Quelle test_bug529119-1.html Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/docshell/test/mochitest/test_bug529119-1.html

<!DOCTYPE HTML>
<html>
<head>
<title>Test bug 529119</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />

<script class="testbody" type="text/javascript">

SimpleTest.waitForExplicitFinish();
SimpleTest.requestFlakyTimeout("untriaged");

var workingURL = "http://mochi.test:8888/tests/docshell/test/mochitest/bug529119-window.html";
var faultyURL = "https://www.some-nonexistent-domain-27489274c892748217cn2384.test/";

var w = null;
var phase = 0;
var gotWrongPageOnTryAgainClick = false;
// Token that represents which page we currently have loaded.
var token = 0;

function delay(msec) {
  return new Promise(resolve => setTimeout(resolve, msec));
}

async function assignToken(tokenToAssign) {
  await SpecialPowers.spawn(w, [tokenToAssign],
                            newToken => { this.content.token = newToken });
}

async function pollForPage() {
  while (true) {
    try {
      // When we do our navigation, there may be an interstitial about:blank
      // page if the navigation involves a process switch.  That about:blank
      // will exist between the new process's docshell being created and the
      // actual page that's being loaded loading (which can happen async from
      // the docshell creation).  We want to avoid treating the initial
      // about:blank as a new page.
      //
      // We could conceivably expose Document::IsInitialDocument() as a
      // ChromeOnly thing and use it here, but let's just filter out all
      // about:blank, since we don't expect any in this test.
      var haveNewPage = await SpecialPowers.spawn(w, [token],
        currentToken => this.content.token != currentToken &&
                        this.content.location.href != "about:blank");

      if (haveNewPage) {
        ++token;
        assignToken(token);
        break;
      }
    } catch (e) {
      // Something went wrong; just keep waiting.
    }

    await delay(100);
  }
}

async function windowLoaded() {
  switch (phase) {
    case 0:
      assignToken(token);

      /* 2. We have succeededfully loaded a page, now go to a faulty URL */
      window.setTimeout(function() {
        w.location.href = faultyURL;
      }, 0);

      phase = 1;

      await pollForPage(w);
      is(await SpecialPowers.spawn(w, [], () => this.content.location.href),
         faultyURL,
         "Is on an error page initially");

      /* 3. now, while we are on the error page, try to reload it, actually
         click the "Try Again" button */
      SpecialPowers.spawn(w, [], () => this.content.location.reload());

      await pollForPage(w);

      /* 4-finish, check we are still on the error page */
      is(await SpecialPowers.spawn(w, [], () => this.content.location.href),
         faultyURL,
         "Is on an error page");
      is(gotWrongPageOnTryAgainClick, false,
        "Must not get www.example.com page on reload of an error page");
      w.close();
      SimpleTest.finish();
      break;

    case 1:
      /* 4-check, we must not get here! */
      gotWrongPageOnTryAgainClick = true;
      break;
  }
}

function startTest() {
  /* 1. load a URL that leads to an error page */
  w = window.open(workingURL);
}

</script>
</head>
<body onload="startTest();">
</body>
</html>

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