openvcdiff | 311c714 | 2008-08-26 19:29:25 +0000 | [diff] [blame] | 1 | // Copyright 2008 Google Inc. |
| 2 | // Author: Lincoln Smith |
| 3 | // |
| 4 | // Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | // you may not use this file except in compliance with the License. |
| 6 | // You may obtain a copy of the License at |
| 7 | // |
| 8 | // http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | // |
| 10 | // Unless required by applicable law or agreed to in writing, software |
| 11 | // distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | // See the License for the specific language governing permissions and |
| 14 | // limitations under the License. |
| 15 | |
| 16 | #include <config.h> |
| 17 | #include "google/vcdecoder.h" |
openvcdiff | 311c714 | 2008-08-26 19:29:25 +0000 | [diff] [blame] | 18 | #include "testing.h" |
| 19 | #include "vcdecoder_test.h" |
| 20 | #include "vcdiff_defs.h" // VCD_SOURCE |
| 21 | |
| 22 | namespace open_vcdiff { |
| 23 | |
openvcdiff | 311c714 | 2008-08-26 19:29:25 +0000 | [diff] [blame] | 24 | // These are the same tests as for VCDiffStandardDecoderTest, with the added |
| 25 | // complication that instead of calling DecodeChunk() once with the entire data |
| 26 | // set, DecodeChunk() is called once for each byte of input. This is intended |
| 27 | // to shake out any bugs with rewind and resume while parsing chunked data. |
| 28 | |
| 29 | typedef VCDiffStandardDecoderTest VCDiffStandardDecoderTestByteByByte; |
| 30 | |
| 31 | TEST_F(VCDiffStandardDecoderTestByteByByte, DecodeHeaderOnly) { |
| 32 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 33 | for (size_t i = 0; i < delta_file_header_.size(); ++i) { |
| 34 | EXPECT_TRUE(decoder_.DecodeChunk(&delta_file_header_[i], 1, &output_)); |
| 35 | } |
| 36 | EXPECT_TRUE(decoder_.FinishDecoding()); |
| 37 | EXPECT_EQ("", output_); |
| 38 | } |
| 39 | |
| 40 | TEST_F(VCDiffStandardDecoderTestByteByByte, Decode) { |
| 41 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 42 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 43 | EXPECT_TRUE(decoder_.DecodeChunk(&delta_file_[i], 1, &output_)); |
| 44 | } |
| 45 | EXPECT_TRUE(decoder_.FinishDecoding()); |
openvcdiff@gmail.com | 732fff2 | 2010-08-04 18:00:00 +0000 | [diff] [blame] | 46 | EXPECT_EQ(expected_target_.c_str(), output_); |
openvcdiff | 311c714 | 2008-08-26 19:29:25 +0000 | [diff] [blame] | 47 | } |
| 48 | |
openvcdiff | baf44ea | 2009-04-09 19:20:49 +0000 | [diff] [blame] | 49 | TEST_F(VCDiffStandardDecoderTestByteByByte, DecodeNoVcdTarget) { |
| 50 | decoder_.SetAllowVcdTarget(false); |
| 51 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 52 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 53 | EXPECT_TRUE(decoder_.DecodeChunk(&delta_file_[i], 1, &output_)); |
| 54 | } |
| 55 | EXPECT_TRUE(decoder_.FinishDecoding()); |
openvcdiff@gmail.com | 732fff2 | 2010-08-04 18:00:00 +0000 | [diff] [blame] | 56 | EXPECT_EQ(expected_target_.c_str(), output_); |
openvcdiff | baf44ea | 2009-04-09 19:20:49 +0000 | [diff] [blame] | 57 | } |
| 58 | |
openvcdiff | 311c714 | 2008-08-26 19:29:25 +0000 | [diff] [blame] | 59 | // Remove one byte from the length of the chunk to process, and |
| 60 | // verify that an error is returned for FinishDecoding(). |
| 61 | TEST_F(VCDiffStandardDecoderTestByteByByte, FinishAfterDecodingPartialWindow) { |
| 62 | delta_file_.resize(delta_file_.size() - 1); |
| 63 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 64 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 65 | EXPECT_TRUE(decoder_.DecodeChunk(&delta_file_[i], 1, &output_)); |
| 66 | } |
| 67 | EXPECT_FALSE(decoder_.FinishDecoding()); |
| 68 | // The decoder should not create more target bytes than were expected. |
| 69 | EXPECT_GE(expected_target_.size(), output_.size()); |
| 70 | } |
| 71 | |
| 72 | TEST_F(VCDiffStandardDecoderTestByteByByte, |
| 73 | FinishAfterDecodingPartialWindowHeader) { |
| 74 | delta_file_.resize(delta_file_header_.size() |
| 75 | + delta_window_header_.size() - 1); |
| 76 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 77 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 78 | EXPECT_TRUE(decoder_.DecodeChunk(&delta_file_[i], 1, &output_)); |
| 79 | } |
| 80 | EXPECT_FALSE(decoder_.FinishDecoding()); |
| 81 | EXPECT_EQ("", output_); |
| 82 | } |
| 83 | |
| 84 | // If we add a checksum to a standard-format delta file (without using format |
| 85 | // extensions), it will be interpreted as random bytes inserted into the middle |
| 86 | // of the file. The decode operation should fail, but where exactly it fails is |
| 87 | // undefined. |
| 88 | TEST_F(VCDiffStandardDecoderTestByteByByte, |
| 89 | StandardFormatDoesNotSupportChecksum) { |
| 90 | ComputeAndAddChecksum(); |
| 91 | InitializeDeltaFile(); |
| 92 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 93 | bool failed = false; |
| 94 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 95 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 96 | failed = true; |
| 97 | break; |
| 98 | } |
| 99 | } |
| 100 | EXPECT_TRUE(failed); |
| 101 | // The decoder should not create more target bytes than were expected. |
| 102 | EXPECT_GE(expected_target_.size(), output_.size()); |
| 103 | } |
| 104 | |
openvcdiff | 28db807 | 2008-10-10 23:29:11 +0000 | [diff] [blame] | 105 | TEST_F(VCDiffStandardDecoderTestByteByByte, TargetMatchesWindowSizeLimit) { |
| 106 | decoder_.SetMaximumTargetWindowSize(expected_target_.size()); |
| 107 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 108 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 109 | EXPECT_TRUE(decoder_.DecodeChunk(&delta_file_[i], 1, &output_)); |
| 110 | } |
| 111 | EXPECT_TRUE(decoder_.FinishDecoding()); |
openvcdiff@gmail.com | 732fff2 | 2010-08-04 18:00:00 +0000 | [diff] [blame] | 112 | EXPECT_EQ(expected_target_.c_str(), output_); |
openvcdiff | 28db807 | 2008-10-10 23:29:11 +0000 | [diff] [blame] | 113 | } |
| 114 | |
| 115 | TEST_F(VCDiffStandardDecoderTestByteByByte, TargetMatchesFileSizeLimit) { |
| 116 | decoder_.SetMaximumTargetFileSize(expected_target_.size()); |
| 117 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 118 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 119 | EXPECT_TRUE(decoder_.DecodeChunk(&delta_file_[i], 1, &output_)); |
| 120 | } |
| 121 | EXPECT_TRUE(decoder_.FinishDecoding()); |
openvcdiff@gmail.com | 732fff2 | 2010-08-04 18:00:00 +0000 | [diff] [blame] | 122 | EXPECT_EQ(expected_target_.c_str(), output_); |
openvcdiff | 28db807 | 2008-10-10 23:29:11 +0000 | [diff] [blame] | 123 | } |
| 124 | |
| 125 | TEST_F(VCDiffStandardDecoderTestByteByByte, TargetExceedsWindowSizeLimit) { |
| 126 | decoder_.SetMaximumTargetWindowSize(expected_target_.size() - 1); |
| 127 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 128 | bool failed = false; |
