storage/test/test_mutex.cpp
author Lars T Hansen <lhansen@mozilla.com>
Tue, 24 Mar 2015 09:06:03 +0100
changeset 264087 6229a2b58212102344fc13881703d3cae17e9490
parent 98529 f4157e8c410708d76703f19e4dfb61859bfe32d8
child 368748 8616948dc56c7e0216c775c9aae496628d0dd2e8
permissions -rw-r--r--
Bug 1146364 - use resumeAfter after effectful instructions. r=nbp

/* -*- 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.
 */

void
test_AutoLock()
{
  int lockTypes[] = {
    SQLITE_MUTEX_FAST,
    SQLITE_MUTEX_RECURSIVE,
  };
  for (size_t i = 0; i < ArrayLength(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 < ArrayLength(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"