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281 lines
9.7 KiB
C++
281 lines
9.7 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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//#define _MSL_USING_NAMESPACE 1
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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/array.hpp>
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#include <boost/range/as_array.hpp>
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#include <boost/range/as_literal.hpp>
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#include <boost/range/functions.hpp>
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#include <boost/range/metafunctions.hpp>
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#include <boost/static_assert.hpp>
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#include <boost/type_traits.hpp>
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#include <boost/test/test_tools.hpp>
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#include <boost/config.hpp>
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#include <vector>
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#include <fstream>
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#include <algorithm>
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namespace
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{
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template< class CharT, std::size_t Length >
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class test_string
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{
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public:
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typedef CharT value_type;
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typedef value_type* pointer;
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typedef const value_type* const_pointer;
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typedef std::size_t size_type;
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typedef value_type array_t[Length];
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typedef const value_type const_array_t[Length];
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explicit test_string(const CharT literal_sz[])
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{
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std::copy(literal_sz, literal_sz + Length, m_buffer.data());
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m_buffer[Length] = value_type();
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}
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const_pointer const_sz() const { return m_buffer.data(); }
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pointer mutable_sz() { return m_buffer.data(); }
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private:
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typedef boost::array<value_type, Length + 1> buffer_t;
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buffer_t m_buffer;
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};
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}
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template< class T >
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inline BOOST_DEDUCED_TYPENAME boost::range_iterator<T>::type
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str_begin( T& r )
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{
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return boost::begin( boost::as_literal(r) );
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}
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template< class T >
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inline BOOST_DEDUCED_TYPENAME boost::range_iterator<T>::type
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str_end( T& r )
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{
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return boost::end( boost::as_literal(r) );
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}
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template< class T >
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inline BOOST_DEDUCED_TYPENAME boost::range_difference<T>::type
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str_size( const T& r )
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{
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return boost::size( boost::as_literal(r) );
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}
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template< class T >
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inline bool
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str_empty( T& r )
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{
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return boost::empty( boost::as_literal(r) );
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}
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template< typename Container, typename T >
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BOOST_DEDUCED_TYPENAME boost::range_iterator<Container>::type
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find( Container& c, T value )
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{
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return std::find( str_begin(c), str_end(c),
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value );
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}
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template< typename Container, typename T >
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BOOST_DEDUCED_TYPENAME boost::range_iterator<const Container>::type
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find( const Container& c, T value )
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{
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return std::find( str_begin(c), str_end(c),
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value );
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}
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template< typename Container, typename T >
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BOOST_DEDUCED_TYPENAME boost::range_iterator<Container>::type
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find_mutable( Container& c, T value )
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{
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str_size( c );
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return std::find( str_begin(c), str_end(c),
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value );
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}
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template< typename Container, typename T >
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BOOST_DEDUCED_TYPENAME boost::range_iterator<const Container>::type
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find_const( const Container& c, T value )
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{
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str_size( c );
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return std::find( str_begin(c), str_end(c),
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value );
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}
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std::vector<char>
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check_rvalue_return()
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{
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return std::vector<char>( 10, 'm' );
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}
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using namespace boost;
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void check_char()
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{
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typedef boost::range_difference<std::string>::type diff_t;
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typedef char* char_iterator_t;
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typedef char char_array_t[10];
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test_string<char, 8> a_string("a string");
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test_string<char, 14> another_string("another string");
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const char* char_s = a_string.const_sz();
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char my_string[] = "another_string";
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const char my_const_string[] = "another string";
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const diff_t my_string_length = 14;
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char* char_s2 = a_string.mutable_sz();
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BOOST_STATIC_ASSERT(( is_same< range_value<char_iterator_t>::type,
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detail::iterator_traits<char_iterator_t>::value_type>::value ));
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BOOST_STATIC_ASSERT(( is_same< range_iterator<char_iterator_t>::type, char_iterator_t >::value ));
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BOOST_STATIC_ASSERT(( is_same< range_difference<char_iterator_t>::type,
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::std::ptrdiff_t >::value ));
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BOOST_STATIC_ASSERT(( is_same< range_size<char_iterator_t>::type, std::size_t >::value ));
