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1 | // (C) Copyright 2008 CodeRage, LLC (turkanis at coderage dot com) |
2 | // (C) Copyright 2004-2007 Jonathan Turkanis | |
3 | // Distributed under the Boost Software License, Version 1.0. (See accompanying | |
4 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt.) | |
5 | ||
6 | // See http://www.boost.org/libs/iostreams for documentation. | |
7 | ||
8 | #include <cctype> | |
9 | #include <boost/iostreams/compose.hpp> | |
10 | #include <boost/iostreams/device/file.hpp> | |
11 | #include <boost/iostreams/filtering_stream.hpp> | |
12 | #include <boost/test/test_tools.hpp> | |
13 | #include <boost/test/unit_test.hpp> | |
14 | #include "detail/closable.hpp" | |
15 | #include "detail/operation_sequence.hpp" | |
16 | #include "detail/filters.hpp" | |
17 | #include "detail/temp_file.hpp" | |
18 | #include "detail/verification.hpp" | |
19 | ||
20 | // Must come last. | |
21 | #include <boost/iostreams/detail/config/disable_warnings.hpp> // BCC 5.x. | |
22 | ||
23 | using namespace std; | |
24 | using namespace boost::iostreams; | |
25 | using namespace boost::iostreams::test; | |
26 | using boost::unit_test::test_suite; | |
27 | namespace io = boost::iostreams; | |
28 | ||
29 | void read_composite() | |
30 | { | |
31 | test_file src1, src2; | |
32 | filtering_istream first, second; | |
33 | ||
34 | // Test composite device | |
35 | first.push(toupper_filter()); | |
36 | first.push(padding_filter('a')); | |
37 | first.push(file_source(src1.name(), in_mode)); | |
38 | second.push( compose( toupper_filter(), | |
39 | compose( padding_filter('a'), | |
40 | file_source(src1.name(), in_mode) ) ) ); | |
41 | BOOST_CHECK_MESSAGE( | |
42 | compare_streams_in_chunks(first, second), | |
43 | "failed reading from a stdio_filter" | |
44 | ); | |
45 | ||
46 | // Test composite filter | |
47 | first.reset(); | |
48 | second.reset(); | |
49 | first.push(toupper_filter()); | |
50 | first.push(padding_filter('a')); | |
51 | first.push(file_source(src1.name(), in_mode)); | |
52 | second.push( compose( compose( toupper_filter(), | |
53 | padding_filter('a') ), | |
54 | file_source(src1.name(), in_mode) ) ); | |
55 | BOOST_CHECK_MESSAGE( | |
56 | compare_streams_in_chunks(first, second), | |
57 | "failed reading from a stdio_filter" | |
58 | ); | |
59 | } | |
60 | ||
61 | void write_composite() | |
62 | { | |
63 | temp_file dest1, dest2; | |
64 | filtering_ostream out1, out2; | |
65 | ||
66 | // Test composite device | |
67 | out1.push(tolower_filter()); | |
68 | out1.push(padding_filter('a')); | |
69 | out1.push(file_sink(dest1.name(), in_mode)); | |
70 | out2.push( compose( tolower_filter(), | |
71 | compose( padding_filter('a'), | |
72 | file_sink(dest2.name(), in_mode) ) ) ); | |
73 | write_data_in_chunks(out1); | |
74 | write_data_in_chunks(out2); | |
75 | out1.reset(); | |
76 | out2.reset(); | |
77 | ||
78 | { | |
79 | ifstream first(dest1.name().c_str()); | |
80 | ifstream second(dest2.name().c_str()); | |
81 | BOOST_CHECK_MESSAGE( | |
82 | compare_streams_in_chunks(first, second), | |
83 | "failed writing to a stdio_filter" | |
