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1 | // (C) Copyright Gennadiy Rozental 2001. | |
2 | // Distributed under the Boost Software License, Version 1.0. | |
3 | // (See accompanying file LICENSE_1_0.txt or copy at | |
4 | // http://www.boost.org/LICENSE_1_0.txt) | |
5 | ||
6 | // See http://www.boost.org/libs/test for the library home page. | |
7 | // | |
8 | // File : $RCSfile$ | |
9 | // | |
10 | // Version : $Revision: 74248 $ | |
11 | // | |
12 | // Description : implementation details for old toolbox | |
13 | // *************************************************************************** | |
14 | ||
15 | #ifndef BOOST_TEST_TOOLS_OLD_IMPL_HPP_012705GER | |
16 | #define BOOST_TEST_TOOLS_OLD_IMPL_HPP_012705GER | |
17 | ||
18 | // Boost.Test | |
19 | #include <boost/test/unit_test_log.hpp> | |
20 | #include <boost/test/tools/assertion_result.hpp> | |
21 | #include <boost/test/tools/floating_point_comparison.hpp> | |
22 | ||
23 | #include <boost/test/tools/detail/fwd.hpp> | |
24 | #include <boost/test/tools/detail/print_helper.hpp> | |
25 | ||
26 | // Boost | |
27 | #include <boost/limits.hpp> | |
28 | #include <boost/numeric/conversion/conversion_traits.hpp> // for numeric::conversion_traits | |
29 | #include <boost/type_traits/is_array.hpp> | |
30 | ||
31 | #include <boost/preprocessor/repetition/repeat.hpp> | |
32 | #include <boost/preprocessor/arithmetic/add.hpp> | |
33 | ||
34 | // STL | |
35 | #include <cstddef> // for std::size_t | |
36 | #include <climits> // for CHAR_BIT | |
37 | ||
38 | #include <boost/test/detail/suppress_warnings.hpp> | |
39 | ||
40 | //____________________________________________________________________________// | |
41 | ||
42 | namespace boost { | |
43 | namespace test_tools { | |
44 | namespace tt_detail { | |
45 | ||
46 | // ************************************************************************** // | |
47 | // ************** old TOOLBOX Implementation ************** // | |
48 | // ************************************************************************** // | |
49 | ||
50 | // This function adds level of indirection, but it makes sure we evaluate predicate | |
51 | // arguments only once | |
52 | ||
53 | #ifndef BOOST_TEST_PROD | |
54 | #define TEMPL_PARAMS( z, m, dummy ) , typename BOOST_JOIN( Arg, m ) | |
55 | ||
56 | #define FUNC_PARAMS( z, m, dummy ) \ | |
57 | , BOOST_JOIN( Arg, m ) const& BOOST_JOIN( arg, m ) \ | |
58 | , char const* BOOST_JOIN( BOOST_JOIN( arg, m ), _descr ) \ | |
59 | /**/ | |
60 | ||
61 | #define PRED_PARAMS( z, m, dummy ) BOOST_PP_COMMA_IF( m ) BOOST_JOIN( arg, m ) | |
62 | ||
63 | #define ARG_INFO( z, m, dummy ) \ | |
64 | , BOOST_JOIN( BOOST_JOIN( arg, m ), _descr ) \ | |
65 | , &static_cast<const unit_test::lazy_ostream&>(unit_test::lazy_ostream::instance() \ | |
66 | << ::boost::test_tools::tt_detail::print_helper( BOOST_JOIN( arg, m ) )) \ | |
67 | /**/ | |
68 | ||
69 | #define IMPL_FRWD( z, n, dummy ) \ | |
70 | template<typename Pred \ | |
71 | BOOST_PP_REPEAT_ ## z( BOOST_PP_ADD( n, 1 ), TEMPL_PARAMS, _ )> \ | |
72 | inline bool \ | |
73 | check_frwd( Pred P, unit_test::lazy_ostream const& assertion_descr, \ | |
74 | const_string file_name, std::size_t line_num, \ | |
75 | tool_level tl, check_type ct \ | |
76 | BOOST_PP_REPEAT_ ## z( BOOST_PP_ADD( n, 1 ), FUNC_PARAMS, _ ) \ | |
77 | ) \ | |
78 | { \ | |
79 | return \ | |
80 | report_assertion( P( BOOST_PP_REPEAT_ ## z(BOOST_PP_ADD(n, 1), PRED_PARAMS,_) ),\ | |
81 | assertion_descr, file_name, line_num, tl, ct, \ | |
82 | BOOST_PP_ADD( n, 1 ) \ | |
