1// Boost.Range library
2//
3// Copyright Thorsten Ottosen 2003-2004. Use, modification and
4// distribution is subject to the Boost Software License, Version
5// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
6// http://www.boost.org/LICENSE_1_0.txt)
7//
8// For more information, see http://www.boost.org/libs/range/
9//
10
11//#define _MSL_USING_NAMESPACE 1
12
13#include <boost/detail/workaround.hpp>
14
15#if BOOST_WORKAROUND(BOOST_BORLANDC, BOOST_TESTED_AT(0x564))
16# pragma warn -8091 // suppress warning in Boost.Test
17# pragma warn -8057 // unused argument argc/argv in Boost.Test
18#endif
19
20#include <boost/array.hpp>
21#include <boost/range/as_array.hpp>
22#include <boost/range/as_literal.hpp>
23#include <boost/range/functions.hpp>
24#include <boost/range/metafunctions.hpp>
25#include <boost/static_assert.hpp>
26#include <boost/type_traits.hpp>
27#include <boost/test/test_tools.hpp>
28#include <boost/config.hpp>
29#include <vector>
30#include <fstream>
31#include <iterator>
32#include <algorithm>
33
34namespace
35{
36 template< class CharT, std::size_t Length >
37 class test_string
38 {
39 public:
40 typedef CharT value_type;
41 typedef value_type* pointer;
42 typedef const value_type* const_pointer;
43 typedef std::size_t size_type;
44 typedef value_type array_t[Length];
45 typedef const value_type const_array_t[Length];
46
47 explicit test_string(const CharT literal_sz[])
48 {
49 std::copy(literal_sz, literal_sz + Length, m_buffer.data());
50 m_buffer[Length] = value_type();
51 }
52
53 const_pointer const_sz() const { return m_buffer.data(); }
54 pointer mutable_sz() { return m_buffer.data(); }
55
56 private:
57 typedef boost::array<value_type, Length + 1> buffer_t;
58 buffer_t m_buffer;
59 };
60}
61
62template< class T >
63inline BOOST_DEDUCED_TYPENAME boost::range_iterator<T>::type
64str_begin( T& r )
65{
66 return boost::begin( boost::as_literal(r) );
67}
68
69template< class T >
70inline BOOST_DEDUCED_TYPENAME boost::range_iterator<T>::type
71str_end( T& r )
72{
73 return boost::end( boost::as_literal(r) );
74}
75
76template< class T >
77inline BOOST_DEDUCED_TYPENAME boost::range_difference<T>::type
78str_size( const T& r )
79{
80 return boost::size( boost::as_literal(r) );
81}
82
83template< class T >
84inline bool
85str_empty( T& r )
86{
87 return boost::empty( boost::as_literal(r) );
88}
89
90template< typename Container, typename T >
91BOOST_DEDUCED_TYPENAME boost::range_iterator<Container>::type
92find( Container& c, T value )
93{
94 return std::find( str_begin(c), str_end(c),
95 value );
96}
97
98template< typename Container, typename T >
99BOOST_DEDUCED_TYPENAME boost::range_iterator<const Container>::type
100find( const Container& c, T value )
101{
102 return std::find( str_begin(c), str_end(c),
103 value );
104}
105
106template< typename Container, typename T >
107BOOST_DEDUCED_TYPENAME boost::range_iterator<Container>::type
108find_mutable( Container& c, T value )
109{
110 str_size( c );
111 return std::find( str_begin(c), str_end(c),
112 value );
113}
114
115template< typename Container, typename T >
116BOOST_DEDUCED_TYPENAME boost::range_iterator<const Container>::type
117find_const( const Container& c, T value )
118{
119 str_size( c );
120 return std::find( str_begin(c), str_end(c),
121 value );
122}
123
124
125std::vector<char>
