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43 lines
1.5 KiB
JavaScript
43 lines
1.5 KiB
JavaScript
/*
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Copyright 2020 The Matrix.org Foundation C.I.C.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import {openDatabase, txnAsPromise, reqAsPromise} from "./utils.js";
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// filed as https://bugs.webkit.org/show_bug.cgi?id=222746
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export async function detectWebkitEarlyCloseTxnBug() {
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const dbName = "hydrogen_webkit_test_inactive_txn_bug";
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try {
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const db = await openDatabase(dbName, db => {
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db.createObjectStore("test", {keyPath: "key"});
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}, 1);
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const readTxn = db.transaction(["test"], "readonly");
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await reqAsPromise(readTxn.objectStore("test").get("somekey"));
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// schedule a macro task in between the two txns
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await new Promise(r => setTimeout(r, 0));
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const writeTxn = db.transaction(["test"], "readwrite");
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await Promise.resolve();
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writeTxn.objectStore("test").add({key: "somekey", value: "foo"});
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await txnAsPromise(writeTxn);
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db.close();
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} catch (err) {
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if (err.name === "TransactionInactiveError") {
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return true;
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}
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}
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return false;
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}
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