| <!DOCTYPE html> |
| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| <p>This tests for an ASSERTion failure when setting the main frame's selection inside a node in a subframe.</p> |
| <iframe srcdoc="<body contenteditable='true'>hello world</body>" onload="onloadiframe();"></iframe> |
| <script> |
| var tester = async_test(); |
| function onloadiframe() { |
| const iframe = document.querySelector("iframe"); |
| const body = iframe.contentDocument.body; |
| iframe.focus(); |
| iframe.contentDocument.addEventListener('selectionchange', ()=> { |
| assert_equals(iframe.contentWindow.getSelection().anchorNode, body); |
| tester.done(); |
| }); |
| // This should not crash. |
| iframe.contentWindow.getSelection().setBaseAndExtent(body, 0, body, body.childNodes.length); |
| } |
| </script> |
