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/*
* Copyright (C) 2005-2011 Team XBMC
* http://www.xbmc.org
*
* This Program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This Program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with XBMC; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
* http://www.gnu.org/copyleft/gpl.html
*
*/
#include "TestHelpers.h"
#include "threads/Atomics.h"
#include <boost/shared_array.hpp>
#include <iostream>
#define TESTNUM 100000l
#define NUMTHREADS 10l
class DoIncrement : public IRunnable
{
long* number;
public:
inline DoIncrement(long* num) : number(num) {}
virtual void Run()
{
for (long i = 0; i<TESTNUM; i++)
AtomicIncrement(number);
}
};
class DoDecrement : public IRunnable
{
long* number;
public:
inline DoDecrement(long* num) : number(num) {}
virtual void Run()
{
for (long i = 0; i<TESTNUM; i++)
AtomicDecrement(number);
}
};
class DoAdd : public IRunnable
{
long* number;
long toAdd;
public:
inline DoAdd(long* num, long toAd) : number(num), toAdd(toAd) {}
virtual void Run()
{
for (long i = 0; i<TESTNUM; i++)
AtomicAdd(number,toAdd);
}
};
class DoSubtract : public IRunnable
{
long* number;
long toAdd;
public:
inline DoSubtract(long* num, long toAd) : number(num), toAdd(toAd) {}
virtual void Run()
{
for (long i = 0; i<TESTNUM; i++)
AtomicSubtract(number,toAdd);
}
};
TEST(TestMassAtomic, Increment)
{
long lNumber = 0;
boost::shared_array<thread> t;
t.reset(new thread[NUMTHREADS]);
DoIncrement di(&lNumber);
for(size_t i=0; i<NUMTHREADS; i++)
t[i] = thread(di);
for(size_t i=0; i<NUMTHREADS; i++)
t[i].join();
EXPECT_EQ((NUMTHREADS * TESTNUM), lNumber);
}
TEST(TestMassAtomic, Decrement)
{
long lNumber = (NUMTHREADS * TESTNUM);
boost::shared_array<thread> t;
t.reset(new thread[NUMTHREADS]);
DoDecrement dd(&lNumber);
for(size_t i=0; i<NUMTHREADS; i++)
t[i] = thread(dd);
for(size_t i=0; i<NUMTHREADS; i++)
t[i].join();
EXPECT_EQ(0, lNumber);
}
TEST(TestMassAtomic, Add)
{
long lNumber = 0;
long toAdd = 10;
boost::shared_array<thread> t;
t.reset(new thread[NUMTHREADS]);
DoAdd da(&lNumber,toAdd);
for(size_t i=0; i<NUMTHREADS; i++)
t[i] = thread(da);
for(size_t i=0; i<NUMTHREADS; i++)
t[i].join();
EXPECT_EQ((NUMTHREADS * TESTNUM) * toAdd, lNumber);
}
TEST(TestMassAtomic, Subtract)
{
long toSubtract = 10;
long lNumber = (NUMTHREADS * TESTNUM) * toSubtract;
boost::shared_array<thread> t;
t.reset(new thread[NUMTHREADS]);
DoSubtract ds(&lNumber,toSubtract);
for(size_t i=0; i<NUMTHREADS; i++)
t[i] = thread(ds);
for(size_t i=0; i<NUMTHREADS; i++)
t[i].join();
EXPECT_EQ(0, lNumber);
}
#define STARTVAL 767856l
TEST(TestAtomic, Increment)
{
long check = STARTVAL;
EXPECT_EQ(STARTVAL + 1l, AtomicIncrement(&check));
EXPECT_EQ(STARTVAL + 1l,check);
}
TEST(TestAtomic, Decrement)
{
long check = STARTVAL;
EXPECT_EQ(STARTVAL - 1l, AtomicDecrement(&check));
EXPECT_EQ(STARTVAL - 1l,check);
}
TEST(TestAtomic, Add)
{
long check = STARTVAL;
EXPECT_EQ(STARTVAL + 123l, AtomicAdd(&check,123l));
EXPECT_EQ(STARTVAL + 123l,check);
}
TEST(TestAtomic, Subtract)
{
long check = STARTVAL;
EXPECT_EQ(STARTVAL - 123l, AtomicSubtract(&check,123l));
EXPECT_EQ(STARTVAL - 123l, check);
}
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