| 129 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 130 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 131 | failed = true; |
| 132 | break; |
| 133 | } |
| 134 | } |
| 135 | EXPECT_TRUE(failed); |
| 136 | EXPECT_EQ("", output_); |
| 137 | } |
| 138 | |
| 139 | TEST_F(VCDiffStandardDecoderTestByteByByte, TargetExceedsFileSizeLimit) { |
| 140 | decoder_.SetMaximumTargetFileSize(expected_target_.size() - 1); |
| 141 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 142 | bool failed = false; |
| 143 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 144 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 145 | failed = true; |
| 146 | break; |
| 147 | } |
| 148 | } |
| 149 | EXPECT_TRUE(failed); |
| 150 | EXPECT_EQ("", output_); |
| 151 | } |
| 152 | |
openvcdiff | 311c714 | 2008-08-26 19:29:25 +0000 | [diff] [blame] | 153 | // Fuzz bits to make sure decoder does not violently crash. |
| 154 | // This test has no expected behavior except that no crashes should occur. |
| 155 | // In some cases, changing bits will still decode to the correct target; |
| 156 | // for example, changing unused bits within a bitfield. |
| 157 | TEST_F(VCDiffStandardDecoderTestByteByByte, FuzzBits) { |
| 158 | while (FuzzOneByteInDeltaFile()) { |
| 159 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 160 | bool failed = false; |
| 161 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 162 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 163 | failed = true; |
| 164 | break; |
| 165 | } |
| 166 | } |
| 167 | if (!failed) { |
| 168 | decoder_.FinishDecoding(); |
| 169 | } |
| 170 | // The decoder should not create more target bytes than were expected. |
| 171 | EXPECT_GE(expected_target_.size(), output_.size()); |
| 172 | InitializeDeltaFile(); |
| 173 | output_.clear(); |
| 174 | } |
| 175 | } |
| 176 | |
openvcdiff | 311c714 | 2008-08-26 19:29:25 +0000 | [diff] [blame] | 177 | // Change each element of the delta file window to an erroneous value |
| 178 | // and make sure it's caught as an error. |
| 179 | |
| 180 | TEST_F(VCDiffStandardDecoderTestByteByByte, |
| 181 | WinIndicatorHasBothSourceAndTarget) { |
| 182 | delta_file_[delta_file_header_.size()] = VCD_SOURCE + VCD_TARGET; |
| 183 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 184 | bool failed = false; |
| 185 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 186 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 187 | failed = true; |
| 188 | // It should fail at the position that was altered |
| 189 | EXPECT_EQ(delta_file_header_.size(), i); |
| 190 | break; |
| 191 | } |
| 192 | } |
| 193 | EXPECT_TRUE(failed); |
| 194 | EXPECT_EQ("", output_); |
| 195 | } |
| 196 | |
| 197 | TEST_F(VCDiffStandardDecoderTestByteByByte, OkayToSetUpperBitsOfWinIndicator) { |
| 198 | // It is not an error to set any of the other bits in Win_Indicator |
| 199 | // besides VCD_SOURCE and VCD_TARGET. |
| 200 | delta_file_[delta_file_header_.size()] = 0xFD; |
| 201 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 202 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 203 | EXPECT_TRUE(decoder_.DecodeChunk(&delta_file_[i], 1, &output_)); |
| 204 | } |
| 205 | EXPECT_TRUE(decoder_.FinishDecoding()); |
openvcdiff@gmail.com | 732fff2 | 2010-08-04 18:00:00 +0000 | [diff] [blame] | 206 | EXPECT_EQ(expected_target_.c_str(), output_); |
openvcdiff | 311c714 | 2008-08-26 19:29:25 +0000 | [diff] [blame] | 207 | } |
| 208 | |
| 209 | TEST_F(VCDiffStandardDecoderTestByteByByte, |
| 210 | CopyInstructionsShouldFailIfNoSourceSegment) { |
| 211 | // Replace the Win_Indicator and the source size and source offset with a |
| 212 | // single 0 byte (a Win_Indicator for a window with no source segment.) |
| 213 | delta_window_header_.replace(0, 4, "\0", 1); |
| 214 | InitializeDeltaFile(); |
| 215 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 216 | bool failed = false; |
| 217 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 218 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 219 | failed = true; |
| 220 | // The first COPY instruction should fail. With the standard format, |
| 221 | // it may need to see the whole delta window before knowing that it is |
| 222 | // invalid. |
| 223 | break; |
| 224 | } |
| 225 | } |
| 226 | EXPECT_TRUE(failed); |
| 227 | EXPECT_EQ("", output_); |
| 228 | } |
| 229 | |
| 230 | TEST_F(VCDiffStandardDecoderTestByteByByte, |
| 231 | SourceSegmentSizeExceedsDictionarySize) { |
| 232 | ++delta_file_[delta_file_header_.size() + 2]; // increment size |
| 233 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 234 | bool failed = false; |
| 235 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 236 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 237 | failed = true; |
| 238 | // It should fail after decoding the source segment size |
| 239 | EXPECT_EQ(delta_file_header_.size() + 2, i); |
| 240 | break; |
| 241 | } |
| 242 | } |
| 243 | EXPECT_TRUE(failed); |
| 244 | EXPECT_EQ("", output_); |
| 245 | } |
| 246 | |
| 247 | TEST_F(VCDiffStandardDecoderTestByteByByte, SourceSegmentSizeMaxInt) { |
| 248 | WriteMaxVarintAtOffset(1, 2); |
| 249 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 250 | bool failed = false; |
| 251 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 252 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 253 | failed = true; |
| 254 | // It should fail after decoding the source segment size |
| 255 | EXPECT_EQ(delta_file_header_.size() + 5, i); |
| 256 | break; |
| 257 | } |
| 258 | } |
| 259 | EXPECT_TRUE(failed); |
| 260 | EXPECT_EQ("", output_); |
| 261 | } |
| 262 | |
| 263 | TEST_F(VCDiffStandardDecoderTestByteByByte, SourceSegmentSizeNegative) { |
| 264 | WriteNegativeVarintAtOffset(1, 2); |
| 265 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 266 | bool failed = false; |
| 267 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 268 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 269 | failed = true; |
| 270 | // It should fail after decoding the source segment size |
openvcdiff@gmail.com | f1dd933 | 2009-10-09 22:40:32 +0000 | [diff] [blame] | 271 | EXPECT_EQ(delta_file_header_.size() + 4, i); |
openvcdiff | 311c714 | 2008-08-26 19:29:25 +0000 | [diff] [blame] | 272 | break; |
| 273 | } |
| 274 | } |
| 275 | EXPECT_TRUE(failed); |
| 276 | EXPECT_EQ("", output_); |
| 277 | } |
| 278 | |
| 279 | TEST_F(VCDiffStandardDecoderTestByteByByte, SourceSegmentSizeInvalid) { |
| 280 | WriteInvalidVarintAtOffset(1, 2); |
| 281 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 282 | bool failed = false; |
| 283 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 284 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 285 | failed = true; |
| 286 | // It should fail after decoding the source segment size |
| 287 | EXPECT_GE(delta_file_header_.size() + 6, i); |
| 288 | break; |
| 289 | } |
| 290 | } |
