text: //  (C) Copyright Gennadiy Rozental 2001-2014.
  //  Distributed under the Boost Software License, Version 1.0.
  //  (See accompanying file LICENSE_1_0.txt or copy at 
  //  http://www.boost.org/LICENSE_1_0.txt)
  
  //  See http://www.boost.org/libs/test for the library home page.
  
  #include <boost/test/prg_exec_monitor.hpp>
  
  int add( int i, int j ) { return i+j; }
  
  int cpp_main( int, char *[] )  // note the name!
  { 
      // two ways to detect and report the same error:
      if ( add(2,2) != 4 ) throw "Oops..."; // #1 throws on error
  
      return add(2,2) == 4 ? 15 : 1;         // #2 returns error directly
  }
  
  // EOF
  