loaf-pointer-without-render.html | Explore in Territory

<!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>

chromium/third_party/blink/web_tests/external/wpt/long-animation-frame/tentative/loaf-pointer-without-render.html