84 | ); | |
85 | } | |
86 | ||
87 | // Test composite filter | |
88 | out1.push(tolower_filter()); | |
89 | out1.push(padding_filter('a')); | |
90 | out1.push(file_sink(dest1.name(), in_mode)); | |
91 | out2.push( compose( compose( tolower_filter(), | |
92 | padding_filter('a') ), | |
93 | file_sink(dest2.name(), in_mode) ) ); | |
94 | write_data_in_chunks(out1); | |
95 | write_data_in_chunks(out2); | |
96 | out1.reset(); | |
97 | out2.reset(); | |
98 | ||
99 | { | |
100 | ifstream first(dest1.name().c_str()); | |
101 | ifstream second(dest2.name().c_str()); | |
102 | BOOST_CHECK_MESSAGE( | |
103 | compare_streams_in_chunks(first, second), | |
104 | "failed writing to a stdio_filter" | |
105 | ); | |
106 | } | |
107 | } | |
108 | ||
109 | void close_composite_device() | |
110 | { | |
111 | // Compose an input filter with a source | |
112 | { | |
113 | operation_sequence seq; | |
114 | chain<input> ch; | |
115 | ch.push( | |
116 | io::compose( | |
117 | closable_filter<input>(seq.new_operation(2)), | |
118 | closable_device<input>(seq.new_operation(1)) | |
119 | ) | |
120 | ); | |
121 | BOOST_CHECK_NO_THROW(ch.reset()); | |
122 | BOOST_CHECK_OPERATION_SEQUENCE(seq); | |
123 | } | |
124 | ||
125 | // Compose a bidirectional filter with a source | |
126 | { | |
127 | operation_sequence seq; | |
128 | chain<input> ch; | |
129 | ch.push( | |
130 | io::compose( | |
131 | closable_filter<bidirectional>( | |
132 | seq.new_operation(2), | |
133 | seq.new_operation(3) | |
134 | ), | |
135 | closable_device<input>(seq.new_operation(1)) | |
136 | ) | |
137 | ); | |
138 | BOOST_CHECK_NO_THROW(ch.reset()); | |
139 | BOOST_CHECK_OPERATION_SEQUENCE(seq); | |
140 | } | |
141 | ||
142 | // Compose a seekable filter with a source | |
143 | { | |
144 | operation_sequence seq; | |
145 | chain<input> ch; | |
146 | ch.push( | |
147 | io::compose( | |
148 | closable_filter<seekable>(seq.new_operation(2)), | |
149 | closable_device<input>(seq.new_operation(1)) | |
150 | ) | |
151 | ); | |
152 | BOOST_CHECK_NO_THROW(ch.reset()); | |
153 | BOOST_CHECK_OPERATION_SEQUENCE(seq); | |
154 | } | |
155 | ||
156 | // Compose a dual-use filter with a source | |
157 | { | |
158 | operation_sequence seq; | |
159 | chain<input> ch; | |
160 | operation dummy; | |
161 | ch.push( | |
162 | io::compose( | |
163 | closable_filter<dual_use>( | |
164 | seq.new_operation(2), | |
165 | dummy | |
166 | ), | |
167 | closable_device<input>(seq.new_operation(1)) | |
168 | ) | |
169 | ); | |
170 | BOOST_CHECK_NO_THROW(ch.reset()); | |
171 | BOOST_CHECK_OPERATION_SEQUENCE(seq); | |
172 | } | |
173 | ||
174 | // Compose an output filter with a sink | |
175 | { | |
176 | operation_sequence seq; | |
177 | chain<output> ch; | |
178 | ch.push( | |
179 | io::compose( | |
180 | closable_filter<output>(seq.new_operation(1)), | |
181 | closable_device<output>(seq.new_operation(2)) | |
182 | ) | |
183 | ); | |
184 | BOOST_CHECK_NO_THROW(ch.reset()); | |
185 | BOOST_CHECK_OPERATION_SEQUENCE(seq); | |
186 | } | |
187 | ||
188 | // Compose a bidirectional filter with a sink | |
189 | { | |
190 | operation_sequence seq; | |
