<!DOCTYPE html>
<html>
Copyright 2024 The Chromium Authors
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file.
-->
<head>
<title>IDB test for a large value that gets wrapped in a blob</title>
<script type="text/javascript" src="common.js"></script>
<script>
const databaseName = 'large_value_db';
const storeName = 'large_value_store';
const id = 0;
const data = Array.from({ length: 10000 }, () => Math.random()).join("");
let db;
function upgradeCallback(db) {
deleteAllObjectStores(db);
db.createObjectStore(storeName, { keyPath: "id", autoIncrement: true });
}
async function writeAndReadData() {
db = await promiseOpenDb(databaseName, upgradeCallback);
const transaction = db.transaction(storeName, 'readwrite');
transaction.onabort = unexpectedAbortCallback;
transaction.onerror = unexpectedErrorCallback;
transaction.oncomplete = readData().then((result) => {
if (result !== id) {
fail(`expected result to be '${id}', got '${result}'`);
return;
}
done();
}).catch(unexpectedErrorCallback);
const objectStore = transaction.objectStore(storeName);
const request = objectStore.put({ id: id, data: data });
request.onerror = unexpectedErrorCallback;
}
function readData() {
return new Promise((resolve, reject) => {
const transaction = db.transaction(storeName, 'readonly');
transaction.onerror = () => reject(transaction.error);
const objectStore = transaction.objectStore(storeName);
const request = objectStore.get(id);
request.onerror = () => reject(request.error);
request.onsuccess = () => resolve(request.result.id);
});
}
</script>
</head>
<body onLoad="writeAndReadData()">
<div id="status">Starting...</div>
</body>
</html>
