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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "net/websockets/websocket_frame.h" | |
| 6 | |
| 7 #include <algorithm> | |
| 8 #include <string> | |
| 9 #include <vector> | |
| 10 | |
| 11 #include "base/basictypes.h" | |
| 12 #include "base/command_line.h" | |
| 13 #include "base/logging.h" | |
| 14 #include "base/memory/aligned_memory.h" | |
| 15 #include "base/strings/string_number_conversions.h" | |
| 16 #include "base/strings/stringprintf.h" | |
| 17 #include "base/time/time.h" | |
| 18 #include "net/base/net_errors.h" | |
| 19 #include "testing/gtest/include/gtest/gtest.h" | |
| 20 | |
| 21 // Run | |
| 22 // out/Release/net_unittests --websocket-mask-iterations=100000 | |
| 23 // --gtest_filter='WebSocketFrameTestMaskBenchmark.*' | |
| 24 // to benchmark the MaskWebSocketFramePayload() function. | |
| 25 static const char kBenchmarkIterations[] = "websocket-mask-iterations"; | |
| 26 static const int kDefaultIterations = 10; | |
| 27 static const int kLongPayloadSize = 1 << 16; | |
| 28 | |
| 29 namespace net { | |
| 30 | |
| 31 TEST(WebSocketFrameHeaderTest, FrameLengths) { | |
| 32 struct TestCase { | |
| 33 const char* frame_header; | |
| 34 size_t frame_header_length; | |
| 35 uint64 frame_length; | |
| 36 }; | |
| 37 static const TestCase kTests[] = { | |
| 38 { "\x81\x00", 2, GG_UINT64_C(0) }, | |
| 39 { "\x81\x7D", 2, GG_UINT64_C(125) }, | |
| 40 { "\x81\x7E\x00\x7E", 4, GG_UINT64_C(126) }, | |
| 41 { "\x81\x7E\xFF\xFF", 4, GG_UINT64_C(0xFFFF) }, | |
| 42 { "\x81\x7F\x00\x00\x00\x00\x00\x01\x00\x00", 10, GG_UINT64_C(0x10000) }, | |
| 43 { "\x81\x7F\x7F\xFF\xFF\xFF\xFF\xFF\xFF\xFF", 10, | |
| 44 GG_UINT64_C(0x7FFFFFFFFFFFFFFF) } | |
| 45 }; | |
| 46 static const int kNumTests = ARRAYSIZE_UNSAFE(kTests); | |
| 47 | |
| 48 for (int i = 0; i < kNumTests; ++i) { | |
| 49 WebSocketFrameHeader header(WebSocketFrameHeader::kOpCodeText); | |
| 50 header.final = true; | |
| 51 header.payload_length = kTests[i].frame_length; | |
| 52 | |
| 53 std::vector<char> expected_output( | |
| 54 kTests[i].frame_header, | |
| 55 kTests[i].frame_header + kTests[i].frame_header_length); | |
| 56 std::vector<char> output(expected_output.size()); | |
| 57 EXPECT_EQ(static_cast<int>(expected_output.size()), | |
| 58 WriteWebSocketFrameHeader( | |
| 59 header, NULL, &output.front(), output.size())); | |
| 60 EXPECT_EQ(expected_output, output); | |
| 61 } | |
| 62 } | |
| 63 | |
| 64 TEST(WebSocketFrameHeaderTest, FrameLengthsWithMasking) { | |
| 65 static const char kMaskingKey[] = "\xDE\xAD\xBE\xEF"; | |
| 66 COMPILE_ASSERT(ARRAYSIZE_UNSAFE(kMaskingKey) - 1 == | |
| 67 WebSocketFrameHeader::kMaskingKeyLength, | |
| 68 incorrect_masking_key_size); | |
| 69 | |
| 70 struct TestCase { | |
| 71 const char* frame_header; | |
| 72 size_t frame_header_length; | |
| 73 uint64 frame_length; | |
| 74 }; | |
| 75 static const TestCase kTests[] = { | |
| 76 { "\x81\x80\xDE\xAD\xBE\xEF", 6, GG_UINT64_C(0) }, | |
| 77 { "\x81\xFD\xDE\xAD\xBE\xEF", 6, GG_UINT64_C(125) }, | |
