sky/tests/editing/delete_block_contents.sky

<sky>
This test verifies that the height of an editable block remains the same after adding block elements and removing them.
<div contenteditable="true" style="border: solid blue" id="test"></div>
<script>
import "../resources/third_party/unittest/unittest.dart";
import "../resources/unit.dart";

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

void main() {
  initUnit();

  test("remains the same after adding block elements and removing them", () {
    var elem = document.getElementById("test");
    var originalHeight = elem.offsetHeight;
    var d = elem.appendChild(document.createElement('div'));
    d.appendChild(new Text('aaa'));
    d = elem.appendChild(document.createElement('div'));
    d.appendChild(new Text('bbb'));
    var newHeight = elem.offsetHeight;

    elem.removeChildren();

    new Timer(Duration.ZERO, expectAsync(() {
      expect(elem.offsetHeight, equals(originalHeight));
    }));
  });
}
</script>
</sky>