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