js/src/tests/test262/built-ins/Array/prototype/indexOf/15.4.4.14-9-b-i-29.js


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37

// 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: >
    Array.prototype.indexOf - side-effects are visible in subsequent
    iterations on an Array-like object
---*/

var preIterVisible = false;
var obj = {
  length: 2
};

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

Object.defineProperty(obj, "1", {
  get: function() {
    if (preIterVisible) {
      return true;
    } else {
      return false;
    }
  },
  configurable: true
});

assert.sameValue(Array.prototype.indexOf.call(obj, true), 1, 'Array.prototype.indexOf.call(obj, true)');

reportCompare(0, 0);