void check_iterator_range() { typedef std::string::iterator iterator; typedef std::string::const_iterator const_iterator; typedef boost::iterator_range<iterator> irange; typedef boost::iterator_range<const_iterator> cirange; std::string str = "hello world"; const std::string cstr = "const world"; irange r = boost::make_iterator_range( str ); r = boost::make_iterator_range( str.begin(), str.end() ); cirange r2 = boost::make_iterator_range( cstr ); r2 = boost::make_iterator_range( cstr.begin(), cstr.end() ); r2 = boost::make_iterator_range( str ); BOOST_CHECK( !r.empty() ); BOOST_CHECK( !r2.empty() ); //#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564)) // if( !(bool)r ) // BOOST_CHECK( false ); // if( !(bool)r2 ) // BOOST_CHECK( false ); //#else if( !r ) BOOST_CHECK( false ); if( !r2 ) BOOST_CHECK( false ); //#endif BOOST_CHECK_EQUAL( r.size(), size( r ) ); BOOST_CHECK_EQUAL( r2.size(), size( r2 ) ); BOOST_CHECK_EQUAL( std::distance( r.begin(), r.end() ), std::distance( boost::begin( r2 ), boost::end( r2 ) ) ); std::cout << r << r2; #ifndef BOOST_NO_STD_WSTRING std::wcout << boost::make_iterator_range( std::wstring( L"a wide string" ) ) << boost::make_iterator_range( L"another wide string" ); #endif std::string res = boost::copy_range<std::string>( r ); BOOST_CHECK_EQUAL_COLLECTIONS( res.begin(), res.end(), r.begin(), r.end() ); irange rr = boost::make_iterator_range( str ); BOOST_CHECK( rr.equal( r ) ); rr = boost::make_iterator_range( str.begin(), str.begin() + 5 ); BOOST_CHECK( rr == boost::as_literal("hello") ); BOOST_CHECK( rr != boost::as_literal("hell") ); BOOST_CHECK( rr < boost::as_literal("hello dude") ); BOOST_CHECK( boost::as_literal("hello") == rr ); BOOST_CHECK( boost::as_literal("hell") != rr ); BOOST_CHECK( ! (boost::as_literal("hello dude") < rr ) ); irange rrr = rr; BOOST_CHECK( rrr == rr ); BOOST_CHECK( !( rrr != rr ) ); BOOST_CHECK( !( rrr < rr ) ); const irange cr = boost::make_iterator_range( str ); BOOST_CHECK_EQUAL( cr.front(), 'h' ); BOOST_CHECK_EQUAL( cr.back(), 'd' ); BOOST_CHECK_EQUAL( cr[1], 'e' ); BOOST_CHECK_EQUAL( cr(1), 'e' ); rrr = boost::make_iterator_range( str, 1, -1 ); BOOST_CHECK( rrr == boost::as_literal("ello worl") ); rrr = boost::make_iterator_range( rrr, -1, 1 ); BOOST_CHECK( rrr == str ); check_reference_type(); // Check that an iterator range can be instantiated with // a pointer to an array as an iterator. int arr[2][2]; boost::make_iterator_range(arr, arr + 2); }
void check_sub_range() { typedef string::iterator iterator; typedef string::const_iterator const_iterator; typedef iterator_range<iterator> irange; typedef iterator_range<const_iterator> cirange; string str = "hello world"; const string cstr = "const world"; irange r = make_iterator_range( str ); r = make_iterator_range( str.begin(), str.end() ); cirange r2 = make_iterator_range( cstr ); r2 = make_iterator_range( cstr.begin(), cstr.end() ); r2 = make_iterator_range( str ); typedef sub_range<string> srange; typedef sub_range<const string> csrange; srange s = r; BOOST_CHECK( r == r ); BOOST_CHECK( s == r ); s = make_iterator_range( str ); csrange s2 = r; s2 = r2; s2 = make_iterator_range( cstr ); BOOST_CHECK( r2 == r2 ); BOOST_CHECK( s2 != r2 ); s2 = make_iterator_range( str ); BOOST_CHECK( !(s != s) ); BOOST_CHECK( r.begin() == s.begin() ); BOOST_CHECK( r2.begin()== s2.begin() ); BOOST_CHECK( r.end() == s.end() ); BOOST_CHECK( r2.end() == s2.end() ); BOOST_CHECK_EQUAL( r.size(), s.size() ); BOOST_CHECK_EQUAL( r2.size(), s2.size() ); //#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564)) // if( !(bool)r ) // BOOST_CHECK( false ); // if( !(bool)r2 ) // BOOST_CHECK( false ); // if( !(bool)s ) // BOOST_CHECK( false ); // if( !