mutation-event-for-fragment-insertion.html

<!DOCTYPE html>
<body>
<script src="../../resources/testharness.js"></script>
<script src="../../resources/testharnessreport.js"></script>
<script>
function createContainerNode(test, expectedLength) {
  var div = document.createElement('div');
  var oldChild = document.createElement('span');
  div.appendChild(oldChild);
  document.body.appendChild(div);
  div.dispatchCount = 0;
  div.addEventListener('DOMNodeInserted', () => {
    assert_equals(div.childNodes.length, expectedLength);
    if (++div.dispatchCount == 2)
      test.done();
  }, false);
  return div;
}

function createFragment() {
  var fragment = document.createDocumentFragment();
  fragment.appendChild(document.createElement('span'));
  fragment.appendChild(document.createElement('span'));
  return fragment;
}

var test1 = async_test('appendChild: DOMNodeInserted event should be dispatched after all nodes in a DocumentFragment were inserted.');
test1.step(() => {
  createContainerNode(test1, 3).appendChild(createFragment());
});

var test2 = async_test('insertBefore: DOMNodeInserted event should be dispatched after all nodes in a DocumentFragment were inserted.');
test2.step(() => {
  createContainerNode(test2, 3).insertBefore(createFragment(), null);
});

var test3 = async_test('replaceChild: DOMNodeInserted event should be dispatched after all nodes in a DocumentFragment were inserted.');
test3.step(() => {
  var div = createContainerNode(test3, 2);
  div.replaceChild(createFragment(), div.firstChild);
});

test(() => {
  var container = document.createElement('div');
  var fragment = createFragment();
  var fragmentLast = fragment.lastChild;
  fragment.addEventListener('DOMNodeRemoved', () => {
    fragmentLast.appendChild(container);
  }, false);
  assert_throws_dom('HierarchyRequestError', () => { container.appendChild(fragment); });
}, 'appendChild: Reparenting in DOMNodeRemoved handler for a DocumentFragment should throw.');

test(() => {
  var container = document.createElement('div');
  container.innerHTML = '<span></span>';
  var fragment = createFragment();
  var fragmentLast = fragment.lastChild;
  fragment.addEventListener('DOMNodeRemoved', () => {
    fragmentLast.appendChild(container);
  }, false);
  assert_throws_dom('HierarchyRequestError', () => { container.insertBefore(fragment, container.lastChild); });
}, 'insertBefore: Reparenting in DOMNodeRemoved handler for a DocumentFragment should throw.');

test(() => {
  var container = document.createElement('div');
  container.innerHTML = '<span></span>';
  var fragment = createFragment();
  var fragmentLast = fragment.lastChild;
  fragment.addEventListener('DOMNodeRemoved', () => {
    fragmentLast.appendChild(container);
  }, false);
  assert_throws_dom('HierarchyRequestError', () => { container.replaceChild(fragment, container.lastChild); });
}, 'replaceChild: Reparenting in DOMNodeRemoved handler for a DocumentFragment should throw.');
</script>
</body>
chromium/third_party/blink/web_tests/fast/dom/mutation-event-for-fragment-insertion.html