| 78 { "\x81\xFE\x00\x7E\xDE\xAD\xBE\xEF", 8, GG_UINT64_C(126) }, | |
| 79 { "\x81\xFE\xFF\xFF\xDE\xAD\xBE\xEF", 8, GG_UINT64_C(0xFFFF) }, | |
| 80 { "\x81\xFF\x00\x00\x00\x00\x00\x01\x00\x00\xDE\xAD\xBE\xEF", 14, | |
| 81 GG_UINT64_C(0x10000) }, | |
| 82 { "\x81\xFF\x7F\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xDE\xAD\xBE\xEF", 14, | |
| 83 GG_UINT64_C(0x7FFFFFFFFFFFFFFF) } | |
| 84 }; | |
| 85 static const int kNumTests = ARRAYSIZE_UNSAFE(kTests); | |
| 86 | |
| 87 WebSocketMaskingKey masking_key; | |
| 88 std::copy(kMaskingKey, | |
| 89 kMaskingKey + WebSocketFrameHeader::kMaskingKeyLength, | |
| 90 masking_key.key); | |
| 91 | |
| 92 for (int i = 0; i < kNumTests; ++i) { | |
| 93 WebSocketFrameHeader header(WebSocketFrameHeader::kOpCodeText); | |
| 94 header.final = true; | |
| 95 header.masked = true; | |
| 96 header.payload_length = kTests[i].frame_length; | |
| 97 | |
| 98 std::vector<char> expected_output( | |
| 99 kTests[i].frame_header, | |
| 100 kTests[i].frame_header + kTests[i].frame_header_length); | |
| 101 std::vector<char> output(expected_output.size()); | |
| 102 EXPECT_EQ(static_cast<int>(expected_output.size()), | |
| 103 WriteWebSocketFrameHeader( | |
| 104 header, &masking_key, &output.front(), output.size())); | |
| 105 EXPECT_EQ(expected_output, output); | |
| 106 } | |
| 107 } | |
| 108 | |
| 109 TEST(WebSocketFrameHeaderTest, FrameOpCodes) { | |
| 110 struct TestCase { | |
| 111 const char* frame_header; | |
| 112 size_t frame_header_length; | |
| 113 WebSocketFrameHeader::OpCode opcode; | |
| 114 }; | |
| 115 static const TestCase kTests[] = { | |
| 116 { "\x80\x00", 2, WebSocketFrameHeader::kOpCodeContinuation }, | |
| 117 { "\x81\x00", 2, WebSocketFrameHeader::kOpCodeText }, | |
| 118 { "\x82\x00", 2, WebSocketFrameHeader::kOpCodeBinary }, | |
| 119 { "\x88\x00", 2, WebSocketFrameHeader::kOpCodeClose }, | |
| 120 { "\x89\x00", 2, WebSocketFrameHeader::kOpCodePing }, | |
| 121 { "\x8A\x00", 2, WebSocketFrameHeader::kOpCodePong }, | |
| 122 // These are undefined opcodes, but the builder should accept them anyway. | |
| 123 { "\x83\x00", 2, 0x3 }, | |
| 124 { "\x84\x00", 2, 0x4 }, | |
| 125 { "\x85\x00", 2, 0x5 }, | |
| 126 { "\x86\x00", 2, 0x6 }, | |
| 127 { "\x87\x00", 2, 0x7 }, | |
| 128 { "\x8B\x00", 2, 0xB }, | |
| 129 { "\x8C\x00", 2, 0xC }, | |
| 130 { "\x8D\x00", 2, 0xD }, | |
| 131 { "\x8E\x00", 2, 0xE }, | |
| 132 { "\x8F\x00", 2, 0xF } | |
| 133 }; | |
| 134 static const int kNumTests = ARRAYSIZE_UNSAFE(kTests); | |
| 135 | |
| 136 for (int i = 0; i < kNumTests; ++i) { | |
| 137 WebSocketFrameHeader header(kTests[i].opcode); | |
| 138 header.final = true; | |
| 139 header.payload_length = 0; | |
| 140 | |
| 141 std::vector<char> expected_output( | |
| 142 kTests[i].frame_header, | |
| 143 kTests[i].frame_header + kTests[i].frame_header_length); | |
| 144 std::vector<char> output(expected_output.size()); | |
| 145 EXPECT_EQ(static_cast<int>(expected_output.size()), | |
| 146 WriteWebSocketFrameHeader( | |
