1 | /*
|
---|
2 | * test_signed_integer_output_with_karma -- Test case
|
---|
3 | * exposing problem in Boost.Spirit.Karma's signed integer output
|
---|
4 | * generators from Boost.Fusion adapted ADTs.
|
---|
5 | *
|
---|
6 | * Copyright (C) 2011 Torsten Maehne
|
---|
7 | *
|
---|
8 | * Distributed under the Boost Software License, Version 1.0.
|
---|
9 | * (See accompanying file LICENSE_1_0.txt or copy at
|
---|
10 | * http://www.boost.org/LICENSE_1_0.txt)
|
---|
11 | */
|
---|
12 |
|
---|
13 | /*!
|
---|
14 | * \file test_signed_integer_output_with_karma.cpp
|
---|
15 | *
|
---|
16 | * \brief Test signed integer output from Boost.Fusion adapted ADTs
|
---|
17 | * and structs with Boost.Spirit.Karma rules.
|
---|
18 | *
|
---|
19 | * Boost.Spirit.Karma output rules should show the same behavior for
|
---|
20 | * Boost.Fusion-adapted structs (direct access of the public member
|
---|
21 | * variables) and ADTs (access to the private member variables via
|
---|
22 | * getters and setters). This has been the case in Boost 1.44 and is
|
---|
23 | * demonstrated in this test case for rational number ADTs and
|
---|
24 | * structs, which use signed integer member variables.
|
---|
25 | *
|
---|
26 | * Compilation of this test case against Boost 1.45.0 and 1.46.1 will
|
---|
27 | * fail. Compilation against Boost 1.47.0 and 1.48.0 will succeed, but
|
---|
28 | * the output of negative values of signed integer members of
|
---|
29 | * Boost.Fusion-adapted ADTs will be wrong. The minus sign is output
|
---|
30 | * correctly, but it is followed by a wrong value, which seems to be
|
---|
31 | * yielded by a cast from a signed to an unsigned integer value
|
---|
32 | * instead of taking the absolute value of the signed integer
|
---|
33 | * value. This has been observed on Mac OS X 10.7.2 (x86_64) with
|
---|
34 | * Xcode 4.2 using Apple's g++ 4.2.1, Apple's clang++
|
---|
35 | * 3.0. Interestingly, compiling the test case against Boost 1.47.0 or
|
---|
36 | * Boost 1.48.0 using MacPorts g++ 4.5.3, will yield more output
|
---|
37 | * checks to fail for Boost.Fusion-adapted ADTs used in Karma output
|
---|
38 | * rules.
|
---|
39 | *
|
---|
40 | * Compilation against Boost from the Subversion trunk (rev. 75505)
|
---|
41 | * does only succeed using Apple's clang++ 3.0 and execution will
|
---|
42 | * yield the same wrong output for negative values of signed integer
|
---|
43 | * members of Boost.Fusion-adapted ADTs. Compilation fails with
|
---|
44 | * Apple's g++ 4.2.1 and MacPorts g++ 4.5.3.
|
---|
45 | *
|
---|
46 | * \author Torsten Maehne
|
---|
47 | * \date 2011-11-15
|
---|
48 | * \version $Id$
|
---|
49 | */
|
---|
50 | #define BOOST_TEST_MODULE test_signed_integer_output_with_karma
|
---|
51 | #include <boost/test/included/unit_test.hpp>
|
---|
52 | #include <boost/test/output_test_stream.hpp>
|
---|
53 | #include <boost/rational.hpp>
|
---|
54 | #include <boost/version.hpp>
|
---|
55 | #if BOOST_VERSION < 104500
|
---|
56 | // Until Boost 1.44 use BOOST_FUSION_ADAPT_CLASS
|
---|
57 | #include <boost/fusion/include/adapt_class.hpp>
|
---|
58 | #else
|
---|
59 | // Since Boost 1.45 BOOST_FUSION_ADAPT_CLASS is named BOOST_FUSION_ADAPT_ADT
|
---|
60 | #include <boost/fusion/include/adapt_adt.hpp>
|
---|
61 | #include <boost/spirit/include/support_adapt_adt_attributes.hpp>
|
---|
62 | #endif
|
---|
63 |
|
---|
64 | #include <boost/fusion/include/adapt_struct.hpp>
|
---|
65 | // Include only the strictly necessary parts of Boost.Spirit.Karma to reduce compile time.
