foreach/test/call_once.cpp
2014-01-10 22:17:48 -08:00

41 lines
776 B
C++

// (C) Copyright Eric Niebler 2005.
// Use, modification and distribution are subject to 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)
/*
Revision history:
25 August 2005 : Initial version.
*/
#include <vector>
#include <boost/test/minimal.hpp>
#include <boost/foreach.hpp>
// counter
int counter = 0;
std::vector<int> my_vector(4,4);
std::vector<int> const &get_vector()
{
++counter;
return my_vector;
}
///////////////////////////////////////////////////////////////////////////////
// test_main
//
int test_main( int, char*[] )
{
BOOST_FOREACH(int i, get_vector())
{
((void)i); // no-op
}
BOOST_CHECK(1 == counter);
return 0;
}