| 1 | /////////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: tests/streams/stdstream.cpp |
| 3 | // Purpose: Test wxStdInputStreamBuffer/wxStdOutputStreamBuffer |
| 4 | // Author: Jonathan Liu <net147@gmail.com> |
| 5 | // RCS-ID: $Id$ |
| 6 | // Copyright: (c) 2009 Jonathan Liu |
| 7 | // Licence: wxWindows licence |
| 8 | /////////////////////////////////////////////////////////////////////////////// |
| 9 | |
| 10 | // For compilers that support precompilation, includes "wx/wx.h". |
| 11 | // and "wx/cppunit.h" |
| 12 | #include "testprec.h" |
| 13 | |
| 14 | #ifdef __BORLANDC__ |
| 15 | #pragma hdrstop |
| 16 | #endif |
| 17 | |
| 18 | // for all others, include the necessary headers |
| 19 | #ifndef WX_PRECOMP |
| 20 | #include "wx/wx.h" |
| 21 | #endif |
| 22 | |
| 23 | #if wxUSE_STD_IOSTREAM |
| 24 | |
| 25 | #include "wx/stdstream.h" |
| 26 | |
| 27 | #include <string.h> |
| 28 | #include "wx/mstream.h" |
| 29 | |
| 30 | // ========================================================================== |
| 31 | // Definitions |
| 32 | // ========================================================================== |
| 33 | |
| 34 | const int TEST_SIZE = 384; |
| 35 | |
| 36 | // ========================================================================== |
| 37 | // Test class |
| 38 | // ========================================================================== |
| 39 | |
| 40 | class StdStreamTestCase : public CppUnit::TestCase |
| 41 | { |
| 42 | public: |
| 43 | StdStreamTestCase(); |
| 44 | |
| 45 | private: |
| 46 | CPPUNIT_TEST_SUITE( StdStreamTestCase ); |
| 47 | // Input buffer management and positioning |
| 48 | CPPUNIT_TEST( InputBuffer_pubsetbuf ); |
| 49 | CPPUNIT_TEST( InputBuffer_pubseekoff ); |
| 50 | CPPUNIT_TEST( InputBuffer_pubseekpos ); |
| 51 | CPPUNIT_TEST( InputBuffer_pubsync ); |
| 52 | |
| 53 | // Input functions |
| 54 | CPPUNIT_TEST( InputBuffer_in_avail ); |
| 55 | CPPUNIT_TEST( InputBuffer_snextc ); |
| 56 | CPPUNIT_TEST( InputBuffer_sbumpc ); |
| 57 | CPPUNIT_TEST( InputBuffer_sgetc ); |
| 58 | CPPUNIT_TEST( InputBuffer_sgetn ); |
| 59 | CPPUNIT_TEST( InputBuffer_sputbackc ); |
| 60 | CPPUNIT_TEST( InputBuffer_sungetc ); |
| 61 | |
| 62 | // Output buffer management and positioning |
| 63 | CPPUNIT_TEST( OutputBuffer_pubsetbuf ); |
| 64 | CPPUNIT_TEST( OutputBuffer_pubseekoff ); |
| 65 | CPPUNIT_TEST( OutputBuffer_pubseekpos ); |
| 66 | CPPUNIT_TEST( OutputBuffer_pubsync ); |
| 67 | |
| 68 | // Output functions |
| 69 | CPPUNIT_TEST( OutputBuffer_sputc ); |
| 70 | CPPUNIT_TEST( OutputBuffer_sputn ); |
| 71 | CPPUNIT_TEST_SUITE_END(); |
| 72 | |
