Home | History | Annotate | Download | only in date-format 
      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.
     45 var properties = [];
     46 var 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();
     50 for (var prop in options) {
     51   if (options.hasOwnProperty(prop)) {
     52     properties.push(prop);
     53   }
     54 }
     55 
     56 var expectedProperties = [
     57   'calendar', 'day', 'era', 'hour12', 'hour', 'locale',
     58   'minute', 'month', 'numberingSystem',
     59   'second', 'timeZone', 'timeZoneName', 'weekday', 'year'
     60 ];
     61 
     62 assertEquals(expectedProperties.length, properties.length);
     63 
     64 properties.forEach(function(prop) {
     65   assertFalse(expectedProperties.indexOf(prop) === -1);
     66 });
     67 
     68 taintProperties(properties);
     69 
     70 var locale = Intl.DateTimeFormat().resolvedOptions().locale;
     71