Import intl test suite from v8-i18n project

test/intl/number-format/property-override.js

+// 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.
+// limitations under the License.
+
+// 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 number-format.js and number-format.cc so they have the same
+// list of properties.
+
+// First get supported properties.
+var properties = [];
+// Some properties are optional and won't show up in resolvedOptions if
+// they were not requested - currency, currencyDisplay,
+// minimumSignificantDigits and maximumSignificantDigits - so we request them.
+var options = Intl.NumberFormat(
+  undefined, {style: 'currency', currency: 'USD', currencyDisplay: 'name',
+              minimumSignificantDigits: 1, maximumSignificantDigits: 5}).
+    resolvedOptions();
+for (var prop in options) {
+  if (options.hasOwnProperty(prop)) {
+    properties.push(prop);
+  }
+}
+
+var expectedProperties = [
+  'style', 'locale', 'numberingSystem',
+  'currency', 'currencyDisplay', 'useGrouping',
+  'minimumIntegerDigits', 'minimumFractionDigits',
+  'maximumFractionDigits', 'minimumSignificantDigits',
+  'maximumSignificantDigits'
+];
+
+assertEquals(expectedProperties.length, properties.length);
+
+properties.forEach(function(prop) {
+  assertFalse(expectedProperties.indexOf(prop) === -1);
+});
+
+taintProperties(properties);
+
+var locale = Intl.NumberFormat(undefined,
+                               {currency: 'USD', currencyDisplay: 'name',
+                                minimumIntegerDigits: 2,
+                                numberingSystem: 'latn'}).
+    resolvedOptions().locale;