| <!DOCTYPE html> |
| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| <div contenteditable="true">foo</div> |
| <script> |
| test(() => { |
| // Note that this test can be removed when crbug.com/690272 is fixed. |
| let selection = getSelection(); |
| let editor = document.querySelector('div'); |
| editor.addEventListener('focus', () => { selection.removeAllRanges(); }); |
| selection.collapse(editor, 0); |
| assert_throws_dom('InvalidStateError', () => { selection.extend(editor, 1);}); |
| }, 'Focus event handler should not make inconsistent state of Selection, and extend() should not crash.'); |
| </script> |
| </body> |
