930143666c
See https://github.com/tc39/proposal-intl-datetime-style Design Doc: https://goo.gl/v7n7zV Bug: v8:8702 Change-Id: If45a901e369003ded6c0c690a65f0429800d5ecc Reviewed-on: https://chromium-review.googlesource.com/c/1417372 Commit-Queue: Frank Tang <ftang@chromium.org> Reviewed-by: Sathya Gunasekaran <gsathya@chromium.org> Reviewed-by: Jakob Kummerow <jkummerow@chromium.org> Cr-Commit-Position: refs/heads/master@{#59264}
60 lines
1.4 KiB
JavaScript
60 lines
1.4 KiB
JavaScript
// Copyright 2019 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --harmony-intl-datetime-style
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// Checks for security holes introduced by Object.property overrides.
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// For example:
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// Object.defineProperty(Array.prototype, 'locale', {
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// set: function(value) {
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// throw new Error('blah');
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// },
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// configurable: true,
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// enumerable: false
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// });
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//
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// would throw in case of (JS) x.locale = 'us' or (C++) x->Set('locale', 'us').
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// First get supported properties.
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// Some of the properties are optional, so we request them.
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var properties = [];
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var options = Intl.DateTimeFormat(
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'en-US', {dateStyle: 'full', timeStyle: 'full'}).resolvedOptions();
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for (var prop in options) {
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if (options.hasOwnProperty(prop)) {
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properties.push(prop);
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}
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}
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// In the order of Table 6 of
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// ecma402 #sec-intl.datetimeformat.prototype.resolvedoptions
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var expectedProperties = [
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'locale',
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'calendar',
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'numberingSystem',
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'timeZone',
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'hourCycle',
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'hour12',
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'weekday',
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'year',
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'month',
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'day',
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'hour',
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'minute',
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'second',
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'timeZoneName',
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'dateStyle',
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'timeStyle',
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];
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assertEquals(expectedProperties.length, properties.length);
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properties.forEach(function(prop) {
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assertFalse(expectedProperties.indexOf(prop) === -1);
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});
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taintProperties(properties);
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var locale = Intl.DateTimeFormat().resolvedOptions().locale;
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