edge-cases.https.html

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<!DOCTYPE html>

<meta charset="utf-8" />

<title>Permissions API - Test invalid permission name</title>

<link rel="help" href="https://www.w3.org/TR/permissions/" />

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

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

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

<script src="/resources/testdriver-vendor.js"></script>

<body>

    <script>

        "use strict";

        promise_test(async (t) => {

            await promise_rejects_js(

t,

                TypeError,

                navigator.permissions.query({ name: "not-a-real-permission" }),

                "Unsupported permission name should reject with TypeError"

);

        }, "Query with an unsupported name rejects with TypeError");

    </script>

</body>