| 73 | // Input buffer management and positioning |
| 74 | void InputBuffer_pubsetbuf(); |
| 75 | void InputBuffer_pubseekoff(); |
| 76 | void InputBuffer_pubseekpos(); |
| 77 | void InputBuffer_pubsync(); |
| 78 | |
| 79 | // Input functions |
| 80 | void InputBuffer_in_avail(); |
| 81 | void InputBuffer_snextc(); |
| 82 | void InputBuffer_sbumpc(); |
| 83 | void InputBuffer_sgetc(); |
| 84 | void InputBuffer_sgetn(); |
| 85 | void InputBuffer_sputbackc(); |
| 86 | void InputBuffer_sungetc(); |
| 87 | |
| 88 | // Output buffer management and positioning |
| 89 | void OutputBuffer_pubsetbuf(); |
| 90 | void OutputBuffer_pubseekoff(); |
| 91 | void OutputBuffer_pubseekpos(); |
| 92 | void OutputBuffer_pubsync(); |
| 93 | |
| 94 | // Output functions |
| 95 | void OutputBuffer_sputc(); |
| 96 | void OutputBuffer_sputn(); |
| 97 | |
| 98 | char m_testData[TEST_SIZE]; |
| 99 | |
| 100 | DECLARE_NO_COPY_CLASS(StdStreamTestCase) |
| 101 | }; |
| 102 | |
| 103 | // register in the unnamed registry so that these tests are run by default |
| 104 | CPPUNIT_TEST_SUITE_REGISTRATION( StdStreamTestCase ); |
| 105 | |
| 106 | // also include in its own registry so that these tests can be run alone |
| 107 | CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( StdStreamTestCase, |
| 108 | "StdStreamTestCase" ); |
| 109 | |
| 110 | // ========================================================================== |
| 111 | // Implementation |
| 112 | // ========================================================================== |
| 113 | |
| 114 | StdStreamTestCase::StdStreamTestCase() |
| 115 | { |
| 116 | for (int i = 0; i < TEST_SIZE; ++i) |
| 117 | m_testData[i] = (i & 0xFF); |
| 118 | } |
| 119 | |
| 120 | // -------------------------------------------------------------------------- |
| 121 | // Input buffer management and positioning |
| 122 | // -------------------------------------------------------------------------- |
| 123 | |
| 124 | void StdStreamTestCase::InputBuffer_pubsetbuf() |
| 125 | { |
| 126 | wxMemoryInputStream stream(m_testData, TEST_SIZE); |
| 127 | wxStdInputStreamBuffer buffer(stream); |
| 128 | char testBuffer[TEST_SIZE]; |
| 129 | |
| 130 | CPPUNIT_ASSERT(buffer.pubsetbuf(testBuffer, TEST_SIZE) == NULL); |
| 131 | } |
| 132 | |
| 133 | void StdStreamTestCase::InputBuffer_pubseekoff() |
| 134 | { |
| 135 | const char *testData = "0123456789"; |
| 136 | wxMemoryInputStream stream(testData, 10); |
| 137 | wxStdInputStreamBuffer buffer(stream); |
| 138 | |
| 139 | CPPUNIT_ASSERT_EQUAL(2, |
| 140 | buffer.pubseekoff(2, std::ios_base::beg, |
| 141 | std::ios_base::in)); |
| 142 | CPPUNIT_ASSERT_EQUAL(-1, |