|
---|
66 | #include <boost/spirit/include/karma_char.hpp>
|
---|
67 | #include <boost/spirit/include/karma_nonterminal.hpp>
|
---|
68 | #include <boost/spirit/include/karma_numeric.hpp>
|
---|
69 | #include <boost/spirit/include/karma_operator.hpp>
|
---|
70 | #include <boost/spirit/include/karma_generate.hpp>
|
---|
71 |
|
---|
72 |
|
---|
73 | namespace {
|
---|
74 |
|
---|
75 | //! Rational number ADT with short integer members.
|
---|
76 | typedef boost::rational<short> rational_short_adt;
|
---|
77 |
|
---|
78 | //! Rational number struct with short integer members.
|
---|
79 | struct rational_short_struct {
|
---|
80 | short numerator, denominator;
|
---|
81 |
|
---|
82 | explicit rational_short_struct(short num = 0, short den = 1)
|
---|
83 | : numerator(num), denominator(den)
|
---|
84 | {}
|
---|
85 | };
|
---|
86 |
|
---|
87 | } // anonymous namespace
|
---|
88 |
|
---|
89 | #if BOOST_VERSION < 104500
|
---|
90 | // Adapt class boost::rational<short> to a Fusion sequence.
|
---|
91 | BOOST_FUSION_ADAPT_CLASS(
|
---|
92 | ::rational_short_adt,
|
---|
93 | (short, short, obj.numerator(), obj.numerator(val))
|
---|
94 | (short, short, obj.denominator(), obj.denominator(val))
|
---|
95 | )
|
---|
96 | #else
|
---|
97 | // Adapt ADT boost::rational<short> to a Fusion sequence.
|
---|
98 | BOOST_FUSION_ADAPT_ADT(
|
---|
99 | ::rational_short_adt,
|
---|
100 | (short, short, obj.numerator(), obj.numerator(val))
|
---|
101 | (short, short, obj.denominator(), obj.denominator(val))
|
---|
102 | )
|
---|
103 | #endif
|
---|
104 |
|
---|
105 | // Adapt struct ::rational_short_struct to a Fusion sequence.
|
---|
106 | BOOST_FUSION_ADAPT_STRUCT(
|
---|
107 | ::rational_short_struct,
|
---|
108 | (short, numerator)
|
---|
109 | (short, denominator)
|
---|
110 | )
|
---|
111 |
|
---|
112 |
|
---|
113 | namespace {
|
---|
114 |
|
---|
115 | //! Rational number ADT with signed integer members.
|
---|
116 | typedef boost::rational<int> rational_int_adt;
|
---|
117 |
|
---|
118 | //! Rational number struct with signed integer members.
|
---|
119 | struct rational_int_struct {
|
---|
120 | int numerator, denominator;
|
---|
121 |
|
---|
122 | explicit rational_int_struct(int num = 0, int den = 1)
|
---|
123 | : numerator(num), denominator(den)
|
---|
124 | {}
|
---|
125 | };
|
---|
126 |
|
---|
127 | } // anonymous namespace
|
---|
128 |
|
---|
129 | #if BOOST_VERSION < 104500
|
---|
130 | // Adapt class boost::rational<int> to a Fusion sequence.
|
---|
131 | BOOST_FUSION_ADAPT_CLASS(
|
---|
132 | ::rational_int_adt,
|
---|
133 | (int, int, obj.numerator(), obj.numerator(val))
|
---|
134 | (int, int, obj.denominator(), obj.denominator(val))
|
---|
135 | )
|
---|
136 | #else
|
---|
137 | // Adapt ADT boost::rational<int> to a Fusion sequence.
|
---|
138 | BOOST_FUSION_ADAPT_ADT(
|
---|
139 | ::rational_int_adt,
|
---|
140 | (int, int, obj.numerator(), obj.numerator(val))
|
---|
141 | (int, int, obj.denominator(), obj.denominator(val))
|
---|
142 | )
|
---|
143 | #endif
|
---|
144 |
|
---|
145 | // Adapt struct ::rational_int_struct to a Fusion sequence.
