dom/serviceworkers/test/sw_storage_not_allow.js


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let clientId;
addEventListener("fetch", function(event) {
  event.respondWith(
    (async function() {
      if (event.request.url.includes("getClients")) {
        // Expected to fail since the storage access is not allowed.
        try {
          await self.clients.matchAll();
        } catch (e) {
          // expected failure
        }
      } else if (event.request.url.includes("getClient-stage1")) {
        let clients = await self.clients.matchAll();
        clientId = clients[0].id;
      } else if (event.request.url.includes("getClient-stage2")) {
        // Expected to fail since the storage access is not allowed.
        try {
          await self.clients.get(clientId);
        } catch (e) {
          // expected failure
        }
      }

      // Pass through the network request once our various Clients API
      // promises have completed.
      return await fetch(event.request);
    })()
  );
});

addEventListener("activate", function(event) {
  event.waitUntil(clients.claim());
});