>Can you give more details on your OS/compiler setup? Is it GCC version? 
>What version of Boost r u using? What usage variant of Boost.Test? 
Sure
gcc 4.0.1 (Apple)
Boost 1.38
Variant: libboost_unit_test_framework-xgcc40-mt-1_38.dylib

> Can you post simplest example here. 
#define BOOST_TEST_MODULE example
#include <boost/test/included/unit_test.hpp>

//____________________________________________________________________________//

BOOST_AUTO_TEST_CASE( free_test_function )
{
BOOST_CHECK( true /* test assertion */ );
}

> What is the value of id? What os the value of res? 
> You mean if line, right? 

Yes, correct.

Sean DeNigris
sean@clipperadams.com