third_party/WebKit/LayoutTests/fast/dom/promise-rejection-events-attached-in-event.html

   1 <!DOCTYPE html>
   2 <meta charset="utf-8">
   3 <script src="../../resources/testharness.js"></script>
   4 <script src="../../resources/testharnessreport.js"></script>
   5 <script>
   6 'use strict';
   7 async_test(function(t) {
   8   var e = new Error('e');
   9   var p = Promise.reject(e);
  10
  11   window.onunhandledrejection = function(evt) {
  12     t.step(function() {
  13       assert_equals(evt.promise, p);
  14       assert_equals(evt.reason, e);
  15     });
  16     var unreached = t.unreached_func('promise should not be fulfilled');
  17     p.then(unreached, function(reason) {
  18       t.step(function() {
  19         assert_equals(reason, e);
  20       });
  21       setTimeout(function() { t.done(); }, 10);
  22     });
  23   };
  24
  25   window.onrejectionhandled = t.unreached_func('rejectionhandled event should not be invoked');
  26 }, 'Attaching a handler in unhandledrejection should not trigger rejectionhandled.');
  27 </script>