Quelle test_bug1729662.html

Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/docshell/test/mochitest/test_bug1729662.html

<!DOCTYPE HTML>
<html>
<head>
  <meta charset="utf-8">
  <title>Test back/forward after pushState</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" href="/tests/SimpleTest/test.css"/>
  <script>
    SimpleTest.waitForExplicitFinish();
    SimpleTest.requestFlakyTimeout("Need to wait to make sure an event does not fire");

    function waitForEvent(target, event) {
      return new Promise(resolve =>
        target.addEventListener(event, resolve, { once: true }));
    }

    async function runTest() {
      // Target page needs to be the initial load so that the synchronously
      // available window is reused and we can attach popstate listeners.
      const win = window.open('file_bug1729662.html');

      let timeoutID;
      let loadCount = 0;
      let bc = new BroadcastChannel("bug1729662");
      bc.onmessage = ({ data }) => {
        if (data != 'load') return;
        if (++loadCount > 1) {
          // We should only get one load event in win
          clearTimeout(timeoutID);
        }
      };

      // We should only go back and forward once
      // The popstate for back will have state == null, see file_bug1729662.html
      const state1 = await waitForEvent(win, 'popstate');
      is(state1.state, null, 'got expected state for history.back');

      const state2 = await waitForEvent(win, 'popstate');
      is(state2.state, 1, 'got expected state for history.forward');

      // eslint-disable-next-line mozilla/no-arbitrary-setTimeout
      const timeout = new Promise(resolve => timeoutID = setTimeout(resolve, 1000, 'timeout'));
      const result = await Promise.race([
        waitForEvent(win, 'popstate'),
        timeout
      ]);
      is(result, 'timeout', 'Got no more popstate');

      is(loadCount, isXOrigin ? 0 : 1, 'Got exactly one (zero for xorigin) load events in win');

      clearTimeout(timeoutID);
      win.close();

      SimpleTest.finish();
    }
  </script>
</head>
<body onload="runTest();">
<p id="display"></p>
<div id="content" style="display: none"></div>
<pre id="test"></pre>
</body>
</html>

Messung V0.5 in Prozent

¤ Dauer der Verarbeitung: 0.19 Sekunden (vorverarbeitet am 2026-08-25) ¤

Wurzel

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PVS Prover

Isabelle Prover

NIST Cobol Testsuite

Cephes Mathematical Library

Vienna Development Method

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