|
---|
146 | BOOST_FUSION_ADAPT_STRUCT(
|
---|
147 | ::rational_int_struct,
|
---|
148 | (int, numerator)
|
---|
149 | (int, denominator)
|
---|
150 | )
|
---|
151 |
|
---|
152 |
|
---|
153 | // rational ADT and struct with long integer members.
|
---|
154 | namespace {
|
---|
155 |
|
---|
156 | //! Rational number ADT with long integer members.
|
---|
157 | typedef boost::rational<long> rational_long_adt;
|
---|
158 |
|
---|
159 | //! Rational number struct with long integer members.
|
---|
160 | struct rational_long_struct {
|
---|
161 | long numerator, denominator;
|
---|
162 |
|
---|
163 | explicit rational_long_struct(long num = 0, long den = 1)
|
---|
164 | : numerator(num), denominator(den)
|
---|
165 | {}
|
---|
166 | };
|
---|
167 |
|
---|
168 | } // anonymous namespace
|
---|
169 |
|
---|
170 | #if BOOST_VERSION < 104500
|
---|
171 | // Adapt class boost::rational<long> to a Fusion sequence.
|
---|
172 | BOOST_FUSION_ADAPT_CLASS(
|
---|
173 | ::rational_long_adt,
|
---|
174 | (long, long, obj.numerator(), obj.numerator(val))
|
---|
175 | (long, long, obj.denominator(), obj.denominator(val))
|
---|
176 | )
|
---|
177 | #else
|
---|
178 | // Adapt ADT boost::rational<long> to a Fusion sequence.
|
---|
179 | BOOST_FUSION_ADAPT_ADT(
|
---|
180 | ::rational_long_adt,
|
---|
181 | (long, long, obj.numerator(), obj.numerator(val))
|
---|
182 | (long, long, obj.denominator(), obj.denominator(val))
|
---|
183 | )
|
---|
184 | #endif
|
---|
185 |
|
---|
186 | // Adapt struct ::rational_long_struct to a Fusion sequence.
|
---|
187 | BOOST_FUSION_ADAPT_STRUCT(
|
---|
188 | ::rational_long_struct,
|
---|
189 | (long, numerator)
|
---|
190 | (long, denominator)
|
---|
191 | )
|
---|
192 |
|
---|
193 |
|
---|
194 | //! \test Test the output of Boost.Fusion-adapted ADTs with Karma rules.
|
---|
195 | BOOST_AUTO_TEST_CASE(test_adapted_adt_output_with_karma)
|
---|
196 | {
|
---|
197 | // Namespace alias for Boost Spirit Karma.
|
---|
198 | namespace karma = boost::spirit::karma;
|
---|
199 | // Namespace alias for Boost Spirit Phoenix.
|
---|
200 | namespace phx = boost::phoenix;
|
---|
201 |
|
---|
202 | using karma::short_;
|
---|
203 | using karma::int_;
|
---|
204 | using karma::long_;
|
---|
205 |
|
---|
206 | using boost::spirit::karma::generate;
|
---|
207 |
|
---|
208 | using boost::test_tools::output_test_stream;
|
---|
209 | output_test_stream tout;
|
---|
210 | typedef std::ostream_iterator<char> tout_iter_type;
|
---|
211 |
|
---|
212 | // Output iterator type used as sink for the Boost.Spirit.Karma
|
---|
213 | // generator to the output test stream.
|
---|
214 | tout_iter_type tout_iter(tout);
|
---|
215 |
|
---|
216 | //! Check the Karma generator rules for ::rational_short_adt.
