зеркало из https://github.com/mozilla/pjs.git
285 строки
7.8 KiB
C++
285 строки
7.8 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim set:sw=2 ts=2 et lcs=trail\:.,tab\:>~ : */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is storage test code.
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*
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* The Initial Developer of the Original Code is
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* The Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2010
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Shawn Wilsher <me@shawnwilsher.com> (Original Author)
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "storage_test_harness.h"
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#include "mozilla/Monitor.h"
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#include "nsThreadUtils.h"
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#include "mozIStorageStatement.h"
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/**
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* This file tests that our implementation around sqlite3_unlock_notify works
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* as expected.
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*/
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////////////////////////////////////////////////////////////////////////////////
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//// Helpers
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enum State {
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STARTING,
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WRITE_LOCK,
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READ_LOCK,
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TEST_DONE
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};
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class DatabaseLocker : public nsRunnable
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{
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public:
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DatabaseLocker(const char* aSQL)
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: monitor("DatabaseLocker::monitor")
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, mSQL(aSQL)
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, mState(STARTING)
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{
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}
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void RunInBackground()
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{
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(void)NS_NewThread(getter_AddRefs(mThread));
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do_check_true(mThread);
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do_check_success(mThread->Dispatch(this, NS_DISPATCH_NORMAL));
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}
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NS_IMETHOD Run()
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{
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mozilla::MonitorAutoEnter lock(monitor);
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nsCOMPtr<mozIStorageConnection> db(getDatabase());
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nsCString sql(mSQL);
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nsCOMPtr<mozIStorageStatement> stmt;
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do_check_success(db->CreateStatement(sql, getter_AddRefs(stmt)));
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PRBool hasResult;
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do_check_success(stmt->ExecuteStep(&hasResult));
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Notify(WRITE_LOCK);
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WaitFor(TEST_DONE);
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return NS_OK;
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}
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void WaitFor(State aState)
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{
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monitor.AssertCurrentThreadIn();
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while (mState != aState) {
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do_check_success(monitor.Wait());
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}
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}
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void Notify(State aState)
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{
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monitor.AssertCurrentThreadIn();
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mState = aState;
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do_check_success(monitor.Notify());
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}
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mozilla::Monitor monitor;
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protected:
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nsCOMPtr<nsIThread> mThread;
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const char *const mSQL;
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State mState;
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};
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class DatabaseTester : public DatabaseLocker
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{
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public:
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DatabaseTester(mozIStorageConnection *aConnection,
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const char* aSQL)
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: DatabaseLocker(aSQL)
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, mConnection(aConnection)
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{
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}
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NS_IMETHOD Run()
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{
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mozilla::MonitorAutoEnter lock(monitor);
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WaitFor(READ_LOCK);
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nsCString sql(mSQL);
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nsCOMPtr<mozIStorageStatement> stmt;
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do_check_success(mConnection->CreateStatement(sql, getter_AddRefs(stmt)));
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PRBool hasResult;
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nsresult rv = stmt->ExecuteStep(&hasResult);
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do_check_eq(rv, NS_ERROR_FILE_IS_LOCKED);
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// Finalize our statement and null out our connection before notifying to
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// ensure that we close on the proper thread.
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rv = stmt->Finalize();
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do_check_eq(rv, NS_ERROR_FILE_IS_LOCKED);
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mConnection = nsnull;
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Notify(TEST_DONE);
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return NS_OK;
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}
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private:
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nsCOMPtr<mozIStorageConnection> mConnection;
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State mState;
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};
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////////////////////////////////////////////////////////////////////////////////
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//// Test Functions
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void
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setup()
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{
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nsCOMPtr<mozIStorageConnection> db(getDatabase());
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// Create and populate a dummy table.
