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<!doctype html>
<title>Set/Release capture + relatedTarget</title>
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<h1>Pointer Events Capture Test - capture and relatedTarget</h1>
Test Description: This test checks if setCapture/releaseCapture functions works properly. Complete the following actions:
<li> Put your mouse over the lower rectangle. pointerover should be received for the purple rectangle
<li> Press and hold left mouse button over "Set Capture" button
<li> Put your mouse over the upper rectangle. pointerover should be received for the black rectangle
<li> Release left mouse button to complete the test.
Test passes if the proper behavior of the events is observed.
<div id="target0" style="background:black; color:white"></div>
<div id="target1" style="background:purple; color:white"></div>
<input type="button" id="btnCapture" value="Set Capture">
<script type='text/javascript'>
var isPointerCapture = false;
var isPointeroverGot = false;
var count=0;
var detected_pointertypes = {};
var target0 = document.getElementById('target0');
var target1 = document.getElementById('target1');
var captureButton = document.getElementById('btnCapture');
setup({ explicit_done: true });
window.onload = function() {
on_event(captureButton, 'pointerdown', function(e) {
if(isPointerCapture == false) {
isPointerCapture = true;
else {
isPointerCapture = false;
on_event(target0, 'gotpointercapture', function(e) {
log("gotpointercapture", document.getElementById('target0'));
on_event(target0, 'lostpointercapture', function(e) {
log("lostpointercapture", document.getElementById('target0'));
isPointerCapture = false;
function run() {
// After invoking the setPointerCapture method on an element, subsequent pointer events for the specified pointer must be targeted at that element.
// Additionally, the relatedTarget property of all such pointer events must be set to null.
// TA: 13.3
on_event(target0, "pointerover", function (event) {
log("pointerover", document.getElementById('target0'));
if(isPointerCapture && isPointeroverGot) {
test(function() {
assert_true(event.relatedTarget==null, "relatedTarget is null when the capture is set")
}, "relatedTarget is null when the capture is set. relatedTarget is " + event.relatedTarget);
on_event(target1, "pointerover", function (event) {
detected_pointertypes[ event.pointerType ] = true;
if(!isPointeroverGot) {
test(function() {
assert_true(isPointerCapture==false, "pointerover shouldn't trigger for this target when capture is enabled");
}, "pointerover shouldn't trigger for the purple rectangle while the black rectangle has capture");
isPointeroverGot = true;
log("pointerover", document.getElementById('target1'));
<h1>Pointer Events Capture Test</h1>
<div id="complete-notice">
<p>Test complete: Scroll to Summary to view Pass/Fail Results.</p>
<p>The following pointer types were detected: <span id="pointertype-log"></span>.</p>
<p>Refresh the page to run the tests again with a different pointer type.</p>
<div id="log"></div>