dom/bindings/test/test_callback_exceptions.html

   1 <!DOCTYPE html>
   2 <meta charset=utf-8>
   3 <title>Test for ...</title>
   4 <script src="/resources/testharness.js"></script>
   5 <script src="/resources/testharnessreport.js"></script>
   6 <div id="log"></div>
   7 <script>
   8 /* global promise_test, promise_rejects */
   9
  10 promise_test(function(t) {
  11   var iterator = document.createNodeIterator(document, NodeFilter.SHOW_ALL, JSON.parse);
  12   return promise_rejects(t, new SyntaxError,
  13                          Promise.resolve().then(iterator.nextNode.bind(iterator)));
  14 }, "Trying to use JSON.parse as filter should throw a catchable SyntaxError exception even when the filter is invoked async");
  15
  16 promise_test(function(t) {
  17   return promise_rejects(t, new SyntaxError, Promise.resolve("{").then(JSON.parse));
  18 }, "Trying to use JSON.parse as a promise callback should allow the next promise to handle the resulting exception.");
  19 </script>