| <html> |
| <head> |
| <script src="resources/sw-test-pre.js"></script> |
| </head> |
| <body> |
| <script> |
| |
| function waitForMessageEvent() |
| { |
| return new Promise(resolve => { |
| navigator.serviceWorker.addEventListener('message', resolve, { once: true }); |
| }); |
| } |
| |
| async function test() |
| { |
| try { |
| let registration1 = await navigator.serviceWorker.register("resources/basic-unregister-then-register-again-reuse-worker.js", { }); |
| await waitForState(registration1.installing, "activated"); |
| if (registration1.installing) |
| log("FAIL: registration1 should not have an installing worker"); |
| else |
| log("PASS: registration1 should not have an installing worker"); |
| |
| if (registration1.waiting) |
| log("FAIL: registration1 should not have a waiting worker"); |
| else |
| log("PASS: registration1 should not have a waiting worker"); |
| |
| if (registration1.active) |
| log("PASS: registration1 should have an active worker"); |
| else |
| log("FAIL: registration1 should have an active worker"); |
| |
| // Service worker will use waitUntil() on the received ExtendableMessageEvent to extend its lifetime. |
| registration1.active.postMessage("ExtendLifetime"); |
| |
| await waitForMessageEvent(); |
| await registration1.unregister(); |
| |
| let registration2 = await navigator.serviceWorker.register("resources/basic-unregister-then-register-again-reuse-worker.js", { }); |
| if (registration1 === registration2) |
| log("FAIL: Registration was reused"); |
| else |
| log("PASS: Registration was not reused"); |
| } catch (e) { |
| log("FAIL: Got exception " + e); |
| } |
| finishSWTest(); |
| } |
| |
| test(); |
| </script> |
| </body> |
| </html> |
