| <!DOCTYPE html> |
| <html> |
| <body> |
| <script src="../../resources/js-test.js"></script> |
| <script> |
| |
| description(`This tests re-parenting a child of the document fragment during an insertion so as to create a circular node tree.<br> |
| WebKit should detect this case and throw HierarchyRequestError.`); |
| |
| fragment = document.createDocumentFragment(); |
| container = document.createElement('div'); |
| refChild = container.appendChild(document.createElement('section')); |
| child = fragment.appendChild(document.createElement('div')); |
| childShadowRoot = child.attachShadow({mode: 'closed'}); |
| fragment.addEventListener('DOMSubtreeModified', function() { |
| childShadowRoot.appendChild(container); |
| }); |
| |
| shouldThrowErrorName(`container.insertBefore(fragment, refChild)`, 'HierarchyRequestError'); |
| shouldBe('container.parentNode', 'childShadowRoot'); |
| shouldBe('child.parentNode', 'null'); |
| |
| </script> |
| </body> |
| </html> |
