option-dirtiness.html | Explore in Territory

<!DOCTYPE html>
<body>
<script src="../../../resources/testharness.js"></script>
<script src="../../../resources/testharnessreport.js"></script>
<div id="log"></div>
<select>
<option>Unselected</option>
<option selected>Selected</option>
</option>
</select>
<select>
<option>Unselected</option>
<option selected>Selected</option>
</option>
</select>
<script>
// This is a supplemenetal test for web-platform-tests/html/semantics/forms/the-option-element/option-selected.html

test(function() {
    var unselected = document.querySelectorAll('select')[0].options[0];
    unselected.selected = false;
    unselected.setAttribute('selected', 'selected');
    assert_true(unselected.selected);

    var selected = document.querySelectorAll('select')[1].options[1];
    selected.selected = true;
    selected.removeAttribute('selected');
    assert_false(selected.selected);
}, '|selected| setter should not make an option dirty if it doesn\'t change its selectedness and the option is owned by a select element');
</script>
</body>

chromium/third_party/blink/web_tests/fast/forms/select/option-dirtiness.html