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| 1 // Protocol Buffers - Google's data interchange format | |
| 2 // Copyright 2008 Google Inc. All rights reserved. | |
| 3 // https://developers.google.com/protocol-buffers/ | |
| 4 // | |
| 5 // Redistribution and use in source and binary forms, with or without | |
| 6 // modification, are permitted provided that the following conditions are | |
| 7 // met: | |
| 8 // | |
| 9 // * Redistributions of source code must retain the above copyright | |
| 10 // notice, this list of conditions and the following disclaimer. | |
| 11 // * Redistributions in binary form must reproduce the above | |
| 12 // copyright notice, this list of conditions and the following disclaimer | |
| 13 // in the documentation and/or other materials provided with the | |
| 14 // distribution. | |
| 15 // * Neither the name of Google Inc. nor the names of its | |
| 16 // contributors may be used to endorse or promote products derived from | |
| 17 // this software without specific prior written permission. | |
| 18 // | |
| 19 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 20 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 21 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 22 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 23 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 24 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 25 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 26 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 27 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 28 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 29 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 30 | |
| 31 #import "GPBTestUtilities.h" | |
| 32 | |
| 33 #import "GPBCodedOutputStream.h" | |
| 34 #import "GPBCodedInputStream.h" | |
| 35 #import "GPBUtilities_PackagePrivate.h" | |
| 36 #import "google/protobuf/Unittest.pbobjc.h" | |
| 37 | |
| 38 @interface CodedOutputStreamTests : GPBTestCase | |
| 39 @end | |
| 40 | |
| 41 @implementation CodedOutputStreamTests | |
| 42 | |
| 43 - (NSData*)bytes_with_sentinel:(int32_t)unused, ... { | |
| 44 va_list list; | |
| 45 va_start(list, unused); | |
| 46 | |
| 47 NSMutableData* values = [NSMutableData dataWithCapacity:0]; | |
| 48 int32_t i; | |
| 49 | |
| 50 while ((i = va_arg(list, int32_t)) != 256) { | |
| 51 NSAssert(i >= 0 && i < 256, @""); | |
| 52 uint8_t u = (uint8_t)i; | |
| 53 [values appendBytes:&u length:1]; | |
| 54 } | |
| 55 | |
| 56 va_end(list); | |
| 57 | |
| 58 return values; | |
| 59 } | |
| 60 | |
| 61 #define bytes(...) [self bytes_with_sentinel:0, __VA_ARGS__, 256] | |
| 62 | |
| 63 - (void)assertWriteLittleEndian32:(NSData*)data value:(int32_t)value { | |
| 64 NSOutputStream* rawOutput = [NSOutputStream outputStreamToMemory]; | |
| 65 GPBCodedOutputStream* output = | |
| 66 [GPBCodedOutputStream streamWithOutputStream:rawOutput]; | |
| 67 [output writeRawLittleEndian32:(int32_t)value]; | |
| 68 [output flush]; | |
| 69 | |
| 70 NSData* actual = | |
| 71 [rawOutput propertyForKey:NSStreamDataWrittenToMemoryStreamKey]; | |
| 72 XCTAssertEqualObjects(data, actual); | |
| 73 | |
| 74 // Try different block sizes. | |
| 75 for (int blockSize = 1; blockSize <= 16; blockSize *= 2) { | |
| 76 rawOutput = [NSOutputStream outputStreamToMemory]; | |
| 77 output = [GPBCodedOutputStream streamWithOutputStream:rawOutput | |
| 78 bufferSize:blockSize]; | |
| 79 [output writeRawLittleEndian32:(int32_t)value]; | |
