| This test that setting HTMLSelectElement.length respects optgroups. | |
| On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". | |
| PASS sel.length is 1 | |
| PASS sel.length is 2 | |
| PASS og.childElementCount is 1 | |
| PASS sel.length is 1 | |
| PASS og.childElementCount is 1 | |
| PASS sel.length is 1 | |
| PASS og.childElementCount is 0 | |
| PASS successfullyParsed is true | |
| TEST COMPLETE | |