191 | chain<output> ch; | |
192 | ch.push( | |
193 | io::compose( | |
194 | closable_filter<bidirectional>( | |
195 | seq.new_operation(1), | |
196 | seq.new_operation(2) | |
197 | ), | |
198 | closable_device<output>(seq.new_operation(3)) | |
199 | ) | |
200 | ); | |
201 | BOOST_CHECK_NO_THROW(ch.reset()); | |
202 | BOOST_CHECK_OPERATION_SEQUENCE(seq); | |
203 | } | |
204 | ||
205 | // Compose a seekable filter with a sink | |
206 | { | |
207 | operation_sequence seq; | |
208 | chain<output> ch; | |
209 | ch.push( | |
210 | io::compose( | |
211 | closable_filter<seekable>(seq.new_operation(1)), | |
212 | closable_device<output>(seq.new_operation(2)) | |
213 | ) | |
214 | ); | |
215 | BOOST_CHECK_NO_THROW(ch.reset()); | |
216 | BOOST_CHECK_OPERATION_SEQUENCE(seq); | |
217 | } | |
218 | ||
219 | // Compose a dual-use filter with a sink | |
220 | { | |
221 | operation_sequence seq; | |
222 | chain<output> ch; | |
223 | operation dummy; | |
224 | ch.push( | |
225 | io::compose( | |
226 | closable_filter<dual_use>( | |
227 | dummy, | |
228 | seq.new_operation(1) | |
229 | ), | |
230 | closable_device<output>(seq.new_operation(2)) | |
231 | ) | |
232 | ); | |
233 | BOOST_CHECK_NO_THROW(ch.reset()); | |
234 | BOOST_CHECK_OPERATION_SEQUENCE(seq); | |
235 | } | |
236 | ||
237 | // Compose a bidirectional filter with a bidirectional device | |
238 | { | |
239 | operation_sequence seq; | |
240 | chain<bidirectional> ch; | |
241 | ch.push( | |
242 | io::compose( | |
243 | closable_filter<bidirectional>( | |
244 | seq.new_operation(2), | |
245 | seq.new_operation(3) | |
246 | ), | |
247 | closable_device<bidirectional>( | |
248 | seq.new_operation(1), | |
249 | seq.new_operation(4) | |
250 | ) | |
251 | ) | |
252 | ); | |
253 | BOOST_CHECK_NO_THROW(ch.reset()); | |
254 | BOOST_CHECK_OPERATION_SEQUENCE(seq); | |
255 | } | |
256 | ||
257 | // Compose a seekable filter with a seekable device | |
258 | { | |
259 | operation_sequence seq; | |
260 | chain<seekable> ch; | |
261 | ch.push( | |
262 | io::compose( | |
263 | closable_filter<seekable>(seq.new_operation(1)), | |
264 | closable_device<seekable>(seq.new_operation(2)) | |
265 | ) | |
266 | ); | |
267 | BOOST_CHECK_NO_THROW(ch.reset()); | |
268 | BOOST_CHECK_OPERATION_SEQUENCE(seq); | |
269 | } | |
270 | } | |
271 | ||
272 | void close_composite_filter() | |
273 | { | |
274 | // Compose two input filters | |
275 | { | |
276 | operation_sequence seq; | |
277 | chain<input> ch; | |
278 | ch.push( | |
279 | io::compose( | |
280 | closable_filter<input>(seq.new_operation(3)), | |
281 | closable_filter<input>(seq.new_operation(2)) | |
282 | ) | |
283 | ); | |
284 | ch.push(closable_device<input>(seq.new_operation(1))); | |
285 | BOOST_CHECK_NO_THROW(ch.reset()); | |
286 | BOOST_CHECK_OPERATION_SEQUENCE(seq); | |
287 | } | |
288 | ||
289 | // Compose a bidirectional filter with an input filter | |
290 | { | |
291 | operation_sequence seq; | |
292 | chain<input> ch; | |
293 | ch.push( | |
294 | io::compose( | |
295 | closable_filter<bidirectional>( | |
296 | seq.new_operation(3), | |
297 | seq.new_operation(4) | |
298 | ), | |