| 291 | EXPECT_TRUE(failed); |
| 292 | EXPECT_EQ("", output_); |
| 293 | } |
| 294 | |
| 295 | TEST_F(VCDiffStandardDecoderTestByteByByte, |
| 296 | SourceSegmentEndExceedsDictionarySize) { |
| 297 | ++delta_file_[delta_file_header_.size() + 3]; // increment start pos |
| 298 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 299 | bool failed = false; |
| 300 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 301 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 302 | failed = true; |
| 303 | // It should fail after decoding the source segment end |
| 304 | EXPECT_EQ(delta_file_header_.size() + 3, i); |
| 305 | break; |
| 306 | } |
| 307 | } |
| 308 | EXPECT_TRUE(failed); |
| 309 | EXPECT_EQ("", output_); |
| 310 | } |
| 311 | |
| 312 | TEST_F(VCDiffStandardDecoderTestByteByByte, SourceSegmentPosMaxInt) { |
| 313 | WriteMaxVarintAtOffset(3, 1); |
| 314 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 315 | bool failed = false; |
| 316 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 317 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 318 | failed = true; |
| 319 | // It should fail after decoding the source segment pos |
| 320 | EXPECT_EQ(delta_file_header_.size() + 7, i); |
| 321 | break; |
| 322 | } |
| 323 | } |
| 324 | EXPECT_TRUE(failed); |
| 325 | EXPECT_EQ("", output_); |
| 326 | } |
| 327 | |
| 328 | TEST_F(VCDiffStandardDecoderTestByteByByte, SourceSegmentPosNegative) { |
| 329 | WriteNegativeVarintAtOffset(3, 1); |
| 330 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 331 | bool failed = false; |
| 332 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 333 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 334 | failed = true; |
| 335 | // It should fail after decoding the source segment pos |
openvcdiff@gmail.com | f1dd933 | 2009-10-09 22:40:32 +0000 | [diff] [blame] | 336 | EXPECT_EQ(delta_file_header_.size() + 6, i); |
openvcdiff | 311c714 | 2008-08-26 19:29:25 +0000 | [diff] [blame] | 337 | break; |
| 338 | } |
| 339 | } |
| 340 | EXPECT_TRUE(failed); |
| 341 | EXPECT_EQ("", output_); |
| 342 | } |
| 343 | |
| 344 | TEST_F(VCDiffStandardDecoderTestByteByByte, SourceSegmentPosInvalid) { |
| 345 | WriteInvalidVarintAtOffset(3, 1); |
| 346 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 347 | bool failed = false; |
| 348 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 349 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 350 | failed = true; |
| 351 | // It should fail after decoding the source segment pos |
| 352 | EXPECT_GE(delta_file_header_.size() + 8, i); |
| 353 | break; |
| 354 | } |
| 355 | } |
| 356 | EXPECT_TRUE(failed); |
| 357 | EXPECT_EQ("", output_); |
| 358 | } |
| 359 | |
| 360 | TEST_F(VCDiffStandardDecoderTestByteByByte, DeltaEncodingLengthZero) { |
| 361 | delta_file_[delta_file_header_.size() + 4] = 0; |
| 362 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 363 | bool failed = false; |
| 364 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 365 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 366 | failed = true; |
| 367 | // It should fail after decoding the copy address segment size |
| 368 | EXPECT_EQ(delta_file_header_.size() + 10, i); |
| 369 | break; |
| 370 | } |
| 371 | } |
| 372 | EXPECT_TRUE(failed); |
| 373 | EXPECT_EQ("", output_); |
| 374 | } |
| 375 | |
| 376 | TEST_F(VCDiffStandardDecoderTestByteByByte, DeltaEncodingLengthTooLargeByOne) { |
| 377 | ++delta_file_[delta_file_header_.size() + 4]; |
| 378 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 379 | bool failed = false; |
| 380 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 381 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 382 | failed = true; |
| 383 | // It should fail after decoding the copy address segment size |
| 384 | EXPECT_EQ(delta_file_header_.size() + 10, i); |
| 385 | break; |
| 386 | } |
| 387 | } |
| 388 | EXPECT_TRUE(failed); |
| 389 | EXPECT_EQ("", output_); |
| 390 | } |
| 391 | |
| 392 | TEST_F(VCDiffStandardDecoderTestByteByByte, DeltaEncodingLengthTooSmallByOne) { |
| 393 | --delta_file_[delta_file_header_.size() + 4]; |
| 394 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 395 | bool failed = false; |
| 396 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 397 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 398 | failed = true; |
| 399 | // It should fail after decoding the copy address segment size |
| 400 | EXPECT_EQ(delta_file_header_.size() + 10, i); |
| 401 | break; |
| 402 | } |
| 403 | } |
| 404 | EXPECT_TRUE(failed); |
| 405 | EXPECT_EQ("", output_); |
| 406 | } |
| 407 | |
| 408 | TEST_F(VCDiffStandardDecoderTestByteByByte, DeltaEncodingLengthMaxInt) { |
| 409 | WriteMaxVarintAtOffset(4, 1); |
| 410 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 411 | bool failed = false; |
| 412 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 413 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 414 | failed = true; |
| 415 | // It should fail before finishing the window header |
| 416 | EXPECT_GE(delta_file_header_.size() + delta_window_header_.size() + 4, |
| 417 | i); |
| 418 | break; |
| 419 | } |
| 420 | } |
| 421 | EXPECT_TRUE(failed); |
| 422 | EXPECT_EQ("", output_); |
| 423 | } |
| 424 | |
| 425 | TEST_F(VCDiffStandardDecoderTestByteByByte, DeltaEncodingLengthNegative) { |
| 426 | WriteNegativeVarintAtOffset(4, 1); |
| 427 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 428 | bool failed = false; |
| 429 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 430 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 431 | failed = true; |
| 432 | // It should fail after decoding the delta encoding length |
openvcdiff@gmail.com | f1dd933 | 2009-10-09 22:40:32 +0000 | [diff] [blame] | 433 | EXPECT_EQ(delta_file_header_.size() + 7, i); |
openvcdiff | 311c714 | 2008-08-26 19:29:25 +0000 | [diff] [blame] | 434 | break; |
| 435 | } |
| 436 | } |
| 437 | EXPECT_TRUE(failed); |
| 438 | EXPECT_EQ("", output_); |
| 439 | } |
| 440 | |
| 441 | TEST_F(VCDiffStandardDecoderTestByteByByte, DeltaEncodingLengthInvalid) { |
| 442 | WriteInvalidVarintAtOffset(4, 1); |
| 443 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 444 | bool failed = false; |
| 445 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 446 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 447 | failed = true; |
| 448 | // It should fail after decoding the delta encoding length |
| 449 | EXPECT_GE(delta_file_header_.size() + 9, i); |
| 450 | break; |
| 451 | } |
| 452 | } |
| 453 | EXPECT_TRUE(failed); |
| 454 | EXPECT_EQ("", output_); |
| 455 | } |
| 456 | |
| 457 | TEST_F(VCDiffStandardDecoderTestByteByByte, TargetWindowSizeZero) { |
| 458 | static const char zero_size[] = { 0x00 }; |
| 459 | delta_file_.replace(delta_file_header_.size() + 5, 2, zero_size, 1); |
| 460 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 461 | bool failed = false; |