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nsresult rv = db->ExecuteSimpleSQL(NS_LITERAL_CSTRING(
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"CREATE TABLE test (id INTEGER PRIMARY KEY, data STRING)"
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));
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do_check_success(rv);
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rv = db->ExecuteSimpleSQL(NS_LITERAL_CSTRING(
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"INSERT INTO test (data) VALUES ('foo')"
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));
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do_check_success(rv);
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rv = db->ExecuteSimpleSQL(NS_LITERAL_CSTRING(
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"INSERT INTO test (data) VALUES ('bar')"
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));
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do_check_success(rv);
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rv = db->ExecuteSimpleSQL(NS_LITERAL_CSTRING(
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"CREATE UNIQUE INDEX unique_data ON test (data)"
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));
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do_check_success(rv);
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}
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void
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test_step_locked_does_not_block_main_thread()
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{
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nsCOMPtr<mozIStorageConnection> db(getDatabase());
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// Need to prepare our statement ahead of time so we make sure to only test
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// step and not prepare.
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nsCOMPtr<mozIStorageStatement> stmt;
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nsresult rv = db->CreateStatement(NS_LITERAL_CSTRING(
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"INSERT INTO test (data) VALUES ('test1')"
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), getter_AddRefs(stmt));
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do_check_success(rv);
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nsRefPtr<DatabaseLocker> locker(new DatabaseLocker("SELECT * FROM test"));
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do_check_true(locker);
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mozilla::MonitorAutoEnter lock(locker->monitor);
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locker->RunInBackground();
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// Wait for the locker to notify us that it has locked the database properly.
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locker->WaitFor(WRITE_LOCK);
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PRBool hasResult;
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rv = stmt->ExecuteStep(&hasResult);
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do_check_eq(rv, NS_ERROR_FILE_IS_LOCKED);
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locker->Notify(TEST_DONE);
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}
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void
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test_drop_index_does_not_loop()
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{
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nsCOMPtr<mozIStorageConnection> db(getDatabase());
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// Need to prepare our statement ahead of time so we make sure to only test
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// step and not prepare.
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nsCOMPtr<mozIStorageStatement> stmt;
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nsresult rv = db->CreateStatement(NS_LITERAL_CSTRING(
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"SELECT * FROM test"
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), getter_AddRefs(stmt));
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do_check_success(rv);
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nsRefPtr<DatabaseTester> tester =
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new DatabaseTester(db, "DROP INDEX unique_data");
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do_check_true(tester);
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mozilla::MonitorAutoEnter lock(tester->monitor);
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tester->RunInBackground();
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// Hold a read lock on the database, and then let the tester try to execute.
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PRBool hasResult;
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rv = stmt->ExecuteStep(&hasResult);
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do_check_success(rv);
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do_check_true(hasResult);
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tester->Notify(READ_LOCK);
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// Make sure the tester finishes its test before we move on.
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tester->WaitFor(TEST_DONE);
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}
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void
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test_drop_table_does_not_loop()
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{
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nsCOMPtr<mozIStorageConnection> db(getDatabase());
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// Need to prepare our statement ahead of time so we make sure to only test
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// step and not prepare.
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nsCOMPtr<mozIStorageStatement> stmt;
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nsresult rv = db->CreateStatement(NS_LITERAL_CSTRING(
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"SELECT * FROM test"
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), getter_AddRefs(stmt));
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do_check_success(rv);
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nsRefPtr<DatabaseTester> tester(new DatabaseTester(db, "DROP TABLE test"));
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do_check_true(tester);
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mozilla::MonitorAutoEnter lock(tester->monitor);
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tester->RunInBackground();
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// Hold a read lock on the database, and then let the tester try to execute.
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PRBool hasResult;
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rv = stmt->ExecuteStep(&hasResult);
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do_check_success(rv);
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do_check_true(hasResult);
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tester->Notify(READ_LOCK);
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// Make sure the tester finishes its test before we move on.
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tester->WaitFor(TEST_DONE);
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}
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void (*gTests[])(void) = {
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setup,
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test_step_locked_does_not_block_main_thread,
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test_drop_index_does_not_loop,
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test_drop_table_does_not_loop,
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};
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const char *file = __FILE__;
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#define TEST_NAME "sqlite3_unlock_notify"
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#define TEST_FILE file
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#include "storage_test_harness_tail.h"
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