| 143 | buffer.pubseekoff(2, std::ios_base::beg, |
| 144 | std::ios_base::out)); |
| 145 | |
| 146 | CPPUNIT_ASSERT_EQUAL(4, |
| 147 | buffer.pubseekoff(2, std::ios_base::cur)); |
| 148 | CPPUNIT_ASSERT_EQUAL(-1, |
| 149 | buffer.pubseekoff(2, std::ios_base::cur, |
| 150 | std::ios_base::out)); |
| 151 | |
| 152 | CPPUNIT_ASSERT_EQUAL(8, |
| 153 | buffer.pubseekoff(-2, std::ios_base::end)); |
| 154 | CPPUNIT_ASSERT_EQUAL(-1, |
| 155 | buffer.pubseekoff(-2, std::ios_base::end, |
| 156 | std::ios_base::out)); |
| 157 | |
| 158 | CPPUNIT_ASSERT_EQUAL(-1, |
| 159 | buffer.pubseekoff(3, std::ios_base::cur)); |
| 160 | CPPUNIT_ASSERT_EQUAL(-1, |
| 161 | buffer.pubseekoff(3, std::ios_base::cur, |
| 162 | std::ios_base::out)); |
| 163 | } |
| 164 | |
| 165 | void StdStreamTestCase::InputBuffer_pubseekpos() |
| 166 | { |
| 167 | const char *testData = "0123456789"; |
| 168 | wxMemoryInputStream stream(testData, 10); |
| 169 | wxStdInputStreamBuffer buffer(stream); |
| 170 | |
| 171 | for (int i = 9; i >= 0; --i) |
| 172 | { |
| 173 | if (i % 2 == 0) |
| 174 | CPPUNIT_ASSERT_EQUAL(i, buffer.pubseekpos(i)); |
| 175 | else |
| 176 | CPPUNIT_ASSERT_EQUAL(i, buffer.pubseekpos(i, std::ios_base::in)); |
| 177 | |
| 178 | CPPUNIT_ASSERT_EQUAL('0' + i, buffer.sgetc()); |
| 179 | } |
| 180 | } |
| 181 | |
| 182 | void StdStreamTestCase::InputBuffer_pubsync() |
| 183 | { |
| 184 | wxMemoryInputStream stream(m_testData, TEST_SIZE); |
| 185 | wxStdInputStreamBuffer buffer(stream); |
| 186 | |
| 187 | CPPUNIT_ASSERT(buffer.pubsync() == 0); |
| 188 | } |
| 189 | |
| 190 | // -------------------------------------------------------------------------- |
| 191 | // Input functions |
| 192 | // -------------------------------------------------------------------------- |
| 193 | |
| 194 | void StdStreamTestCase::InputBuffer_in_avail() |
| 195 | { |
| 196 | wxMemoryInputStream stream(m_testData, TEST_SIZE); |
| 197 | wxStdInputStreamBuffer buffer(stream); |
| 198 | |
| 199 | CPPUNIT_ASSERT(buffer.sgetc() != EOF); |
| 200 | CPPUNIT_ASSERT_EQUAL(TEST_SIZE, buffer.in_avail()); |
| 201 | |
| 202 | char data[TEST_SIZE / 2]; |
| 203 | |
| 204 | buffer.sgetn(data, TEST_SIZE / 2); |
| 205 | CPPUNIT_ASSERT_EQUAL(TEST_SIZE - TEST_SIZE / 2, buffer.in_avail()); |
| 206 | } |
| 207 | |
| 208 | void StdStreamTestCase::InputBuffer_snextc() |
| 209 | { |
| 210 | wxMemoryInputStream stream(m_testData, TEST_SIZE); |
| 211 | wxStdInputStreamBuffer buffer(stream); |
| 212 | |
| 213 | CPPUNIT_ASSERT(buffer.sgetc() != EOF); |
| 214 | CPPUNIT_ASSERT_EQUAL(TEST_SIZE, buffer.in_avail()); |
| 215 | |
| 216 | char data[TEST_SIZE]; |
| 217 | |
| 218 | data[0] = buffer.sgetc(); |
