/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-

 * vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ :

 * This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "storage_test_harness.h"

#include "SQLiteMutex.h"

using namespace mozilla;

using namespace mozilla::storage;

/**

 * This file test our sqlite3_mutex wrapper in SQLiteMutex.h.

 */

TEST(storage_mutex, AutoLock)

{

  int lockTypes[] = {

    SQLITE_MUTEX_FAST,

    SQLITE_MUTEX_RECURSIVE,

  };

  for (int lockType : lockTypes) {

    // 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(lockType);

    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);

  }

}

TEST(storage_mutex, AutoUnlock)

{

  int lockTypes[] = {

    SQLITE_MUTEX_FAST,

    SQLITE_MUTEX_RECURSIVE,

  };

  for (int lockType : lockTypes) {

    // 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(lockType);

    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);

  }

}