mozilla-central/testing/web-platform/tests/pointerevents/pointerevent_setpointercapture_to_same_element_twice.html

Source code

Revision control

Copy as Markdown

Other Tools

Test Info:

<!DOCTYPE HTML>
<title>Repeated setPointerCapture calls on the capturing element</title>
<meta name="variant" content="?mouse">
<meta name="variant" content="?pen">
<meta name="variant" content="?touch">
<meta name="viewport" content="width=device-width">
<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>
<style>
div {
width: 50px;
height: 50px;
touch-action: none;
user-select: none;
}
</style>
<div id="target"></div>
<div id="other"></div>
<div id="done"></div>
<script>
'use strict';
const pointer_type = location.search.substring(1);
const target = document.getElementById("target");
const other = document.getElementById("other");
const done = document.getElementById("done");
let event_log = [];
function logEvent(e) {
if (e.type === "pointermove" && e.buttons == 0) {
// Move events w/o button pressed are irrelevant, and could be noisy too.
return;
}
event_log.push(e.type + "@" + e.target.id);
}
const logged_events = [
"pointerdown", "pointermove", "pointerup", "gotpointercapture", "lostpointercapture"
];
logged_events.forEach(ename => {
[target, other].forEach(div => div.addEventListener(ename, logEvent));
});
target.addEventListener("pointerdown", e => {
other.setPointerCapture(e.pointerId);
});
const expected_events = [
"pointerdown@target", "gotpointercapture@other",
"pointermove@other", "pointerup@other",
"lostpointercapture@other"
];
promise_test(async () => {
event_log = [];
target.addEventListener("pointermove", e => {
target.setPointerCapture(e.pointerId);
});
let done_click_promise = getEvent("click", done);
let actions = new test_driver.Actions()
.addPointer("TestPointer", pointer_type)
.pointerMove(0, 0, {origin: target})
.pointerDown()
.pointerMove(10, 10, {origin: target})
.pointerUp()
.pointerMove(0, 0, {origin: done})
.pointerDown()
.pointerUp();
await actions.send();
await done_click_promise;
assert_array_equals(event_log, expected_events, "events received");
}, "A repeated setPointerCapture call does not redispatch capture events");
promise_test(async () => {
event_log = [];
target.addEventListener("pointermove", e => {
try {
// Pick a non-existent random pointerId to force this call to fail.
other.setPointerCapture(e.pointerId + 4321);
} catch (error) {}
});
let done_click_promise = getEvent("click", done);
let actions = new test_driver.Actions()
.addPointer("TestPointer", pointer_type)
.pointerMove(0, 0, {origin: target})
.pointerDown()
.pointerMove(10, 10, {origin: target})
.pointerUp()
.pointerMove(0, 0, {origin: done})
.pointerDown()
.pointerUp();
await actions.send();
await done_click_promise;
assert_array_equals(event_log, expected_events, "events received");
}, "A failed setPointerCapture call does not affect existing capture");
</script>