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<!DOCTYPE html>
<title>Service Worker: Indexed DB</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/test-helpers.sub.js"></script>
<script>
function readDB() {
return new Promise(function(resolve, reject) {
var openRequest = indexedDB.open('db');
openRequest.onerror = reject;
openRequest.onsuccess = function() {
var db = openRequest.result;
var tx = db.transaction('store');
var store = tx.objectStore('store');
var getRequest = store.get('key');
getRequest.onerror = function() {
db.close();
reject(getRequest.error);
};
getRequest.onsuccess = function() {
db.close();
resolve(getRequest.result);
};
};
});
}
function send(worker, action) {
return new Promise(function(resolve, reject) {
var messageChannel = new MessageChannel();
messageChannel.port1.onmessage = function(event) {
if (event.data.type === 'error') {
reject(event.data.reason);
}
resolve();
};
worker.postMessage(
{action: action, port: messageChannel.port2},
[messageChannel.port2]);
});
}
promise_test(function(t) {
var scope = 'resources/blank.html';
return service_worker_unregister_and_register(
t, 'resources/indexeddb-worker.js', scope)
.then(function(registration) {
var worker = registration.installing;
promise_test(function() {
return registration.unregister();
}, 'clean up: registration');
return send(worker, 'create')
.then(function() {
promise_test(function() {
return new Promise(function(resolve, reject) {
var delete_request = indexedDB.deleteDatabase('db');
delete_request.onsuccess = resolve;
delete_request.onerror = reject;
});
}, 'clean up: database');
})
.then(readDB)
.then(function(value) {
assert_equals(
value, 'value',
'The get() result should match what the worker put().');
});
});
}, 'Verify Indexed DB operation in a Service Worker');
</script>
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