//  (C) Copyright Gennadiy Rozental 2011-2015.
//  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.


// compiler optimizations may cause this code NOT to crash.
#if defined(_MSC_VER)
  #pragma optimize("", off)
  #define DISABLE_OPTIMIZATIONS
#elif defined(__clang__)
  #define DISABLE_OPTIMIZATIONS __attribute__ ((optnone))
#elif defined(__GNUC__)
  #define DISABLE_OPTIMIZATIONS __attribute__ ((optnone))
#endif


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

extern void foo( int i );

BOOST_AUTO_TEST_CASE( test_external_interface )
{
  for( int i = 3; i >=0; i-- ) {
    BOOST_TEST_CHECKPOINT( "Calling foo with i=" << i );
    foo( i );
  }
}

DISABLE_OPTIMIZATIONS
void goo( int )
{
}

DISABLE_OPTIMIZATIONS
void foo( int i )
{
    goo( 2/(i-1) );
}
//]

#if defined(BOOST_MSVC) && (BOOST_MSVC > 1900)
#pragma optimize("", on)
#endif