299 | closable_filter<input>(seq.new_operation(2)) | |
300 | ) | |
301 | ); | |
302 | ch.push(closable_device<input>(seq.new_operation(1))); | |
303 | BOOST_CHECK_NO_THROW(ch.reset()); | |
304 | BOOST_CHECK_MESSAGE(seq.is_success(), seq.message()); | |
305 | } | |
306 | ||
307 | // Compose a seekable filter with an input filter | |
308 | { | |
309 | operation_sequence seq; | |
310 | chain<input> ch; | |
311 | ch.push( | |
312 | io::compose( | |
313 | closable_filter<seekable>(seq.new_operation(3)), | |
314 | closable_filter<input>(seq.new_operation(2)) | |
315 | ) | |
316 | ); | |
317 | ch.push(closable_device<input>(seq.new_operation(1))); | |
318 | BOOST_CHECK_NO_THROW(ch.reset()); | |
319 | BOOST_CHECK_OPERATION_SEQUENCE(seq); | |
320 | } | |
321 | ||
322 | // Compose a dual-use filter with an input filter | |
323 | { | |
324 | operation_sequence seq; | |
325 | chain<input> ch; | |
326 | operation dummy; | |
327 | ch.push( | |
328 | io::compose( | |
329 | closable_filter<dual_use>( | |
330 | seq.new_operation(3), | |
331 | dummy | |
332 | ), | |
333 | closable_filter<input>(seq.new_operation(2)) | |
334 | ) | |
335 | ); | |
336 | ch.push(closable_device<input>(seq.new_operation(1))); | |
337 | BOOST_CHECK_NO_THROW(ch.reset()); | |
338 | BOOST_CHECK_OPERATION_SEQUENCE(seq); | |
339 | } | |
340 | ||
341 | // Compose two output filters | |
342 | { | |
343 | operation_sequence seq; | |
344 | chain<output> ch; | |
345 | ch.push( | |
346 | io::compose( | |
347 | closable_filter<output>(seq.new_operation(1)), | |
348 | closable_filter<output>(seq.new_operation(2)) | |
349 | ) | |
350 | ); | |
351 | ch.push(closable_device<output>(seq.new_operation(3))); | |
352 | BOOST_CHECK_NO_THROW(ch.reset()); | |
353 | BOOST_CHECK_OPERATION_SEQUENCE(seq); | |
354 | } | |
355 | ||
356 | // Compose a bidirectional filter with an output filter | |
357 | { | |
358 | operation_sequence seq; | |
359 | chain<output> ch; | |
360 | ch.push( | |
361 | io::compose( | |
362 | closable_filter<bidirectional>( | |
363 | seq.new_operation(1), | |
364 | seq.new_operation(2) | |
365 | ), | |
366 | closable_filter<output>(seq.new_operation(3)) | |
367 | ) | |
368 | ); | |
369 | ch.push(closable_device<output>(seq.new_operation(4))); | |
370 | BOOST_CHECK_NO_THROW(ch.reset()); | |
371 | BOOST_CHECK_OPERATION_SEQUENCE(seq); | |
372 | } | |
373 | ||
374 | // Compose a seekable filter with an output filter | |
375 | { | |
376 | operation_sequence seq; | |
377 | chain<output> ch; | |
378 | ch.push( | |
379 | io::compose( | |
380 | closable_filter<seekable>(seq.new_operation(1)), | |
381 | closable_filter<output>(seq.new_operation(2)) | |
382 | ) | |
383 | ); | |
384 | ch.push(closable_device<output>(seq.new_operation(3))); | |
385 | BOOST_CHECK_NO_THROW(ch.reset()); | |
386 | BOOST_CHECK_OPERATION_SEQUENCE(seq); | |
387 | } | |
388 | ||
389 | // Compose a dual-use filter with an output filter | |
390 | { | |
391 | operation_sequence seq; | |
392 | chain<output> ch; | |
393 | operation dummy; | |
394 | ch.push( | |
395 | io::compose( | |
396 | closable_filter<dual_use>( | |
397 | dummy, | |
398 | seq.new_operation(1) | |
399 | ), | |
