72 lines
2.5 KiB
HTML
72 lines
2.5 KiB
HTML
|
<html>
|
||
|
|
<head><meta charset="utf-8"></head>
|
||
|
|
<body>
|
||
|
|
<script type="text/javascript">
|
||
|
|
|
||
|
|
const log = (...params) => {
|
||
|
|
document.write(params.join(" ")+"<br>");
|
||
|
|
};
|
||
|
|
|
||
|
|
function reqAsPromise(req) {
|
||
|
|
return new Promise((resolve, reject) => {
|
||
|
|
req.onsuccess = () => resolve(req.result);
|
||
|
|
req.onerror = (err) => reject(err);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
function txnAsPromise(txn) {
|
||
|
|
return new Promise((resolve, reject) => {
|
||
|
|
txn.addEventListener("complete", resolve);
|
||
|
|
txn.addEventListener("abort", reject);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
function openDatabase(name, createObjectStore, version) {
|
||
|
|
const req = indexedDB.open(name, version);
|
||
|
|
req.onupgradeneeded = (ev) => {
|
||
|
|
const db = ev.target.result;
|
||
|
|
const txn = ev.target.transaction;
|
||
|
|
const oldVersion = ev.oldVersion;
|
||
|
|
createObjectStore(db, txn, oldVersion, version);
|
||
|
|
};
|
||
|
|
return reqAsPromise(req);
|
||
|
|
}
|
||
|
|
|
||
|
|
async function detectWebkitEarlyCloseTxnBug() {
|
||
|
|
const dbName = "webkit_test_inactive_txn_" + Math.random() * Number.MAX_SAFE_INTEGER;
|
||
|
|
try {
|
||
|
|
const db = await openDatabase(dbName, db => {
|
||
|
|
db.createObjectStore("test", {keyPath: "key"});
|
||
|
|
}, 1);
|
||
|
|
const readTxn = db.transaction(["test"], "readonly");
|
||
|
|
await reqAsPromise(readTxn.objectStore("test").get("somekey"));
|
||
|
|
// schedule a macro task in between the two txns
|
||
|
|
await new Promise(r => setTimeout(r, 0));
|
||
|
|
const writeTxn = db.transaction(["test"], "readwrite");
|
||
|
|
await Promise.resolve();
|
||
|
|
writeTxn.objectStore("test").add({key: "somekey", value: "foo"});
|
||
|
|
await txnAsPromise(writeTxn);
|
||
|
|
} catch (err) {
|
||
|
|
if (err.name === "TransactionInactiveError") {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
} finally {
|
||
|
|
try {
|
||
|
|
indexedDB.deleteDatabase(dbName);
|
||
|
|
} catch (err) {}
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
(async () => {
|
||
|
|
if (await detectWebkitEarlyCloseTxnBug()) {
|
||
|
|
log("the test failed, your browser seems to have the bug");
|
||
|
|
} else {
|
||
|
|
log("the test succeeded, your browser seems fine");
|
||
|
|
}
|
||
|
|
})();
|
||
|
|
|
||
|
|
</script>
|
||
|
|
</body>
|
||
|
|
</html>
|