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ThreadLocalTest.cpp

//
// ThreadLocalTest.cpp
//
// $Id: //poco/1.2/Foundation/testsuite/src/ThreadLocalTest.cpp#1 $
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// Permission is hereby granted, free of charge, to any person or organization
// obtaining a copy of the software and accompanying documentation covered by
// this license (the "Software") to use, reproduce, display, distribute,
// execute, and transmit the Software, and to prepare derivative works of the
// Software, and to permit third-parties to whom the Software is furnished to
// do so, all subject to the following:
// 
// The copyright notices in the Software and this entire statement, including
// the above license grant, this restriction and the following disclaimer,
// must be included in all copies of the Software, in whole or in part, and
// all derivative works of the Software, unless such copies or derivative
// works are solely in the form of machine-executable object code generated by
// a source language processor.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
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// DEALINGS IN THE SOFTWARE.
//


#include "ThreadLocalTest.h"
#include "CppUnit/TestCaller.h"
#include "CppUnit/TestSuite.h"
#include "Poco/ThreadLocal.h"
#include "Poco/Thread.h"
#include "Poco/Runnable.h"


using Poco::ThreadLocal;
using Poco::Thread;
using Poco::Runnable;


class TLTestRunnable: public Runnable
{
public:
      TLTestRunnable(int n): _n(n)
      {
      }

      void run()
      {
            *_count = 0;
            for (int i = 0; i < _n; ++i)
                  ++(*_count);
            _result = *_count;
      }
      
      int result()
      {
            return _result;
      }
      
private:
      int _n;
      int _result;
      static ThreadLocal<int> _count;
};


struct TLTestStruct
{
      int i;
      std::string s;
};


ThreadLocal<int> TLTestRunnable::_count;


ThreadLocalTest::ThreadLocalTest(const std::string& name): CppUnit::TestCase(name)
{
}


ThreadLocalTest::~ThreadLocalTest()
{
}


void ThreadLocalTest::testLocality()
{
      TLTestRunnable r1(5000);
      TLTestRunnable r2(7500);
      TLTestRunnable r3(6000);
      Thread t1;
      Thread t2;
      Thread t3;
      t1.start(r1);
      t2.start(r2);
      t3.start(r3);
      t1.join();
      t2.join();
      t3.join();
      
      assert (r1.result() == 5000);
      assert (r2.result() == 7500);
      assert (r3.result() == 6000);
}


void ThreadLocalTest::testAccessors()
{
      ThreadLocal<TLTestStruct> ts;
      ts->i = 100;
      ts->s = "foo";
      assert ((*ts).i == 100);
      assert ((*ts).s == "foo");
      assert (ts.get().i == 100);
      assert (ts.get().s == "foo");
}


void ThreadLocalTest::setUp()
{
}


void ThreadLocalTest::tearDown()
{
}


CppUnit::Test* ThreadLocalTest::suite()
{
      CppUnit::TestSuite* pSuite = new CppUnit::TestSuite("ThreadLocalTest");

      CppUnit_addTest(pSuite, ThreadLocalTest, testLocality);
      CppUnit_addTest(pSuite, ThreadLocalTest, testAccessors);

      return pSuite;
}

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