tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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navigate-intercept-precommitHandler-reject.tentative.html (2011B)


      1 <!doctype html>
      2 <script src="/resources/testharness.js"></script>
      3 <script src="/resources/testharnessreport.js"></script>
      4 <meta name="variant" content="?no-currententrychange">
      5 <meta name="variant" content="?currententrychange">
      6 
      7 <script type="module">
      8 import { Recorder, hasVariant } from "./resources/helpers.mjs";
      9 
     10 promise_test(async t => {
     11  // Wait for after the load event so that the navigation doesn't get converted
     12  // into a replace navigation.
     13  await new Promise(resolve => window.onload = () => t.step_timeout(resolve, 0));
     14 
     15  const from = navigation.currentEntry;
     16 
     17  const recorder = new Recorder({
     18    skipCurrentChange: !hasVariant("currententrychange"),
     19    finalExpectedEvent: "transition.finished rejected"
     20  });
     21 
     22  recorder.setUpNavigationAPIListeners();
     23 
     24  navigation.addEventListener("navigate", e => {
     25    e.intercept({ async precommitHandler() {
     26                    recorder.record("precommitHandler start");
     27                    return Promise.reject("reject reason");
     28                  },
     29                  async handler() { recorder.record("handler should not run"); }
     30                });
     31  });
     32 
     33  const result = navigation.navigate("#1");
     34  recorder.setUpResultListeners(result);
     35 
     36  Promise.resolve().then(() => recorder.record("promise microtask"));
     37 
     38  await recorder.readyToAssert;
     39 
     40  recorder.assert([
     41    /* event name, location.hash value, navigation.transition properties */
     42    ["navigate", "", null],
     43    ["precommitHandler start", "", { from, navigationType: "push" }],
     44    ["promise microtask", "", { from, navigationType: "push" }],
     45    ["AbortSignal abort", "", { from, navigationType: "push" }],
     46    ["navigateerror", "", { from, navigationType: "push" }],
     47    ["committed rejected", "", null],
     48    ["finished rejected", "", null],
     49    ["transition.committed rejected", "", null],
     50    ["transition.finished rejected", "", null],
     51  ]);
     52 }, "event and promise ordering for same-document navigation.navigate() intercepted by intercept() with a precommitHandler");
     53 </script>