chromium/third_party/blink/web_tests/external/wpt/uievents/order-of-events/mouse-events/mousemove-across.html

<!doctype html>
<meta charset="utf-8">
<title>Mousemove handling across elements</title>
<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="/uievents/resources/eventrecorder.js"></script>
<style>
#a {
  background: red;
  height: 120px;
  width: 200px;
}
#b {
  margin: 100px;
  height: 120px;
  width: 200px;
  background: green;
}
#c {
  height: 120px;
  width: 200px;
  background: yellow;
}

#a1 {
  background: blue;
  height: 120px;
  width: 200px;
}
#b1 {
  padding: 1px;
  margin: 100px;
  height: 120px;
  width: 200px;
  background: green;
}
#c1 {
  height: 120px;
  width: 200px;
  background: black;
}
</style>
<p>
  Steps:
  <ol>
    <li>Move your mouse across the yellow/red <code>&lt;div&gt;</code> element quickly from right to left.
    <li>Move your mouse across the black/blue <code>&lt;div&gt;</code> element quickly from right to left.
    <li>If the test fails, redo it again and move faster on the black/blue <code>&lt;div&gt;</code> element next time.
  </ol>
</p>

<div id="c">
  <div id="b">
    <div id="a" align="center"></div>
  </div>
</div>
<br />
<div id="c1">
  <div id="b1">
    <div id="a1" align="center"></div>
  </div>
</div>

<script>
setup({explicit_timeout: true});
var relevantEvents = [
  "mousemove",
  "mouseover",
  "mouseenter",
  "mouseout",
  "mouseleave"
];

function stopPropagation(e) {
  event.stopPropagation();
}

window.onload = async function() {
  var a = document.getElementById("a");
  var b = document.getElementById("b");
  var c = document.getElementById("c");
  var a1 = document.getElementById("a1");
  var b1 = document.getElementById("b1");
  var c1 = document.getElementById("c1");
  var inputs = [a, b, c, a1, b1, c1];
  EventRecorder.configure({
      mergeEventTypes: ["mousemove"],
      objectMap: {
         "a": a,
         "b": b,
         "c": c,
         "a1": a1,
         "b1": b1,
         "c1": c1
      }
    });
  EventRecorder.addEventListenersForNodes(relevantEvents, inputs, stopPropagation);
  var expected = [
    {type: "mouseover", target: "a"},
    {type: "mouseenter", target: "c"},
    {type: "mouseenter", target: "b"},
    {type: "mouseenter", target: "a"},
    {type: "mousemove", target: "a", optional: true},
    {type: "mouseout", target: "a"},
    {type: "mouseleave", target: "a"},
    {type: "mouseleave", target: "b"},
    {type: "mouseover", target: "c"},
    {type: "mousemove", target: "c", optional: true},
    {type: "mouseout", target: "c"},
    {type: "mouseleave", target: "c"},
    {type: "mouseover", target: "a1"},
    {type: "mouseenter", target: "c1"},
    {type: "mouseenter", target: "b1"},
    {type: "mouseenter", target: "a1"},
    {type: "mousemove", target: "a1", optional: true},
    {type: "mouseout", target: "a1"},
    {type: "mouseleave", target: "a1"},
    {type: "mouseleave", target: "b1"},
    {type: "mouseover", target: "c1"},
    {type: "mousemove", target: "c1", optional: true},
    {type: "mouseout", target: "c1"},
    {type: "mouseleave", target: "c1"},
  ];
  async_test(function(t) {
    c1.addEventListener("mouseleave", function() {
      t.step(function() {
        assert_true(EventRecorder.checkRecords(expected));
        t.done();
      });
    }, false);
  }, "Mousemove events across elements should fire in the correct order.");
  EventRecorder.start();

  var a_rect = a.getClientRects()[0];
  var c_rect = c.getClientRects()[0];
  var center_a_x = Math.round((a_rect.left + a_rect.right) / 2);
  var center_a_y = Math.round((a_rect.top + a_rect.bottom) / 2);

  var a1_rect = a1.getClientRects()[0];
  var c1_rect = c1.getClientRects()[0];
  var center_a1_x = Math.round((a1_rect.left + a1_rect.right) / 2);
  var center_a1_y = Math.round((a1_rect.top + a1_rect.bottom) / 2);
  // Inject mouse inputs.
  await new test_driver.Actions()
      .pointerMove(a_rect.right + 20, center_a_y)
      .pointerMove(center_a_x, center_a_y)
      .pointerMove(a_rect.left + 20, center_a_y)
      .pointerMove(a_rect.left - 20, center_a_y)
      .pointerMove(c_rect.left + 20, center_a_y)
      .pointerMove(0, center_a_y)
      .pointerMove(a1_rect.right + 20, center_a1_y)
      .pointerMove(center_a1_x, center_a1_y)
      .pointerMove(a1_rect.left + 20, center_a1_y)
      .pointerMove(a1_rect.left - 20, center_a1_y)
      .pointerMove(c1_rect.left + 20, center_a1_y)
      .pointerMove(0, center_a1_y)
      .send();
};
</script>