Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

libs/test/doc/src/examples/example56.cpp

#define BOOST_TEST_MODULE example
#include <boost/test/included/unit_test.hpp>

//____________________________________________________________________________//

BOOST_AUTO_TEST_CASE( test )
{
    int i = 7;
    int j = 7;
    BOOST_CHECK_LT( i, j );
}

//____________________________________________________________________________//