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      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 collator.js and collator.cc so they have the same list of
     41 // properties.
     42 
     43 // First get supported properties.
     44 var properties = [];
     45 var options = Intl.Collator().resolvedOptions();
     46 for (var prop in options) {
     47   if (options.hasOwnProperty(prop)) {
     48     properties.push(prop);
     49   }
     50 }
     51 
     52 var expectedProperties = [
     53   'caseFirst', 'sensitivity', 'ignorePunctuation',
     54   'locale', 'numeric', 'usage', 'collation'
     55 ];
     56 
     57 assertEquals(expectedProperties.length, properties.length);
     58 
     59 properties.forEach(function(prop) {
     60   assertFalse(expectedProperties.indexOf(prop) === -1);
     61 });
     62 
     63 taintProperties(properties);
     64 
     65 var locale = Intl.Collator().resolvedOptions().locale;
     66