atomicint.cpp

Pegasus is an open-source implementationof the DMTF CIM and WBEM standards. It is designed to be por

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#include <Pegasus/Common/PegasusAssert.h>
#include <Pegasus/Common/Thread.h>
#include <Pegasus/Common/InternalException.h>

PEGASUS_USING_PEGASUS;
PEGASUS_USING_STD;

void test01()
{
    Boolean bad = false;
    try
    {
        Boolean verbose = (getenv("PEGASUS_TEST_VERBOSE")) ? true : false;
	        
	AtomicInt i,j,ii,jj;

	if (verbose) {
		cout << "Testing: i++, ++ii, i--, --i	"<< endl;
	}
	i = 5;
	i++;
	PEGASUS_TEST_ASSERT( i.get() == 6 );
	i++;
	PEGASUS_TEST_ASSERT( i.get() == 7 );
	i--;
	PEGASUS_TEST_ASSERT( i.get() == 6 );
	i--;
	PEGASUS_TEST_ASSERT( i.get() == 5 );

	if (verbose) 
	    cout << "Testing: i+Uint32, i+AtomicInt, i-Uint32, etc.. "<<endl;
    }
    catch (Exception & e)
    {
        cout << "Exception: " << e.getMessage () << endl;
        exit (1);
    }
}

static AtomicInt _ai1(0);
static AtomicInt _ai2(0);

ThreadReturnType PEGASUS_THREAD_CDECL test_thread(void* parm)
{
    Thread* thread = (Thread*)parm;

    for (;;)
    {
	const size_t N = 100000;

	for (size_t i = 0; i < N; i++)
	{
	    for (size_t i = 0; i < 3; i++)
	    {
		_ai1++;
		_ai2++;
	    }

	    for (size_t i = 0; i < 3; i++)
	    {
		_ai1.decAndTestIfZero();
		_ai2.decAndTestIfZero();
	    }
	}

	break;
    }

    return 0;
}

void test02()
{
    Thread t1(test_thread, 0, false);
    t1.run();

    Thread t2(test_thread, 0, false);
    t2.run();

    t1.join();
    t2.join();

    PEGASUS_TEST_ASSERT(_ai1.get() == 0);
    PEGASUS_TEST_ASSERT(_ai2.get() == 0);
}

int main(int argc, char** argv)
{
    test01();
    test02();

    cout << argv[0] << " +++++ passed all tests" << endl;

    return 0;
}