nested-options.html (1460B)
1 <!DOCTYPE html> 2 <link rel=author href="mailto:jarhar@chromium.org"> 3 <link rel=help href="https://bugs.chromium.org/p/chromium/issues/detail?id=1422275"> 4 <link rel=help href="https://chromium-review.googlesource.com/c/chromium/src/+/5441435/1#message-cd8841d92a672a0276ab536dfaf3a20e93d5e6e3"> 5 <link rel=help href="https://issues.chromium.org/issues/376786406"> 6 <script src="/resources/testharness.js"></script> 7 <script src="/resources/testharnessreport.js"></script> 8 <script src="/resources/testdriver.js"></script> 9 <script src="/resources/testdriver-vendor.js"></script> 10 11 <select> 12 <datalist> 13 <option id=o1> 14 parent 15 <option id=o2>child</option> 16 </option> 17 </datalist> 18 </select> 19 20 <script> 21 const select = document.querySelector('select'); 22 23 test(() => { 24 assert_equals(select.innerHTML, ` 25 <datalist> 26 <option id="o1"> 27 parent 28 </option><option id="o2">child</option> 29 30 </datalist> 31 `); 32 }, 'The HTML parser should disallow nested options in select datalist.'); 33 34 // Manually nest the <options> anyway for the following tests. 35 o1.appendChild(o2); 36 select.appendChild(o1); 37 38 test(() => { 39 assert_equals(select.options.length, 1, 'select.options.length'); 40 assert_equals(select.options[0], o1, 'select.options[0]'); 41 }, 'Nested <options> not should be listed in <select> IDLs.'); 42 43 promise_test(async () => { 44 await test_driver.bless(); 45 select.showPicker(); 46 }, 'Showing the popup with nested <option>s should not crash.'); 47 </script>