| <!-- webkit-test-runner [ UsesBackForwardCache=true ] --> |
| <!DOCTYPE html> |
| <html> |
| <body> |
| <script src="resources/sw-test-pre.js"></script> |
| <script> |
| log("* Tests that a client is re-added to the list of service worker clients when it is restored from the page cache"); |
| log(""); |
| |
| let tries = 0; |
| |
| let expectedClientIdentifiers = []; |
| |
| function containsExpectedClients(clientIdentifiers) |
| { |
| for (let expectedIdentifier of expectedClientIdentifiers) { |
| if (!clientIdentifiers.includes(expectedIdentifier)) |
| return false; |
| } |
| return true; |
| } |
| |
| navigator.serviceWorker.addEventListener("message", function(event) { |
| if (step == "BothClientsInitiallyActive") { |
| if (!containsExpectedClients(event.data.ids)) { |
| if (++tries > 20) { |
| log("FAIL: Wrong initial number of clients"); |
| finishSWTest(); |
| return; |
| } |
| worker.postMessage("getClientIds"); |
| return; |
| } |
| log("PASS: service worker has initially 2 clients"); |
| |
| otherWindow.addEventListener("pagehide", function(event) { |
| if (!event.persisted) { |
| log("FAIL: page failed to enter page cache"); |
| finishSWTest(); |
| return; |
| } |
| log("PASS: page is about to enter page cache"); |
| }); |
| |
| otherWindow.addEventListener("pageshow", function(event) { |
| if (!event.persisted) { |
| log("FAIL: page was not restored from page cache"); |
| finishSWTest(); |
| return; |
| } |
| setTimeout(function() { |
| step = "SecondClientRestoredFromPageCache"; |
| worker.postMessage("getClientIds"); |
| }, 0); |
| }); |
| |
| otherWindow.location.href = "/navigation/resources/page-cache-helper.html"; |
| return; |
| } |
| |
| if (step == "SecondClientRestoredFromPageCache") { |
| if (!containsExpectedClients(event.data.ids)) { |
| log("FAIL: Wrong number of clients after one client was restored from page cache"); |
| finishSWTest(); |
| } |
| |
| log("PASS: service worker now has 2 clients again after restoring the second one from page cache"); |
| finishSWTest(); |
| } |
| }); |
| |
| navigator.serviceWorker.register("resources/getClientIds-worker.js", { }).then(function(registration) { |
| expectedClientIdentifiers.push(internals.serviceWorkerClientInternalIdentifier(document)); |
| |
| worker = registration.installing; |
| otherWindow = open("other_resources/test.html"); |
| otherWindow.onload = function() { |
| expectedClientIdentifiers.push(internals.serviceWorkerClientInternalIdentifier(otherWindow.document)); |
| step = "BothClientsInitiallyActive" |
| worker.postMessage("getClientIds"); |
| }; |
| }); |
| </script> |
| </body> |
| </html> |
