| <!DOCTYPE html> |
| <title>SharedWorker extendedLifetime (Data URL)</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/common/utils.js"></script> |
| <script src="/common/dispatcher/dispatcher.js"></script> |
| <script> |
| |
| const dataUrl = "data:application/javascript," + encodeURIComponent(` |
| let stored_data = null; |
| self.onconnect = e => { |
| const port = e.ports[0]; |
| port.onmessage = msg => { |
| if (msg.data.op === 'store') { |
| stored_data = msg.data.data; |
| port.postMessage({status: 'OK', reqid: msg.data.reqid}); |
| } else if (msg.data.op === 'load') { |
| port.postMessage({status: 'OK', data: stored_data, reqid: msg.data.reqid}); |
| } |
| }; |
| }; |
| `); |
| |
| const createDataWorkerAndStore = async (uuid, dataUrl) => { |
| window.worker = new SharedWorker(dataUrl, {extendedLifetime: true}); |
| worker.port.start(); |
| await new Promise(resolve => { |
| const listener = e => { |
| if (e.data.reqid === 1) { |
| worker.port.removeEventListener('message', listener); |
| resolve(e.data); |
| } |
| }; |
| worker.port.addEventListener('message', listener); |
| worker.port.postMessage({op: 'store', data: uuid, reqid: 1}); |
| }); |
| }; |
| |
| const connectAndLoad = async (dataUrl) => { |
| window.worker = new SharedWorker(dataUrl, {extendedLifetime: true}); |
| worker.port.start(); |
| return new Promise(resolve => { |
| const listener = e => { |
| if (e.data.reqid === 2) { |
| worker.port.removeEventListener('message', listener); |
| resolve(e.data); |
| } |
| }; |
| worker.port.addEventListener('message', listener); |
| worker.port.postMessage({op: 'load', reqid: 2}); |
| }); |
| }; |
| |
| promise_test(async t => { |
| const uuid = token(); |
| const ctx = new RemoteContext(token()); |
| const popup = window.open(remoteExecutorUrl(ctx.context_id)); |
| await ctx.execute_script(createDataWorkerAndStore, [uuid, dataUrl]); |
| popup.close(); |
| |
| // The SharedWorker created with data: URL should survive because of extendedLifetime. |
| const response = await connectAndLoad(dataUrl); |
| assert_equals(response.status, 'OK'); |
| assert_equals(response.data, uuid); |
| }, "Data URL SharedWorker should survive across navigations with extendedLifetime"); |
| |
| </script> |
