Quelle test_bug607529.html Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/layout/base/tests/test_bug607529.html

<!DOCTYPE HTML>
<html>

<head>
  <title>Test for Bug 607529</title>
  <script src="/tests/SimpleTest/SimpleTest.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=607529">Mozilla Bug 607529</a>
<p id="display"></p>
<div id="content" style="display: none">

</div>
<pre id="test">
<script type="application/javascript">
  SimpleTest.waitForExplicitFinish();

  /* General idea: Open a new window (needed because we don't bfcache
     subframes) that uses requestAnimationFrame, navigate it, navigate it
     back, and verify that the animations are still running.  */

  function executeTest() {
    /** Test for Bug 607529 **/
    var doneOneLoad = false;
    var done = false;
    var bc = new BroadcastChannel("bug607529");
    var bc_1 = new BroadcastChannel("bug607529_1");
    bc.onmessage = (msgEvent) => {
      var msg = msgEvent.data;
      isnot(msg, "notcached", "Should never end up not being cached");
      if (msg == "loaded") {
        if (!doneOneLoad) {
          doneOneLoad = true;
          bc.postMessage("navigateToPage");
        } else {
          // This is unexpected, but it can happen on Android, probably when
          // bfcache gets purged due to memory pressure. Hence, "soft fail" there.
          var message = "onload handler shouldn't fire on restore from bfcache";
          if (navigator.appVersion.includes("Android")) {
            todo(false, message);
          } else {
            ok(false, message);
          }
          // In any case, more messages aren't coming, so finish up.
          closeWindowAndFinish();
        }
      }
      else if (msg == "revived") {
        bc.postMessage("report");
      }
      else if (msg == "callbackHappened") {
        // We might get this message more than once, if the other page queues up
        // more than one callbackHappened message before we manage to close it.
        // Protect against calling SimpleTest.finish() more than once.
        if (!done) {
          closeWindowAndFinish();
          done = true;
        }
      } else if (msg == "closed") {
        bc.close();
        bc_1.close();
        SimpleTest.finish();
      } else {
        try {
          var jsonMsg = JSON.parse(msg);
        } catch (ex) {
          // In case JSON.parse throws, we pause to print the string that it
          // choked on, and then resume throwing the exception.
          ok(false, "JSON.parse threw, when passed string '" + jsonMsg + "'");
          throw ex;
        }
        if (jsonMsg.error) {
          window.onerror(jsonMsg.msg, jsonMsg.url, jsonMsg.line);
        }
      }
    }
    bc_1.onmessage = (msgEvent) => {
      if (msgEvent.data == "goback") {
        bc_1.postMessage("navigateBack");
      }
    }
    function closeWindowAndFinish() {
      bc.postMessage("close");
    }

    // If Fission is disabled, the pref is no-op.
    SpecialPowers.pushPrefEnv({set: [["fission.bfcacheInParent", true]]}, () => {
      window.open("file_bug607529.html", "", "noopener");
    });
  }

  if (isXOrigin) {
    // Bug 1746646: Make mochitests work with TCP enabled (cookieBehavior = 5)
    // Acquire storage access permission here so that the BroadcastChannel used to
    // communicate with the opened windows works in xorigin tests. Otherwise,
    // the iframe containing this page is isolated from first-party storage access,
    // which isolates BroadcastChannel communication.
    SpecialPowers.wrap(document).notifyUserGestureActivation();
    SpecialPowers.pushPrefEnv({
      set: [["privacy.partition.always_partition_third_party_non_cookie_storage", false]],
    }).then(() => {
      SpecialPowers.addPermission("storageAccessAPI", true, window.location.href).then(() => {
        SpecialPowers.wrap(document).requestStorageAccess().then(() => {
          executeTest();
        });
      });
    });
  } else {
    executeTest();
  }

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

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