moveBefore-from-light-to-shadow.html

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This WPT test may be referenced by the following Test IDs:
- /dom/nodes/moveBefore/moveBefore-from-light-to-shadow.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<body>

    <div id="host">

        <template shadowRootMode="open">

            <div><div style="display: none;"><slot></slot></div></div>

        </template>

    </div>

    <span id="span">Text in light DOM</span>

<script>

    test(t => {

        const host = document.getElementById("host");

        const span = document.getElementById("span");

        assert_true(span.getBoundingClientRect().width > 0);

        host.moveBefore(span, null);

        assert_true(span.getBoundingClientRect().width == 0);

});

</script>