| 219 | |
| 220 | for (int i = 1; i < TEST_SIZE; ++i) |
| 221 | data[i] = buffer.snextc(); |
| 222 | |
| 223 | CPPUNIT_ASSERT(memcmp(data, m_testData, TEST_SIZE) == 0); |
| 224 | CPPUNIT_ASSERT_EQUAL((int)(unsigned char) (m_testData[TEST_SIZE - 1]), |
| 225 | buffer.sbumpc()); |
| 226 | CPPUNIT_ASSERT(buffer.sgetc() == EOF); |
| 227 | } |
| 228 | |
| 229 | void StdStreamTestCase::InputBuffer_sbumpc() |
| 230 | { |
| 231 | wxMemoryInputStream stream(m_testData, TEST_SIZE); |
| 232 | wxStdInputStreamBuffer buffer(stream); |
| 233 | |
| 234 | CPPUNIT_ASSERT(buffer.sgetc() != EOF); |
| 235 | CPPUNIT_ASSERT_EQUAL(TEST_SIZE, buffer.in_avail()); |
| 236 | |
| 237 | char data[TEST_SIZE]; |
| 238 | |
| 239 | for (int i = 0; i < TEST_SIZE; ++i) |
| 240 | data[i] = buffer.sbumpc(); |
| 241 | |
| 242 | CPPUNIT_ASSERT(memcmp(data, m_testData, TEST_SIZE) == 0); |
| 243 | CPPUNIT_ASSERT(buffer.sgetc() == EOF); |
| 244 | } |
| 245 | |
| 246 | void StdStreamTestCase::InputBuffer_sgetc() |
| 247 | { |
| 248 | wxMemoryInputStream stream(m_testData, TEST_SIZE); |
| 249 | wxStdInputStreamBuffer buffer(stream); |
| 250 | |
| 251 | CPPUNIT_ASSERT(buffer.sgetc() != EOF); |
| 252 | CPPUNIT_ASSERT_EQUAL(TEST_SIZE, buffer.in_avail()); |
| 253 | |
| 254 | char data[TEST_SIZE]; |
| 255 | |
| 256 | for (int i = 0; i < TEST_SIZE; ++i) { |
| 257 | data[i] = buffer.sgetc(); |
| 258 | buffer.sbumpc(); |
| 259 | } |
| 260 | |
| 261 | CPPUNIT_ASSERT(memcmp(data, m_testData, TEST_SIZE) == 0); |
| 262 | CPPUNIT_ASSERT(buffer.sgetc() == EOF); |
| 263 | } |
| 264 | |
| 265 | void StdStreamTestCase::InputBuffer_sgetn() |
| 266 | { |
| 267 | wxMemoryInputStream stream(m_testData, TEST_SIZE); |
| 268 | wxStdInputStreamBuffer buffer(stream); |
| 269 | |
| 270 | CPPUNIT_ASSERT(buffer.sgetc() != EOF); |
| 271 | CPPUNIT_ASSERT_EQUAL(TEST_SIZE, buffer.in_avail()); |
| 272 | |
| 273 | char data[TEST_SIZE * 2]; |
| 274 | std::streamsize read = buffer.sgetn(data, TEST_SIZE * 2); |
| 275 | |
| 276 | CPPUNIT_ASSERT_EQUAL(TEST_SIZE, read); |
| 277 | CPPUNIT_ASSERT(memcmp(data, m_testData, TEST_SIZE) == 0); |
| 278 | CPPUNIT_ASSERT(buffer.sgetc() == EOF); |
| 279 | } |
| 280 | |
| 281 | void StdStreamTestCase::InputBuffer_sputbackc() |
| 282 | { |
| 283 | wxMemoryInputStream stream(m_testData, TEST_SIZE); |
| 284 | wxStdInputStreamBuffer buffer(stream); |
| 285 | |
| 286 | CPPUNIT_ASSERT(buffer.sgetc() != EOF); |
| 287 | CPPUNIT_ASSERT_EQUAL(TEST_SIZE, buffer.in_avail()); |
| 288 | |
| 289 | char data[TEST_SIZE]; |
| 290 | std::streamsize read = buffer.sgetn(data, TEST_SIZE); |
| 291 | |
| 292 | CPPUNIT_ASSERT_EQUAL(TEST_SIZE, read); |
