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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Click targets the nearest common ancestor</title>
<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>
<style>
div {
padding: 10px;
margin: 5px;
}
a {
background: grey;
}
</style>
</head>
<body id='body'>
<h1>Click targeting when targets of down and up are child and parents</h1>
This test verifies that click event always goes to the first common ancestor of down and up event targets.
<ul>
<li>Press down the primary button on link 1 and move onto green container and release.</li>
<li>Press down the primary button on red container and move onto link 2 and release.</li>
<li>Click done.</li>
</ul>
<div id="link_container1" style="background: green">
<a id="link1" href="#">link1</a>
</div>
<div id="link_container2" style="background: red">
<a id="link2" href="#">link2</a>
</div>
<button id="done">Done</button>
<script>
var test_click_target = async_test("Click targets the nearest common ancestor");
var actions_promise;
// Prevent drag to avoid interfering with the click.
document.addEventListener('dragstart', (e) => e.preventDefault());
var events = [];
var nodes = ['link_container1', 'link1', 'link_container2', 'link2', 'body'];
for (var i = 0; i < nodes.length; i++) {
['mousedown', 'mouseup', 'click'].forEach((eventName) => {
document.getElementById(nodes[i]).addEventListener(eventName, (e) => {
if (e.eventPhase == Event.AT_TARGET)
events.push(e.type + '@' + e.target.id);
});
});
}
document.getElementById('done').addEventListener('click', () => {
test_click_target.step(() => {
assert_equals (events.join(','),
"mousedown@link1,mouseup@link_container1,click@link_container1,mousedown@link_container2,mouseup@link2,click@link_container2",
"Click should be sent to the nearest common ancestor");
});
// Make sure the test finishes after all the input actions are completed.
actions_promise.then( () => {
test_click_target.done();
});
});
// Inject mouse events.
var actions = new test_driver.Actions();
actions_promise = actions.pointerMove(0, 0, {origin: document.getElementById('link1')})
.pointerDown()
.pointerMove(0, 0, {origin: document.getElementById('link_container1')})
.pointerUp()
.pointerMove(0, 0, {origin: document.getElementById('link_container2')})
.pointerDown()
.pointerMove(0, 0, {origin: document.getElementById('link2')})
.pointerUp()
.pointerMove(0, 0, {origin: document.getElementById('done')})
.pointerDown()
.pointerUp()
.send();
</script>
</body>
</html>
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