83 | BOOST_PP_REPEAT_ ## z( BOOST_PP_ADD( n, 1 ), ARG_INFO, _ ) \ | |
84 | ); \ | |
85 | } \ | |
86 | /**/ | |
87 | ||
88 | #ifndef BOOST_TEST_MAX_PREDICATE_ARITY | |
89 | #define BOOST_TEST_MAX_PREDICATE_ARITY 5 | |
90 | #endif | |
91 | ||
92 | BOOST_PP_REPEAT( BOOST_TEST_MAX_PREDICATE_ARITY, IMPL_FRWD, _ ) | |
93 | ||
94 | #undef TEMPL_PARAMS | |
95 | #undef FUNC_PARAMS | |
96 | #undef PRED_INFO | |
97 | #undef ARG_INFO | |
98 | #undef IMPL_FRWD | |
99 | ||
100 | #endif | |
101 | ||
102 | //____________________________________________________________________________// | |
103 | ||
104 | template <class Left, class Right> | |
105 | inline assertion_result equal_impl( Left const& left, Right const& right ) | |
106 | { | |
107 | return left == right; | |
108 | } | |
109 | ||
110 | //____________________________________________________________________________// | |
111 | ||
112 | inline assertion_result equal_impl( char* left, char const* right ) { return equal_impl( static_cast<char const*>(left), static_cast<char const*>(right) ); } | |
113 | inline assertion_result equal_impl( char const* left, char* right ) { return equal_impl( static_cast<char const*>(left), static_cast<char const*>(right) ); } | |
114 | inline assertion_result equal_impl( char* left, char* right ) { return equal_impl( static_cast<char const*>(left), static_cast<char const*>(right) ); } | |
115 | ||
116 | #if !defined( BOOST_NO_CWCHAR ) | |
117 | assertion_result BOOST_TEST_DECL equal_impl( wchar_t const* left, wchar_t const* right ); | |
118 | inline assertion_result equal_impl( wchar_t* left, wchar_t const* right ) { return equal_impl( static_cast<wchar_t const*>(left), static_cast<wchar_t const*>(right) ); } | |
119 | inline assertion_result equal_impl( wchar_t const* left, wchar_t* right ) { return equal_impl( static_cast<wchar_t const*>(left), static_cast<wchar_t const*>(right) ); } | |
120 | inline assertion_result equal_impl( wchar_t* left, wchar_t* right ) { return equal_impl( static_cast<wchar_t const*>(left), static_cast<wchar_t const*>(right) ); } | |
121 | #endif | |
122 | ||
123 | //____________________________________________________________________________// | |
124 | ||
125 | struct equal_impl_frwd { | |
126 | template <typename Left, typename Right> | |
127 | inline assertion_result | |
128 | call_impl( Left const& left, Right const& right, mpl::false_ ) const | |
129 | { | |
130 | return equal_impl( left, right ); | |
131 | } | |
132 | ||
133 | template <typename Left, typename Right> | |
134 | inline assertion_result | |
135 | call_impl( Left const& left, Right const& right, mpl::true_ ) const | |
136 | { | |
137 | return (*this)( right, &left[0] ); | |
138 | } | |
139 | ||
140 | template <typename Left, typename Right> | |
141 | inline assertion_result | |
142 | operator()( Left const& left, Right const& right ) const | |
143 | { | |
144 | typedef typename is_array<Left>::type left_is_array; | |
145 | return call_impl( left, right, left_is_array() ); | |
146 | } | |
147 | }; | |
148 | ||
149 | //____________________________________________________________________________// | |
150 | ||
151 | struct ne_impl { | |
152 | template <class Left, class Right> | |
153 | assertion_result operator()( Left const& left, Right const& right ) | |
154 | { | |
155 | return !equal_impl_frwd()( left, right ); | |
156 | } | |
157 | }; | |
158 | ||
159 | //____________________________________________________________________________// | |
160 | ||
161 | struct lt_impl { | |
162 | template <class Left, class Right> | |
163 | assertion_result operator()( Left const& left, Right const& right ) | |