| 293 | CPPUNIT_ASSERT(memcmp(data, m_testData, TEST_SIZE) == 0); |
| 294 | CPPUNIT_ASSERT(buffer.sgetc() == EOF); |
| 295 | |
| 296 | char putBackChar = m_testData[TEST_SIZE - 1] + 147; |
| 297 | |
| 298 | CPPUNIT_ASSERT_EQUAL((int) putBackChar, buffer.sputbackc(putBackChar)); |
| 299 | CPPUNIT_ASSERT_EQUAL((int) putBackChar, buffer.sgetc()); |
| 300 | CPPUNIT_ASSERT_EQUAL((int) putBackChar, buffer.sbumpc()); |
| 301 | CPPUNIT_ASSERT(buffer.sgetc() == EOF); |
| 302 | } |
| 303 | |
| 304 | void StdStreamTestCase::InputBuffer_sungetc() |
| 305 | { |
| 306 | wxMemoryInputStream stream(m_testData, TEST_SIZE); |
| 307 | wxStdInputStreamBuffer buffer(stream); |
| 308 | |
| 309 | CPPUNIT_ASSERT(buffer.sgetc() != EOF); |
| 310 | CPPUNIT_ASSERT_EQUAL(TEST_SIZE, buffer.in_avail()); |
| 311 | |
| 312 | char data[TEST_SIZE]; |
| 313 | std::streamsize read = buffer.sgetn(data, TEST_SIZE); |
| 314 | |
| 315 | CPPUNIT_ASSERT_EQUAL(TEST_SIZE, read); |
| 316 | CPPUNIT_ASSERT(memcmp(data, m_testData, TEST_SIZE) == 0); |
| 317 | CPPUNIT_ASSERT(buffer.sgetc() == EOF); |
| 318 | |
| 319 | CPPUNIT_ASSERT_EQUAL((int) m_testData[TEST_SIZE - 1], buffer.sungetc()); |
| 320 | CPPUNIT_ASSERT_EQUAL((int) m_testData[TEST_SIZE - 1], buffer.sgetc()); |
| 321 | CPPUNIT_ASSERT_EQUAL((int) m_testData[TEST_SIZE - 1], buffer.sbumpc()); |
| 322 | CPPUNIT_ASSERT(buffer.sgetc() == EOF); |
| 323 | } |
| 324 | |
| 325 | // -------------------------------------------------------------------------- |
| 326 | // Output buffer management and positioning |
| 327 | // -------------------------------------------------------------------------- |
| 328 | |
| 329 | void StdStreamTestCase::OutputBuffer_pubsetbuf() |
| 330 | { |
| 331 | wxMemoryOutputStream stream; |
| 332 | wxStdOutputStreamBuffer buffer(stream); |
| 333 | char testBuffer[TEST_SIZE]; |
| 334 | |
| 335 | CPPUNIT_ASSERT(buffer.pubsetbuf(testBuffer, TEST_SIZE) == NULL); |
| 336 | } |
| 337 | |
| 338 | void StdStreamTestCase::OutputBuffer_pubseekoff() |
| 339 | { |
| 340 | char testData[] = "0123456789"; |
| 341 | wxMemoryOutputStream stream(testData, 10); |
| 342 | wxStdOutputStreamBuffer buffer(stream); |
| 343 | |
| 344 | CPPUNIT_ASSERT_EQUAL(2, |
| 345 | buffer.pubseekoff(2, std::ios_base::beg, |
| 346 | std::ios_base::out)); |
| 347 | CPPUNIT_ASSERT_EQUAL(-1, |
| 348 | buffer.pubseekoff(2, std::ios_base::beg, |
| 349 | std::ios_base::in)); |
| 350 | |
| 351 | CPPUNIT_ASSERT_EQUAL(4, |
| 352 | buffer.pubseekoff(2, std::ios_base::cur)); |
| 353 | CPPUNIT_ASSERT_EQUAL(-1, |
| 354 | buffer.pubseekoff(2, std::ios_base::cur, |
| 355 | std::ios_base::in)); |
| 356 | |
| 357 | CPPUNIT_ASSERT_EQUAL(8, |
