| <!DOCTYPE html> |
| <title>Service Worker: registration events</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="resources/test-helpers.sub.js"></script> |
| <script> |
| promise_test(function(t) { |
| var script = 'resources/empty-worker.js'; |
| var scope = 'resources/blank.html'; |
| var registration; |
| |
| return service_worker_unregister_and_register(t, script, scope) |
| .then(function(registration) { |
| t.add_cleanup(function() { |
| return service_worker_unregister(t, scope); |
| }); |
| |
| var sw = registration.installing; |
| |
| return new Promise(t.step_func(function(resolve) { |
| sw.onstatechange = t.step_func(function() { |
| if (sw.state === 'installed') { |
| assert_equals(registration.active, null, |
| 'installed event should be fired before activating service worker'); |
| resolve(); |
| } |
| }); |
| })); |
| }) |
| .catch(unreached_rejection(t)); |
| }, 'installed event should be fired before activating service worker'); |
| |
| </script> |