test_bug432698.html

<!DOCTYPE HTML>

<html>

<!--

https://bugzilla.mozilla.org/show_bug.cgi?id=432698

-->

<head>

  <title>Test for Bug 432698</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=432698">Mozilla Bug 432698</a>

<p id="display"></p>

<div id="content" style="display: none">

</div>

<pre id="test">

<script type="application/javascript">

/** Test for Bug 432698 **/

SimpleTest.waitForExplicitFinish();

SimpleTest.waitForFocus(runTests);

var outer;

var middle;

var inner;

var outside;

var container;

var file;

var iframe;

var checkRelatedTarget = false;

var expectedRelatedEnter = null;

var expectedRelatedLeave = null;

var mouseentercount = 0;

var mouseleavecount = 0;

var mouseovercount = 0;

var mouseoutcount = 0;

function sendMouseEvent(t, elem) {

  var r = elem.getBoundingClientRect();

  synthesizeMouse(elem, r.width / 2, r.height / 2, {type: t});

var expectedMouseEnterTargets = [];

var expectedMouseLeaveTargets = [];

function runTests() {

  outer = document.getElementById("outertest");

  middle = document.getElementById("middletest");

  inner = document.getElementById("innertest");

  outside = document.getElementById("outside");

  container = document.getElementById("container");

  file = document.getElementById("file");

  iframe = document.getElementById("iframe");

  // Make sure ESM thinks mouse is outside the test elements.

  sendMouseEvent("mousemove", outside);

  mouseentercount = 0;

  mouseleavecount = 0;

  mouseovercount = 0;

  mouseoutcount = 0;

  checkRelatedTarget = true;

  expectedRelatedEnter = outside;

  expectedRelatedLeave = inner;

  expectedMouseEnterTargets = ["outertest", "middletest", "innertest"];

  sendMouseEvent("mousemove", inner);

  is(mouseentercount, 3, "Unexpected mouseenter event count!");

  is(mouseovercount, 1, "Unexpected mouseover event count!");

  is(mouseoutcount, 0, "Unexpected mouseout event count!");

  is(mouseleavecount, 0, "Unexpected mouseleave event count!");

  expectedRelatedEnter = inner;

  expectedRelatedLeave = outside;

  expectedMouseLeaveTargets = ["innertest", "middletest", "outertest"];

  sendMouseEvent("mousemove", outside);

  is(mouseentercount, 3, "Unexpected mouseenter event count!");

  is(mouseovercount, 1, "Unexpected mouseover event count!");

  is(mouseoutcount, 1, "Unexpected mouseout event count!");

  is(mouseleavecount, 3, "Unexpected mouseleave event count!");

  // Event handling over native anonymous content.

  var r = file.getBoundingClientRect();

  expectedRelatedEnter = outside;

  expectedRelatedLeave = file;

  synthesizeMouse(file, r.width / 6, r.height / 2, {type: "mousemove"});

  is(mouseentercount, 4, "Unexpected mouseenter event count!");

  is(mouseovercount, 2, "Unexpected mouseover event count!");

  is(mouseoutcount, 1, "Unexpected mouseout event count!");

  is(mouseleavecount, 3, "Unexpected mouseleave event count!");

  // Moving mouse over type="file" shouldn't cause mouseover/out/enter/leave events

  synthesizeMouse(file, r.width - (r.width / 6), r.height / 2, {type: "mousemove"});

  is(mouseentercount, 4, "Unexpected mouseenter event count!");

  is(mouseovercount, 2, "Unexpected mouseover event count!");

  is(mouseoutcount, 1, "Unexpected mouseout event count!");

  is(mouseleavecount, 3, "Unexpected mouseleave event count!");

  expectedRelatedEnter = file;

  expectedRelatedLeave = outside;

  sendMouseEvent("mousemove", outside);

  is(mouseentercount, 4, "Unexpected mouseenter event count!");

  is(mouseovercount, 2, "Unexpected mouseover event count!");

  is(mouseoutcount, 2, "Unexpected mouseout event count!");

  is(mouseleavecount, 4, "Unexpected mouseleave event count!");

  // Initialize iframe

  iframe.contentDocument.documentElement.style.overflow = "hidden";

  iframe.contentDocument.body.style.margin = "0px";

  iframe.contentDocument.body.style.width = "100%";

  iframe.contentDocument.body.style.height = "100%";

  iframe.contentDocument.body.innerHTML =

    "<div style='width: 100%; height: 50%; border: 1px solid black;'></div>" +

    "<div style='width: 100%; height: 50%; border: 1px solid black;'></div>";

  iframe.contentDocument.body.offsetLeft; // flush

  iframe.contentDocument.body.firstChild.onmouseenter = menter;

  iframe.contentDocument.body.firstChild.onmouseleave = mleave;

  iframe.contentDocument.body.lastChild.onmouseenter = menter;

  iframe.contentDocument.body.lastChild.onmouseleave = mleave;

  r = iframe.getBoundingClientRect();

  expectedRelatedEnter = outside;

  expectedRelatedLeave = iframe;

