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 date-format.js and date-format.cc so they have the same list of
41// properties.
42
43// First get supported properties.
44// Some of the properties are optional, so we request them.
45var properties = [];
46var options = Intl.DateTimeFormat(
47  'en-US', {weekday: 'short', era: 'short', year: 'numeric', month: 'short',
48            day: 'numeric', hour: 'numeric', minute: 'numeric',
49            second: 'numeric', timeZoneName: 'short'}).resolvedOptions();
50for (var prop in options) {
51  if (options.hasOwnProperty(prop)) {
52    properties.push(prop);
53  }
54}
55
56var expectedProperties = [
57  'calendar', 'day', 'era', 'hour12', 'hour', 'locale',
58  'minute', 'month', 'numberingSystem',
59  'second', 'timeZone', 'timeZoneName', 'weekday', 'year'
60];
61
62assertEquals(expectedProperties.length, properties.length);
63
64properties.forEach(function(prop) {
65  assertFalse(expectedProperties.indexOf(prop) === -1);
66});
67
68taintProperties(properties);
69
70var locale = Intl.DateTimeFormat().resolvedOptions().locale;
71