test_bug967796.html

<!DOCTYPE HTML>

<html>

<!--

https://bugzilla.mozilla.org/show_bug.cgi?id=967796

-->

<head>

  <title>Test for Bug 967796</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=967796">Mozilla Bug 967796</a>

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

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

</div>

<pre id="test">

<script type="application/javascript">

/** Test for Bug 967796 **/

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 pointerentercount = 0;

var pointerleavecount = 0;

var pointerovercount = 0;

var pointeroutcount = 0;

function sendMouseEventToElement(t, elem) {

  var r = elem.getBoundingClientRect();

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

var expectedPointerEnterTargets = [];

var expectedPointerLeaveTargets = [];

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");

  iframe.addEventListener("pointerenter", penter);

  iframe.addEventListener("pointerleave", pleave);

  iframe.addEventListener("pointerout", pout);

  iframe.addEventListener("pointerover", pover);

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

  sendMouseEventToElement("mousemove", outside);

  pointerentercount = 0;

  pointerleavecount = 0;

  pointerovercount = 0;

  pointeroutcount = 0;

  checkRelatedTarget = true;

  expectedRelatedEnter = outside;

  expectedRelatedLeave = inner;

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

  sendMouseEventToElement("mousemove", inner);

  is(pointerentercount, 3, "Unexpected pointerenter event count!");

  is(pointerovercount, 1, "Unexpected pointerover event count!");

  is(pointeroutcount, 0, "Unexpected pointerout event count!");

  is(pointerleavecount, 0, "Unexpected pointerleave event count!");

  expectedRelatedEnter = inner;

  expectedRelatedLeave = outside;

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

  sendMouseEventToElement("mousemove", outside);

  is(pointerentercount, 3, "Unexpected pointerenter event count!");

  is(pointerovercount, 1, "Unexpected pointerover event count!");

  is(pointeroutcount, 1, "Unexpected pointerout event count!");

  is(pointerleavecount, 3, "Unexpected pointerleave 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(pointerentercount, 4, "Unexpected pointerenter event count!");

  is(pointerovercount, 2, "Unexpected pointerover event count!");

  is(pointeroutcount, 1, "Unexpected pointerout event count!");

  is(pointerleavecount, 3, "Unexpected pointerleave event count!");

  // Moving pointer over type="file" shouldn't cause pointerover/out/enter/leave events

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

  is(pointerentercount, 4, "Unexpected pointerenter event count!");

  is(pointerovercount, 2, "Unexpected pointerover event count!");

  is(pointeroutcount, 1, "Unexpected pointerout event count!");

  is(pointerleavecount, 3, "Unexpected pointerleave event count!");

  expectedRelatedEnter = file;

  expectedRelatedLeave = outside;

  sendMouseEventToElement("mousemove", outside);

  is(pointerentercount, 4, "Unexpected pointerenter event count!");

  is(pointerovercount, 2, "Unexpected pointerover event count!");

  is(pointeroutcount, 2, "Unexpected pointerout event count!");

  is(pointerleavecount, 4, "Unexpected pointerleave 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.onpointerenter = penter;

  iframe.contentDocument.body.firstChild.onpointerleave = pleave;

  iframe.contentDocument.body.lastChild.onpointerenter = penter;

  iframe.contentDocument.body.lastChild.onpointerleave = pleave;

  r = iframe.getBoundingClientRect();

  expectedRelatedEnter = outside;

  expectedRelatedLeave = iframe;

  // Move pointer inside the iframe.

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

                  iframe.contentWindow);

  is(pointerentercount, 6, "Unexpected pointerenter event count!");

  is(pointerleavecount, 4, "Unexpected pointerleave event count!");

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

                  iframe.contentWindow);

  is(pointerentercount, 7, "Unexpected pointerenter event count!");

  is(pointerleavecount, 5, "Unexpected pointerleave event count!");

  expectedRelatedEnter = iframe;

  expectedRelatedLeave = outside;

  sendMouseEventToElement("mousemove", outside);

  is(pointerentercount, 7, "Unexpected pointerenter event count!");

  is(pointerleavecount, 7, "Unexpected pointerleave event count!");

  // pointerdown must produce pointerenter event

  expectedRelatedEnter = outside;

  expectedRelatedLeave = iframe;

  // Move pointer inside the iframe.

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

                  iframe.contentWindow);

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

                  iframe.contentWindow);

  is(pointerentercount, 10, "Unexpected pointerenter event count!");

  // pointerdown + pointermove must produce single pointerenter event

  expectedRelatedEnter = outside;

  expectedRelatedLeave = iframe;

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

                  iframe.contentWindow);

  synthesizeMouse(iframe.contentDocument.body, r.width / 2 + 1, r.height / 4 + 1, {type: "mousemove"},

                  iframe.contentWindow);

  is(pointerentercount, 11, "Unexpected pointerenter event count!");

  Array.from(document.querySelectorAll('*'))

    .concat([iframe.contentDocument.body.firstChild, iframe.contentDocument.body.lastChild])

    .forEach((elt) => {

      elt.onpointerenter = null;

      elt.onpointerleave = null;

      elt.onpointerenter = null;

      elt.onpointerleave = null;

});

  SimpleTest.finish();

function penter(evt) {

  ++pointerentercount;

  evt.stopPropagation();

  if (expectedPointerEnterTargets.length) {

    var t = expectedPointerEnterTargets.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 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 (pointerenter)");

function pleave(evt) {

  ++pointerleavecount;

  evt.stopPropagation();

  if (expectedPointerLeaveTargets.length) {

    var t = expectedPointerLeaveTargets.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 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 (pointerleave)");

function pover(evt) {

  ++pointerovercount;

  evt.stopPropagation();

function pout(evt) {

  ++pointeroutcount;

  evt.stopPropagation();

</script>

</pre>

<div id="container" onpointerenter="penter(event)" onpointerleave="pleave(event)"

                    onpointerout="pout(event)" onpointerover="pover(event)">

  <div id="outside" onpointerout="event.stopPropagation()" onpointerover="event.stopPropagation()">foo</div>

  <div id="outertest" onpointerenter="penter(event)" onpointerleave="pleave(event)"

                      onpointerout="pout(event)" onpointerover="pover(event)">

    <div id="middletest" onpointerenter="penter(event)" onpointerleave="pleave(event)"

                         onpointerout="pout(event)" onpointerover="pover(event)">

      <div id="innertest" onpointerenter="penter(event)" onpointerleave="pleave(event)"

                          onpointerout="pout(event)" onpointerover="pover(event)">foo</div>

    </div>

  </div>

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

         onpointerenter="penter(event)" onpointerleave="pleave(event)"

         onpointerout="pout(event)" onpointerover="pover(event)">

  <br>

  <iframe id="iframe" width="50" height="50"></iframe>

</div>

</body>

</html>

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