pinch-zoom-use-count.html | Explore in Territory

<!DOCTYPE html>
<script src="../../../../../resources/testharness.js"></script>
<script src="../../../../../resources/testharnessreport.js"></script>
<script src='../../../../../resources/gesture-util.js'></script>
<style>
  body, html {
    width: 100%;
    height: 100%;
    margin: 0;
  }
  div {
    width: 50%;
    height: 50%;
    position: absolute;
    left: 25%;
    top: 25%;
    background-color: green;
  }
</style>
<div></div>
<script>
  var PINCH_ZOOM_COUNTER = 2920;

  promise_test(async () => {
    await pinchBy(2, 400, 300, SPEED_INSTANT, GestureSourceType.MOUSE_INPUT);
    assert_true(internals.isUseCounted(document, PINCH_ZOOM_COUNTER));
  }, "Pinch zoom should update UseCounter.");
</script>

chromium/third_party/blink/web_tests/virtual/threaded/fast/events/pinch/pinch-zoom-use-count.html