  // Move mouse inside the iframe.

  synthesizeMouse(iframe.contentDocument.body, r.width / 2, r.height / 4, {type: "mousemove"},

                  iframe.contentWindow);

  synthesizeMouse(iframe.contentDocument.body, r.width / 2, r.height - (r.height / 4), {type: "mousemove"},

                  iframe.contentWindow);

  is(mouseentercount, 7, "Unexpected mouseenter event count!");

  expectedRelatedEnter = iframe;

  expectedRelatedLeave = outside;

  sendMouseEvent("mousemove", outside);

  is(mouseleavecount, 7, "Unexpected mouseleave event count!");

  checkRelatedTarget = false;

  iframe.contentDocument.body.firstChild.onmouseenter = null;

  iframe.contentDocument.body.firstChild.onmouseleave = null;

  iframe.contentDocument.body.lastChild.onmouseenter = null;

  iframe.contentDocument.body.lastChild.onmouseleave = null;

  container.onmouseenter = null;

  container.onmouseleave = null;

  container.onmouseout = null;

  container.onmouseover = null;

  var children = container.getElementsByTagName('*');

  for (var i=0;i<children.length;i++) {

    children[i].onmouseenter = null;

    children[i].onmouseleave = null;

    children[i].onmouseout = null;

    children[i].onmouseover = null;

  SimpleTest.finish();

function menter(evt) {

  ++mouseentercount;

  evt.stopPropagation();

  if (expectedMouseEnterTargets.length) {

    var t = expectedMouseEnterTargets.shift();

    is(evt.target.id, t, "Wrong event target!");

  is(evt.bubbles, false, evt.type + " should not bubble!");

  is(evt.cancelable, false, evt.type + " is not cancelable!");

  is(evt.target, evt.currentTarget, "Wrong event target!");

  ok(!evt.relatedTarget || evt.target.ownerDocument == evt.relatedTarget.ownerDocument,

     "Leaking nodes to another document?");

  if (checkRelatedTarget && evt.target.ownerDocument == document) {

    is(evt.relatedTarget, expectedRelatedEnter, "Wrong related target (mouseenter)");

function mleave(evt) {

  ++mouseleavecount;

  evt.stopPropagation();

  if (expectedMouseLeaveTargets.length) {

    var t = expectedMouseLeaveTargets.shift();

    is(evt.target.id, t, "Wrong event target!");

  is(evt.bubbles, false, evt.type + " should not bubble!");

  is(evt.cancelable, false, evt.type + " is not cancelable!");

  is(evt.target, evt.currentTarget, "Wrong event target!");

  ok(!evt.relatedTarget || evt.target.ownerDocument == evt.relatedTarget.ownerDocument,

     "Leaking nodes to another document?");

  if (checkRelatedTarget && evt.target.ownerDocument == document) {

    is(evt.relatedTarget, expectedRelatedLeave, "Wrong related target (mouseleave)");

function mover(evt) {

  ++mouseovercount;

  evt.stopPropagation();

function mout(evt) {

  ++mouseoutcount;

  evt.stopPropagation();

</script>

</pre>

<div id="container" onmouseenter="menter(event)" onmouseleave="mleave(event)"

                    onmouseout="mout(event)" onmouseover="mover(event)">

  <div id="outside" onmouseout="event.stopPropagation()" onmouseover="event.stopPropagation()">foo</div>

  <div id="outertest" onmouseenter="menter(event)" onmouseleave="mleave(event)"

                      onmouseout="mout(event)" onmouseover="mover(event)">

    <div id="middletest" onmouseenter="menter(event)" onmouseleave="mleave(event)"

                         onmouseout="mout(event)" onmouseover="mover(event)">

      <div id="innertest" onmouseenter="menter(event)" onmouseleave="mleave(event)"

                          onmouseout="mout(event)" onmouseover="mover(event)">foo</div>

    </div>

  </div>

  <input type="file" id="file"

         onmouseenter="menter(event)" onmouseleave="mleave(event)"

         onmouseout="mout(event)" onmouseover="mover(event)">

  <br>

  <iframe id="iframe" width="50px" height="50px"

          onmouseenter="menter(event)" onmouseleave="mleave(event)"

          onmouseout="mout(event)" onmouseover="mover(event)"></iframe>

</div>

</body>

</html>

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