164 | { | |
165 | return left < right; | |
166 | } | |
167 | }; | |
168 | ||
169 | //____________________________________________________________________________// | |
170 | ||
171 | struct le_impl { | |
172 | template <class Left, class Right> | |
173 | assertion_result operator()( Left const& left, Right const& right ) | |
174 | { | |
175 | return left <= right; | |
176 | } | |
177 | }; | |
178 | ||
179 | //____________________________________________________________________________// | |
180 | ||
181 | struct gt_impl { | |
182 | template <class Left, class Right> | |
183 | assertion_result operator()( Left const& left, Right const& right ) | |
184 | { | |
185 | return left > right; | |
186 | } | |
187 | }; | |
188 | ||
189 | //____________________________________________________________________________// | |
190 | ||
191 | struct ge_impl { | |
192 | template <class Left, class Right> | |
193 | assertion_result operator()( Left const& left, Right const& right ) | |
194 | { | |
195 | return left >= right; | |
196 | } | |
197 | }; | |
198 | ||
199 | //____________________________________________________________________________// | |
200 | ||
201 | struct equal_coll_impl { | |
202 | template <typename Left, typename Right> | |
203 | assertion_result operator()( Left left_begin, Left left_end, Right right_begin, Right right_end ) | |
204 | { | |
205 | assertion_result pr( true ); | |
206 | std::size_t pos = 0; | |
207 | ||
208 | for( ; left_begin != left_end && right_begin != right_end; ++left_begin, ++right_begin, ++pos ) { | |
209 | if( *left_begin != *right_begin ) { | |
210 | pr = false; | |
211 | pr.message() << "\nMismatch at position " << pos << ": " | |
212 | << ::boost::test_tools::tt_detail::print_helper(*left_begin) | |
213 | << " != " | |
214 | << ::boost::test_tools::tt_detail::print_helper(*right_begin); | |
215 | } | |
216 | } | |
217 | ||
218 | if( left_begin != left_end ) { | |
219 | std::size_t r_size = pos; | |
220 | while( left_begin != left_end ) { | |
221 | ++pos; | |
222 | ++left_begin; | |
223 | } | |
224 | ||
225 | pr = false; | |
226 | pr.message() << "\nCollections size mismatch: " << pos << " != " << r_size; | |
227 | } | |
228 | ||
229 | if( right_begin != right_end ) { | |
230 | std::size_t l_size = pos; | |
231 | while( right_begin != right_end ) { | |
232 | ++pos; | |
233 | ++right_begin; | |
234 | } | |
235 | ||
236 | pr = false; | |
237 | pr.message() << "\nCollections size mismatch: " << l_size << " != " << pos; | |
238 | } | |
239 | ||
240 | return pr; | |
241 | } | |
242 | }; | |
243 | ||
244 | //____________________________________________________________________________// | |
245 | ||
246 | struct bitwise_equal_impl { | |
247 | template <class Left, class Right> | |
248 | assertion_result operator()( Left const& left, Right const& right ) | |
249 | { | |
250 | assertion_result pr( true ); | |
251 | ||
252 | std::size_t left_bit_size = sizeof(Left)*CHAR_BIT; | |
253 | std::size_t right_bit_size = sizeof(Right)*CHAR_BIT; | |
254 | ||
255 | static Left const leftOne( 1 ); | |
256 | static Right const rightOne( 1 ); | |
257 | ||
258 | std::size_t total_bits = left_bit_size < right_bit_size ? left_bit_size : right_bit_size; | |
259 | ||
260 | for( std::size_t counter = 0; counter < total_bits; ++counter ) { | |
261 | if( ( left & ( leftOne << counter ) ) != ( right & ( rightOne << counter ) ) ) { | |
262 | pr = false; | |
263 | pr.message() << "\nMismatch at position " << counter; | |
264 | } | |
265 | } | |
266 | ||
267 | if( left_bit_size != right_bit_size ) { | |
