1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
<!DOCTYPE html>
<script>
var db;
var request = window.indexedDB.open("IndexedDBSuspendImminently");
function onPutSuccess(event)
{
const transaction = event.target.transaction;
if (!transaction)
return;
const objectStore = transaction.objectStore("TestObjectStore");
const putRequest = objectStore.put("value", "key");
putRequest.onsuccess = onPutSuccess;
}
function startTransactions()
{
const transaction = db.transaction("TestObjectStore", "readwrite");
const objectStore = transaction.objectStore("TestObjectStore");
const putRequest = objectStore.put("value", "key");
putRequest.onsuccess = (event) => {
window.webkit.messageHandlers.testHandler.postMessage("Continue");
onPutSuccess(event);
}
transaction.oncomplete = () => {
window.webkit.messageHandlers.testHandler.postMessage("Unexpected Success");
}
transaction.onabort = () => {
window.webkit.messageHandlers.testHandler.postMessage("Expected Abort For Suspension");
}
const transaction2 = db.transaction("TestObjectStore", "readwrite");
transaction2.oncomplete = () => {
window.webkit.messageHandlers.testHandler.postMessage("Expected Success After Resume");
}
transaction2.onabort = () => {
window.webkit.messageHandlers.testHandler.postMessage("Unexpected Abort");
}
}
request.onsuccess = function(event) {
db = event.target.result;
startTransactions();
}
request.onupgradeneeded = function(event) {
var createRequest = event.target.result.createObjectStore("TestObjectStore");
createRequest.onerror = function(event) {
window.webkit.messageHandlers.testHandler.postMessage("ObjectStore Error");
}
}
request.onerror = function(event) {
window.webkit.messageHandlers.testHandler.postMessage("Open Error");
}
</script>
|
