Source code
Revision control
Copy as Markdown
Other Tools
Test Info:
- This WPT test may be referenced by the following Test IDs:
- /long-animation-frame/tentative/loaf-pointer-without-render.html - WPT Dashboard Interop Dashboard
<!DOCTYPE HTML>
<meta charset=utf-8>
<title>Long Animation Frame Timing: Pointer event without render in the main frame</title>
<meta name="timeout" content="long">
<script src=/resources/testdriver.js></script>
<script src=/resources/testdriver-actions.js></script>
<script src=/resources/testdriver-vendor.js></script>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/utils.js"></script>
<style>
* {
user-select: none;
}
</style>
<body>
<h1>Test</h1>
<script>
promise_test(async t => {
document.body.addEventListener("pointerdown", () => {
busy_wait(60);
});
const loaf_promise = new Promise(resolve => new PerformanceObserver(entries => {
if (entries.getEntries().some(
e => e.scripts.some(script => script.invoker === "BODY.onpointerdown"))) {
resolve("OK");
}
}).observe({type: "long-animation-frame"}));
const actions = new test_driver.Actions();
await actions.pointerMove(10, 10, {origin: document.body})
.pointerDown()
.pointerUp()
.send();
assert_equals(await loaf_promise, "OK");
}, "Input events should create a LoAF even if they don't generate a frame")
</script>
</body>