| 80 [output flush]; | |
| 81 | |
| 82 actual = [rawOutput propertyForKey:NSStreamDataWrittenToMemoryStreamKey]; | |
| 83 XCTAssertEqualObjects(data, actual); | |
| 84 } | |
| 85 } | |
| 86 | |
| 87 - (void)assertWriteLittleEndian64:(NSData*)data value:(int64_t)value { | |
| 88 NSOutputStream* rawOutput = [NSOutputStream outputStreamToMemory]; | |
| 89 GPBCodedOutputStream* output = | |
| 90 [GPBCodedOutputStream streamWithOutputStream:rawOutput]; | |
| 91 [output writeRawLittleEndian64:value]; | |
| 92 [output flush]; | |
| 93 | |
| 94 NSData* actual = | |
| 95 [rawOutput propertyForKey:NSStreamDataWrittenToMemoryStreamKey]; | |
| 96 XCTAssertEqualObjects(data, actual); | |
| 97 | |
| 98 // Try different block sizes. | |
| 99 for (int blockSize = 1; blockSize <= 16; blockSize *= 2) { | |
| 100 rawOutput = [NSOutputStream outputStreamToMemory]; | |
| 101 output = [GPBCodedOutputStream streamWithOutputStream:rawOutput | |
| 102 bufferSize:blockSize]; | |
| 103 [output writeRawLittleEndian64:value]; | |
| 104 [output flush]; | |
| 105 | |
| 106 actual = [rawOutput propertyForKey:NSStreamDataWrittenToMemoryStreamKey]; | |
| 107 XCTAssertEqualObjects(data, actual); | |
| 108 } | |
| 109 } | |
| 110 | |
| 111 - (void)assertWriteVarint:(NSData*)data value:(int64_t)value { | |
| 112 // Only do 32-bit write if the value fits in 32 bits. | |
| 113 if (GPBLogicalRightShift64(value, 32) == 0) { | |
| 114 NSOutputStream* rawOutput = [NSOutputStream outputStreamToMemory]; | |
| 115 GPBCodedOutputStream* output = | |
| 116 [GPBCodedOutputStream streamWithOutputStream:rawOutput]; | |
| 117 [output writeRawVarint32:(int32_t)value]; | |
| 118 [output flush]; | |
| 119 | |
| 120 NSData* actual = | |
| 121 [rawOutput propertyForKey:NSStreamDataWrittenToMemoryStreamKey]; | |
| 122 XCTAssertEqualObjects(data, actual); | |
| 123 | |
| 124 // Also try computing size. | |
| 125 XCTAssertEqual(GPBComputeRawVarint32Size((int32_t)value), | |
| 126 (size_t)data.length); | |
| 127 } | |
| 128 | |
| 129 { | |
| 130 NSOutputStream* rawOutput = [NSOutputStream outputStreamToMemory]; | |
| 131 GPBCodedOutputStream* output = | |
| 132 [GPBCodedOutputStream streamWithOutputStream:rawOutput]; | |
| 133 [output writeRawVarint64:value]; | |
| 134 [output flush]; | |
| 135 | |
| 136 NSData* actual = | |
| 137 [rawOutput propertyForKey:NSStreamDataWrittenToMemoryStreamKey]; | |
| 138 XCTAssertEqualObjects(data, actual); | |
| 139 | |
| 140 // Also try computing size. | |
| 141 XCTAssertEqual(GPBComputeRawVarint64Size(value), (size_t)data.length); | |
| 142 } | |
| 143 | |
| 144 // Try different block sizes. | |
| 145 for (int blockSize = 1; blockSize <= 16; blockSize *= 2) { | |
| 146 // Only do 32-bit write if the value fits in 32 bits. | |
| 147 if (GPBLogicalRightShift64(value, 32) == 0) { | |
| 148 NSOutputStream* rawOutput = [NSOutputStream outputStreamToMemory]; | |
| 149 GPBCodedOutputStream* output = | |
| 150 [GPBCodedOutputStream streamWithOutputStream:rawOutput | |
| 151 bufferSize:blockSize]; | |
| 152 | |
| 153 [output writeRawVarint32:(int32_t)value]; | |
| 154 [output flush]; | |
| 155 | |
| 156 NSData* actual = | |
| 157 [rawOutput propertyForKey:NSStreamDataWrittenToMemoryStreamKey]; | |
| 158 XCTAssertEqualObjects(data, actual); | |
| 159 } | |
| 160 | |
| 161 { | |
| 162 NSOutputStream* rawOutput = [NSOutputStream outputStreamToMemory]; | |
| 163 GPBCodedOutputStream* output = | |
| 164 [GPBCodedOutputStream streamWithOutputStream:rawOutput | |
