pjs/toolkit/content/tests/chrome/test_arrowpanel.xul

<?xml version="1.0"?>
<?xml-stylesheet href="chrome://global/skin" type="text/css"?>
<?xml-stylesheet href="/tests/SimpleTest/test.css" type="text/css"?>

<window title="Arrow Panels"
        style="padding: 10px;"
        xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">

  <script type="application/javascript"
          src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/>

<stack flex="1">
  <label id="topleft" value="Top Left Corner" left="15" top="15"/>
  <label id="topright" value="Top Right" right="15" top="15"/>
  <label id="bottomleft" value="Bottom Left Corner" left="15" bottom="15"/>
  <label id="bottomright" value="Bottom Right" right="15" bottom="15"/>
  <!-- Our SimpleTest/TestRunner.js runs tests inside an iframe which sizes are W=500 H=300.
       'left' and 'top' values need to be set so that the panel (popup) has enough room to display on its 4 sides. -->
  <label id="middle" value="+/- Centered" left="225" top="135"/>
  <iframe id="frame" type="content"
          src="data:text/html,&lt;input id='input'&gt;" width="100" height="100" left="225" top="120"/>
</stack>

<panel id="panel" type="arrow" onpopupshown="checkPanelPosition(this)" onpopuphidden="runNextTest.next()">
  <label id="panellabel" value="This is some text." height="65"/>
</panel>

<panel id="bigpanel" type="arrow" onpopupshown="checkBigPanel(this)" onpopuphidden="SimpleTest.finish()">
  <button label="This is some text." height="3000"/>
</panel>

<script type="application/javascript">
<![CDATA[

SimpleTest.waitForExplicitFinish();

var expectedAnchor = null;
var expectedSide = "", expectedAnchorEdge = "", expectedPack = "";
var zoomFactor = 1;
var runNextTest;

function startTest()
{
  runNextTest = nextTest();
  runNextTest.next();
}

function nextTest()
{
  var panel = $("panel");

  function openPopup(position, anchor, expected, anchorEdge, pack)
  {
    expectedAnchor = anchor instanceof Node ? anchor : $(anchor);
    expectedSide = expected;
    expectedAnchorEdge = anchorEdge;
    expectedPack = pack;

    panel.removeAttribute("side");
    panel.openPopup(expectedAnchor, position, 0, 0, false, false, null);
  }

  openPopup("after_start", "topleft", "top", "left", "start");
  yield;
  openPopup("after_start", "bottomleft", "bottom", "left", "start");
  yield;
  openPopup("before_start", "topleft", "top", "left", "start");
  yield;
  openPopup("before_start", "bottomleft", "bottom", "left", "start");
  yield;
  openPopup("after_start", "middle", "top", "left", "start");
  yield;
  openPopup("before_start", "middle", "bottom", "left", "start");
  yield;

  openPopup("after_start", "topright", "top", "right", "end");
  yield;
  openPopup("after_start", "bottomright", "bottom", "right", "end");
  yield;
  openPopup("before_start", "topright", "top", "right", "end");
  yield;
  openPopup("before_start", "bottomright", "bottom", "right", "end");
  yield;

  openPopup("after_end", "middle", "top", "right", "end");
  yield;
  openPopup("before_end", "middle", "bottom", "right", "end");
  yield;

  openPopup("start_before", "topleft", "left", "top", "start");
  yield;
  openPopup("start_before", "topright", "right", "top", "start");
  yield;
  openPopup("end_before", "topleft", "left", "top", "start");
  yield;
  openPopup("end_before", "topright", "right", "top", "start");
  yield;
  openPopup("start_before", "middle", "right", "top", "start");
  yield;
  openPopup("end_before", "middle", "left", "top", "start");
  yield;

  openPopup("start_before", "bottomleft", "left", "bottom", "end");
  yield;
  openPopup("start_before", "bottomright", "right", "bottom", "end");
  yield;
  openPopup("end_before", "bottomleft", "left", "bottom", "end");
  yield;
  openPopup("end_before", "bottomright", "right", "bottom", "end");
  yield;

  openPopup("start_after", "middle", "right", "bottom", "end");
  yield;
  openPopup("end_after", "middle", "left", "bottom", "end");
  yield;

  openPopup("topcenter bottomleft", "bottomleft", "bottom", "center left", "start");
  yield;
  openPopup("bottomcenter topleft", "topleft", "top", "center left", "start");
  yield;
  openPopup("topcenter bottomright", "bottomright", "bottom", "center right", "end");
  yield;
  openPopup("bottomcenter topright", "topright", "top", "center right", "end");
  yield;
  openPopup("topcenter bottomleft", "middle", "bottom", "center left", "start");
  yield;
  openPopup("bottomcenter topleft", "middle", "top", "center left", "start");
  yield;

  openPopup("leftcenter topright", "middle", "right", "center top", "start");
  yield;
  openPopup("rightcenter bottomleft", "middle", "left", "center bottom", "end");
  yield;

