<!doctype html>
<html>
<head>
<title>The pointerout event should not be fired if the pointer doesn't move</title>
<meta name="viewport" content="width=device-width">
<link rel="help" href="https://github.com/w3c/pointerevents/issues/457">
<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>
#target{
  width:100px;
  height:100px;
  background-color:red;
}

#overlay{
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: rgba(0,0,0,0.2);
  z-index: 1000;
  text-align: center;
  display:none;
}
</style>
</head>
<body>
<h1>The pointerout event should not be fired if the pointer doesn't move</h1>
<h4>
  Test Description: This test checks if the pointerout event dispatched unexpectedly.
  <ol>
    <li>Click on the black rectangle.
    <li>Don't move mouse after clicking.
  </ol>
</h4>
<p>
<div id="target"></div>
<div id="overlay"></div>
<div id="log"></div>
<script>
function waitForAnimationFrame() {
  return new Promise(resolve => {
    requestAnimationFrame(() => {
      requestAnimationFrame(resolve);
    });
  });
}

promise_test(async () => {
  const target = document.getElementById("target");

  let out_event_count = 0;
  target.addEventListener("pointerout", function() {
    out_event_count++;
  });

  // Wait for the click event on target element and update display style on
  // overlay element.
  const promise = new Promise(resolve => {
    target.addEventListener("click", async function() {
      const overlay = document.getElementById("overlay");
      overlay.style.display= 'block';
      await waitForAnimationFrame();

      overlay.style.display= 'none'
      await waitForAnimationFrame();

      resolve();
    }, { once: true });
  });

  // Click target.
  test_driver.click(target);
  await promise;

  assert_equals(out_event_count, 0, "The pointerout event should not be fired");
}, "The pointerout event should not be fired if the pointer doesn't move");
</script>
</body>
</html>
