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290 lines
8.0 KiB
C++
290 lines
8.0 KiB
C++
// Boost.Range library
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//
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// Copyright Thorsten Ottosen 2003-2004. Use, modification and
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// distribution is subject to the Boost Software License, Version
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// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// For more information, see http://www.boost.org/libs/range/
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//
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#include <boost/detail/workaround.hpp>
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#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
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# pragma warn -8091 // suppress warning in Boost.Test
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# pragma warn -8057 // unused argument argc/argv in Boost.Test
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#endif
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#include <boost/range/sub_range.hpp>
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#include <boost/range/as_literal.hpp>
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#include <boost/test/unit_test.hpp>
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#include <boost/test/test_tools.hpp>
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#include <iostream>
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#include <string>
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#include <vector>
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namespace boost_range_test
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{
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namespace
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{
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void check_sub_range()
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{
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typedef std::string::iterator iterator;
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typedef std::string::const_iterator const_iterator;
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typedef boost::iterator_range<iterator> irange;
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typedef boost::iterator_range<const_iterator> cirange;
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std::string str = "hello world";
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const std::string cstr = "const world";
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irange r = boost::make_iterator_range( str );
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r = boost::make_iterator_range( str.begin(), str.end() );
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cirange r2 = boost::make_iterator_range( cstr );
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r2 = boost::make_iterator_range( cstr.begin(), cstr.end() );
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r2 = boost::make_iterator_range( str );
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typedef boost::sub_range<std::string> srange;
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typedef boost::sub_range<const std::string> csrange;
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srange s = r;
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BOOST_CHECK( r == r );
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BOOST_CHECK( s == r );
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s = boost::make_iterator_range( str );
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csrange s2 = r;
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s2 = r2;
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s2 = boost::make_iterator_range( cstr );
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BOOST_CHECK( r2 == r2 );
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BOOST_CHECK( s2 != r2 );
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s2 = boost::make_iterator_range( str );
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BOOST_CHECK( !(s != s) );
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BOOST_CHECK( r.begin() == s.begin() );
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BOOST_CHECK( r2.begin()== s2.begin() );
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BOOST_CHECK( r.end() == s.end() );
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BOOST_CHECK( r2.end() == s2.end() );
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BOOST_CHECK_EQUAL( r.size(), s.size() );
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BOOST_CHECK_EQUAL( r2.size(), s2.size() );
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//#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
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// if( !(bool)r )
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// BOOST_CHECK( false );
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// if( !(bool)r2 )
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// BOOST_CHECK( false );
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// if( !(bool)s )
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// BOOST_CHECK( false );
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// if( !(bool)s2 )
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// BOOST_CHECK( false );
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//#else
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if( !r )
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BOOST_CHECK( false );
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if( !r2 )
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BOOST_CHECK( false );
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if( !s )
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BOOST_CHECK( false );
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if( !s2 )
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BOOST_CHECK( false );
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//#endif
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std::cout << r << r2 << s << s2;
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std::string res = boost::copy_range<std::string>( r );
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BOOST_CHECK_EQUAL_COLLECTIONS( res.begin(), res.end(), r.begin(), r.end() );
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r.empty();
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s.empty();
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r.size();
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s.size();
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//
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// As of range v2 not legal anymore.
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//
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//irange singular_irange;
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//BOOST_CHECK( singular_irange.empty() );
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//BOOST_CHECK( singular_irange.size() == 0 );
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//
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//srange singular_srange;
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//BOOST_CHECK( singular_srange.empty() );
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//BOOST_CHECK( singular_srange.size() == 0 );
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//
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//BOOST_CHECK( empty( singular_irange ) );
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//BOOST_CHECK( empty( singular_srange ) );
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//
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srange rr = boost::make_iterator_range( str );
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BOOST_CHECK( rr.equal( r ) );
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rr = boost::make_iterator_range( str.begin(), str.begin() + 5 );
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BOOST_CHECK( rr == boost::as_literal("hello") );
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BOOST_CHECK( rr != boost::as_literal("hell") );
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BOOST_CHECK( rr < boost::as_literal("hello dude") );
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BOOST_CHECK( boost::as_literal("hello") == rr );
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BOOST_CHECK( boost::as_literal("hell") != rr );
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BOOST_CHECK( ! (boost::as_literal("hello dude") < rr ) );
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irange rrr = rr;
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BOOST_CHECK( rrr == rr );
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BOOST_CHECK( !( rrr != rr ) );
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BOOST_CHECK( !( rrr < rr ) );
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const irange cr = boost::make_iterator_range( str );
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BOOST_CHECK_EQUAL( cr.front(), 'h' );
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BOOST_CHECK_EQUAL( cr.back(), 'd' );
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BOOST_CHECK_EQUAL( cr[1], 'e' );
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BOOST_CHECK_EQUAL( cr(1), 'e' );
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rrr = boost::make_iterator_range( str, 1, -1 );
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BOOST_CHECK( rrr == boost::as_literal("ello worl") );
