template-contentmethod-supersedes-invalid-shadowrootmode.html

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /html/dom/partial-updates/tentative/template-contentmethod-supersedes-invalid-shadowrootmode.html - WPT Dashboard Interop Dashboard

<!DOCTYPE HTML>

<meta charset="utf-8" />

<title>HTML partial updates: invalid shadowrootmode superseded by contentmethod</title>

<link rel=help href="https://github.com/WICG/declarative-partial-updates">

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

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

<div id="container">

    <section id=outer contentname="d">Unchanged</section>

    <template shadowrootmode="invalid" contentmethod="replace-children">

        <section id=inner contentname="d">Inside</section>

    </template>

</div>

<script>

test(() => {

    const outer = document.querySelector("#outer");

    assert_equals(outer.textContent, "Inside");

    assert_equals(document.querySelector("#container").shadowRoot, null);

});

</script>