| 147 header, NULL, &output.front(), output.size())); | |
| 148 EXPECT_EQ(expected_output, output); | |
| 149 } | |
| 150 } | |
| 151 | |
| 152 TEST(WebSocketFrameHeaderTest, FinalBitAndReservedBits) { | |
| 153 struct TestCase { | |
| 154 const char* frame_header; | |
| 155 size_t frame_header_length; | |
| 156 bool final; | |
| 157 bool reserved1; | |
| 158 bool reserved2; | |
| 159 bool reserved3; | |
| 160 }; | |
| 161 static const TestCase kTests[] = { | |
| 162 { "\x81\x00", 2, true, false, false, false }, | |
| 163 { "\x01\x00", 2, false, false, false, false }, | |
| 164 { "\xC1\x00", 2, true, true, false, false }, | |
| 165 { "\xA1\x00", 2, true, false, true, false }, | |
| 166 { "\x91\x00", 2, true, false, false, true }, | |
| 167 { "\x71\x00", 2, false, true, true, true }, | |
| 168 { "\xF1\x00", 2, true, true, true, true } | |
| 169 }; | |
| 170 static const int kNumTests = ARRAYSIZE_UNSAFE(kTests); | |
| 171 | |
| 172 for (int i = 0; i < kNumTests; ++i) { | |
| 173 WebSocketFrameHeader header(WebSocketFrameHeader::kOpCodeText); | |
| 174 header.final = kTests[i].final; | |
| 175 header.reserved1 = kTests[i].reserved1; | |
| 176 header.reserved2 = kTests[i].reserved2; | |
| 177 header.reserved3 = kTests[i].reserved3; | |
| 178 header.payload_length = 0; | |
| 179 | |
| 180 std::vector<char> expected_output( | |
| 181 kTests[i].frame_header, | |
| 182 kTests[i].frame_header + kTests[i].frame_header_length); | |
| 183 std::vector<char> output(expected_output.size()); | |
| 184 EXPECT_EQ(static_cast<int>(expected_output.size()), | |
| 185 WriteWebSocketFrameHeader( | |
| 186 header, NULL, &output.front(), output.size())); | |
| 187 EXPECT_EQ(expected_output, output); | |
| 188 } | |
| 189 } | |
| 190 | |
| 191 TEST(WebSocketFrameHeaderTest, InsufficientBufferSize) { | |
| 192 struct TestCase { | |
| 193 uint64 payload_length; | |
| 194 bool masked; | |
| 195 size_t expected_header_size; | |
| 196 }; | |
| 197 static const TestCase kTests[] = { | |
| 198 { GG_UINT64_C(0), false, 2u }, | |
| 199 { GG_UINT64_C(125), false, 2u }, | |
| 200 { GG_UINT64_C(126), false, 4u }, | |
| 201 { GG_UINT64_C(0xFFFF), false, 4u }, | |
| 202 { GG_UINT64_C(0x10000), false, 10u }, | |
| 203 { GG_UINT64_C(0x7FFFFFFFFFFFFFFF), false, 10u }, | |
| 204 { GG_UINT64_C(0), true, 6u }, | |
| 205 { GG_UINT64_C(125), true, 6u }, | |
| 206 { GG_UINT64_C(126), true, 8u }, | |
| 207 { GG_UINT64_C(0xFFFF), true, 8u }, | |
| 208 { GG_UINT64_C(0x10000), true, 14u }, | |
| 209 { GG_UINT64_C(0x7FFFFFFFFFFFFFFF), true, 14u } | |
| 210 }; | |
| 211 static const int kNumTests = ARRAYSIZE_UNSAFE(kTests); | |
| 212 | |
| 213 for (int i = 0; i < kNumTests; ++i) { | |
| 214 WebSocketFrameHeader header(WebSocketFrameHeader::kOpCodeText); | |
| 215 header.final = true; | |
| 216 header.opcode = WebSocketFrameHeader::kOpCodeText; | |
| 217 header.masked = kTests[i].masked; | |
| 218 header.payload_length = kTests[i].payload_length; | |
| 219 | |
| 220 char dummy_buffer[14]; | |
| 221 // Set an insufficient size to |buffer_size|. | |