126check_rvalue_return()
127{
128 return std::vector<char>( 10, 'm' );
129}
130
131using namespace boost;
132
133
134void check_char()
135{
136 typedef boost::range_difference<std::string>::type diff_t;
137 typedef char* char_iterator_t;
138 typedef char char_array_t[10];
139
140 test_string<char, 8> a_string("a string");
141 test_string<char, 14> another_string("another string");
142
143 const char* char_s = a_string.const_sz();
144 char my_string[] = "another_string";
145 const char my_const_string[] = "another string";
146 const diff_t my_string_length = 14;
147 char* char_s2 = a_string.mutable_sz();
148
149 BOOST_STATIC_ASSERT(( is_same< range_value<char_iterator_t>::type,
150 std::iterator_traits<char_iterator_t>::value_type>::value ));
151 BOOST_STATIC_ASSERT(( is_same< range_iterator<char_iterator_t>::type, char_iterator_t >::value ));
152
153 BOOST_STATIC_ASSERT(( is_same< range_difference<char_iterator_t>::type,
154 ::std::ptrdiff_t >::value ));
155 BOOST_STATIC_ASSERT(( is_same< range_size<char_iterator_t>::type, std::size_t >::value ));
156 BOOST_STATIC_ASSERT(( is_same< range_iterator<char_iterator_t>::type, char_iterator_t >::value ));
157 BOOST_STATIC_ASSERT(( is_same< range_iterator<const char*>::type, const char* >::value ));
158
159 BOOST_STATIC_ASSERT(( is_same< range_value<char_array_t>::type,
160 char>::value ));
161 BOOST_STATIC_ASSERT(( is_same< range_iterator<char_array_t>::type, char* >::value ));
162 BOOST_STATIC_ASSERT(( is_same< range_iterator<const char_array_t>::type, const char* >::value ));
163 BOOST_STATIC_ASSERT(( is_same< range_difference<char_array_t>::type,
164 ::std::ptrdiff_t >::value ));
165 BOOST_STATIC_ASSERT(( is_same< range_size<char_array_t>::type, std::size_t >::value ));
166 BOOST_STATIC_ASSERT(( is_same< range_iterator<char_array_t>::type, char* >::value ));
167 BOOST_STATIC_ASSERT(( is_same< range_iterator<const char_array_t>::type, const char* >::value ));
168
169 BOOST_CHECK_EQUAL( str_begin( char_s ), char_s );
170 const diff_t sz = str_size(r: char_s);
171 const char* str_end1 = str_begin( r&: char_s ) + sz;
172 BOOST_CHECK_EQUAL( str_end( char_s ), str_end1 );
173 BOOST_CHECK_EQUAL( str_empty( char_s ), (char_s == 0 || char_s[0] == char()) );
174 BOOST_CHECK_EQUAL( sz, static_cast<diff_t>(std::char_traits<char>::length(char_s)) );
175
176 BOOST_CHECK_EQUAL( str_begin( my_string ), my_string );
177 range_iterator<char_array_t>::type str_end2 = str_begin( r&: my_string ) + str_size(r: my_string);
178 range_iterator<char_array_t>::type str_end3 = str_end(r&: my_string);
179 BOOST_CHECK_EQUAL( str_end3, str_end2 );
180 BOOST_CHECK_EQUAL( str_empty( my_string ), (my_string == 0 || my_string[0] == char()) );
181 BOOST_CHECK_EQUAL( str_size( my_string ), my_string_length );
182 BOOST_CHECK_EQUAL( str_size( my_string ), static_cast<diff_t>(std::char_traits<char>::length(my_string)) );
183
184 char to_search = 'n';
185 BOOST_CHECK( find_mutable( char_s, to_search ) != str_end( char_s ) );
186 BOOST_CHECK( find_const( char_s, to_search ) != str_end(char_s) );
187
188 BOOST_CHECK( find_mutable( my_string, to_search ) != str_end(my_string) );
189 BOOST_CHECK( find_const( my_string, to_search ) != str_end(my_string) );
190
191 BOOST_CHECK( find_mutable( char_s2, to_search ) != str_end(char_s) );