(bool)s2 ) // BOOST_CHECK( false ); //#else if( !r ) BOOST_CHECK( false ); if( !r2 ) BOOST_CHECK( false ); if( !s ) BOOST_CHECK( false ); if( !s2 ) BOOST_CHECK( false ); //#endif cout << r << r2 << s << s2; string res = copy_range<string>( r ); BOOST_CHECK( equal( res.begin(), res.end(), r.begin() ) ); r.empty(); s.empty(); r.size(); s.size(); // // As of range v2 not legal anymore. // //irange singular_irange; //BOOST_CHECK( singular_irange.empty() ); //BOOST_CHECK( singular_irange.size() == 0 ); // //srange singular_srange; //BOOST_CHECK( singular_srange.empty() ); //BOOST_CHECK( singular_srange.size() == 0 ); // //BOOST_CHECK( empty( singular_irange ) ); //BOOST_CHECK( empty( singular_srange ) ); // srange rr = make_iterator_range( str ); BOOST_CHECK( rr.equal( r ) ); rr = make_iterator_range( str.begin(), str.begin() + 5 ); BOOST_CHECK( rr == as_literal("hello") ); BOOST_CHECK( rr != as_literal("hell") ); BOOST_CHECK( rr < as_literal("hello dude") ); BOOST_CHECK( as_literal("hello") == rr ); BOOST_CHECK( as_literal("hell") != rr ); BOOST_CHECK( ! (as_literal("hello dude") < rr ) ); irange rrr = rr; BOOST_CHECK( rrr == rr ); BOOST_CHECK( !( rrr != rr ) ); BOOST_CHECK( !( rrr < rr ) ); const irange cr = make_iterator_range( str ); BOOST_CHECK_EQUAL( cr.front(), 'h' ); BOOST_CHECK_EQUAL( cr.back(), 'd' ); BOOST_CHECK_EQUAL( cr[1], 'e' ); BOOST_CHECK_EQUAL( cr(1), 'e' ); rrr = make_iterator_range( str, 1, -1 ); BOOST_CHECK( rrr == as_literal("ello worl") ); rrr = make_iterator_range( rrr, -1, 1 ); BOOST_CHECK( rrr == str ); rrr.front() = 'H'; rrr.back() = 'D'; rrr[1] = 'E'; BOOST_CHECK( rrr == as_literal("HEllo worlD") ); }
void check_iterator_range() { typedef string::iterator iterator; typedef string::const_iterator const_iterator; typedef iterator_range<iterator> irange; typedef iterator_range<const_iterator> cirange; string str = "hello world"; const string cstr = "const world"; irange r = make_iterator_range( str ); r = make_iterator_range( str.begin(), str.end() ); cirange r2 = make_iterator_range( cstr ); r2 = make_iterator_range( cstr.begin(), cstr.end() ); r2 = make_iterator_range( str ); BOOST_CHECK( !r.empty() ); BOOST_CHECK( !r2.empty() ); //#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564)) // if( !(bool)r ) // BOOST_CHECK( false ); // if( !(bool)r2 ) // BOOST_CHECK( false ); //#else if( !r ) BOOST_CHECK( false ); if( !r2 ) BOOST_CHECK( false ); //#endif BOOST_CHECK_EQUAL( r.size(), size( r ) ); BOOST_CHECK_EQUAL( r2.size(), size( r2 ) ); BOOST_CHECK_EQUAL( distance( r.begin(), r.end() ), distance( begin( r2 ), end( r2 ) ) ); cout << r << r2; #ifndef BOOST_NO_STD_WSTRING wcout << make_iterator_range( wstring( L"a wide string" ) ) << make_iterator_range( L"another wide string" ); #endif string res = copy_range<string>( r ); BOOST_CHECK( equal( res.begin(), res.end(), r.begin() ) ); irange rr = make_iterator_range( str ); BOOST_CHECK( rr.equal( r ) ); rr = make_iterator_range( str.begin(), str.begin() + 5 ); BOOST_CHECK( rr == as_literal("hello") ); BOOST_CHECK( rr != as_literal("hell") ); BOOST_CHECK( rr < as_literal("hello dude") ); BOOST_CHECK( as_literal("hello") == rr ); BOOST_CHECK( as_literal("hell") != rr ); BOOST_CHECK( ! (as_literal("hello dude") < rr ) ); irange rrr = rr; BOOST_CHECK( rrr == rr ); BOOST_CHECK( !( rrr != rr ) ); BOOST_CHECK( !( rrr < rr ) ); const irange cr = make_iterator_range( str ); BOOST_CHECK_EQUAL( cr.front(), 'h' ); BOOST_CHECK_EQUAL( cr.back(), 'd' ); BOOST_CHECK_EQUAL( cr[1], 'e' ); BOOST_CHECK_EQUAL( cr(1), 'e' ); rrr = make_iterator_range( str, 1, -1 ); BOOST_CHECK( rrr == as_literal("ello worl") ); rrr = make_iterator_range( rrr, -1, 1 ); BOOST_CHECK( rrr == str ); check_reference_type(); }