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rrr = boost::make_iterator_range( rrr, -1, 1 );
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BOOST_CHECK( rrr == str );
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rrr.front() = 'H';
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rrr.back() = 'D';
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rrr[1] = 'E';
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BOOST_CHECK( rrr == boost::as_literal("HEllo worlD") );
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}
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template<class T>
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void check_mutable_type(T&)
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{
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BOOST_STATIC_ASSERT(!boost::is_const<T>::value);
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}
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template<class T>
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void check_constant_type(T&)
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{
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BOOST_STATIC_ASSERT(boost::is_const<T>::value);
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}
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template<class Range, class Iterator>
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void check_is_const_iterator(Iterator it)
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{
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BOOST_STATIC_ASSERT((
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boost::is_same<
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BOOST_DEDUCED_TYPENAME boost::range_iterator<
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BOOST_DEDUCED_TYPENAME boost::add_const<Range>::type
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>::type,
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Iterator
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>::value));
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}
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template<class Range, class Iterator>
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void check_is_iterator(Iterator it)
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{
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BOOST_STATIC_ASSERT((
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boost::is_same<
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BOOST_DEDUCED_TYPENAME boost::range_iterator<
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BOOST_DEDUCED_TYPENAME boost::remove_const<Range>::type
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>::type,
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Iterator
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>::value));
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}
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void const_propagation_mutable_collection(void)
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{
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typedef std::vector<int> coll_t;
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typedef boost::sub_range<coll_t> sub_range_t;
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coll_t c;
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c.push_back(0);
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sub_range_t rng(c);
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const sub_range_t crng(c);
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check_is_iterator<sub_range_t>(rng.begin());
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check_is_iterator<sub_range_t>(rng.end());
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check_is_const_iterator<sub_range_t>(crng.begin());
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check_is_const_iterator<sub_range_t>(crng.end());
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check_mutable_type(rng[0]);
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check_mutable_type(rng.front());
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check_mutable_type(rng.back());
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check_constant_type(crng[0]);
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check_constant_type(crng.front());
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check_constant_type(crng.back());
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}
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void const_propagation_const_collection(void)
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{
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typedef std::vector<int> coll_t;
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typedef boost::sub_range<const coll_t> sub_range_t;
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coll_t c;
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c.push_back(0);
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sub_range_t rng(c);
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const sub_range_t crng(c);
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check_is_const_iterator<sub_range_t>(rng.begin());
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check_is_const_iterator<sub_range_t>(rng.end());
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check_is_const_iterator<sub_range_t>(crng.begin());
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check_is_const_iterator<sub_range_t>(crng.end());
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check_constant_type(rng[0]);
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check_constant_type(rng.front());
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check_constant_type(rng.back());
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check_constant_type(crng[0]);
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check_constant_type(crng.front());
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check_constant_type(crng.back());
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}
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inline void test_advance()
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{
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std::vector<int> l;
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l.push_back(1);
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l.push_back(2);
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typedef boost::sub_range<std::vector<int> > rng_t;
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rng_t r1(l.begin(), l.end());
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BOOST_CHECK(r1.advance_begin(1).advance_end(-1).empty());
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rng_t r2(l.begin(), l.end());
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BOOST_CHECK_EQUAL(r2.advance_begin(1).size(), 1u);
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rng_t r3(l.begin(), l.end());
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BOOST_CHECK_EQUAL(r3.advance_end(-1).size(), 1u);
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}
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void ticket_10514()
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{
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typedef std::vector<int> vec_t;
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typedef boost::sub_range<vec_t> range_t;
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vec_t v(10);
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range_t r(v.begin(), v.end());
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const range_t& cr = r;
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range_t copy_r = cr;
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BOOST_CHECK(r.begin() == copy_r.begin());
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BOOST_CHECK(r.end() == copy_r.end());
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BOOST_CHECK(cr.begin() == copy_r.begin());
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BOOST_CHECK(cr.end() == copy_r.end());
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}
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} // anonymous namespace
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} // namespace boost_range_test
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boost::unit_test::test_suite* init_unit_test_suite(int, char*[])
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{
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boost::unit_test::test_suite* test =
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BOOST_TEST_SUITE( "Boost.Range sub_range test suite" );
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test->add(BOOST_TEST_CASE(&boost_range_test::check_sub_range));
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test->add(BOOST_TEST_CASE(
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&boost_range_test::const_propagation_const_collection));
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test->add(BOOST_TEST_CASE(
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&boost_range_test::const_propagation_mutable_collection));
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test->add(BOOST_TEST_CASE(&boost_range_test::test_advance));
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test->add(BOOST_TEST_CASE(&boost_range_test::ticket_10514));
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return test;
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}
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