400 | closable_filter<output>(seq.new_operation(2)) | |
401 | ) | |
402 | ); | |
403 | ch.push(closable_device<output>(seq.new_operation(3))); | |
404 | BOOST_CHECK_NO_THROW(ch.reset()); | |
405 | BOOST_CHECK_OPERATION_SEQUENCE(seq); | |
406 | } | |
407 | ||
408 | // Compose two bidirectional filters | |
409 | { | |
410 | operation_sequence seq; | |
411 | chain<bidirectional> ch; | |
412 | ch.push( | |
413 | io::compose( | |
414 | closable_filter<bidirectional>( | |
415 | seq.new_operation(3), | |
416 | seq.new_operation(4) | |
417 | ), | |
418 | closable_filter<bidirectional>( | |
419 | seq.new_operation(2), | |
420 | seq.new_operation(5) | |
421 | ) | |
422 | ) | |
423 | ); | |
424 | ch.push( | |
425 | closable_device<bidirectional>( | |
426 | seq.new_operation(1), | |
427 | seq.new_operation(6) | |
428 | ) | |
429 | ); | |
430 | BOOST_CHECK_NO_THROW(ch.reset()); | |
431 | BOOST_CHECK_OPERATION_SEQUENCE(seq); | |
432 | } | |
433 | ||
434 | // Compose two seekable filters | |
435 | { | |
436 | operation_sequence seq; | |
437 | chain<seekable> ch; | |
438 | ch.push( | |
439 | io::compose( | |
440 | closable_filter<seekable>(seq.new_operation(1)), | |
441 | closable_filter<seekable>(seq.new_operation(2)) | |
442 | ) | |
443 | ); | |
444 | ch.push(closable_device<seekable>(seq.new_operation(3))); | |
445 | BOOST_CHECK_NO_THROW(ch.reset()); | |
446 | BOOST_CHECK_OPERATION_SEQUENCE(seq); | |
447 | } | |
448 | ||
449 | // Compose two dual-use filters for input | |
450 | { | |
451 | operation_sequence seq; | |
452 | chain<input> ch; | |
453 | operation dummy; | |
454 | ch.push( | |
455 | io::compose( | |
456 | closable_filter<dual_use>( | |
457 | seq.new_operation(3), | |
458 | dummy | |
459 | ), | |
460 | closable_filter<dual_use>( | |
461 | seq.new_operation(2), | |
462 | dummy | |
463 | ) | |
464 | ) | |
465 | ); | |
466 | ch.push(closable_device<input>(seq.new_operation(1))); | |
467 | BOOST_CHECK_NO_THROW(ch.reset()); | |
468 | BOOST_CHECK_OPERATION_SEQUENCE(seq); | |
469 | } | |
470 | ||
471 | // Compose two dual-use filters for output | |
472 | { | |
473 | operation_sequence seq; | |
474 | chain<output> ch; | |
475 | operation dummy; | |
476 | ch.push( | |
477 | io::compose( | |
478 | closable_filter<dual_use>( | |
479 | dummy, | |
480 | seq.new_operation(1) | |
481 | ), | |
482 | closable_filter<dual_use>( | |
483 | dummy, | |
484 | seq.new_operation(2) | |
485 | ) | |
486 | ) | |
487 | ); | |
488 | ch.push(closable_device<output>(seq.new_operation(3))); | |
489 | BOOST_CHECK_NO_THROW(ch.reset()); | |
490 | BOOST_CHECK_OPERATION_SEQUENCE(seq); | |
491 | } | |
492 | } | |
493 | ||
494 | test_suite* init_unit_test_suite(int, char* []) | |
495 | { | |
496 | test_suite* test = BOOST_TEST_SUITE("line_filter test"); | |
497 | test->add(BOOST_TEST_CASE(&read_composite)); | |
498 | test->add(BOOST_TEST_CASE(&write_composite)); | |
499 | test->add(BOOST_TEST_CASE(&close_composite_device)); | |
500 | test->add(BOOST_TEST_CASE(&close_composite_filter)); | |
501 | return test; | |
502 | } | |
503 | ||
504 | #include <boost/iostreams/detail/config/enable_warnings.hpp> // BCC 5.x. |