begin.cpp
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// Boost.Range library
//
// Copyright Neil Groves 2010. 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(BOOST_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/begin.hpp>
#include <boost/test/unit_test.hpp>
#include <boost/test/test_tools.hpp>
#include <boost/test/included/unit_test.hpp>
namespace mock_std
{
template<class SinglePassRange>
inline BOOST_DEDUCED_TYPENAME boost::range_iterator<SinglePassRange>::type
begin(SinglePassRange& rng)
{
return rng.begin();
}
template<class SinglePassRange>
inline BOOST_DEDUCED_TYPENAME boost::range_iterator<const SinglePassRange>::type
begin(const SinglePassRange& rng)
{
return rng.begin();
}
template<class SinglePassRange>
void mock_algorithm_using_begin(const SinglePassRange& rng)
{
BOOST_CHECK( begin(rng) == rng.begin() );
}
template<class SinglePassRange>
void mock_algorithm_using_begin(SinglePassRange& rng)
{
BOOST_CHECK( begin(rng) == rng.begin() );
}
}
namespace boost
{
#ifdef BOOST_RANGE_SIMULATE_BEGIN_WITHOUT_ADL_NAMESPACE_BARRIER
template<class SinglePassRange>
inline BOOST_DEDUCED_TYPENAME range_iterator<SinglePassRange>::type
begin(SinglePassRange& rng)
{
return rng.begin();
}
template<class SinglePassRange>
inline BOOST_DEDUCED_TYPENAME range_iterator<const SinglePassRange>::type
begin(const SinglePassRange& rng)
{
return rng.begin();
}
#endif
class MockTestBeginCollection
{
public:
typedef char value_type;
typedef const char* const_pointer;
typedef char* pointer;
typedef const_pointer const_iterator;
typedef pointer iterator;
MockTestBeginCollection()
: m_first()
, m_last()
{
}
const_iterator begin() const { return m_first; }
iterator begin() { return m_first; }
const_iterator end() const { return m_last; }
iterator end() { return m_last; }
private:
iterator m_first;
iterator m_last;
};
}
namespace
{
void test_range_begin()
{
boost::MockTestBeginCollection c;
const boost::MockTestBeginCollection& const_c = c;
mock_std::mock_algorithm_using_begin(const_c);
mock_std::mock_algorithm_using_begin(c);
}
}
using boost::unit_test::test_suite;
boost::unit_test::test_suite*
init_unit_test_suite( int argc, char* argv[] )
{
boost::unit_test::test_suite* test = BOOST_TEST_SUITE( "Range Test Suite - begin() ADL namespace barrier" );
test->add( BOOST_TEST_CASE( &test_range_begin ) );
return test;
}