| 462 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 463 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 464 | failed = true; |
| 465 | break; |
| 466 | } |
| 467 | } |
| 468 | EXPECT_TRUE(failed); |
| 469 | EXPECT_EQ("", output_); |
| 470 | } |
| 471 | |
| 472 | TEST_F(VCDiffStandardDecoderTestByteByByte, TargetWindowSizeTooLargeByOne) { |
| 473 | ++delta_file_[delta_file_header_.size() + 6]; |
| 474 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 475 | bool failed = false; |
| 476 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 477 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 478 | failed = true; |
| 479 | break; |
| 480 | } |
| 481 | } |
| 482 | EXPECT_TRUE(failed); |
| 483 | // The decoder should not create more target bytes than were expected. |
| 484 | EXPECT_GE(expected_target_.size(), output_.size()); |
| 485 | } |
| 486 | |
| 487 | TEST_F(VCDiffStandardDecoderTestByteByByte, TargetWindowSizeTooSmallByOne) { |
| 488 | --delta_file_[delta_file_header_.size() + 6]; |
| 489 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 490 | bool failed = false; |
| 491 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 492 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 493 | failed = true; |
| 494 | break; |
| 495 | } |
| 496 | } |
| 497 | EXPECT_TRUE(failed); |
| 498 | // The decoder should not create more target bytes than were expected. |
| 499 | EXPECT_GE(expected_target_.size(), output_.size()); |
| 500 | } |
| 501 | |
| 502 | TEST_F(VCDiffStandardDecoderTestByteByByte, TargetWindowSizeMaxInt) { |
| 503 | WriteMaxVarintAtOffset(5, 2); |
| 504 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 505 | bool failed = false; |
| 506 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 507 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 508 | failed = true; |
| 509 | // It should fail after decoding the target window size |
| 510 | EXPECT_EQ(delta_file_header_.size() + 9, i); |
| 511 | break; |
| 512 | } |
| 513 | } |
| 514 | EXPECT_TRUE(failed); |
| 515 | EXPECT_EQ("", output_); |
| 516 | } |
| 517 | |
| 518 | TEST_F(VCDiffStandardDecoderTestByteByByte, TargetWindowSizeNegative) { |
| 519 | WriteNegativeVarintAtOffset(5, 2); |
| 520 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 521 | bool failed = false; |
| 522 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 523 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 524 | failed = true; |
| 525 | // It should fail after decoding the target window size |
openvcdiff@gmail.com | f1dd933 | 2009-10-09 22:40:32 +0000 | [diff] [blame] | 526 | EXPECT_EQ(delta_file_header_.size() + 8, i); |
openvcdiff | 311c714 | 2008-08-26 19:29:25 +0000 | [diff] [blame] | 527 | break; |
| 528 | } |
| 529 | } |
| 530 | EXPECT_TRUE(failed); |
| 531 | EXPECT_EQ("", output_); |
| 532 | } |
| 533 | |
| 534 | TEST_F(VCDiffStandardDecoderTestByteByByte, TargetWindowSizeInvalid) { |
| 535 | WriteInvalidVarintAtOffset(5, 2); |
| 536 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 537 | bool failed = false; |
| 538 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 539 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 540 | failed = true; |
| 541 | // It should fail after decoding the target window size |
| 542 | EXPECT_GE(delta_file_header_.size() + 10, i); |
| 543 | break; |
| 544 | } |
| 545 | } |
| 546 | EXPECT_TRUE(failed); |
| 547 | EXPECT_EQ("", output_); |
| 548 | } |
| 549 | |
| 550 | TEST_F(VCDiffStandardDecoderTestByteByByte, |
| 551 | OkayToSetUpperBitsOfDeltaIndicator) { |
| 552 | delta_file_[delta_file_header_.size() + 7] = 0xF8; |
| 553 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 554 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 555 | EXPECT_TRUE(decoder_.DecodeChunk(&delta_file_[i], 1, &output_)); |
| 556 | } |
| 557 | EXPECT_TRUE(decoder_.FinishDecoding()); |
openvcdiff@gmail.com | 732fff2 | 2010-08-04 18:00:00 +0000 | [diff] [blame] | 558 | EXPECT_EQ(expected_target_.c_str(), output_); |
openvcdiff | 311c714 | 2008-08-26 19:29:25 +0000 | [diff] [blame] | 559 | } |
| 560 | |
| 561 | TEST_F(VCDiffStandardDecoderTestByteByByte, DataCompressionNotSupported) { |
| 562 | delta_file_[delta_file_header_.size() + 7] = 0x01; |
| 563 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 564 | bool failed = false; |
| 565 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 566 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 567 | failed = true; |
| 568 | // It should fail after decoding the delta indicator |
| 569 | EXPECT_EQ(delta_file_header_.size() + 7, i); |
| 570 | break; |
| 571 | } |
| 572 | } |
| 573 | EXPECT_TRUE(failed); |
| 574 | EXPECT_EQ("", output_); |
| 575 | } |
| 576 | |
| 577 | TEST_F(VCDiffStandardDecoderTestByteByByte, |
| 578 | InstructionCompressionNotSupported) { |
| 579 | delta_file_[delta_file_header_.size() + 7] = 0x02; |
| 580 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 581 | bool failed = false; |
| 582 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 583 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 584 | failed = true; |
| 585 | // It should fail after decoding the delta indicator |
| 586 | EXPECT_EQ(delta_file_header_.size() + 7, i); |
| 587 | break; |
| 588 | } |
| 589 | } |
| 590 | EXPECT_TRUE(failed); |
| 591 | EXPECT_EQ("", output_); |
| 592 | } |
| 593 | |
| 594 | TEST_F(VCDiffStandardDecoderTestByteByByte, AddressCompressionNotSupported) { |
| 595 | delta_file_[delta_file_header_.size() + 7] = 0x04; |
| 596 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 597 | bool failed = false; |
| 598 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 599 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 600 | failed = true; |
| 601 | // It should fail after decoding the delta indicator |
| 602 | EXPECT_EQ(delta_file_header_.size() + 7, i); |
| 603 | break; |
| 604 | } |
| 605 | } |
| 606 | EXPECT_TRUE(failed); |
| 607 | EXPECT_EQ("", output_); |
| 608 | } |
| 609 | |
| 610 | TEST_F(VCDiffStandardDecoderTestByteByByte, AddRunDataSizeZero) { |
| 611 | delta_file_[delta_file_header_.size() + 8] = 0; |
| 612 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 613 | bool failed = false; |
| 614 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 615 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 616 | failed = true; |
| 617 | // It should fail after decoding the copy address segment size |
| 618 | EXPECT_EQ(delta_file_header_.size() + 10, i); |
| 619 | break; |
| 620 | } |
| 621 | } |
| 622 | EXPECT_TRUE(failed); |
| 623 | EXPECT_EQ("", output_); |
| 624 | } |
| 625 | |
| 626 | TEST_F(VCDiffStandardDecoderTestByteByByte, AddRunDataSizeTooLargeByOne) { |
| 627 | ++delta_file_[delta_file_header_.size() + 8]; |
| 628 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 629 | bool failed = false; |
