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// $Id$
// ============================================================================
//
// = LIBRARY
// tests
//
// = FILENAME
// Simple_Message_Block_Test.cpp
//
// = DESCRIPTION
// This test program is a torture test that illustrates how
// ACE_Message_Block reference counting works, how and when locks
// are used, how memory is managed, and how continuation chains
// of message blocks are made. Ideally used with purify :-)
//
// = AUTHOR
// Irfan Pyarali <irfan@cs.wustl.edu>
//
// ============================================================================
#include "test_config.h"
#include "ace/Message_Block.h"
#include "ace/Synch_Traits.h"
#include "ace/Lock_Adapter_T.h"
#include "ace/OS_NS_string.h"
#include "ace/Thread_Mutex.h"
ACE_RCSID(tests, Simple_Message_Block_Test, "$Id$")
int
run_main (int, ACE_TCHAR *[])
{
ACE_START_TEST (ACE_TEXT ("Simple_Message_Block_Test"));
{
// Checks normal stack deletes.
ACE_Message_Block mb;
}
{
// Checks normal heap deletes.
ACE_Message_Block *mb;
ACE_NEW_RETURN (mb, ACE_Message_Block, -1);
mb->release ();
}
{
// Checks continuation of message blocks on the stack.
ACE_Message_Block mb1 (1024);
ACE_Message_Block mb2 (1024);
mb1.cont (&mb2);
}
{
// Checks continuation of message blocks on the heap.
ACE_Message_Block *mb1;
ACE_Message_Block *mb2;
ACE_NEW_RETURN (mb1, ACE_Message_Block (1024), -1);
ACE_NEW_RETURN (mb2, ACE_Message_Block (1024), -1);
mb1->cont (mb2);
mb1->release ();
}
// Same set of tests but with locking_strategy set.
{
ACE_Lock_Adapter <ACE_SYNCH_MUTEX> mutex;
ACE_Lock *lock = &mutex;
{
// Checks normal stack deletes.
ACE_Message_Block mb;
mb.locking_strategy (lock);
}
{
// Checks normal heap deletes.
ACE_Message_Block *mb;
ACE_NEW_RETURN (mb, ACE_Message_Block, -1);
mb->locking_strategy (lock);
mb->release ();
}
{
// Checks continuation of message blocks on the stack with one
// lock strategy.
ACE_Message_Block mb1 (1024);
ACE_Message_Block mb2 (1024);
mb1.locking_strategy (lock);
mb1.cont (&mb2);
}
{
// Checks continuation of message blocks on the heap with one
// lock strategy.
ACE_Message_Block *mb1;
ACE_Message_Block *mb2;
ACE_NEW_RETURN (mb1, ACE_Message_Block (1024), -1);
ACE_NEW_RETURN (mb2, ACE_Message_Block (1024), -1);
mb1->locking_strategy (lock);
mb1->cont (mb2);
mb1->release ();
}
{
// Checks continuation of message blocks on the stack with two
// lock strategy.
ACE_Message_Block mb1 (1024);
ACE_Message_Block mb2 (1024);
mb1.locking_strategy (lock);
mb2.locking_strategy (lock);
mb1.cont (&mb2);
}
{
// Checks continuation of message blocks on the heap with two
// lock strategy
ACE_Message_Block *mb1;
ACE_Message_Block *mb2;
ACE_NEW_RETURN (mb1, ACE_Message_Block (1024), -1);
ACE_NEW_RETURN (mb2, ACE_Message_Block (1024), -1);
mb1->locking_strategy (lock);
mb2->locking_strategy (lock);
mb1->cont (mb2);
mb1->release ();
}
{
// Checks continuation of message blocks on the heap with two
// lock strategy where the second one is a duplicate of the
// first
ACE_Message_Block *mb1;
ACE_NEW_RETURN (mb1, ACE_Message_Block (1024), -1);
mb1->locking_strategy (lock);
ACE_Message_Block *mb2 = mb1->duplicate ();
mb1->cont (mb2);
mb1->release ();
}
}
{
// Checks continuation of message blocks on the heap with two
// different lock strategies
ACE_Lock_Adapter <ACE_SYNCH_MUTEX> lock1;
ACE_Lock_Adapter <ACE_SYNCH_MUTEX> lock2;
ACE_Message_Block *mb1;
ACE_Message_Block *mb2;
ACE_NEW_RETURN (mb1, ACE_Message_Block (1024), -1);
ACE_NEW_RETURN (mb2, ACE_Message_Block (1024), -1);
mb1->locking_strategy (&lock1);
mb2->locking_strategy (&lock2);
mb1->cont (mb2);
mb1->release ();
}
{
// Checks failure of copy when "virtual" allocation (using mark)
// is too small
char message[]="abcdefghijklmnop";
ACE_Message_Block mb1 (ACE_OS::strlen (message) + 1);
ACE_Message_Block mb2 (ACE_OS::strlen (message) + 1);
// Resize mb2 so that we mark for use less than the allocated buffer
if (mb2.size (ACE_OS::strlen (message) + 1 - 10) == -1)
{
ACE_ERROR ((LM_ERROR,
ACE_TEXT ("(%P|%t) Resize test failed ..\n")));
}
// We expect this to succeed
if (mb1.copy (message, ACE_OS::strlen (message) + 1) == -1)
{
ACE_ERROR ((LM_ERROR,
ACE_TEXT ("(%P|%t) Copy test failed ..\n")));
}
// We expect this to fail
if (mb2.copy (message, ACE_OS::strlen (message) + 1) != -1)
{
ACE_ERROR ((LM_ERROR,
ACE_TEXT ("(%P|%t) Copy test succeeded when it should have failed ..\n")));
}
// We also expect this to fail
if (mb2.copy (message) != -1)
{
ACE_ERROR ((LM_ERROR,
ACE_TEXT ("(%P|%t) Copy test succeeded when it should have failed ..\n")));
}
}
ACE_END_TEST;
return 0;
}
#if defined (ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION)
template class ACE_Lock_Adapter<ACE_SYNCH_MUTEX>;
#elif defined (ACE_HAS_TEMPLATE_INSTANTIATION_PRAGMA)
#pragma instantiate ACE_Lock_Adapter<ACE_SYNCH_MUTEX>
#endif /* ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION */
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