service-workers/service-worker/import-scripts-resource-map.https.html

<!DOCTYPE html>
<meta charset="utf-8" />
<title>Tests for importScripts: script resource map</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/test-helpers.sub.js"></script>
<body>
  <script>
    // This test registers a worker that imports a script multiple times. The
    // script should be stored on the first import and thereafter that stored
    // script should be loaded. The worker asserts that the stored script was
    // loaded; if the assert fails then registration fails.

    promise_test(async t => {
      const SCOPE = "resources/import-scripts-resource-map";
      const SCRIPT = "resources/import-scripts-resource-map-worker.js";
      await service_worker_unregister(t, SCOPE);
      const registration = await navigator.serviceWorker.register(SCRIPT, {
        scope: SCOPE
      });
      await registration.unregister();
    }, "import the same script URL multiple times");

    promise_test(async t => {
      const SCOPE = "resources/import-scripts-diff-resource-map";
      const SCRIPT = "resources/import-scripts-diff-resource-map-worker.js";
      await service_worker_unregister(t, SCOPE);
      const registration = await navigator.serviceWorker.register(SCRIPT, {
        scope: SCOPE
      });
      await registration.unregister();
    }, "call importScripts() with multiple arguments");
  </script>
</body>