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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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