

  toStringAccessed = true;

  return 2;

};

assertEq(#[0, true].indexOf(true, child), 1, '[0, true].indexOf(true, child)');

assertEq(valueOfAccessed, true);

assertEq(toStringAccessed, false, 'toStringAccessed');

reportCompare(0, 0);