/*
  XXXndeakin disable these parts of the test which often cause problems, see bug 626563

  openPopup("after_start", frames[0].document.getElementById("input"), "top", "left", "start");
  yield;

  setScale(frames[0], 1.5);
  openPopup("after_start", frames[0].document.getElementById("input"), "top", "left", "start");
  yield;

  setScale(frames[0], 2.5);
  openPopup("before_start", frames[0].document.getElementById("input"), "bottom", "left", "start");
  yield;

  setScale(frames[0], 1);
*/

  $("bigpanel").openPopup($("topleft"), "after_start", 0, 0, false, false, null, "start");
  yield;

  SimpleTest.finish();
  yield;
}

function setScale(win, scale)
{
  var wn = win.QueryInterface(Components.interfaces.nsIInterfaceRequestor)
              .getInterface(Components.interfaces.nsIWebNavigation);
  var shell = wn.QueryInterface(Components.interfaces.nsIDocShell);
  var docViewer = shell.contentViewer.QueryInterface(Components.interfaces.nsIMarkupDocumentViewer);
  docViewer.fullZoom = scale;
  zoomFactor = scale;
}

function checkPanelPosition(panel)
{
  let anchor = panel.anchorNode;
  let adj = 0, hwinpos = 0, vwinpos = 0;
  if (anchor.ownerDocument != document) {
    var framerect = anchor.ownerDocument.defaultView.frameElement.getBoundingClientRect();
    hwinpos = framerect.left;
    vwinpos = framerect.top;
  }

  var panelRect = panel.getBoundingClientRect();
  var anchorRect = anchor.getBoundingClientRect();
  var labelRect = $("panellabel").getBoundingClientRect();
  switch (expectedSide) {
    case "top":
      ok(labelRect.top > vwinpos + anchorRect.bottom * zoomFactor + 5, "panel label is below");
      break;
    case "bottom":
      ok(labelRect.bottom < vwinpos + anchorRect.top * zoomFactor - 5, "panel label is above");
      break;
    case "left":
      ok(labelRect.left > hwinpos + anchorRect.right * zoomFactor + 5, "panel label is right");
      break;
    case "right":
      ok(labelRect.right < hwinpos + anchorRect.left * zoomFactor - 5, "panel label is left");
      break;
  }

  let iscentered = false;
  if (expectedAnchorEdge.indexOf("center ") == 0) {
    expectedAnchorEdge = expectedAnchorEdge.substring(7);
    iscentered = true;
  }

  switch (expectedAnchorEdge) {
    case "top":
      adj = vwinpos + parseInt(getComputedStyle(panel, "").marginTop);
      if (iscentered)
        adj += anchorRect.height / 2;
      is(Math.round(panelRect.top), Math.round(anchorRect.top * zoomFactor +  + adj), "anchored on top");
      break;
    case "bottom":
      adj = vwinpos + parseInt(getComputedStyle(panel, "").marginBottom);
      if (iscentered)
        adj += anchorRect.height / 2;
      is(Math.round(panelRect.bottom), Math.round(anchorRect.bottom * zoomFactor +  - adj), "anchored on bottom");
      break;
    case "left":
      adj = hwinpos + parseInt(getComputedStyle(panel, "").marginLeft);
      if (iscentered)
        adj += anchorRect.width / 2;
      is(Math.round(panelRect.left), Math.round((anchorRect.left * zoomFactor + adj)), "anchored on left ");
      break;
    case "right":
      adj = hwinpos + parseInt(getComputedStyle(panel, "").marginRight);
      if (iscentered)
        adj += anchorRect.width / 2;
      is(Math.round(panelRect.right), Math.round(anchorRect.right * zoomFactor +  - adj), "anchored on right");
      break;
  }

  is(anchor, expectedAnchor, "anchor");

  var arrow = document.getAnonymousElementByAttribute(panel, "anonid", "arrow");
  is(arrow.getAttribute("side"), expectedSide, "panel arrow side");
  is(arrow.hidden, false, "panel hidden");
  is(arrow.parentNode.pack, expectedPack, "panel arrow pack");

  panel.hidePopup();
}

function checkBigPanel(panel)
{
  ok(panel.firstChild.getBoundingClientRect().height < 2800, "big panel height");
  panel.hidePopup();
}

SimpleTest.waitForFocus(startTest);

]]>
</script>

<body xmlns="http://www.w3.org/1999/xhtml"/>

</window>