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// Boost.Range library
//
// Copyright Thorsten Ottosen 2003-2004. Use, modification and
// distribution is 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)
//
// For more information, see http://www.boost.org/libs/range/
//
#include <boost/detail/workaround.hpp>
#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
# pragma warn -8091 // suppress warning in Boost.Test
# pragma warn -8057 // unused argument argc/argv in Boost.Test
#endif
#include <boost/range.hpp>
#include <boost/test/test_tools.hpp>
#include <boost/test/unit_test.hpp>
#include <vector>
//
// Generic range algorithm
//
template< class Rng >
typename boost::range_iterator<Rng>::type foo_algo( Rng& r )
{
//
// This will only compile for Rng = UDT if the qualified calls
// find boost_range_XXX via ADL.
//
return boost::size(r) == 0u ? boost::begin(r) : boost::end(r);
}
namespace Foo
{
//
// Our sample UDT
//
struct X
{
X() : vec() { }
typedef std::vector<int> data_t;
typedef data_t::iterator iterator;
typedef data_t::const_iterator const_iterator;
data_t vec;
void push_back( int i )
{ vec.push_back(i); }
};
//
// The required functions. No type-traits need
// to be defined because X defines the proper set of
// nested types.
//
inline X::iterator range_begin( X& x )
{
return x.vec.begin();
}
inline X::const_iterator range_begin( const X& x )
{
return x.vec.begin();
}
inline X::iterator range_end( X& x )
{
return x.vec.end();
}
inline X::const_iterator range_end( const X& x )
{
return x.vec.end();
}
}
void check_extension()
{
Foo::X x;
x.push_back(3);
const Foo::X x2;
foo_algo( x );
foo_algo( x2 );
}
using boost::unit_test::test_suite;
test_suite* init_unit_test_suite( int argc, char* argv[] )
{
test_suite* test = BOOST_TEST_SUITE( "Range Test Suite" );
test->add( BOOST_TEST_CASE( &check_extension ) );
return test;
}
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