192 BOOST_CHECK( find_const( char_s2, to_search ) != str_end(char_s2) );
193
194 BOOST_CHECK( find_const( as_array( my_string ), to_search ) != str_end(my_string) );
195 BOOST_CHECK( find_const( as_array( my_const_string ), to_search ) != str_end(my_string) );
196
197 //
198 // Test that as_literal() always scan for null terminator
199 //
200 char an_array[] = "foo\0bar";
201 BOOST_CHECK_EQUAL( str_begin( an_array ), an_array );
202 BOOST_CHECK_EQUAL( str_end( an_array ), an_array + 3 );
203 BOOST_CHECK_EQUAL( str_size( an_array ), 3 );
204
205 const char a_const_array[] = "foobar\0doh";
206 BOOST_CHECK_EQUAL( str_begin( a_const_array ), a_const_array );
207 BOOST_CHECK_EQUAL( str_end( a_const_array ), a_const_array + 6 );
208 BOOST_CHECK_EQUAL( str_size( a_const_array ), 6 );
209
210}
211
212
213
214void check_string()
215{
216 check_char();
217
218#ifndef BOOST_NO_STD_WSTRING
219 typedef wchar_t* wchar_iterator_t;
220
221 test_string<wchar_t, 13> a_wide_string(L"a wide string");
222 test_string<wchar_t, 19> another_wide_string(L"another wide string");
223
224 const wchar_t* char_ws = a_wide_string.const_sz();
225 wchar_t my_wstring[] = L"another wide string";
226 wchar_t* char_ws2 = a_wide_string.mutable_sz();
227
228 BOOST_STATIC_ASSERT(( is_same< range_value<wchar_iterator_t>::type,
229 std::iterator_traits<wchar_iterator_t>::value_type>::value ));
230 BOOST_STATIC_ASSERT(( is_same< range_iterator<wchar_iterator_t>::type, wchar_iterator_t >::value ));
231 BOOST_STATIC_ASSERT(( is_same< range_iterator<const wchar_t*>::type, const wchar_t* >::value ));
232 BOOST_STATIC_ASSERT(( is_same< range_difference<wchar_iterator_t>::type,
233 std::iterator_traits<wchar_iterator_t>::difference_type >::value ));
234 BOOST_STATIC_ASSERT(( is_same< range_size<wchar_iterator_t>::type, std::size_t >::value ));
235 BOOST_STATIC_ASSERT(( is_same< range_iterator<wchar_iterator_t>::type, wchar_iterator_t >::value ));
236 BOOST_STATIC_ASSERT(( is_same< range_iterator<const wchar_t*>::type, const wchar_t* >::value ));
237
238 typedef boost::range_difference<std::wstring>::type diff_t;
239 const diff_t sz = str_size( r: char_ws );
240 BOOST_CHECK_EQUAL( str_begin( char_ws ), char_ws );
241 BOOST_CHECK_EQUAL( str_end(char_ws), (str_begin( char_ws ) + sz) );
242 BOOST_CHECK_EQUAL( str_empty( char_ws ), (char_ws == 0 || char_ws[0] == wchar_t()) );
243 BOOST_CHECK_EQUAL( sz, static_cast<diff_t>(std::char_traits<wchar_t>::length(char_ws)) );
244
245 wchar_t to_search = L'n';
246 BOOST_CHECK( find( char_ws, to_search ) != str_end(char_ws) );
247 BOOST_CHECK( find( char_ws2, to_search ) != str_end(char_ws2) );
248
249#if BOOST_WORKAROUND(_MSC_VER, BOOST_TESTED_AT(1300))
250
251 BOOST_CHECK( find( my_wstring, to_search ) != str_end(my_wstring) );
252
253#else
254
255 boost::ignore_unused_variable_warning( my_wstring );
256
257#endif
258#endif
259
260 find( c: check_rvalue_return(), value: 'n' );
261
262}
263
264#include <boost/test/unit_test.hpp>
265using boost::unit_test::test_suite;
266
267
268test_suite* init_unit_test_suite( int argc, char* argv[] )
269{
270 test_suite* test = BOOST_TEST_SUITE( "Range Test Suite" );
271
272 test->add( BOOST_TEST_CASE( &check_string ) );
273
274 return test;
275}
276
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source code of boost/libs/range/test/string.cpp