| <!DOCTYPE html> |
| <link rel=author href="mailto:jarhar@chromium.org"> |
| <link rel=help href="https://bugs.chromium.org/p/chromium/issues/detail?id=1422275"> |
| <link rel=help href="https://chromium-review.googlesource.com/c/chromium/src/+/5441435/1#message-cd8841d92a672a0276ab536dfaf3a20e93d5e6e3"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/resources/testdriver.js"></script> |
| <script src="/resources/testdriver-vendor.js"></script> |
| |
| <select> |
| <datalist> |
| <option id=o1> |
| parent |
| <option id=o2>child</option> |
| </option> |
| </datalist> |
| </select> |
| |
| <script> |
| const select = document.querySelector('select'); |
| |
| test(() => { |
| assert_equals(select.innerHTML, ` |
| <datalist> |
| <option id="o1"> |
| parent |
| </option><option id="o2">child</option> |
| |
| </datalist> |
| `); |
| }, 'The HTML parser should disallow nested options in select datalist.'); |
| |
| // Manually nest the <options> anyway for the following tests. |
| o1.appendChild(o2); |
| |
| test(() => { |
| assert_equals(select.options.length, 2, 'select.options.length'); |
| assert_equals(select.options[0], o1, 'select.options[0]'); |
| assert_equals(select.options[1], o2, 'select.options[1]'); |
| }, 'Nested <options> should be listed in <select> IDLs.'); |
| |
| promise_test(async () => { |
| await test_driver.bless(); |
| select.showPicker(); |
| }, 'Showing the popup with nested <option>s should not crash.'); |
| </script> |