| 358 | buffer.pubseekoff(-2, std::ios_base::end)); |
| 359 | CPPUNIT_ASSERT_EQUAL(-1, |
| 360 | buffer.pubseekoff(-2, std::ios_base::end, |
| 361 | std::ios_base::in)); |
| 362 | |
| 363 | CPPUNIT_ASSERT_EQUAL(-1, |
| 364 | buffer.pubseekoff(3, std::ios_base::cur)); |
| 365 | CPPUNIT_ASSERT_EQUAL(-1, |
| 366 | buffer.pubseekoff(3, std::ios_base::cur, |
| 367 | std::ios_base::in)); |
| 368 | } |
| 369 | |
| 370 | void StdStreamTestCase::OutputBuffer_pubseekpos() |
| 371 | { |
| 372 | char testData[] = "0123456789"; |
| 373 | wxMemoryOutputStream stream(testData, 10); |
| 374 | wxStdOutputStreamBuffer buffer(stream); |
| 375 | |
| 376 | for (int i = 9; i >= 0; --i) |
| 377 | { |
| 378 | if (i % 2 == 0) |
| 379 | { |
| 380 | CPPUNIT_ASSERT_EQUAL(i, buffer.pubseekpos(i)); |
| 381 | } |
| 382 | else |
| 383 | { |
| 384 | CPPUNIT_ASSERT_EQUAL(i, |
| 385 | buffer.pubseekpos(i, std::ios_base::out)); |
| 386 | } |
| 387 | |
| 388 | CPPUNIT_ASSERT_EQUAL('0' + (9 - i), buffer.sputc('0' + (9 - i))); |
| 389 | } |
| 390 | |
| 391 | CPPUNIT_ASSERT(memcmp(testData, "9876543210", 10) == 0); |
| 392 | |
| 393 | CPPUNIT_ASSERT_EQUAL(-1, buffer.pubseekpos(5, std::ios_base::in)); |
| 394 | } |
| 395 | |
| 396 | void StdStreamTestCase::OutputBuffer_pubsync() |
| 397 | { |
| 398 | wxMemoryOutputStream stream; |
| 399 | wxStdOutputStreamBuffer buffer(stream); |
| 400 | |
| 401 | CPPUNIT_ASSERT(buffer.pubsync() == 0); |
| 402 | } |
| 403 | |
| 404 | // -------------------------------------------------------------------------- |
| 405 | // Output functions |
| 406 | // -------------------------------------------------------------------------- |
| 407 | |
| 408 | void StdStreamTestCase::OutputBuffer_sputc() |
| 409 | { |
| 410 | wxMemoryOutputStream stream; |
| 411 | wxStdOutputStreamBuffer buffer(stream); |
| 412 | |
| 413 | for (int i = 0; i < TEST_SIZE; ++i) |
| 414 | buffer.sputc(m_testData[i]); |
| 415 | |
| 416 | CPPUNIT_ASSERT_EQUAL(TEST_SIZE, stream.GetSize()); |
| 417 | |
| 418 | char result[TEST_SIZE]; |
| 419 | |
| 420 | stream.CopyTo(result, TEST_SIZE); |
| 421 | CPPUNIT_ASSERT(memcmp(result, m_testData, TEST_SIZE) == 0); |
| 422 | } |
| 423 | |
| 424 | void StdStreamTestCase::OutputBuffer_sputn() |
| 425 | { |
| 426 | wxMemoryOutputStream stream; |
| 427 | wxStdOutputStreamBuffer buffer(stream); |
| 428 | |
| 429 | buffer.sputn(m_testData, TEST_SIZE); |
| 430 | CPPUNIT_ASSERT_EQUAL(TEST_SIZE, stream.GetSize()); |
| 431 | |
| 432 | char result[TEST_SIZE]; |
| 433 | |
| 434 | stream.CopyTo(result, TEST_SIZE); |
| 435 | CPPUNIT_ASSERT(memcmp(result, m_testData, TEST_SIZE) == 0); |
| 436 | } |
| 437 | |
| 438 | #endif // wxUSE_STD_IOSTREAM |