third_party/WebKit/LayoutTests/fast/events/constructors/promise-rejection-event-constructor.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
   8 test(function() {
   9   var p = new Promise(function(resolve, reject) {});
  10
  11   // No initializer is passed.
  12   assert_equals(new PromiseRejectionEvent('eventType').bubbles, false);
  13   assert_equals(new PromiseRejectionEvent('eventType').cancelable, false);
  14   assert_equals(new PromiseRejectionEvent('eventType').promise, null);
  15   assert_equals(new PromiseRejectionEvent('eventType').reason, null);
  16
  17   // No promise is passed.
  18   assert_throws(new TypeError(),
  19                 function() {
  20                   new PromiseRejectionEvent('eventType', { bubbles: false });
  21                 },
  22                 'Cannot construct PromiseRejectionEventInit without promise');
  23
  24   // bubbles is passed.
  25   assert_equals(new PromiseRejectionEvent('eventType', { bubbles: false, promise: p }).bubbles, false);
  26   assert_equals(new PromiseRejectionEvent('eventType', { bubbles: true, promise: p }).bubbles, true);
  27
  28   // cancelable is passed.
  29   assert_equals(new PromiseRejectionEvent('eventType', { cancelable: false, promise: p }).cancelable, false);
  30   assert_equals(new PromiseRejectionEvent('eventType', { cancelable: true, promise: p }).cancelable, true);
  31
  32   // promise is passed.
  33   assert_equals(new PromiseRejectionEvent('eventType', { promise: p }).promise, p);
  34
  35   // reason is passed.
  36   var r = new Error();
  37   assert_equals(new PromiseRejectionEvent('eventType', { promise: p, reason: r }).reason, r);
  38
  39
  40   // All initializers are passed.
  41   assert_equals(new PromiseRejectionEvent('eventType', { bubbles: true, cancelable: true, promise: p, reason: r }).bubbles, true);
  42   assert_equals(new PromiseRejectionEvent('eventType', { bubbles: true, cancelable: true, promise: p, reason: r }).cancelable, true);
  43   assert_equals(new PromiseRejectionEvent('eventType', { bubbles: true, cancelable: true, promise: p, reason: r }).promise, p);
  44   assert_equals(new PromiseRejectionEvent('eventType', { bubbles: true, cancelable: true, promise: p, reason: r }).reason, r);
  45 }, "This tests the constructor for the PromiseRejectionEvent DOM class.");
  46 </script>