selectlist-listbox-fallback-change-crash.tentative.html

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This WPT test may be referenced by the following Test IDs:
- /html/semantics/forms/the-selectlist-element/selectlist-listbox-fallback-change-crash.tentative.html - WPT Dashboard Interop Dashboard

<!doctype html>

<html class="test-wait">

<link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=1400522">

<link rel="author" href="mailto:xiaochengh@chromium.org">

<selectlist id="selectList" style="position: absolute;">

    <div slot="button">

        <button id="b1" behavior="button"></button>

    </div>

    <selectlist>

        <div slot="button">

            <button id="b2" behavior="button">x</button>

        </div>

        <div id="listbox" popover slot="listbox" behavior="listbox">

            <option>y</option>

        </div>

    </selectlist>

</selectlist>

<script type="module">

    const raf = () => new Promise(resolve => requestAnimationFrame(resolve));

    document.querySelector('#b1').click();

    document.querySelector('#b2').click();

    document.querySelector('#selectList').style.top = '-25px';

    await raf();

    await raf();

    document.querySelector('#selectList').style.top = '0px';

    document.documentElement.classList.remove('test-wait');

</script>

</html>