| 630 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 631 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 632 | failed = true; |
| 633 | // It should fail after decoding the copy address segment size |
| 634 | EXPECT_EQ(delta_file_header_.size() + 10, i); |
| 635 | break; |
| 636 | } |
| 637 | } |
| 638 | EXPECT_TRUE(failed); |
| 639 | EXPECT_EQ("", output_); |
| 640 | } |
| 641 | |
| 642 | TEST_F(VCDiffStandardDecoderTestByteByByte, AddRunDataSizeTooSmallByOne) { |
| 643 | --delta_file_[delta_file_header_.size() + 8]; |
| 644 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 645 | bool failed = false; |
| 646 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 647 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 648 | failed = true; |
| 649 | // It should fail after decoding the copy address segment size |
| 650 | EXPECT_EQ(delta_file_header_.size() + 10, i); |
| 651 | break; |
| 652 | } |
| 653 | } |
| 654 | EXPECT_TRUE(failed); |
| 655 | EXPECT_EQ("", output_); |
| 656 | } |
| 657 | |
| 658 | TEST_F(VCDiffStandardDecoderTestByteByByte, AddRunDataSizeMaxInt) { |
| 659 | WriteMaxVarintAtOffset(8, 1); |
| 660 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 661 | bool failed = false; |
| 662 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 663 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 664 | failed = true; |
| 665 | // It should fail before finishing the window header |
| 666 | EXPECT_GE(delta_file_header_.size() + delta_window_header_.size() + 4, |
| 667 | i); |
| 668 | break; |
| 669 | } |
| 670 | } |
| 671 | EXPECT_TRUE(failed); |
| 672 | EXPECT_EQ("", output_); |
| 673 | } |
| 674 | |
| 675 | TEST_F(VCDiffStandardDecoderTestByteByByte, AddRunDataSizeNegative) { |
| 676 | WriteNegativeVarintAtOffset(8, 1); |
| 677 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 678 | bool failed = false; |
| 679 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 680 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 681 | failed = true; |
| 682 | // It should fail after decoding the add/run data segment size |
openvcdiff@gmail.com | f1dd933 | 2009-10-09 22:40:32 +0000 | [diff] [blame] | 683 | EXPECT_EQ(delta_file_header_.size() + 11, i); |
openvcdiff | 311c714 | 2008-08-26 19:29:25 +0000 | [diff] [blame] | 684 | break; |
| 685 | } |
| 686 | } |
| 687 | EXPECT_TRUE(failed); |
| 688 | EXPECT_EQ("", output_); |
| 689 | } |
| 690 | |
| 691 | TEST_F(VCDiffStandardDecoderTestByteByByte, AddRunDataSizeInvalid) { |
| 692 | WriteInvalidVarintAtOffset(8, 1); |
| 693 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 694 | bool failed = false; |
| 695 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 696 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 697 | failed = true; |
| 698 | // It should fail after decoding the add/run data segment size |
| 699 | EXPECT_GE(delta_file_header_.size() + 13, i); |
| 700 | break; |
| 701 | } |
| 702 | } |
| 703 | EXPECT_TRUE(failed); |
| 704 | EXPECT_EQ("", output_); |
| 705 | } |
| 706 | |
| 707 | TEST_F(VCDiffStandardDecoderTestByteByByte, InstructionsSizeZero) { |
| 708 | delta_file_[delta_file_header_.size() + 9] = 0; |
| 709 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 710 | bool failed = false; |
| 711 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 712 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 713 | failed = true; |
| 714 | // It should fail after decoding the copy address segment size |
| 715 | EXPECT_EQ(delta_file_header_.size() + 10, i); |
| 716 | break; |
| 717 | } |
| 718 | } |
| 719 | EXPECT_TRUE(failed); |
| 720 | EXPECT_EQ("", output_); |
| 721 | } |
| 722 | |
| 723 | TEST_F(VCDiffStandardDecoderTestByteByByte, InstructionsSizeTooLargeByOne) { |
| 724 | ++delta_file_[delta_file_header_.size() + 9]; |
| 725 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 726 | bool failed = false; |
| 727 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 728 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 729 | failed = true; |
| 730 | // It should fail after decoding the copy address segment size |
| 731 | EXPECT_EQ(delta_file_header_.size() + 10, i); |
| 732 | break; |
| 733 | } |
| 734 | } |
| 735 | EXPECT_TRUE(failed); |
| 736 | EXPECT_EQ("", output_); |
| 737 | } |
| 738 | |
| 739 | TEST_F(VCDiffStandardDecoderTestByteByByte, InstructionsSizeTooSmallByOne) { |
| 740 | --delta_file_[delta_file_header_.size() + 9]; |
| 741 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 742 | bool failed = false; |
| 743 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 744 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 745 | failed = true; |
| 746 | // It should fail after decoding the copy address segment size |
| 747 | EXPECT_EQ(delta_file_header_.size() + 10, i); |
| 748 | break; |
| 749 | } |
| 750 | } |
| 751 | EXPECT_TRUE(failed); |
| 752 | EXPECT_EQ("", output_); |
| 753 | } |
| 754 | |
| 755 | TEST_F(VCDiffStandardDecoderTestByteByByte, InstructionsSizeMaxInt) { |
| 756 | WriteMaxVarintAtOffset(9, 1); |
| 757 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 758 | bool failed = false; |
| 759 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 760 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 761 | failed = true; |
| 762 | // It should fail before finishing the window header |
| 763 | EXPECT_GE(delta_file_header_.size() + delta_window_header_.size() + 4, |
| 764 | i); |
| 765 | break; |
| 766 | } |
| 767 | } |
| 768 | EXPECT_TRUE(failed); |
| 769 | EXPECT_EQ("", output_); |
| 770 | } |
| 771 | |
| 772 | TEST_F(VCDiffStandardDecoderTestByteByByte, InstructionsSizeNegative) { |
| 773 | WriteNegativeVarintAtOffset(9, 1); |
| 774 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 775 | bool failed = false; |
| 776 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 777 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 778 | failed = true; |
| 779 | // It should fail after decoding the instructions segment size |
openvcdiff@gmail.com | f1dd933 | 2009-10-09 22:40:32 +0000 | [diff] [blame] | 780 | EXPECT_EQ(delta_file_header_.size() + 12, i); |
openvcdiff | 311c714 | 2008-08-26 19:29:25 +0000 | [diff] [blame] | 781 | break; |
| 782 | } |
| 783 | } |
| 784 | EXPECT_TRUE(failed); |
| 785 | EXPECT_EQ("", output_); |
| 786 | } |
| 787 | |
| 788 | TEST_F(VCDiffStandardDecoderTestByteByByte, InstructionsSizeInvalid) { |
| 789 | WriteInvalidVarintAtOffset(9, 1); |
| 790 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 791 | bool failed = false; |
| 792 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 793 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 794 | failed = true; |
| 795 | // It should fail after decoding the instructions segment size |
| 796 | EXPECT_GE(delta_file_header_.size() + 14, i); |
| 797 | break; |
| 798 | } |
| 799 | } |
| 800 | EXPECT_TRUE(failed); |
| 801 | EXPECT_EQ("", output_); |
