test_connection_failsafe_close.js (1241B)
1 /* This Source Code Form is subject to the terms of the Mozilla Public 2 * License, v. 2.0. If a copy of the MPL was not distributed with this 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 4 5 /* 6 * This file tests edge-cases related to mozStorageService::unregisterConnection 7 * in the face of failsafe closing at destruction time which results in 8 * SpinningSynchronousClose being invoked which can "resurrect" the connection 9 * and result in a second call to unregisterConnection. 10 * 11 * See https://bugzilla.mozilla.org/show_bug.cgi?id=1413501 for more context. 12 */ 13 14 add_task(async function test_failsafe_close_of_async_connection() { 15 // get the db 16 let db = getOpenedDatabase(); 17 18 // do something async 19 let callbackInvoked = new Promise(resolve => { 20 db.executeSimpleSQLAsync("CREATE TABLE test (id INTEGER)", { 21 handleCompletion: resolve, 22 }); 23 }); 24 25 // drop our reference and force a GC so the only live reference is owned by 26 // the async statement. 27 db = gDBConn = null; 28 // (we don't need to cycle collect) 29 Cu.forceGC(); 30 31 // now we need to wait for that callback to have completed. 32 await callbackInvoked; 33 34 Assert.ok(true, "if we shutdown cleanly and do not crash, then we succeeded"); 35 });