v8/test/intl/date-format/property-override.js
Frank Tang d3fe0e29c3 Return undefined if fractionalSecondDigits is 0
Bug: v8:10686
Change-Id: I5a7b47dd4ed10142a795de56c4739ab072e63421
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2286814
Commit-Queue: Frank Tang <ftang@chromium.org>
Reviewed-by: Frank Tang <ftang@chromium.org>
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Cr-Commit-Position: refs/heads/master@{#68773}
2020-07-09 23:01:15 +00:00

85 lines
3.0 KiB
JavaScript

// Copyright 2013 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// 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').
//
// Update both date-format.js and date-format.cc so they have the same list of
// properties.
// First get supported properties.
// Some of the properties are optional, so we request them.
var properties = [];
var options = Intl.DateTimeFormat(
'en-US', {weekday: 'short', era: 'short', year: 'numeric', month: 'short',
day: 'numeric', hour: 'numeric', minute: 'numeric',
second: 'numeric', timeZoneName: 'short'}).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',
'weekday',
'era',
'year',
'month',
'day',
'hour',
'minute',
'second',
'timeZoneName',
];
assertEquals(expectedProperties.length, properties.length);
properties.forEach(function(prop) {
assertFalse(expectedProperties.indexOf(prop) === -1);
});
taintProperties(properties);
var locale = Intl.DateTimeFormat().resolvedOptions().locale;