dom/bindings/test/test_lenientThis.html

   1 <!doctype html>
   2 <meta charset=utf-8>
   3 <title>[LenientThis]</title>
   4 <script src=/resources/testharness.js></script>
   5 <script src=/resources/testharnessreport.js></script>
   6 <div id=log></div>
   7 <script>
   8 function noop1() { }
   9 function noop2() { }
  10
  11 test(function() {
  12   var desc = Object.getOwnPropertyDescriptor(Document.prototype, "onreadystatechange");
  13
  14   document.onreadystatechange = noop1;
  15   assert_equals(document.onreadystatechange, noop1, "document.onreadystatechange == noop1");
  16   assert_equals(desc.get.call({ }), undefined, "document.onreadystatechange getter.call({}) == undefined");
  17 }, "invoking Document.onreadystatechange's getter with an invalid this object returns undefined");
  18
  19 test(function() {
  20   var desc = Object.getOwnPropertyDescriptor(Document.prototype, "onreadystatechange");
  21
  22   document.onreadystatechange = noop1;
  23   assert_equals(document.onreadystatechange, noop1, "document.onreadystatechange == noop1");
  24   assert_equals(desc.set.call({ }, noop2), undefined, "document.onreadystatechange setter.call({}) == undefined");
  25   assert_equals(document.onreadystatechange, noop1, "document.onreadystatechange == noop1 (still)");
  26 }, "invoking Document.onreadystatechange's setter with an invalid this object does nothing and returns undefined");
  27 </script>