gecko/storage/test/test_mutex.cpp
Shawn Wilsher 2d8562eff5 Bug 494828 - Stop using our own mutexes and use SQLite's where possible.
Part 1: Create helper objects to make using sqlite3_mutex safer and easier.
r=cjones
2009-07-22 15:18:33 -07:00

118 lines
3.7 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ :
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is storage test code.
*
* The Initial Developer of the Original Code is
* Mozilla Corporation.
* Portions created by the Initial Developer are Copyright (C) 2009
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Shawn Wilsher <me@shawnwilsher.com> (Original Author)
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "storage_test_harness.h"
#include "SQLiteMutex.h"
using namespace mozilla::storage;
/**
* This file test our sqlite3_mutex wrapper in SQLiteMutex.h.
*/
void
test_AutoLock()
{
int lockTypes[] = {
SQLITE_MUTEX_FAST,
SQLITE_MUTEX_RECURSIVE,
};
for (size_t i = 0; i < NS_ARRAY_LENGTH(lockTypes); i++) {
// Get our test mutex (we have to allocate a SQLite mutex of the right type
// too!).
SQLiteMutex mutex("TestMutex");
sqlite3_mutex *inner = sqlite3_mutex_alloc(lockTypes[i]);
do_check_true(inner);
mutex.initWithMutex(inner);
// And test that our automatic locking wrapper works as expected.
mutex.assertNotCurrentThreadOwns();
{
SQLiteMutexAutoLock lockedScope(mutex);
mutex.assertCurrentThreadOwns();
}
mutex.assertNotCurrentThreadOwns();
// Free the wrapped mutex - we don't need it anymore.
sqlite3_mutex_free(inner);
}
}
void
test_AutoUnlock()
{
int lockTypes[] = {
SQLITE_MUTEX_FAST,
SQLITE_MUTEX_RECURSIVE,
};
for (size_t i = 0; i < NS_ARRAY_LENGTH(lockTypes); i++) {
// Get our test mutex (we have to allocate a SQLite mutex of the right type
// too!).
SQLiteMutex mutex("TestMutex");
sqlite3_mutex *inner = sqlite3_mutex_alloc(lockTypes[i]);
do_check_true(inner);
mutex.initWithMutex(inner);
// And test that our automatic unlocking wrapper works as expected.
{
SQLiteMutexAutoLock lockedScope(mutex);
{
SQLiteMutexAutoUnlock unlockedScope(mutex);
mutex.assertNotCurrentThreadOwns();
}
mutex.assertCurrentThreadOwns();
}
// Free the wrapped mutex - we don't need it anymore.
sqlite3_mutex_free(inner);
}
}
void (*gTests[])(void) = {
test_AutoLock,
test_AutoUnlock,
};
const char *file = __FILE__;
#define TEST_NAME "SQLiteMutex"
#define TEST_FILE file
#include "storage_test_harness_tail.h"