| 165 bufferSize:blockSize]; | |
| 166 | |
| 167 [output writeRawVarint64:value]; | |
| 168 [output flush]; | |
| 169 | |
| 170 NSData* actual = | |
| 171 [rawOutput propertyForKey:NSStreamDataWrittenToMemoryStreamKey]; | |
| 172 XCTAssertEqualObjects(data, actual); | |
| 173 } | |
| 174 } | |
| 175 } | |
| 176 | |
| 177 - (void)testWriteVarint1 { | |
| 178 [self assertWriteVarint:bytes(0x00) value:0]; | |
| 179 } | |
| 180 | |
| 181 - (void)testWriteVarint2 { | |
| 182 [self assertWriteVarint:bytes(0x01) value:1]; | |
| 183 } | |
| 184 | |
| 185 - (void)testWriteVarint3 { | |
| 186 [self assertWriteVarint:bytes(0x7f) value:127]; | |
| 187 } | |
| 188 | |
| 189 - (void)testWriteVarint4 { | |
| 190 // 14882 | |
| 191 [self assertWriteVarint:bytes(0xa2, 0x74) value:(0x22 << 0) | (0x74 << 7)]; | |
| 192 } | |
| 193 | |
| 194 - (void)testWriteVarint5 { | |
| 195 // 2961488830 | |
| 196 [self assertWriteVarint:bytes(0xbe, 0xf7, 0x92, 0x84, 0x0b) | |
| 197 value:(0x3e << 0) | (0x77 << 7) | (0x12 << 14) | | |
| 198 (0x04 << 21) | (0x0bLL << 28)]; | |
| 199 } | |
| 200 | |
| 201 - (void)testWriteVarint6 { | |
| 202 // 64-bit | |
| 203 // 7256456126 | |
| 204 [self assertWriteVarint:bytes(0xbe, 0xf7, 0x92, 0x84, 0x1b) | |
| 205 value:(0x3e << 0) | (0x77 << 7) | (0x12 << 14) | | |
| 206 (0x04 << 21) | (0x1bLL << 28)]; | |
| 207 } | |
| 208 | |
| 209 - (void)testWriteVarint7 { | |
| 210 // 41256202580718336 | |
| 211 [self assertWriteVarint:bytes(0x80, 0xe6, 0xeb, 0x9c, 0xc3, 0xc9, 0xa4, 0x49) | |
| 212 value:(0x00 << 0) | (0x66 << 7) | (0x6b << 14) | | |
| 213 (0x1c << 21) | (0x43LL << 28) | (0x49LL << 35) | | |
| 214 (0x24LL << 42) | (0x49LL << 49)]; | |
| 215 } | |
| 216 | |
| 217 - (void)testWriteVarint8 { | |
| 218 // 11964378330978735131 | |
| 219 [self assertWriteVarint:bytes(0x9b, 0xa8, 0xf9, 0xc2, 0xbb, 0xd6, 0x80, 0x85, | |
| 220 0xa6, 0x01) | |
| 221 value:(0x1b << 0) | (0x28 << 7) | (0x79 << 14) | | |
| 222 (0x42 << 21) | (0x3bLL << 28) | (0x56LL << 35) | | |
| 223 (0x00LL << 42) | (0x05LL << 49) | (0x26LL << 56) | | |
| 224 (0x01LL << 63)]; | |
| 225 } | |
| 226 | |
| 227 - (void)testWriteLittleEndian { | |
| 228 [self assertWriteLittleEndian32:bytes(0x78, 0x56, 0x34, 0x12) | |
| 229 value:0x12345678]; | |
| 230 [self assertWriteLittleEndian32:bytes(0xf0, 0xde, 0xbc, 0x9a) | |
| 231 value:0x9abcdef0]; | |
| 232 | |
| 233 [self assertWriteLittleEndian64:bytes(0xf0, 0xde, 0xbc, 0x9a, 0x78, 0x56, | |
| 234 0x34, 0x12) | |
| 235 value:0x123456789abcdef0LL]; | |
| 236 [self assertWriteLittleEndian64:bytes(0x78, 0x56, 0x34, 0x12, 0xf0, 0xde, | |
| 237 0xbc, 0x9a) | |
| 238 value:0x9abcdef012345678LL]; | |
| 239 } | |
| 240 | |
| 241 - (void)testEncodeZigZag { | |
| 242 XCTAssertEqual(0U, GPBEncodeZigZag32(0)); | |
| 243 XCTAssertEqual(1U, GPBEncodeZigZag32(-1)); | |
| 244 XCTAssertEqual(2U, GPBEncodeZigZag32(1)); | |
| 245 XCTAssertEqual(3U, GPBEncodeZigZag32(-2)); | |
| 246 XCTAssertEqual(0x7FFFFFFEU, GPBEncodeZigZag32(0x3FFFFFFF)); | |
| 247 XCTAssertEqual(0x7FFFFFFFU, GPBEncodeZigZag32(0xC0000000)); | |
| 248 XCTAssertEqual(0xFFFFFFFEU, GPBEncodeZigZag32(0x7FFFFFFF)); | |
| 249 XCTAssertEqual(0xFFFFFFFFU, GPBEncodeZigZag32(0x80000000)); | |
| 250 | |
| 251 XCTAssertEqual(0ULL, GPBEncodeZigZag64(0)); | |
| 252 XCTAssertEqual(1ULL, GPBEncodeZigZag64(-1)); | |
| 253 XCTAssertEqual(2ULL, GPBEncodeZigZag64(1)); | |
| 254 XCTAssertEqual(3ULL, GPBEncodeZigZag64(-2)); | |
| 255 XCTAssertEqual(0x000000007FFFFFFEULL, | |
