gecko-dev/dom/simpledb/test/xpcshell/test_slowStorageInitialization.js
Jan Varga 2eccc782cd Bug 1917457 - Add a test for origin clearing requested right after starting client directory opening for SDB; r=dom-storage-reviewers,jari
The client directory lock gets invalidated, but the lock is not checked by SDB,
so it's not dropped as soon as possible which can eventually lead to a hang.

Differential Revision: https://phabricator.services.mozilla.com/D219603
2024-09-16 16:58:38 +00:00

74 lines
2 KiB
JavaScript

/**
* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/
*/
const { PrincipalUtils } = ChromeUtils.importESModule(
"resource://testing-common/dom/quota/test/modules/PrincipalUtils.sys.mjs"
);
const { QuotaUtils } = ChromeUtils.importESModule(
"resource://testing-common/dom/quota/test/modules/QuotaUtils.sys.mjs"
);
const { SimpleDBUtils } = ChromeUtils.importESModule(
"resource://testing-common/dom/simpledb/test/modules/SimpleDBUtils.sys.mjs"
);
const { TestUtils } = ChromeUtils.importESModule(
"resource://testing-common/TestUtils.sys.mjs"
);
add_task(
{
pref_set: [
["dom.quotaManager.storageInitialization.pauseOnIOThreadMs", 2000],
],
},
async function testSteps() {
const principal = PrincipalUtils.createPrincipal("https://example.com");
const name = "test_slowStorageInitialization.js";
info(
"Testing origin clearing requested after starting client directory opening"
);
info("Starting database opening");
const openPromise = (async function () {
const connection = SimpleDBUtils.createConnection(principal);
const request = connection.open(name);
const promise = SimpleDBUtils.requestFinished(request);
return promise;
})();
info("Waiting for client directory opening to start");
await TestUtils.topicObserved(
"QuotaManager::ClientDirectoryOpeningStarted"
);
info("Starting origin clearing");
const clearPromise = (async function () {
const request = Services.qms.clearStoragesForPrincipal(principal);
const promise = QuotaUtils.requestFinished(request);
return promise;
})();
info("Waiting for database to finish opening");
try {
await openPromise;
ok(false, "Should have thrown");
} catch (e) {
ok(true, "Should have thrown");
Assert.strictEqual(
e.resultCode,
Cr.NS_ERROR_ABORT,
"Threw right result code"
);
}
info("Waiting for origin to finish clearing");
await clearPromise;
}
);