| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <title>TreeWalker: NodeFilter from detached iframe works as expected</title> |
| <link rel="help" href="https://dom.spec.whatwg.org/#ref-for-call-a-user-objects-operation%E2%91%A0"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| |
| <body> |
| <script> |
| const t = async_test(); |
| |
| const iframe = document.createElement("iframe"); |
| iframe.src = "support/TreeWalker-acceptNode-filter-cross-realm-null-browsing-context-subframe.html"; |
| iframe.onload = t.step_func_done(() => { |
| const nodeIterator = iframe.contentWindow.createNodeIterator(); |
| iframe.remove(); |
| |
| assert_equals(iframe.contentWindow, null); |
| assert_equals(nodeIterator.nextNode(), document.body); |
| assert_true(nodeIterator.dummyFilterCalled); |
| }); |
| |
| document.body.append(iframe); |
| </script> |
