| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <title>querySelectorAll should still work on DocumentFragments after they are modified</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <!-- Regression test for https://github.com/jsdom/jsdom/issues/2290 --> |
| |
| <script> |
| "use strict"; |
| |
| setup({ single_test: true }); |
| |
| const frag = document.createDocumentFragment(); |
| frag.appendChild(document.createElement("div")); |
| |
| assert_array_equals(frag.querySelectorAll("img"), [], "before modification"); |
| |
| frag.appendChild(document.createElement("div")); |
| |
| // If the bug is present, this will throw. |
| assert_array_equals(frag.querySelectorAll("img"), [], "after modification"); |
| |
| done(); |
| </script> |