| 222 EXPECT_EQ( | |
| 223 ERR_INVALID_ARGUMENT, | |
| 224 WriteWebSocketFrameHeader( | |
| 225 header, NULL, dummy_buffer, kTests[i].expected_header_size - 1)); | |
| 226 } | |
| 227 } | |
| 228 | |
| 229 TEST(WebSocketFrameTest, MaskPayload) { | |
| 230 struct TestCase { | |
| 231 const char* masking_key; | |
| 232 uint64 frame_offset; | |
| 233 const char* input; | |
| 234 const char* output; | |
| 235 size_t data_length; | |
| 236 }; | |
| 237 static const TestCase kTests[] = { | |
| 238 { "\xDE\xAD\xBE\xEF", 0, "FooBar", "\x98\xC2\xD1\xAD\xBF\xDF", 6 }, | |
| 239 { "\xDE\xAD\xBE\xEF", 1, "FooBar", "\xEB\xD1\x80\x9C\xCC\xCC", 6 }, | |
| 240 { "\xDE\xAD\xBE\xEF", 2, "FooBar", "\xF8\x80\xB1\xEF\xDF\x9D", 6 }, | |
| 241 { "\xDE\xAD\xBE\xEF", 3, "FooBar", "\xA9\xB1\xC2\xFC\x8E\xAC", 6 }, | |
| 242 { "\xDE\xAD\xBE\xEF", 4, "FooBar", "\x98\xC2\xD1\xAD\xBF\xDF", 6 }, | |
| 243 { "\xDE\xAD\xBE\xEF", 42, "FooBar", "\xF8\x80\xB1\xEF\xDF\x9D", 6 }, | |
| 244 { "\xDE\xAD\xBE\xEF", 0, "", "", 0 }, | |
| 245 { "\xDE\xAD\xBE\xEF", 0, "\xDE\xAD\xBE\xEF", "\x00\x00\x00\x00", 4 }, | |
| 246 { "\xDE\xAD\xBE\xEF", 0, "\x00\x00\x00\x00", "\xDE\xAD\xBE\xEF", 4 }, | |
| 247 { "\x00\x00\x00\x00", 0, "FooBar", "FooBar", 6 }, | |
| 248 { "\xFF\xFF\xFF\xFF", 0, "FooBar", "\xB9\x90\x90\xBD\x9E\x8D", 6 }, | |
| 249 }; | |
| 250 static const int kNumTests = ARRAYSIZE_UNSAFE(kTests); | |
| 251 | |
| 252 for (int i = 0; i < kNumTests; ++i) { | |
| 253 WebSocketMaskingKey masking_key; | |
| 254 std::copy(kTests[i].masking_key, | |
| 255 kTests[i].masking_key + WebSocketFrameHeader::kMaskingKeyLength, | |
| 256 masking_key.key); | |
| 257 std::vector<char> frame_data(kTests[i].input, | |
| 258 kTests[i].input + kTests[i].data_length); | |
| 259 std::vector<char> expected_output(kTests[i].output, | |
| 260 kTests[i].output + kTests[i].data_length); | |
| 261 MaskWebSocketFramePayload(masking_key, | |
| 262 kTests[i].frame_offset, | |
| 263 frame_data.empty() ? NULL : &frame_data.front(), | |
| 264 frame_data.size()); | |
| 265 EXPECT_EQ(expected_output, frame_data); | |
| 266 } | |
| 267 } | |
| 268 | |
| 269 // Check that all combinations of alignment, frame offset and chunk size work | |
| 270 // correctly for MaskWebSocketFramePayload(). This is mainly used to ensure that | |
| 271 // vectorisation optimisations don't break anything. We could take a "white box" | |
| 272 // approach and only test the edge cases, but since the exhaustive "black box" | |
| 273 // approach runs in acceptable time, we don't have to take the risk of being | |
| 274 // clever. | |
| 275 // | |
| 276 // This brute-force approach runs in O(N^3) time where N is the size of the | |
| 277 // maximum vector size we want to test again. This might need reconsidering if | |
| 278 // MaskWebSocketFramePayload() is ever optimised for a dedicated vector | |
| 279 // architecture. | |
| 280 TEST(WebSocketFrameTest, MaskPayloadAlignment) { | |
| 281 // This reflects what might be implemented in the future, rather than | |
