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products/Sources/formale Sprachen/C/Firefox/docshell/test/mochitest/test_bug590573.html

<!DOCTYPE HTML>
<html>

<head>
  <title>Test for Bug 590573</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <script src="/tests/SimpleTest/EventUtils.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=590573">Mozilla Bug 590573</a>

<script type='application/javascript'>
SimpleTest.waitForExplicitFinish();

// Listen to the first callback, since this indicates that the page loaded.
var page1LoadCallbackEnabled = true;
function page1Load() {
  if (page1LoadCallbackEnabled) {
    page1LoadCallbackEnabled = false;
    dump("Got page1 load.\n");
    pageLoad();
  } else {
    dump("Ignoring page1 load.\n");
  }
}

var page1PageShowCallbackEnabled = false;
function page1PageShow() {
  if (page1PageShowCallbackEnabled) {
    page1PageShowCallbackEnabled = false;
    dump("Got page1 pageshow.\n");
    pageLoad();
  } else {
    dump("Ignoring page1 pageshow.\n");
  }
}

var page2LoadCallbackEnabled = false;
function page2Load() {
  if (page2LoadCallbackEnabled) {
    page2LoadCallbackEnabled = false;
    dump("Got page2 popstate.\n");
    pageLoad();
  } else {
    dump("Ignoring page2 popstate.\n");
  }
}

var page2PopstateCallbackEnabled = false;
function page2Popstate() {
  if (page2PopstateCallbackEnabled) {
    page2PopstateCallbackEnabled = false;
    dump("Got page2 popstate.\n");
    pageLoad();
  } else {
    dump("Ignoring page2 popstate.\n");
  }
}

var page2PageShowCallbackEnabled = false;
function page2PageShow() {
  if (page2PageShowCallbackEnabled) {
    page2PageShowCallbackEnabled = false;
    dump("Got page2 pageshow.\n");
    pageLoad();
  } else {
    dump("Ignoring page2 pageshow.\n");
  }
}

var popup = window.open("file_bug590573_1.html");

var gTestContinuation = null;
var loads = 0;
function pageLoad() {
  loads++;
  dump("pageLoad(loads=" + loads + ", page location=" + popup.location + ")\n");

  if (!gTestContinuation) {
    gTestContinuation = testBody();
  }
  var ret = gTestContinuation.next();
  if (ret.done) {
    SimpleTest.finish();
  }
}

function continueAsync() {
  popup.addEventListener("popstate", function() {
      popup.requestAnimationFrame(function() { gTestContinuation.next(); });
    },
    {once: true});
}

function* testBody() {
  is(popup.scrollY, 0, "test 1");
  popup.scroll(0, 100);

  popup.history.pushState("", "", "?pushed");
  is(Math.round(popup.scrollY), 100, "test 2");
  popup.scroll(0, 200); // set state-2's position to 200

  popup.history.back();
  continueAsync();
  yield;
  is(Math.round(popup.scrollY), 100, "test 3");
  popup.scroll(0, 150); // set original page's position to 150

  popup.history.forward();
  continueAsync();
  yield;
  is(Math.round(popup.scrollY), 200, "test 4");

  popup.history.back();
  continueAsync();
  yield;
  is(Math.round(popup.scrollY), 150, "test 5");

  popup.history.forward();
  continueAsync();
  yield;
  is(Math.round(popup.scrollY), 200, "test 6");

  // At this point, the history looks like:
  //   PATH                         POSITION
  //   file_bug590573_1.html        150       <-- oldest
  //   file_bug590573_1.html?pushed 200       <-- newest, current

  // Now test that the scroll position is persisted when we have real
  // navigations involved.  First, we need to spin the event loop so that the
  // navigation doesn't replace our current history entry.

  setTimeout(pageLoad, 0);
  yield;

  page2LoadCallbackEnabled = true;
  popup.location = "file_bug590573_2.html";
  yield;

  ok(popup.location.href.match("file_bug590573_2.html$"),
     "Location was " + popup.location +
     " but should end with file_bug590573_2.html");

  is(popup.scrollY, 0, "test 7");
  popup.scroll(0, 300);

  // We need to spin the event loop again before we go back, otherwise the
  // scroll positions don't get updated properly.
  setTimeout(pageLoad, 0);
  yield;

  page1PageShowCallbackEnabled = true;
  popup.history.back();
  yield;

  // Spin the event loop again so that we get the right scroll positions.
  setTimeout(pageLoad, 0);
  yield;

  is(popup.location.search, "?pushed");
  ok(popup.document.getElementById("div1"), "page should have div1.");

  is(Math.round(popup.scrollY), 200, "test 8");

  popup.history.back();
  continueAsync();
  yield;
  is(Math.round(popup.scrollY), 150, "test 9");
  popup.history.forward();
  continueAsync();
  yield;

  is(Math.round(popup.scrollY), 200, "test 10");

  // Spin one last time...
  setTimeout(pageLoad, 0);
  yield;

  page2PageShowCallbackEnabled = true;
  popup.history.forward();
  yield;

  // Bug 821821, on Android tegras we get 299 instead of 300 sometimes
  const scrollY = Math.floor(popup.scrollY);
  if (scrollY >= 299 && scrollY <= 300) {
    is(1, 1, "test 11");
  } else {
    is(1, 0, "test 11, got " + popup.scrollY + " for popup.scrollY instead of 299|300");
  }
  popup.close();
}
</script>

</body>
</html>

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SSL test_bug590573.html Interaktion und PortierbarkeitHTML

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SSL test_bug590573.html Interaktion und
PortierbarkeitHTML