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BOOST_STATIC_ASSERT(( is_same< range_iterator<char_iterator_t>::type, char_iterator_t >::value ));
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BOOST_STATIC_ASSERT(( is_same< range_iterator<const char*>::type, const char* >::value ));
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BOOST_STATIC_ASSERT(( is_same< range_value<char_array_t>::type,
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char>::value ));
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BOOST_STATIC_ASSERT(( is_same< range_iterator<char_array_t>::type, char* >::value ));
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BOOST_STATIC_ASSERT(( is_same< range_iterator<const char_array_t>::type, const char* >::value ));
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BOOST_STATIC_ASSERT(( is_same< range_difference<char_array_t>::type,
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::std::ptrdiff_t >::value ));
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BOOST_STATIC_ASSERT(( is_same< range_size<char_array_t>::type, std::size_t >::value ));
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BOOST_STATIC_ASSERT(( is_same< range_iterator<char_array_t>::type, char* >::value ));
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BOOST_STATIC_ASSERT(( is_same< range_iterator<const char_array_t>::type, const char* >::value ));
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BOOST_CHECK_EQUAL( str_begin( char_s ), char_s );
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const diff_t sz = str_size(char_s);
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const char* str_end1 = str_begin( char_s ) + sz;
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BOOST_CHECK_EQUAL( str_end( char_s ), str_end1 );
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BOOST_CHECK_EQUAL( str_empty( char_s ), (char_s == 0 || char_s[0] == char()) );
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BOOST_CHECK_EQUAL( sz, static_cast<diff_t>(std::char_traits<char>::length(char_s)) );
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BOOST_CHECK_EQUAL( str_begin( my_string ), my_string );
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range_iterator<char_array_t>::type str_end2 = str_begin( my_string ) + str_size(my_string);
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range_iterator<char_array_t>::type str_end3 = str_end(my_string);
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BOOST_CHECK_EQUAL( str_end3, str_end2 );
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BOOST_CHECK_EQUAL( str_empty( my_string ), (my_string == 0 || my_string[0] == char()) );
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BOOST_CHECK_EQUAL( str_size( my_string ), my_string_length );
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BOOST_CHECK_EQUAL( str_size( my_string ), static_cast<diff_t>(std::char_traits<char>::length(my_string)) );
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char to_search = 'n';
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BOOST_CHECK( find_mutable( char_s, to_search ) != str_end( char_s ) );
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BOOST_CHECK( find_const( char_s, to_search ) != str_end(char_s) );
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BOOST_CHECK( find_mutable( my_string, to_search ) != str_end(my_string) );
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BOOST_CHECK( find_const( my_string, to_search ) != str_end(my_string) );
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BOOST_CHECK( find_mutable( char_s2, to_search ) != str_end(char_s) );
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BOOST_CHECK( find_const( char_s2, to_search ) != str_end(char_s2) );
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BOOST_CHECK( find_const( as_array( my_string ), to_search ) != str_end(my_string) );
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BOOST_CHECK( find_const( as_array( my_const_string ), to_search ) != str_end(my_string) );
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//
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// Test that as_literal() always scan for null terminator
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//
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char an_array[] = "foo\0bar";
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BOOST_CHECK_EQUAL( str_begin( an_array ), an_array );
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BOOST_CHECK_EQUAL( str_end( an_array ), an_array + 3 );
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BOOST_CHECK_EQUAL( str_size( an_array ), 3 );
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const char a_const_array[] = "foobar\0doh";
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BOOST_CHECK_EQUAL( str_begin( a_const_array ), a_const_array );
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BOOST_CHECK_EQUAL( str_end( a_const_array ), a_const_array + 6 );
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BOOST_CHECK_EQUAL( str_size( a_const_array ), 6 );
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}
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void check_string()
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{
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check_char();
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#ifndef BOOST_NO_STD_WSTRING
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typedef wchar_t* wchar_iterator_t;
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test_string<wchar_t, 13> a_wide_string(L"a wide string");
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test_string<wchar_t, 19> another_wide_string(L"another wide string");
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const wchar_t* char_ws = a_wide_string.const_sz();
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wchar_t my_wstring[] = L"another wide string";
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wchar_t* char_ws2 = a_wide_string.mutable_sz();
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BOOST_STATIC_ASSERT(( is_same< range_value<wchar_iterator_t>::type,
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detail::iterator_traits<wchar_iterator_t>::value_type>::value ));
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BOOST_STATIC_ASSERT(( is_same< range_iterator<wchar_iterator_t>::type, wchar_iterator_t >::value ));
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BOOST_STATIC_ASSERT(( is_same< range_iterator<const wchar_t*>::type, const wchar_t* >::value ));
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BOOST_STATIC_ASSERT(( is_same< range_difference<wchar_iterator_t>::type,
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detail::iterator_traits<wchar_iterator_t>::difference_type >::value ));
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BOOST_STATIC_ASSERT(( is_same< range_size<wchar_iterator_t>::type, std::size_t >::value ));
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BOOST_STATIC_ASSERT(( is_same< range_iterator<wchar_iterator_t>::type, wchar_iterator_t >::value ));
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BOOST_STATIC_ASSERT(( is_same< range_iterator<const wchar_t*>::type, const wchar_t* >::value ));
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typedef boost::range_difference<std::wstring>::type diff_t;
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const diff_t sz = str_size( char_ws );
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BOOST_CHECK_EQUAL( str_begin( char_ws ), char_ws );
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BOOST_CHECK_EQUAL( str_end(char_ws), (str_begin( char_ws ) + sz) );
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BOOST_CHECK_EQUAL( str_empty( char_ws ), (char_ws == 0 || char_ws[0] == wchar_t()) );
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BOOST_CHECK_EQUAL( sz, static_cast<diff_t>(std::char_traits<wchar_t>::length(char_ws)) );
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wchar_t to_search = L'n';
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BOOST_CHECK( find( char_ws, to_search ) != str_end(char_ws) );
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BOOST_CHECK( find( char_ws2, to_search ) != str_end(char_ws2) );
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#if BOOST_WORKAROUND(_MSC_VER, BOOST_TESTED_AT(1300))
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BOOST_CHECK( find( my_wstring, to_search ) != str_end(my_wstring) );
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#else
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boost::ignore_unused_variable_warning( my_wstring );
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#endif
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#endif
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find( check_rvalue_return(), 'n' );
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}
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#include <boost/test/unit_test.hpp>
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using boost::unit_test::test_suite;
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test_suite* init_unit_test_suite( int argc, char* argv[] )
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{
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test_suite* test = BOOST_TEST_SUITE( "Range Test Suite" );
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test->add( BOOST_TEST_CASE( &check_string ) );
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return test;
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}
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