| 282 // the current implementation. FMA3 and FMA4 support 256-bit vector ops. | |
| 283 static const size_t kMaxVectorSizeInBits = 256; | |
| 284 static const size_t kMaxVectorSize = kMaxVectorSizeInBits / 8; | |
| 285 static const size_t kMaxVectorAlignment = kMaxVectorSize; | |
| 286 static const size_t kMaskingKeyLength = | |
| 287 WebSocketFrameHeader::kMaskingKeyLength; | |
| 288 static const size_t kScratchBufferSize = | |
| 289 kMaxVectorAlignment + kMaxVectorSize * 2; | |
| 290 static const char kTestMask[] = "\xd2\xba\x5a\xbe"; | |
| 291 // We use 786 bits of random input to reduce the risk of correlated errors. | |
| 292 static const char kTestInput[] = { | |
| 293 "\x3d\x77\x1d\x1b\x19\x8c\x48\xa3\x19\x6d\xf7\xcc\x39\xe7\x57\x0b" | |
| 294 "\x69\x8c\xda\x4b\xfc\xac\x2c\xd3\x49\x96\x6e\x8a\x7b\x5a\x32\x76" | |
| 295 "\xd0\x11\x43\xa0\x89\xfc\x76\x2b\x10\x2f\x4c\x7b\x4f\xa6\xdd\xe4" | |
| 296 "\xfc\x8e\xd8\x72\xcf\x7e\x37\xcd\x31\xcd\xc1\xc0\x89\x0c\xa7\x4c" | |
| 297 "\xda\xa8\x4b\x75\xa1\xcb\xa9\x77\x19\x4d\x6e\xdf\xc8\x08\x1c\xb6" | |
| 298 "\x6d\xfb\x38\x04\x44\xd5\xba\x57\x9f\x76\xb0\x2e\x07\x91\xe6\xa8" | |
| 299 }; | |
| 300 static const size_t kTestInputSize = arraysize(kTestInput) - 1; | |
| 301 static const char kTestOutput[] = { | |
| 302 "\xef\xcd\x47\xa5\xcb\x36\x12\x1d\xcb\xd7\xad\x72\xeb\x5d\x0d\xb5" | |
| 303 "\xbb\x36\x80\xf5\x2e\x16\x76\x6d\x9b\x2c\x34\x34\xa9\xe0\x68\xc8" | |
| 304 "\x02\xab\x19\x1e\x5b\x46\x2c\x95\xc2\x95\x16\xc5\x9d\x1c\x87\x5a" | |
| 305 "\x2e\x34\x82\xcc\x1d\xc4\x6d\x73\xe3\x77\x9b\x7e\x5b\xb6\xfd\xf2" | |
| 306 "\x08\x12\x11\xcb\x73\x71\xf3\xc9\xcb\xf7\x34\x61\x1a\xb2\x46\x08" | |
| 307 "\xbf\x41\x62\xba\x96\x6f\xe0\xe9\x4d\xcc\xea\x90\xd5\x2b\xbc\x16" | |
| 308 }; | |
| 309 COMPILE_ASSERT(arraysize(kTestInput) == arraysize(kTestOutput), | |
| 310 output_and_input_arrays_have_the_same_length); | |
| 311 scoped_ptr_malloc<char, base::ScopedPtrAlignedFree> scratch( | |
| 312 static_cast<char*>( | |
| 313 base::AlignedAlloc(kScratchBufferSize, kMaxVectorAlignment))); | |
| 314 WebSocketMaskingKey masking_key; | |
| 315 std::copy(kTestMask, kTestMask + kMaskingKeyLength, masking_key.key); | |
| 316 for (size_t frame_offset = 0; frame_offset < kMaskingKeyLength; | |
| 317 ++frame_offset) { | |
| 318 for (size_t alignment = 0; alignment < kMaxVectorAlignment; ++alignment) { | |
| 319 char* const aligned_scratch = scratch.get() + alignment; | |
| 320 const size_t aligned_len = std::min(kScratchBufferSize - alignment, | |
| 321 kTestInputSize - frame_offset); | |
| 322 for (size_t chunk_size = 1; chunk_size < kMaxVectorSize; ++chunk_size) { | |
| 323 memcpy(aligned_scratch, kTestInput + frame_offset, aligned_len); | |
| 324 for (size_t chunk_start = 0; chunk_start < aligned_len; | |
| 325 chunk_start += chunk_size) { | |
| 326 const size_t this_chunk_size = | |
| 327 std::min(chunk_size, aligned_len - chunk_start); | |
| 328 MaskWebSocketFramePayload(masking_key, | |
| 329 frame_offset + chunk_start, | |
| 330 aligned_scratch + chunk_start, | |
