// this function creates the given number of threads and posts msgCount
// messages to the last created thread which, in turn, posts all the messages
// it receives to the previously created thread which does the same and so on
// in cascade -- at the end, each thread will have received all msgCount
// messages directly or indirectly
void QueueTestCase::TestReceive()
{
const int msgCount = 100;
const int threadCount = 10;
ArrayThread threads;
int i;
for ( i = 0; i < threadCount; ++i )
{
MyThread *previousThread = i == 0 ? NULL : threads[i-1];
MyThread *thread =
new MyThread(WaitInfinitlyLong, previousThread, msgCount);
CPPUNIT_ASSERT_EQUAL ( thread->Create(), wxTHREAD_NO_ERROR );
threads.Add(thread);
}
for ( i = 0; i < threadCount; ++i )
{
threads[i]->Run();
}
MyThread* lastThread = threads[threadCount - 1];
for ( i = 0; i < msgCount; ++i )
{
lastThread->GetQueue().Post(i);
}
for ( i = 0; i < threadCount; ++i )
{
// each thread should return the number of messages received.
// if it returns a negative, then it detected some problem.
wxThread::ExitCode code = threads[i]->Wait();
CPPUNIT_ASSERT_EQUAL( code, (wxThread::ExitCode)wxMSGQUEUE_NO_ERROR );
}
}