| 802 | } |
| 803 | |
| 804 | TEST_F(VCDiffStandardDecoderTestByteByByte, CopyAddressSizeZero) { |
| 805 | delta_file_[delta_file_header_.size() + 10] = 0; |
| 806 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 807 | bool failed = false; |
| 808 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 809 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 810 | failed = true; |
| 811 | // It should fail after decoding the copy address segment size |
| 812 | EXPECT_EQ(delta_file_header_.size() + 10, i); |
| 813 | break; |
| 814 | } |
| 815 | } |
| 816 | EXPECT_TRUE(failed); |
| 817 | EXPECT_EQ("", output_); |
| 818 | } |
| 819 | |
| 820 | TEST_F(VCDiffStandardDecoderTestByteByByte, CopyAddressSizeTooLargeByOne) { |
| 821 | ++delta_file_[delta_file_header_.size() + 10]; |
| 822 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 823 | bool failed = false; |
| 824 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 825 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 826 | failed = true; |
| 827 | // It should fail after decoding the copy address segment size |
| 828 | EXPECT_EQ(delta_file_header_.size() + 10, i); |
| 829 | break; |
| 830 | } |
| 831 | } |
| 832 | EXPECT_TRUE(failed); |
| 833 | EXPECT_EQ("", output_); |
| 834 | } |
| 835 | |
| 836 | TEST_F(VCDiffStandardDecoderTestByteByByte, CopyAddressSizeTooSmallByOne) { |
| 837 | --delta_file_[delta_file_header_.size() + 10]; |
| 838 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 839 | bool failed = false; |
| 840 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 841 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 842 | failed = true; |
| 843 | // It should fail after decoding the copy address segment size |
| 844 | EXPECT_EQ(delta_file_header_.size() + 10, i); |
| 845 | break; |
| 846 | } |
| 847 | } |
| 848 | EXPECT_TRUE(failed); |
| 849 | EXPECT_EQ("", output_); |
| 850 | } |
| 851 | |
| 852 | TEST_F(VCDiffStandardDecoderTestByteByByte, CopyAddressSizeMaxInt) { |
| 853 | WriteMaxVarintAtOffset(10, 1); |
| 854 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 855 | bool failed = false; |
| 856 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 857 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 858 | failed = true; |
| 859 | // It should fail after decoding the copy address segment size |
| 860 | EXPECT_EQ(delta_file_header_.size() + 14, i); |
| 861 | break; |
| 862 | } |
| 863 | } |
| 864 | EXPECT_TRUE(failed); |
| 865 | EXPECT_EQ("", output_); |
| 866 | } |
| 867 | |
| 868 | TEST_F(VCDiffStandardDecoderTestByteByByte, CopyAddressSizeNegative) { |
| 869 | WriteNegativeVarintAtOffset(10, 1); |
| 870 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 871 | bool failed = false; |
| 872 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 873 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 874 | failed = true; |
| 875 | // It should fail after decoding the copy address segment size |
openvcdiff@gmail.com | f1dd933 | 2009-10-09 22:40:32 +0000 | [diff] [blame] | 876 | EXPECT_EQ(delta_file_header_.size() + 13, i); |
openvcdiff | 311c714 | 2008-08-26 19:29:25 +0000 | [diff] [blame] | 877 | break; |
| 878 | } |
| 879 | } |
| 880 | EXPECT_TRUE(failed); |
| 881 | EXPECT_EQ("", output_); |
| 882 | } |
| 883 | |
| 884 | TEST_F(VCDiffStandardDecoderTestByteByByte, CopyAddressSizeInvalid) { |
| 885 | WriteInvalidVarintAtOffset(10, 1); |
| 886 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 887 | bool failed = false; |
| 888 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 889 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 890 | failed = true; |
| 891 | // It should fail after decoding the copy address segment size |
| 892 | EXPECT_GE(delta_file_header_.size() + 15, i); |
| 893 | break; |
| 894 | } |
| 895 | } |
| 896 | EXPECT_TRUE(failed); |
| 897 | EXPECT_EQ("", output_); |
| 898 | } |
| 899 | |
| 900 | TEST_F(VCDiffStandardDecoderTestByteByByte, InstructionsEndEarly) { |
| 901 | --delta_file_[delta_file_header_.size() + 9]; |
| 902 | ++delta_file_[delta_file_header_.size() + 10]; |
| 903 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 904 | bool failed = false; |
| 905 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 906 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 907 | failed = true; |
| 908 | break; |
| 909 | } |
| 910 | } |
| 911 | EXPECT_TRUE(failed); |
| 912 | // The decoder should not create more target bytes than were expected. |
| 913 | EXPECT_GE(expected_target_.size(), output_.size()); |
| 914 | } |
| 915 | |
| 916 | // From this point on, the tests should also be run against the interleaved |
| 917 | // format. |
| 918 | |
| 919 | TEST_F(VCDiffStandardDecoderTestByteByByte, CopyMoreThanExpectedTarget) { |
| 920 | delta_file_[delta_file_header_.size() + 0x70] = |
| 921 | FirstByteOfStringLength(kExpectedTarget); |
| 922 | delta_file_[delta_file_header_.size() + 0x71] = |
| 923 | SecondByteOfStringLength(kExpectedTarget) + 1; |
| 924 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 925 | bool failed = false; |
| 926 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 927 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 928 | failed = true; |
| 929 | break; |
| 930 | } |
| 931 | } |
| 932 | EXPECT_TRUE(failed); |
| 933 | // The decoder should not create more target bytes than were expected. |
| 934 | EXPECT_GE(expected_target_.size(), output_.size()); |
| 935 | } |
| 936 | |
| 937 | TEST_F(VCDiffStandardDecoderTestByteByByte, CopySizeZero) { |
| 938 | delta_file_[delta_file_header_.size() + 0x70] = 0; |
| 939 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 940 | bool failed = false; |
| 941 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 942 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 943 | failed = true; |
| 944 | break; |
| 945 | } |
| 946 | } |
| 947 | EXPECT_TRUE(failed); |
| 948 | // The decoder should not create more target bytes than were expected. |
| 949 | EXPECT_GE(expected_target_.size(), output_.size()); |
| 950 | } |
| 951 | |
| 952 | TEST_F(VCDiffStandardDecoderTestByteByByte, CopySizeTooLargeByOne) { |
| 953 | ++delta_file_[delta_file_header_.size() + 0x70]; |
| 954 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 955 | bool failed = false; |
| 956 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 957 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 958 | failed = true; |
| 959 | break; |
| 960 | } |
| 961 | } |
| 962 | EXPECT_TRUE(failed); |
| 963 | // The decoder should not create more target bytes than were expected. |
| 964 | EXPECT_GE(expected_target_.size(), output_.size()); |
| 965 | } |
| 966 | |
| 967 | TEST_F(VCDiffStandardDecoderTestByteByByte, CopySizeTooSmallByOne) { |
| 968 | --delta_file_[delta_file_header_.size() + 0x70]; |
| 969 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 970 | bool failed = false; |