268 | pr = false; | |
269 | pr.message() << "\nOperands bit sizes mismatch: " << left_bit_size << " != " << right_bit_size; | |
270 | } | |
271 | ||
272 | return pr; | |
273 | } | |
274 | }; | |
275 | ||
276 | //____________________________________________________________________________// | |
277 | ||
278 | template<typename FPT1, typename FPT2> | |
279 | struct comp_supertype { | |
280 | // deduce "better" type from types of arguments being compared | |
281 | // if one type is floating and the second integral we use floating type and | |
282 | // value of integral type is promoted to the floating. The same for float and double | |
283 | // But we don't want to compare two values of integral types using this tool. | |
284 | typedef typename numeric::conversion_traits<FPT1,FPT2>::supertype type; | |
285 | BOOST_STATIC_ASSERT_MSG( !is_integral<type>::value, "Only floating-point types can be compared!"); | |
286 | }; | |
287 | ||
288 | } // namespace tt_detail | |
289 | ||
290 | namespace fpc = math::fpc; | |
291 | ||
292 | // ************************************************************************** // | |
293 | // ************** check_is_close ************** // | |
294 | // ************************************************************************** // | |
295 | ||
296 | struct BOOST_TEST_DECL check_is_close_t { | |
297 | // Public typedefs | |
298 | typedef assertion_result result_type; | |
299 | ||
300 | template<typename FPT1, typename FPT2, typename ToleranceType> | |
301 | assertion_result | |
302 | operator()( FPT1 left, FPT2 right, ToleranceType tolerance ) const | |
303 | { | |
304 | fpc::close_at_tolerance<typename tt_detail::comp_supertype<FPT1,FPT2>::type> pred( tolerance, fpc::FPC_STRONG ); | |
305 | ||
306 | assertion_result ar( pred( left, right ) ); | |
307 | ||
308 | if( !ar ) | |
309 | ar.message() << pred.tested_rel_diff(); | |
310 | ||
311 | return ar; | |
312 | } | |
313 | }; | |
314 | ||
315 | //____________________________________________________________________________// | |
316 | ||
317 | template<typename FPT1, typename FPT2, typename ToleranceType> | |
318 | inline assertion_result | |
319 | check_is_close( FPT1 left, FPT2 right, ToleranceType tolerance ) | |
320 | { | |
321 | return check_is_close_t()( left, right, tolerance ); | |
322 | } | |
323 | ||
324 | //____________________________________________________________________________// | |
325 | ||
326 | // ************************************************************************** // | |
327 | // ************** check_is_small ************** // | |
328 | // ************************************************************************** // | |
329 | ||
330 | struct BOOST_TEST_DECL check_is_small_t { | |
331 | // Public typedefs | |
332 | typedef bool result_type; | |
333 | ||
334 | template<typename FPT> | |
335 | bool | |
336 | operator()( FPT fpv, FPT tolerance ) const | |
337 | { | |
338 | return fpc::is_small( fpv, tolerance ); | |
339 | } | |
340 | }; | |
341 | ||
342 | //____________________________________________________________________________// | |
343 | ||
344 | template<typename FPT> | |
345 | inline bool | |
346 | check_is_small( FPT fpv, FPT tolerance ) | |
347 | { | |
348 | return fpc::is_small( fpv, tolerance ); | |
349 | } | |
350 | ||
351 | //____________________________________________________________________________// | |
352 | ||
353 | } // namespace test_tools | |
354 | } // namespace boost | |
355 | ||
356 | #include <boost/test/detail/enable_warnings.hpp> | |
357 | ||
358 | #endif // BOOST_TEST_TOOLS_OLD_IMPL_HPP_012705GER |