sky/tests/layout/clipping-elementFromPoint.sky

<style>
toolbar {
  background: yellow;
  width: 50px;
  height: 50px;
}
scrollable {
  overflow: hidden;
  height: 400px;
  background: red;
}
content {
  height: 400px;
  background-color: pink;
  transform: translateY(-100px);
}
</style>
<toolbar>toolbar</toolbar>
<scrollable><content>content</content></scrollable>
<script>
import "../resources/third_party/unittest/unittest.dart";
import "../resources/unit.dart";

import "dart:async";
import "dart:sky";

void main() {
  initUnit();

  test("should hit test toolbar", () {
    expect(document.elementFromPoint(10, 10).textContent, equals("toolbar"));
  });

  test("should hit test toolbar when transformed, but clipped element overlaps", () {
    document.querySelector("scrollable").style["transform"] = "translate(0, 0)";
    expect(document.elementFromPoint(10, 10).textContent, equals("toolbar"));
  });
}
</script>