| 331 this_chunk_size); | |
| 332 } | |
| 333 // Stop the test if it fails, since we don't want to spew thousands of | |
| 334 // failures. | |
| 335 ASSERT_TRUE(std::equal(aligned_scratch, | |
| 336 aligned_scratch + aligned_len, | |
| 337 kTestOutput + frame_offset)) | |
| 338 << "Output failed to match for frame_offset=" << frame_offset | |
| 339 << ", alignment=" << alignment << ", chunk_size=" << chunk_size; | |
| 340 } | |
| 341 } | |
| 342 } | |
| 343 } | |
| 344 | |
| 345 class WebSocketFrameTestMaskBenchmark : public testing::Test { | |
| 346 public: | |
| 347 WebSocketFrameTestMaskBenchmark() : iterations_(kDefaultIterations) {} | |
| 348 | |
| 349 virtual void SetUp() { | |
| 350 std::string iterations( | |
| 351 CommandLine::ForCurrentProcess()->GetSwitchValueASCII( | |
| 352 kBenchmarkIterations)); | |
| 353 int benchmark_iterations = 0; | |
| 354 if (!iterations.empty() && | |
| 355 base::StringToInt(iterations, &benchmark_iterations)) { | |
| 356 iterations_ = benchmark_iterations; | |
| 357 } | |
| 358 } | |
| 359 | |
| 360 void Benchmark(const char* const payload, size_t size) { | |
| 361 std::vector<char> scratch(payload, payload + size); | |
| 362 static const char kMaskingKey[] = "\xFE\xED\xBE\xEF"; | |
| 363 COMPILE_ASSERT( | |
| 364 arraysize(kMaskingKey) == WebSocketFrameHeader::kMaskingKeyLength + 1, | |
| 365 incorrect_masking_key_size); | |
| 366 WebSocketMaskingKey masking_key; | |
| 367 std::copy(kMaskingKey, | |
| 368 kMaskingKey + WebSocketFrameHeader::kMaskingKeyLength, | |
| 369 masking_key.key); | |
| 370 LOG(INFO) << "Benchmarking MaskWebSocketFramePayload() for " << iterations_ | |
| 371 << " iterations"; | |
| 372 using base::TimeTicks; | |
| 373 TimeTicks start = TimeTicks::HighResNow(); | |
| 374 for (int x = 0; x < iterations_; ++x) { | |
| 375 MaskWebSocketFramePayload( | |
| 376 masking_key, x % size, &scratch.front(), scratch.size()); | |
| 377 } | |
| 378 double total_time_ms = | |
| 379 1000 * (TimeTicks::HighResNow() - start).InMillisecondsF() / | |
| 380 iterations_; | |
| 381 LOG(INFO) << "Payload size " << size | |
| 382 << base::StringPrintf(" took %.03f microseconds per iteration", | |
| 383 total_time_ms); | |
| 384 } | |
| 385 | |
| 386 private: | |
| 387 int iterations_; | |
| 388 | |
| 389 DISALLOW_COPY_AND_ASSIGN(WebSocketFrameTestMaskBenchmark); | |
| 390 }; | |
| 391 | |
| 392 TEST_F(WebSocketFrameTestMaskBenchmark, BenchmarkMaskShortPayload) { | |
| 393 static const char kShortPayload[] = "Short Payload"; | |
| 394 Benchmark(kShortPayload, arraysize(kShortPayload)); | |
| 395 } | |
| 396 | |
| 397 TEST_F(WebSocketFrameTestMaskBenchmark, BenchmarkMaskLongPayload) { | |
| 398 scoped_ptr<char[]> payload(new char[kLongPayloadSize]); | |
| 399 std::fill(payload.get(), payload.get() + kLongPayloadSize, 'a'); | |
| 400 Benchmark(payload.get(), kLongPayloadSize); | |
| 401 } | |
| 402 | |
| 403 // "IsKnownDataOpCode" is currently implemented in an "obviously correct" | |
| 404 // manner, but we test is anyway in case it changes to a more complex | |
