1// Copyright 2013 the V8 project authors. All rights reserved.
2// Redistribution and use in source and binary forms, with or without
3// modification, are permitted provided that the following conditions are
4// met:
5//
6//     * Redistributions of source code must retain the above copyright
7//       notice, this list of conditions and the following disclaimer.
8//     * Redistributions in binary form must reproduce the above
9//       copyright notice, this list of conditions and the following
10//       disclaimer in the documentation and/or other materials provided
11//       with the distribution.
12//     * Neither the name of Google Inc. nor the names of its
13//       contributors may be used to endorse or promote products derived
14//       from this software without specific prior written permission.
15//
16// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
28// Checks for security holes introduced by Object.property overrides.
29// For example:
30// Object.defineProperty(Array.prototype, 'locale', {
31//   set: function(value) {
32//     throw new Error('blah');
33//   },
34//   configurable: true,
35//   enumerable: false
36// });
37//
38// would throw in case of (JS) x.locale = 'us' or (C++) x->Set('locale', 'us').
39//
40// Update both number-format.js and number-format.cc so they have the same
41// list of properties.
42
43// First get supported properties.
44var properties = [];
45// Some properties are optional and won't show up in resolvedOptions if
46// they were not requested - currency, currencyDisplay,
47// minimumSignificantDigits and maximumSignificantDigits - so we request them.
48var options = Intl.NumberFormat(
49  undefined, {style: 'currency', currency: 'USD', currencyDisplay: 'name',
50              minimumSignificantDigits: 1, maximumSignificantDigits: 5}).
51    resolvedOptions();
52for (var prop in options) {
53  if (options.hasOwnProperty(prop)) {
54    properties.push(prop);
55  }
56}
57
58var expectedProperties = [
59  'style', 'locale', 'numberingSystem',
60  'currency', 'currencyDisplay', 'useGrouping',
61  'minimumIntegerDigits', 'minimumFractionDigits',
62  'maximumFractionDigits', 'minimumSignificantDigits',
63  'maximumSignificantDigits'
64];
65
66assertEquals(expectedProperties.length, properties.length);
67
68properties.forEach(function(prop) {
69  assertFalse(expectedProperties.indexOf(prop) === -1);
70});
71
72taintProperties(properties);
73
74var locale = Intl.NumberFormat(undefined,
75                               {currency: 'USD', currencyDisplay: 'name',
76                                minimumIntegerDigits: 2,
77                                numberingSystem: 'latn'}).
78    resolvedOptions().locale;
79