tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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back-same-document-intercept-reject.html (1996B)


      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  await navigation.navigate("#1").finished;
     15 
     16  const from = navigation.currentEntry;
     17  const expectedError = new Error("boo");
     18 
     19  const recorder = new Recorder({
     20    skipCurrentChange: !hasVariant("currententrychange"),
     21    finalExpectedEvent: "transition.finished rejected"
     22  });
     23 
     24  recorder.setUpNavigationAPIListeners();
     25 
     26  navigation.addEventListener("navigate", e => {
     27    e.intercept({ handler() {
     28      recorder.record("handler run");
     29      return Promise.reject(expectedError);
     30    }});
     31  });
     32 
     33  const result = navigation.back();
     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    ["promise microtask", "#1", null],
     43    ["navigate", "#1", null],
     44    ["currententrychange", "", { from, navigationType: "traverse" }],
     45    ["handler run", "", { from, navigationType: "traverse" }],
     46    ["committed fulfilled", "", { from, navigationType: "traverse" }],
     47    ["AbortSignal abort", "", { from, navigationType: "traverse" }],
     48    ["navigateerror", "", { from, navigationType: "traverse" }],
     49    ["finished rejected", "", null],
     50    ["transition.finished rejected", "", null]
     51  ]);
     52 
     53  recorder.assertErrorsAre(expectedError);
     54 }, "event and promise ordering for same-document navigation.back() intercepted by passing a rejected promise to intercept()");
     55 </script>