| 405 // implementation in future. | |
| 406 TEST(WebSocketFrameHeaderTest, IsKnownDataOpCode) { | |
| 407 // Make the test less verbose. | |
| 408 typedef WebSocketFrameHeader Frame; | |
| 409 | |
| 410 // Known opcode, is used for data frames | |
| 411 EXPECT_TRUE(Frame::IsKnownDataOpCode(Frame::kOpCodeContinuation)); | |
| 412 EXPECT_TRUE(Frame::IsKnownDataOpCode(Frame::kOpCodeText)); | |
| 413 EXPECT_TRUE(Frame::IsKnownDataOpCode(Frame::kOpCodeBinary)); | |
| 414 | |
| 415 // Known opcode, is used for control frames | |
| 416 EXPECT_FALSE(Frame::IsKnownDataOpCode(Frame::kOpCodeClose)); | |
| 417 EXPECT_FALSE(Frame::IsKnownDataOpCode(Frame::kOpCodePing)); | |
| 418 EXPECT_FALSE(Frame::IsKnownDataOpCode(Frame::kOpCodePong)); | |
| 419 | |
| 420 // Check that unused opcodes return false | |
| 421 EXPECT_FALSE(Frame::IsKnownDataOpCode(Frame::kOpCodeDataUnused)); | |
| 422 EXPECT_FALSE(Frame::IsKnownDataOpCode(Frame::kOpCodeControlUnused)); | |
| 423 | |
| 424 // Check that opcodes with the 4 bit set return false | |
| 425 EXPECT_FALSE(Frame::IsKnownDataOpCode(0x6)); | |
| 426 EXPECT_FALSE(Frame::IsKnownDataOpCode(0xF)); | |
| 427 | |
| 428 // Check that out-of-range opcodes return false | |
| 429 EXPECT_FALSE(Frame::IsKnownDataOpCode(-1)); | |
| 430 EXPECT_FALSE(Frame::IsKnownDataOpCode(0xFF)); | |
| 431 } | |
| 432 | |
| 433 // "IsKnownControlOpCode" is implemented in an "obviously correct" manner but | |
| 434 // might be optimised in future. | |
| 435 TEST(WebSocketFrameHeaderTest, IsKnownControlOpCode) { | |
| 436 // Make the test less verbose. | |
| 437 typedef WebSocketFrameHeader Frame; | |
| 438 | |
| 439 // Known opcode, is used for data frames | |
| 440 EXPECT_FALSE(Frame::IsKnownControlOpCode(Frame::kOpCodeContinuation)); | |
| 441 EXPECT_FALSE(Frame::IsKnownControlOpCode(Frame::kOpCodeText)); | |
| 442 EXPECT_FALSE(Frame::IsKnownControlOpCode(Frame::kOpCodeBinary)); | |
| 443 | |
| 444 // Known opcode, is used for control frames | |
| 445 EXPECT_TRUE(Frame::IsKnownControlOpCode(Frame::kOpCodeClose)); | |
| 446 EXPECT_TRUE(Frame::IsKnownControlOpCode(Frame::kOpCodePing)); | |
| 447 EXPECT_TRUE(Frame::IsKnownControlOpCode(Frame::kOpCodePong)); | |
| 448 | |
| 449 // Check that unused opcodes return false | |
| 450 EXPECT_FALSE(Frame::IsKnownControlOpCode(Frame::kOpCodeDataUnused)); | |
| 451 EXPECT_FALSE(Frame::IsKnownControlOpCode(Frame::kOpCodeControlUnused)); | |
| 452 | |
| 453 // Check that opcodes with the 4 bit set return false | |
| 454 EXPECT_FALSE(Frame::IsKnownControlOpCode(0x6)); | |
| 455 EXPECT_FALSE(Frame::IsKnownControlOpCode(0xF)); | |
| 456 | |
| 457 // Check that out-of-range opcodes return false | |
| 458 EXPECT_FALSE(Frame::IsKnownControlOpCode(-1)); | |
| 459 EXPECT_FALSE(Frame::IsKnownControlOpCode(0xFF)); | |
| 460 } | |
| 461 | |
| 462 } // namespace net | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 23614009:
Rename websockets/*_unittest.cc to *_test.cc (Closed)
Base URL: http://git.chromium.org/chromium/src.git@master