| 971 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 972 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 973 | failed = true; |
| 974 | break; |
| 975 | } |
| 976 | } |
| 977 | EXPECT_TRUE(failed); |
| 978 | // The decoder should not create more target bytes than were expected. |
| 979 | EXPECT_GE(expected_target_.size(), output_.size()); |
| 980 | } |
| 981 | |
| 982 | TEST_F(VCDiffStandardDecoderTestByteByByte, CopySizeMaxInt) { |
| 983 | WriteMaxVarintAtOffset(0x70, 1); |
| 984 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 985 | bool failed = false; |
| 986 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 987 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 988 | failed = true; |
| 989 | break; |
| 990 | } |
| 991 | } |
| 992 | EXPECT_TRUE(failed); |
| 993 | // The decoder should not create more target bytes than were expected. |
| 994 | EXPECT_GE(expected_target_.size(), output_.size()); |
| 995 | } |
| 996 | |
| 997 | TEST_F(VCDiffStandardDecoderTestByteByByte, CopySizeNegative) { |
| 998 | WriteNegativeVarintAtOffset(0x70, 1); |
| 999 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 1000 | bool failed = false; |
| 1001 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 1002 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 1003 | failed = true; |
| 1004 | break; |
| 1005 | } |
| 1006 | } |
| 1007 | EXPECT_TRUE(failed); |
| 1008 | // The decoder should not create more target bytes than were expected. |
| 1009 | EXPECT_GE(expected_target_.size(), output_.size()); |
| 1010 | } |
| 1011 | |
| 1012 | TEST_F(VCDiffStandardDecoderTestByteByByte, CopySizeInvalid) { |
| 1013 | WriteInvalidVarintAtOffset(0x70, 1); |
| 1014 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 1015 | bool failed = false; |
| 1016 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 1017 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 1018 | failed = true; |
| 1019 | break; |
| 1020 | } |
| 1021 | } |
| 1022 | EXPECT_TRUE(failed); |
| 1023 | // The decoder should not create more target bytes than were expected. |
| 1024 | EXPECT_GE(expected_target_.size(), output_.size()); |
| 1025 | } |
| 1026 | |
| 1027 | TEST_F(VCDiffStandardDecoderTestByteByByte, CopyAddressBeyondHereAddress) { |
| 1028 | delta_file_[delta_file_header_.size() + 0x7B] = |
| 1029 | FirstByteOfStringLength(kDictionary); |
| 1030 | delta_file_[delta_file_header_.size() + 0x7C] = |
| 1031 | SecondByteOfStringLength(kDictionary); |
| 1032 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 1033 | bool failed = false; |
| 1034 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 1035 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 1036 | failed = true; |
| 1037 | break; |
| 1038 | } |
| 1039 | } |
| 1040 | EXPECT_TRUE(failed); |
| 1041 | // The decoder should not create more target bytes than were expected. |
| 1042 | EXPECT_GE(expected_target_.size(), output_.size()); |
| 1043 | } |
| 1044 | |
| 1045 | TEST_F(VCDiffStandardDecoderTestByteByByte, CopyAddressMaxInt) { |
| 1046 | WriteMaxVarintAtOffset(0x7B, 1); |
| 1047 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 1048 | bool failed = false; |
| 1049 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 1050 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 1051 | failed = true; |
| 1052 | break; |
| 1053 | } |
| 1054 | } |
| 1055 | EXPECT_TRUE(failed); |
| 1056 | // The decoder should not create more target bytes than were expected. |
| 1057 | EXPECT_GE(expected_target_.size(), output_.size()); |
| 1058 | } |
| 1059 | |
| 1060 | TEST_F(VCDiffStandardDecoderTestByteByByte, CopyAddressNegative) { |
| 1061 | WriteNegativeVarintAtOffset(0x70, 1); |
| 1062 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 1063 | bool failed = false; |
| 1064 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 1065 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 1066 | failed = true; |
| 1067 | break; |
| 1068 | } |
| 1069 | } |
| 1070 | EXPECT_TRUE(failed); |
| 1071 | // The decoder should not create more target bytes than were expected. |
| 1072 | EXPECT_GE(expected_target_.size(), output_.size()); |
| 1073 | } |
| 1074 | |
| 1075 | TEST_F(VCDiffStandardDecoderTestByteByByte, CopyAddressInvalid) { |
| 1076 | WriteInvalidVarintAtOffset(0x70, 1); |
| 1077 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 1078 | bool failed = false; |
| 1079 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 1080 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 1081 | failed = true; |
| 1082 | break; |
| 1083 | } |
| 1084 | } |
| 1085 | EXPECT_TRUE(failed); |
| 1086 | // The decoder should not create more target bytes than were expected. |
| 1087 | EXPECT_GE(expected_target_.size(), output_.size()); |
| 1088 | } |
| 1089 | |
| 1090 | TEST_F(VCDiffStandardDecoderTestByteByByte, AddMoreThanExpectedTarget) { |
| 1091 | delta_file_[delta_file_header_.size() + 0x72] = |
| 1092 | FirstByteOfStringLength(kExpectedTarget); |
| 1093 | delta_file_[delta_file_header_.size() + 0x73] = |
| 1094 | SecondByteOfStringLength(kExpectedTarget) + 1; |
| 1095 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 1096 | bool failed = false; |
| 1097 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 1098 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 1099 | failed = true; |
| 1100 | break; |
| 1101 | } |
| 1102 | } |
| 1103 | EXPECT_TRUE(failed); |
| 1104 | // The decoder should not create more target bytes than were expected. |
| 1105 | EXPECT_GE(expected_target_.size(), output_.size()); |
| 1106 | } |
| 1107 | |
| 1108 | TEST_F(VCDiffStandardDecoderTestByteByByte, AddSizeZero) { |
| 1109 | delta_file_[delta_file_header_.size() + 0x72] = 0; |
| 1110 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 1111 | bool failed = false; |
| 1112 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 1113 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 1114 | failed = true; |
| 1115 | break; |
| 1116 | } |
| 1117 | } |
| 1118 | EXPECT_TRUE(failed); |
| 1119 | // The decoder should not create more target bytes than were expected. |
| 1120 | EXPECT_GE(expected_target_.size(), output_.size()); |
| 1121 | } |
| 1122 | |
| 1123 | TEST_F(VCDiffStandardDecoderTestByteByByte, AddSizeTooLargeByOne) { |
| 1124 | ++delta_file_[delta_file_header_.size() + 0x72]; |
| 1125 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 1126 | bool failed = false; |
| 1127 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 1128 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 1129 | failed = true; |
| 1130 | break; |
| 1131 | } |
| 1132 | } |
| 1133 | EXPECT_TRUE(failed); |
| 1134 | // The decoder should not create more target bytes than were expected. |
| 1135 | EXPECT_GE(expected_target_.size(), output_.size()); |
| 1136 | } |
| 1137 | |
| 1138 | TEST_F(VCDiffStandardDecoderTestByteByByte, AddSizeTooSmallByOne) { |
