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Test Info:

<!doctype html>
<title>setPointerCapture() to the element which already captured the pointer</title>
<meta name="viewport" content="width=device-width">
<link rel="stylesheet" type="text/css" href="pointerevent_styles.css">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-actions.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<script src="pointerevent_support.js"></script>
<script type="text/javascript">
var actions_promise;
var detected_pointertypes = {};
var test_setPointerCapture = async_test("setPointerCapture: set to the element which already captured the pointer");
var got_pointer_capture = false;
function run() {
var target0 = document.getElementById("target0");
var target1 = document.getElementById("target1");
on_event(target0, "pointerdown", function (event) {
detected_pointertypes[event.pointerType] = true;
on_event(target0, "gotpointercapture", function (event) {
test_setPointerCapture.step(function () {
assert_equals(got_pointer_capture, false, "Target0 should receive gotpointercapture at the first time it captured the pointer");
assert_equals(target0.hasPointerCapture(event.pointerId), true, "Target 0 received gotpointercapture, target0.hasPointerCapture should be true");
got_pointer_capture = true;
test_setPointerCapture.step(function () {
assert_equals(target0.hasPointerCapture(event.pointerId), true, "Set capture to target0, target0.hasPointerCapture should be true");
assert_equals(target1.hasPointerCapture(event.pointerId), false, "Set capture to target0, target1.hasPointerCapture should be false");
on_event(target0, "pointerup", function (event) {
// Make sure the test finishes after all the input actions are completed.
actions_promise.then( () => {
// Inject mouse inputs.
actions_promise = new test_driver.Actions()
.pointerMove(0, 0, {origin: target0})
.pointerMove(10, 10, {origin: target0})
<body onload="run()">
<h1>Pointer Event: setPointerCapture to the element which already captured the pointer</h1>
<h4>Test Description:
When the setPointerCapture method is invoked, if the target element had already captured the pointer, it should not trigger any gotpointercapture or lostpointercapture event
<li>Press and hold left mouse button over black box
<li>Move mouse and release mouse button
<div id="target0" touch-action:none></div>
<div id="target1" touch-action:none></div>
<div id="complete-notice">
<p>The following pointer types were detected: <span id="pointertype-log"></span>.</p>
<div id="log"></div>