test_bug741666.html

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https://bugzilla.mozilla.org/show_bug.cgi?id=741666

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<head>

  <title>Test for Bug 741666</title>

  <script src="/tests/SimpleTest/SimpleTest.js"></script>

  <script src="/tests/SimpleTest/EventUtils.js"></script>

  <script src="/tests/SimpleTest/paint_listener.js"></script>

  <script src="/tests/gfx/layers/apz/test/mochitest/apz_test_utils.js"></script>

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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=741666">Mozilla Bug 741666</a>

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

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

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<pre id="test">

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

/** Test for Bug 306008 - Touch events with a reference held should retain their touch lists **/

let tests = [], testTarget, parent;

let touch = {

  id: 0,

  point: {x: 0, y: 0},

  radius: {x: 0, y: 0},

  rotation: 0,

  force: 0.5,

  target: null

function nextTest() {

  if (tests.length)

    SimpleTest.executeSoon(tests.shift());

function checkEvent(aFakeEvent, aTouches) {

  return function(aEvent, aTrusted) {

    is(aFakeEvent.ctrlKey, aEvent.ctrlKey, "Correct ctrlKey");

    is(aFakeEvent.altKey, aEvent.altKey, "Correct altKey");

    is(aFakeEvent.shiftKey, aEvent.shiftKey, "Correct shiftKey");

    is(aFakeEvent.metaKey, aEvent.metaKey, "Correct metaKey");

    is(aEvent.isTrusted, aTrusted, "Event is trusted");

    checkTouches(aFakeEvent[aTouches], aEvent[aTouches]);

function checkTouches(aTouches1, aTouches2) {

  is(aTouches1.length, aTouches2.length, "Correct touches length");

  for (var i = 0; i < aTouches1.length; i++) {

    checkTouch(aTouches1[i], aTouches2[i]);

function checkTouch(aFakeTouch, aTouch) {

  is(aFakeTouch.identifier, aTouch.identifier, "Touch has correct identifier");

  is(aFakeTouch.target, aTouch.target, "Touch has correct target");

  is(aFakeTouch.page.x, aTouch.pageX, "Touch has correct pageX");

  is(aFakeTouch.page.y, aTouch.pageY, "Touch has correct pageY");

  is(aFakeTouch.page.x + Math.round(window.mozInnerScreenX), aTouch.screenX, "Touch has correct screenX");

  is(aFakeTouch.page.y + Math.round(window.mozInnerScreenY), aTouch.screenY, "Touch has correct screenY");

  is(aFakeTouch.page.x, aTouch.clientX, "Touch has correct clientX");

  is(aFakeTouch.page.y, aTouch.clientY, "Touch has correct clientY");

  is(aFakeTouch.radius.x, aTouch.radiusX, "Touch has correct radiusX");

  is(aFakeTouch.radius.y, aTouch.radiusY, "Touch has correct radiusY");

  is(aFakeTouch.rotationAngle, aTouch.rotationAngle, "Touch has correct rotationAngle");

  is(aFakeTouch.force, aTouch.force, "Touch has correct force");

function sendTouchEvent(windowUtils, aType, aEvent, aModifiers) {

  var ids = [], xs=[], ys=[], rxs = [], rys = [],

      rotations = [], forces = [], tiltXs = [], tiltYs = [], twists = [];

  for (var touchType of ["touches", "changedTouches", "targetTouches"]) {

    for (var i = 0; i < aEvent[touchType].length; i++) {

      if (!ids.includes(aEvent[touchType][i].identifier)) {

        ids.push(aEvent[touchType][i].identifier);

        xs.push(aEvent[touchType][i].page.x);

        ys.push(aEvent[touchType][i].page.y);

        rxs.push(aEvent[touchType][i].radius.x);

        rys.push(aEvent[touchType][i].radius.y);

        rotations.push(aEvent[touchType][i].rotationAngle);

        forces.push(aEvent[touchType][i].force);

        tiltXs.push(0);

        tiltYs.push(0);

        twists.push(0);

  return windowUtils.sendTouchEvent(aType,

                                    ids, xs, ys, rxs, rys,

                                    rotations, forces, tiltXs, tiltYs, twists,

                                    aModifiers, 0);

function touchEvent(aOptions) {

  if (!aOptions) {

    aOptions = {};

  this.ctrlKey = aOptions.ctrlKey || false;

  this.altKey = aOptions.altKey || false;

  this.shiftKey = aOptions.shiftKey || false;

  this.metaKey = aOptions.metaKey || false;

  this.touches = aOptions.touches || [];

  this.targetTouches = aOptions.targetTouches || [];

  this.changedTouches = aOptions.changedTouches || [];

function testtouch(aOptions) {

  if (!aOptions)

    aOptions = {};

  this.identifier = aOptions.identifier || 0;

  this.target = aOptions.target || 0;

  this.page = aOptions.page || {x: 0, y: 0};

  this.radius = aOptions.radius || {x: 0, y: 0};

  this.rotationAngle = aOptions.rotationAngle || 0;

  this.force = aOptions.force || 1;

function testPreventDefault(name) {

  let cwu = SpecialPowers.getDOMWindowUtils(window);

  let target = document.getElementById("testTarget");

  let bcr = target.getBoundingClientRect();

  let touch1 = new testtouch({

    page: {x: Math.round(bcr.left + bcr.width/2),

           y: Math.round(bcr.top  + bcr.height/2)},

    target

});

  let event = new touchEvent({

    touches: [touch1],

    targetTouches: [touch1],

    changedTouches: [touch1]

});

  // test touchstart event fires correctly

  var checkTouchesEvent = checkEvent(event, "touches");

  var checkTargetTouches = checkEvent(event, "targetTouches");

  /* This is the heart of the test. Verify that the touch event

     looks correct both in and outside of a setTimeout */

  window.addEventListener("touchstart", function(firedEvent) {

    checkTouchesEvent(firedEvent, true);

    setTimeout(function() {

      checkTouchesEvent(firedEvent, true);

      checkTargetTouches(firedEvent, true);

      event.touches = [];

      event.targetTouches = [];

      sendTouchEvent(cwu, "touchend", event, 0);

      nextTest();

    }, 0);

});

  sendTouchEvent(cwu, "touchstart", event, 0);

async function doTest() {

  await promiseApzFlushedRepaints();

  await waitUntilApzStable();

  tests.push(testPreventDefault);

  tests.push(function() {

    SimpleTest.finish();

});

  nextTest();

SimpleTest.waitForExplicitFinish();

addLoadEvent(doTest);

</script>

</pre>

<div id="parent">

  <span id="testTarget" style="margin-left: 200px; padding: 5px; border: 1px solid black;">testTarget</span>

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