blob: 6a2284ecf2c39f1b88d66dabc2f5a7aa6e1b022c [file] [log] [blame]
<!-- 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)) {
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)) {
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>