third_party/WebKit/LayoutTests/fast/dom/Document/location-unforgeable.html

   1 <!DOCTYPE html>
   2 <title>Document has an unforgeable attribute location</title>
   3 <script src="../../../resources/testharness.js"></script>
   4 <script src="../../../resources/testharnessreport.js"></script>
   5 <script>
   6 // https://html.spec.whatwg.org/#document
   7 // https://heycam.github.io/webidl/#Unforgeable
   8 test(function() {
   9     assert_true(document.hasOwnProperty("location"), "property exist on the object itself");
  10     var descriptor = Object.getOwnPropertyDescriptor(document, "location");
  11     assert_false(descriptor.configurable, "property is not configurable");
  12     assert_throws(new TypeError(), function() {
  13         Object.defineProperty(document, "location", {get: function () {}});
  14     }, "attempting to modify property throws TypeError");
  15 });
  16 </script>