|
---|
217 | karma::rule<tout_iter_type, rational_short_adt()> rational_short_adt_;
|
---|
218 | rational_short_adt_.name("rational_short_adt_");
|
---|
219 | rational_short_adt_ = short_ << '/' << short_;
|
---|
220 |
|
---|
221 | BOOST_CHECK(generate(tout_iter, rational_short_adt_, rational_short_adt(1, 2)));
|
---|
222 | BOOST_CHECK(tout.is_equal("1/2"));
|
---|
223 |
|
---|
224 | BOOST_CHECK(generate(tout_iter, rational_short_adt_, rational_short_adt(-1, 3)));
|
---|
225 | BOOST_CHECK(tout.is_equal("-1/3"));
|
---|
226 |
|
---|
227 | BOOST_CHECK(generate(tout_iter, rational_short_adt_, rational_short_adt(2, -6)));
|
---|
228 | BOOST_CHECK(tout.is_equal("-1/3"));
|
---|
229 |
|
---|
230 | BOOST_CHECK(generate(tout_iter, rational_short_adt_, rational_short_adt(-3, -12)));
|
---|
231 | BOOST_CHECK(tout.is_equal("1/4"));
|
---|
232 |
|
---|
233 |
|
---|
234 | //! Check the Karma generator rules for ::rational_int_adt.
|
---|
235 | karma::rule<tout_iter_type, rational_int_adt()> rational_int_adt_;
|
---|
236 | rational_int_adt_.name("rational_int_adt_");
|
---|
237 | rational_int_adt_ = int_ << '/' << int_;
|
---|
238 |
|
---|
239 | BOOST_CHECK(generate(tout_iter, rational_int_adt_, rational_int_adt(1, 2)));
|
---|
240 | BOOST_CHECK(tout.is_equal("1/2"));
|
---|
241 |
|
---|
242 | BOOST_CHECK(generate(tout_iter, rational_int_adt_, rational_int_adt(-1, 3)));
|
---|
243 | BOOST_CHECK(tout.is_equal("-1/3"));
|
---|
244 |
|
---|
245 | BOOST_CHECK(generate(tout_iter, rational_int_adt_, rational_int_adt(2, -6)));
|
---|
246 | BOOST_CHECK(tout.is_equal("-1/3"));
|
---|
247 |
|
---|
248 | BOOST_CHECK(generate(tout_iter, rational_int_adt_, rational_int_adt(-3, -12)));
|
---|
249 | BOOST_CHECK(tout.is_equal("1/4"));
|
---|
250 |
|
---|
251 |
|
---|
252 | //! Check the Karma generator rules for ::rational_long_adt.
|
---|
253 | karma::rule<tout_iter_type, rational_long_adt()> rational_long_adt_;
|
---|
254 | rational_long_adt_.name("rational_long_adt_");
|
---|
255 | rational_long_adt_ = long_ << '/' << long_;
|
---|
256 |
|
---|
257 | BOOST_CHECK(generate(tout_iter, rational_long_adt_, rational_long_adt(1, 2)));
|
---|
258 | BOOST_CHECK(tout.is_equal("1/2"));
|
---|
259 |
|
---|
260 | BOOST_CHECK(generate(tout_iter, rational_long_adt_, rational_long_adt(-1, 3)));
|
---|
261 | BOOST_CHECK(tout.is_equal("-1/3"));
|
---|
262 |
|
---|
263 | BOOST_CHECK(generate(tout_iter, rational_long_adt_, rational_long_adt(2, -6)));
|
---|
264 | BOOST_CHECK(tout.is_equal("-1/3"));
|
---|
265 |
|
---|
266 | BOOST_CHECK(generate(tout_iter, rational_long_adt_, rational_long_adt(-3, -12)));
|
---|
267 | BOOST_CHECK(tout.is_equal("1/4"));
|
---|
268 | }
|
---|
269 |
|
---|
270 |
|
---|
271 | //! \test Test the output of Boost.Fusion-adapted structs with Karma rules.
|
---|
272 | BOOST_AUTO_TEST_CASE(test_adapted_struct_output_with_karma)
|
---|
273 | {
|
---|
274 | // Namespace alias for Boost.Spirit.Karma.
|
---|
275 | namespace karma = boost::spirit::karma;
|
---|
276 | // Namespace alias for Boost.Spirit.Phoenix.
|
---|
277 | namespace phx = boost::phoenix;
|
---|
278 |
|
---|
279 | using karma::short_;
|
---|
280 | using karma::int_;
|
---|
281 | using karma::long_;
|
---|
282 |
|
---|
283 | using boost::spirit::karma::generate;
|
---|
284 |
|
---|
285 | using boost::test_tools::output_test_stream;
|
---|
286 | output_test_stream tout;
|
---|
287 | typedef std::ostream_iterator<char> tout_iter_type;
|
---|
288 |
|
---|
289 | // Output iterator type used as sink for the Boost.Spirit.Karma generator to the output test stream.
