inert-node-is-not-highlighted-ref.html

<!DOCTYPE html>
<html>
<head>
<style>
body p, span {
    -webkit-user-select: none;
    user-select: none;
}

::backdrop {
    display: none;
}
</style>
</head>
<body>
<p>Test that inert nodes are not painted as being selected. The test passes if
none of the text outside the dialog is highlighted when selected.</p>

<p>Although not shown as selected, the inert nodes are in window.getSelection()
and copied to the clipboard, which is the same behavior as user-select:
none (crbug.com/147490).</p>

<br><span>This text shouldn't be highlighted as selected.</span>

<dialog>
    <div id="selectable">I'm selectable.</div>
</dialog>

<script>
dialog = document.querySelector('dialog');
dialog.showModal();
selectable = document.querySelector('#selectable');
window.getSelection().selectAllChildren(selectable);
</script>
</body>
</html>

chromium/third_party/blink/web_tests/external/wpt/html/semantics/interactive-elements/the-dialog-element/inert-node-is-not-highlighted-ref.html