| 256 GPBEncodeZigZag64(0x000000003FFFFFFFLL)); | |
| 257 XCTAssertEqual(0x000000007FFFFFFFULL, | |
| 258 GPBEncodeZigZag64(0xFFFFFFFFC0000000LL)); | |
| 259 XCTAssertEqual(0x00000000FFFFFFFEULL, | |
| 260 GPBEncodeZigZag64(0x000000007FFFFFFFLL)); | |
| 261 XCTAssertEqual(0x00000000FFFFFFFFULL, | |
| 262 GPBEncodeZigZag64(0xFFFFFFFF80000000LL)); | |
| 263 XCTAssertEqual(0xFFFFFFFFFFFFFFFEULL, | |
| 264 GPBEncodeZigZag64(0x7FFFFFFFFFFFFFFFLL)); | |
| 265 XCTAssertEqual(0xFFFFFFFFFFFFFFFFULL, | |
| 266 GPBEncodeZigZag64(0x8000000000000000LL)); | |
| 267 | |
| 268 // Some easier-to-verify round-trip tests. The inputs (other than 0, 1, -1) | |
| 269 // were chosen semi-randomly via keyboard bashing. | |
| 270 XCTAssertEqual(0U, GPBEncodeZigZag32(GPBDecodeZigZag32(0))); | |
| 271 XCTAssertEqual(1U, GPBEncodeZigZag32(GPBDecodeZigZag32(1))); | |
| 272 XCTAssertEqual(-1U, GPBEncodeZigZag32(GPBDecodeZigZag32(-1))); | |
| 273 XCTAssertEqual(14927U, GPBEncodeZigZag32(GPBDecodeZigZag32(14927))); | |
| 274 XCTAssertEqual(-3612U, GPBEncodeZigZag32(GPBDecodeZigZag32(-3612))); | |
| 275 | |
| 276 XCTAssertEqual(0ULL, GPBEncodeZigZag64(GPBDecodeZigZag64(0))); | |
| 277 XCTAssertEqual(1ULL, GPBEncodeZigZag64(GPBDecodeZigZag64(1))); | |
| 278 XCTAssertEqual(-1ULL, GPBEncodeZigZag64(GPBDecodeZigZag64(-1))); | |
| 279 XCTAssertEqual(14927ULL, GPBEncodeZigZag64(GPBDecodeZigZag64(14927))); | |
| 280 XCTAssertEqual(-3612ULL, GPBEncodeZigZag64(GPBDecodeZigZag64(-3612))); | |
| 281 | |
| 282 XCTAssertEqual(856912304801416ULL, | |
| 283 GPBEncodeZigZag64(GPBDecodeZigZag64(856912304801416LL))); | |
| 284 XCTAssertEqual(-75123905439571256ULL, | |
| 285 GPBEncodeZigZag64(GPBDecodeZigZag64(-75123905439571256LL))); | |
| 286 } | |
| 287 | |
| 288 - (void)testWriteWholeMessage { | |
| 289 // Not kGPBDefaultRepeatCount because we are comparing to a golden master file | |
| 290 // that was generated with 2. | |
| 291 TestAllTypes* message = [self allSetRepeatedCount:2]; | |
| 292 | |
| 293 NSData* rawBytes = message.data; | |
| 294 NSData* goldenData = | |
| 295 [self getDataFileNamed:@"golden_message" dataToWrite:rawBytes]; | |
| 296 XCTAssertEqualObjects(rawBytes, goldenData); | |
| 297 | |
| 298 // Try different block sizes. | |
| 299 for (int blockSize = 1; blockSize < 256; blockSize *= 2) { | |
| 300 NSOutputStream* rawOutput = [NSOutputStream outputStreamToMemory]; | |
| 301 GPBCodedOutputStream* output = | |
| 302 [GPBCodedOutputStream streamWithOutputStream:rawOutput | |
| 303 bufferSize:blockSize]; | |
| 304 [message writeToCodedOutputStream:output]; | |
| 305 [output flush]; | |
| 306 | |
| 307 NSData* actual = | |
| 308 [rawOutput propertyForKey:NSStreamDataWrittenToMemoryStreamKey]; | |
| 309 XCTAssertEqualObjects(rawBytes, actual); | |
| 310 } | |
| 311 | |
| 312 // Not kGPBDefaultRepeatCount because we are comparing to a golden master file | |
| 313 // that was generated with 2. | |
| 314 TestAllExtensions* extensions = [self allExtensionsSetRepeatedCount:2]; | |
| 315 rawBytes = extensions.data; | |
| 316 goldenData = [self getDataFileNamed:@"golden_packed_fields_message" | |
| 317 dataToWrite:rawBytes]; | |
| 318 XCTAssertEqualObjects(rawBytes, goldenData); | |
| 319 } | |
| 320 | |
| 321 @end | |
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Chromium Code Reviews
Issue 1322483002:
Revert https://codereview.chromium.org/1291903002 (protobuf roll). (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master