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products/Sources/formale Sprachen/C/Firefox/docshell/test/mochitest/ (Browser von der Mozilla Stiftung Version 136.0.1^©) Datei vom 10.2.2025 mit Größe 3 kB

Quelle test_bfcache_plus_hash.html Sprache: HTML

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

<!DOCTYPE HTML>
<html>

<head>
  <title>Test for Bug 646641</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <script src="/tests/SimpleTest/WindowSnapshot.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=646641">Mozilla Bug 646641</a>
<p id="display"></p>
<div id="content" style="display: none">

</div>
<pre id="test">
<script type="application/javascript">

/** Test for Bug 646641 */

/**
* Steps:
* - Main page (this one) opens file_bfcache_plus_hash_1.html (subpage 1)
* - subpage 1 sends msg { "childLoad", 1 }
* - subpage 1 sends msg { "childPageshow", 1 }
* - main page sends message "pushState"
* - subpage 1 does pushState()
* - subpage 1 navigates to file_bfcache_plus_hash_2.html (subpage 2)
* - subpage 2 sends msg { "childLoad", 2 }
* - subpage 2 sends msg { "childPageshow", 2 }
* - main page sends msg "go-2"
* - subpage 2 goes back two history entries
* - subpage 1 sends msg  { "childPageshow", 1 }
*  - Receiving only this msg shows we have retrieved the document from bfcache
* - main page sends msg "close"
* - subpage 1 sends msg "closed"
*/
SimpleTest.waitForExplicitFinish();

function debug(msg) {
  // Wrap dump so we can turn debug messages on and off easily.
  dump(msg + "\n");
}

var expectedLoadNum = -1;
var expectedPageshowNum = -1;

function waitForLoad(n) {
  debug("Waiting for load " + n);
  expectedLoadNum = n;
}

function waitForShow(n) {
  debug("Waiting for show " + n);
  expectedPageshowNum = n;
}

function executeTest() {
  function* test() {
    window.open("file_bfcache_plus_hash_1.html", "", "noopener");
    waitForLoad(1);
    waitForShow(1);
    yield undefined;
    yield undefined;

    bc1.postMessage("pushState");

    waitForLoad(2);
    waitForShow(2);
    yield undefined;
    yield undefined;

    // Now go back 2.  The first page should be retrieved from bfcache.
    bc2.postMessage("go-2");
    waitForShow(1);
    yield undefined;

    bc1.postMessage("close");
  }

  var bc1 = SpecialPowers.wrap(BroadcastChannel).unpartitionedTestingChannel("bug646641_1");
  var bc2 = SpecialPowers.wrap(BroadcastChannel).unpartitionedTestingChannel("bug646641_2");
  bc1.onmessage = (msgEvent) => {
    var msg = msgEvent.data.message;
    var n = msgEvent.data.num;
    if (msg == "childLoad") {
      if (n == expectedLoadNum) {
        debug("Got load " + n);
        expectedLoadNum = -1;

        // Spin the event loop before calling gGen.next() so the generator runs
        // outside the onload handler.  This prevents us from encountering all
        // sorts of docshell quirks.
        setTimeout(function() { gGen.next(); }, 0);
      } else {
        debug("Got unexpected load " + n);
        ok(false, "Got unexpected load " + n);
      }
    } else if (msg == "childPageshow") {
      if (n == expectedPageshowNum) {
        debug("Got expected pageshow " + n);
        expectedPageshowNum = -1;
        ok(true, "Got expected pageshow " + n);
        setTimeout(function() { gGen.next(); }, 0);
      } else {
        debug("Got unexpected pageshow " + n);
        ok(false, "Got unexpected pageshow " + n);
      }
    } else if (msg == "closed") {
      bc1.close();
      bc2.close();
      SimpleTest.finish();
    }
  }

  bc2.onmessage = bc1.onmessage;

  var gGen = test();

  // If Fission is disabled, the pref is no-op.
  SpecialPowers.pushPrefEnv({set: [["fission.bfcacheInParent", true]]}, () => {
    gGen.next();
  });
}

executeTest();

</script>
</pre>
</body>
</html>

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