|
---|
290 | tout_iter_type tout_iter(tout);
|
---|
291 |
|
---|
292 |
|
---|
293 | //! Check the Karma generator rules for ::rational_short_struct.
|
---|
294 |
|
---|
295 | karma::rule<tout_iter_type, rational_short_struct()> rational_short_struct_;
|
---|
296 | rational_short_struct_.name("rational_short_struct_");
|
---|
297 | rational_short_struct_ = short_ << '/' << short_;
|
---|
298 |
|
---|
299 | BOOST_CHECK(generate(tout_iter, rational_short_struct_, rational_short_struct(1, 3)));
|
---|
300 | BOOST_CHECK(tout.is_equal("1/3"));
|
---|
301 |
|
---|
302 | BOOST_CHECK(generate(tout_iter, rational_short_struct_, rational_short_struct(-1, 3)));
|
---|
303 | BOOST_CHECK(tout.is_equal("-1/3"));
|
---|
304 |
|
---|
305 | BOOST_CHECK(generate(tout_iter, rational_short_struct_, rational_short_struct(1, -3)));
|
---|
306 | BOOST_CHECK(tout.is_equal("1/-3"));
|
---|
307 |
|
---|
308 | BOOST_CHECK(generate(tout_iter, rational_short_struct_, rational_short_struct(-3, -12)));
|
---|
309 | BOOST_CHECK(tout.is_equal("-3/-12"));
|
---|
310 |
|
---|
311 |
|
---|
312 | //! Check the Karma generator rules for ::rational_int_struct.
|
---|
313 |
|
---|
314 | karma::rule<tout_iter_type, rational_int_struct()> rational_int_struct_;
|
---|
315 | rational_int_struct_.name("rational_int_struct_");
|
---|
316 | rational_int_struct_ = int_ << '/' << int_;
|
---|
317 |
|
---|
318 | BOOST_CHECK(generate(tout_iter, rational_int_struct_, rational_int_struct(1, 3)));
|
---|
319 | BOOST_CHECK(tout.is_equal("1/3"));
|
---|
320 |
|
---|
321 | BOOST_CHECK(generate(tout_iter, rational_int_struct_, rational_int_struct(-1, 3)));
|
---|
322 | BOOST_CHECK(tout.is_equal("-1/3"));
|
---|
323 |
|
---|
324 | BOOST_CHECK(generate(tout_iter, rational_int_struct_, rational_int_struct(1, -3)));
|
---|
325 | BOOST_CHECK(tout.is_equal("1/-3"));
|
---|
326 |
|
---|
327 | BOOST_CHECK(generate(tout_iter, rational_int_struct_, rational_int_struct(-3, -12)));
|
---|
328 | BOOST_CHECK(tout.is_equal("-3/-12"));
|
---|
329 |
|
---|
330 |
|
---|
331 | //! Check the Karma generator rules for ::rational_long_struct.
|
---|
332 |
|
---|
333 | karma::rule<tout_iter_type, rational_long_struct()> rational_long_struct_;
|
---|
334 | rational_long_struct_.name("rational_long_struct_");
|
---|
335 | rational_long_struct_ = long_ << '/' << long_;
|
---|
336 |
|
---|
337 | BOOST_CHECK(generate(tout_iter, rational_long_struct_, rational_long_struct(1, 3)));
|
---|
338 | BOOST_CHECK(tout.is_equal("1/3"));
|
---|
339 |
|
---|
340 | BOOST_CHECK(generate(tout_iter, rational_long_struct_, rational_long_struct(-1, 3)));
|
---|
341 | BOOST_CHECK(tout.is_equal("-1/3"));
|
---|
342 |
|
---|
343 | BOOST_CHECK(generate(tout_iter, rational_long_struct_, rational_long_struct(1, -3)));
|
---|
344 | BOOST_CHECK(tout.is_equal("1/-3"));
|
---|
345 |
|
---|
346 | BOOST_CHECK(generate(tout_iter, rational_long_struct_, rational_long_struct(-3, -12)));
|
---|
347 | BOOST_CHECK(tout.is_equal("-3/-12"));
|
---|
348 | }
|
---|