| 1139 | --delta_file_[delta_file_header_.size() + 0x72]; |
| 1140 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 1141 | bool failed = false; |
| 1142 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 1143 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 1144 | failed = true; |
| 1145 | break; |
| 1146 | } |
| 1147 | } |
| 1148 | EXPECT_TRUE(failed); |
| 1149 | // The decoder should not create more target bytes than were expected. |
| 1150 | EXPECT_GE(expected_target_.size(), output_.size()); |
| 1151 | } |
| 1152 | |
| 1153 | TEST_F(VCDiffStandardDecoderTestByteByByte, AddSizeMaxInt) { |
| 1154 | WriteMaxVarintAtOffset(0x72, 1); |
| 1155 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 1156 | bool failed = false; |
| 1157 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 1158 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 1159 | failed = true; |
| 1160 | break; |
| 1161 | } |
| 1162 | } |
| 1163 | EXPECT_TRUE(failed); |
| 1164 | // The decoder should not create more target bytes than were expected. |
| 1165 | EXPECT_GE(expected_target_.size(), output_.size()); |
| 1166 | } |
| 1167 | |
| 1168 | TEST_F(VCDiffStandardDecoderTestByteByByte, AddSizeNegative) { |
| 1169 | WriteNegativeVarintAtOffset(0x72, 1); |
| 1170 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 1171 | bool failed = false; |
| 1172 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 1173 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 1174 | failed = true; |
| 1175 | break; |
| 1176 | } |
| 1177 | } |
| 1178 | EXPECT_TRUE(failed); |
| 1179 | // The decoder should not create more target bytes than were expected. |
| 1180 | EXPECT_GE(expected_target_.size(), output_.size()); |
| 1181 | } |
| 1182 | |
| 1183 | TEST_F(VCDiffStandardDecoderTestByteByByte, AddSizeInvalid) { |
| 1184 | WriteInvalidVarintAtOffset(0x72, 1); |
| 1185 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 1186 | bool failed = false; |
| 1187 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 1188 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 1189 | failed = true; |
| 1190 | break; |
| 1191 | } |
| 1192 | } |
| 1193 | EXPECT_TRUE(failed); |
| 1194 | // The decoder should not create more target bytes than were expected. |
| 1195 | EXPECT_GE(expected_target_.size(), output_.size()); |
| 1196 | } |
| 1197 | |
| 1198 | TEST_F(VCDiffStandardDecoderTestByteByByte, RunMoreThanExpectedTarget) { |
| 1199 | delta_file_[delta_file_header_.size() + 0x78] = |
| 1200 | FirstByteOfStringLength(kExpectedTarget); |
| 1201 | delta_file_[delta_file_header_.size() + 0x79] = |
| 1202 | SecondByteOfStringLength(kExpectedTarget) + 1; |
| 1203 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 1204 | bool failed = false; |
| 1205 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 1206 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 1207 | failed = true; |
| 1208 | break; |
| 1209 | } |
| 1210 | } |
| 1211 | EXPECT_TRUE(failed); |
| 1212 | // The decoder should not create more target bytes than were expected. |
| 1213 | EXPECT_GE(expected_target_.size(), output_.size()); |
| 1214 | } |
| 1215 | |
| 1216 | TEST_F(VCDiffStandardDecoderTestByteByByte, RunSizeZero) { |
| 1217 | delta_file_[delta_file_header_.size() + 0x78] = 0; |
| 1218 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 1219 | bool failed = false; |
| 1220 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 1221 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 1222 | failed = true; |
| 1223 | break; |
| 1224 | } |
| 1225 | } |
| 1226 | EXPECT_TRUE(failed); |
| 1227 | // The decoder should not create more target bytes than were expected. |
| 1228 | EXPECT_GE(expected_target_.size(), output_.size()); |
| 1229 | } |
| 1230 | |
| 1231 | TEST_F(VCDiffStandardDecoderTestByteByByte, RunSizeTooLargeByOne) { |
| 1232 | ++delta_file_[delta_file_header_.size() + 0x78]; |
| 1233 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 1234 | bool failed = false; |
| 1235 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 1236 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 1237 | failed = true; |
| 1238 | break; |
| 1239 | } |
| 1240 | } |
| 1241 | EXPECT_TRUE(failed); |
| 1242 | // The decoder should not create more target bytes than were expected. |
| 1243 | EXPECT_GE(expected_target_.size(), output_.size()); |
| 1244 | } |
| 1245 | |
| 1246 | TEST_F(VCDiffStandardDecoderTestByteByByte, RunSizeTooSmallByOne) { |
| 1247 | --delta_file_[delta_file_header_.size() + 0x78]; |
| 1248 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 1249 | bool failed = false; |
| 1250 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 1251 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 1252 | failed = true; |
| 1253 | break; |
| 1254 | } |
| 1255 | } |
| 1256 | EXPECT_TRUE(failed); |
| 1257 | // The decoder should not create more target bytes than were expected. |
| 1258 | EXPECT_GE(expected_target_.size(), output_.size()); |
| 1259 | } |
| 1260 | |
| 1261 | TEST_F(VCDiffStandardDecoderTestByteByByte, RunSizeMaxInt) { |
| 1262 | WriteMaxVarintAtOffset(0x78, 1); |
| 1263 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 1264 | bool failed = false; |
| 1265 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 1266 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 1267 | failed = true; |
| 1268 | break; |
| 1269 | } |
| 1270 | } |
| 1271 | EXPECT_TRUE(failed); |
| 1272 | // The decoder should not create more target bytes than were expected. |
| 1273 | EXPECT_GE(expected_target_.size(), output_.size()); |
| 1274 | } |
| 1275 | |
| 1276 | TEST_F(VCDiffStandardDecoderTestByteByByte, RunSizeNegative) { |
| 1277 | WriteNegativeVarintAtOffset(0x78, 1); |
| 1278 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 1279 | bool failed = false; |
| 1280 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 1281 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 1282 | failed = true; |
| 1283 | break; |
| 1284 | } |
| 1285 | } |
| 1286 | EXPECT_TRUE(failed); |
| 1287 | // The decoder should not create more target bytes than were expected. |
| 1288 | EXPECT_GE(expected_target_.size(), output_.size()); |
| 1289 | } |
| 1290 | |
| 1291 | TEST_F(VCDiffStandardDecoderTestByteByByte, RunSizeInvalid) { |
| 1292 | WriteInvalidVarintAtOffset(0x78, 1); |
| 1293 | decoder_.StartDecoding(dictionary_.data(), dictionary_.size()); |
| 1294 | bool failed = false; |
| 1295 | for (size_t i = 0; i < delta_file_.size(); ++i) { |
| 1296 | if (!decoder_.DecodeChunk(&delta_file_[i], 1, &output_)) { |
| 1297 | failed = true; |
| 1298 | break; |
| 1299 | } |
| 1300 | } |
| 1301 | EXPECT_TRUE(failed); |
| 1302 | // The decoder should not create more target bytes than were expected. |
| 1303 | EXPECT_GE(expected_target_.size(), output_.size()); |
| 1304 | } |
| 1305 | |
| 1306 | } // namespace open_vcdiff |