tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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navigate-double-intercept.html (2927B)


      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 promise_test(async t => {
     10  // Wait for after the load event so that the navigation doesn't get converted
     11  // into a replace navigation.
     12  await new Promise(resolve => window.onload = () => t.step_timeout(resolve, 0));
     13 
     14  const fromStart = navigation.currentEntry;
     15  let fromHash1;
     16 
     17  const recorder = new Recorder({
     18    skipCurrentChange: !hasVariant("currententrychange"),
     19    finalExpectedEvent: "transition.finished fulfilled"
     20  });
     21 
     22  recorder.setUpNavigationAPIListeners();
     23 
     24  navigation.addEventListener("navigate", e => {
     25    e.intercept({ handler() {
     26      recorder.record("handler run");
     27      return new Promise(r => t.step_timeout(r, 1));
     28    }});
     29 
     30    if (location.hash === "#1") {
     31      fromHash1 = navigation.currentEntry;
     32    }
     33  });
     34 
     35  const result1 = navigation.navigate("/common/blank.html#1");
     36  recorder.setUpResultListeners(result1, " 1");
     37 
     38  const result2 = navigation.navigate("/common/blank.html#2");
     39  recorder.setUpResultListeners(result2, " 2");
     40 
     41  Promise.resolve().then(() => recorder.record("promise microtask"));
     42 
     43  await recorder.readyToAssert;
     44 
     45  recorder.assert([
     46    /* event name, location.hash value, navigation.transition properties */
     47    ["navigate", "", null],
     48    ["currententrychange", "#1", { from: fromStart, navigationType: "push" }],
     49    ["handler run", "#1", { from: fromStart, navigationType: "push" }],
     50    ["AbortSignal abort", "#1", { from: fromStart, navigationType: "push" }],
     51    ["navigateerror", "#1", { from: fromStart, navigationType: "push" }],
     52 
     53    ["navigate", "#1", null],
     54    ["currententrychange", "#2", { from: fromHash1, navigationType: "push" }],
     55    ["handler run", "#2", { from: fromHash1, navigationType: "push" }],
     56    ["committed fulfilled 1", "#2", { from: fromHash1, navigationType: "push" }],
     57    ["transition.committed fulfilled 1", "#2", { from: fromHash1, navigationType: "push" }],
     58    ["finished rejected 1", "#2", { from: fromHash1, navigationType: "push" }],
     59    ["transition.finished rejected", "#2", { from: fromHash1, navigationType: "push" }],
     60    ["committed fulfilled 2", "#2", { from: fromHash1, navigationType: "push" }],
     61    ["transition.committed fulfilled 2", "#2", { from: fromHash1, navigationType: "push" }],
     62    ["promise microtask", "#2", { from: fromHash1, navigationType: "push" }],
     63    ["navigatesuccess", "#2", { from: fromHash1, navigationType: "push" }],
     64    ["finished fulfilled 2", "#2", null],
     65    ["transition.finished fulfilled", "#2", null]
     66  ]);
     67 
     68  recorder.assertErrorsAreAbortErrors();
     69 }, "event and promise ordering when navigate() is called repeatedly and handled by intercept()");
     70 </script>