summaryrefslogtreecommitdiffstats
path: root/js/src/tests/non262/Tuple/prototype/indexOf/fromIndex-object.js
blob: cb1d74ddf83e13eb369619fb5c771a61e305e0aa (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
// |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.

/*---
description: >
    Tuple.prototype.indexOf - value of 'fromIndex' is an Object, which
    has an own toString method
---*/

// objects inherit the default valueOf() method from Object
// that simply returns itself. Since the default valueOf() method
// does not return a primitive value, ES next tries to convert the object
// to a number by calling its toString() method and converting the
// resulting string to a number.
var fromIndex = {
  toString: function() {
    return '1';
  }
};

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

reportCompare(0, 0);