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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* 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/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 .
*/
#include <sal/config.h>
#include <iostream>
#include <sal/types.h>
#include <osl/thread.hxx>
#include <rtl/instance.hxx>
#include <rtl/ustring.hxx>
#include <cppunit/TestFixture.h>
#include <cppunit/extensions/HelperMacros.h>
#include <cppunit/plugin/TestPlugIn.h>
#ifdef _WIN32
#if !defined WIN32_LEAN_AND_MEAN
# define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
#else
#include <unistd.h>
#include <time.h>
#endif
#define CONST_TEST_STRING "gregorian"
namespace {
struct Gregorian : public rtl::StaticWithInit<OUString, Gregorian> {
OUString operator () () {
return CONST_TEST_STRING;
}
};
/** Simple thread for testing Thread-create.
* Just add 1 of value 0, and after running, result is 1.
*/
class OGetThread : public osl::Thread
{
osl::Mutex m_mutex;
sal_Int32 m_nOK;
sal_Int32 m_nFails;
OUString m_sConstStr;
public:
OGetThread()
:m_nOK(0),
m_nFails(0),
m_sConstStr(CONST_TEST_STRING)
{
}
sal_Int32 getOK() { osl::MutexGuard g(m_mutex); return m_nOK; }
sal_Int32 getFails() {osl::MutexGuard g(m_mutex); return m_nFails;}
protected:
/** guarded value which initialized 0
@see ThreadSafeValue
*/
void SAL_CALL run() override
{
for (int i = 0; i != 5; ++i)
{
OUString aStr = Gregorian::get();
if (aStr == m_sConstStr)
{
osl::MutexGuard g(m_mutex);
m_nOK++;
}
else
{
osl::MutexGuard g(m_mutex);
m_nFails++;
}
}
}
public:
virtual ~OGetThread() override
{
if (isRunning())
{
printf("error: not terminated.\n");
}
}
};
}
namespace rtl_DoubleLocking
{
/** Test of the osl::Thread::create method
*/
class getValue : public CppUnit::TestFixture
{
public:
void getValue_001()
{
OUString aStr = Gregorian::get();
CPPUNIT_ASSERT_MESSAGE(
"Gregorian::get() failed, wrong value expected.",
!aStr.isEmpty()
);
}
/** check 2 threads.
ALGORITHM:
Here the function should show, that 2 different threads,
which only increase a value, should run at the same time with same prio.
The test fails, if the difference between the two values is more than 5%
but IMHO this isn't a failure, it's only a feature of the OS.
*/
void getValue_002()
{
// initial 5 threads with different priorities
OGetThread* pThread = new OGetThread();
OGetThread* p2Thread = new OGetThread();
//Create them and start running at the same time
pThread->create();
p2Thread->create();
pThread->join();
p2Thread->join();
sal_Int32 nValueOK = pThread->getOK();
sal_Int32 nValueOK2 = p2Thread->getOK();
std::cout << "Value in Thread #1 is " << nValueOK << "\n";
std::cout << "Value in Thread #2 is " << nValueOK2 << "\n";
sal_Int32 nValueFails = pThread->getFails();
sal_Int32 nValueFails2 = p2Thread->getFails();
delete pThread;
delete p2Thread;
CPPUNIT_ASSERT_EQUAL(sal_Int32(5), nValueOK);
CPPUNIT_ASSERT_EQUAL(sal_Int32(5), nValueOK2);
CPPUNIT_ASSERT_EQUAL(sal_Int32(0), nValueFails);
CPPUNIT_ASSERT_EQUAL(sal_Int32(0), nValueFails2);
}
CPPUNIT_TEST_SUITE(getValue);
CPPUNIT_TEST(getValue_001);
CPPUNIT_TEST(getValue_002);
CPPUNIT_TEST_SUITE_END();
}; // class create
CPPUNIT_TEST_SUITE_REGISTRATION(rtl_DoubleLocking::getValue);
} // namespace rtl_DoubleLocking
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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