v8/test/intl/date-format/property-override-date-style.js
Frank Tang 25c11657fc [Intl] Clean up by removing the following flags
harmony_intl_bigint shipped in m76
  harmony_intl_date_format_range shipped in m76
  harmony_intl_datetime_style shipped in m76
  harmony_intl_numberformat_unified shipped in m77

Bug: v8:9272, v8:9273, v8:9274
Change-Id: Icc640e011021e691373bc61725013578b7185e50
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1799263
Commit-Queue: Frank Tang <ftang@chromium.org>
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Cr-Commit-Position: refs/heads/master@{#63736}
2019-09-12 22:25:41 +00:00

49 lines
1.3 KiB
JavaScript

// Copyright 2019 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Checks for security holes introduced by Object.property overrides.
// For example:
// Object.defineProperty(Array.prototype, 'locale', {
// set: function(value) {
// throw new Error('blah');
// },
// configurable: true,
// enumerable: false
// });
//
// would throw in case of (JS) x.locale = 'us' or (C++) x->Set('locale', 'us').
//
// First get supported properties.
// Some of the properties are optional, so we request them.
var properties = [];
var options = Intl.DateTimeFormat(
'en-US', {dateStyle: 'full'}).resolvedOptions();
for (var prop in options) {
if (options.hasOwnProperty(prop)) {
properties.push(prop);
}
}
// In the order of Table 6 of
// ecma402 #sec-intl.datetimeformat.prototype.resolvedoptions
var expectedProperties = [
'locale',
'calendar',
'numberingSystem',
'timeZone',
'hourCycle',
'hour12',
'dateStyle',
];
assertEquals(expectedProperties.length, properties.length);
properties.forEach(function(prop) {
assertFalse(expectedProperties.indexOf(prop) === -1);
});
taintProperties(properties);
var locale = Intl.DateTimeFormat().resolvedOptions().locale;