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| 1 // Copyright 2013 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 "mojo/system/core.h" | |
| 6 | |
| 7 #include <stdint.h> | |
| 8 | |
| 9 #include <limits> | |
| 10 | |
| 11 #include "base/threading/platform_thread.h" | |
| 12 #include "base/time/time.h" | |
| 13 #include "mojo/system/core_test_base.h" | |
| 14 | |
| 15 namespace mojo { | |
| 16 namespace system { | |
| 17 namespace { | |
| 18 | |
| 19 const MojoHandleSignalsState kEmptyMojoHandleSignalsState = {0u, 0u}; | |
| 20 const MojoHandleSignalsState kFullMojoHandleSignalsState = {~0u, ~0u}; | |
| 21 | |
| 22 typedef test::CoreTestBase CoreTest; | |
| 23 | |
| 24 TEST_F(CoreTest, GetTimeTicksNow) { | |
| 25 const MojoTimeTicks start = core()->GetTimeTicksNow(); | |
| 26 EXPECT_NE(static_cast<MojoTimeTicks>(0), start) | |
| 27 << "GetTimeTicksNow should return nonzero value"; | |
| 28 base::PlatformThread::Sleep(base::TimeDelta::FromMilliseconds(15)); | |
| 29 const MojoTimeTicks finish = core()->GetTimeTicksNow(); | |
| 30 // Allow for some fuzz in sleep. | |
| 31 EXPECT_GE((finish - start), static_cast<MojoTimeTicks>(8000)) | |
| 32 << "Sleeping should result in increasing time ticks"; | |
| 33 } | |
| 34 | |
| 35 TEST_F(CoreTest, Basic) { | |
| 36 MockHandleInfo info; | |
| 37 | |
| 38 EXPECT_EQ(0u, info.GetCtorCallCount()); | |
| 39 MojoHandle h = CreateMockHandle(&info); | |
| 40 EXPECT_EQ(1u, info.GetCtorCallCount()); | |
| 41 EXPECT_NE(h, MOJO_HANDLE_INVALID); | |
| 42 | |
| 43 EXPECT_EQ(0u, info.GetWriteMessageCallCount()); | |
| 44 EXPECT_EQ(MOJO_RESULT_OK, | |
| 45 core()->WriteMessage(h, | |
| 46 NullUserPointer(), | |
| 47 0, | |
| 48 NullUserPointer(), | |
| 49 0, | |
| 50 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 51 EXPECT_EQ(1u, info.GetWriteMessageCallCount()); | |
| 52 | |
| 53 EXPECT_EQ(0u, info.GetReadMessageCallCount()); | |
| 54 uint32_t num_bytes = 0; | |
| 55 EXPECT_EQ(MOJO_RESULT_OK, | |
| 56 core()->ReadMessage(h, | |
| 57 NullUserPointer(), | |
| 58 MakeUserPointer(&num_bytes), | |
| 59 NullUserPointer(), | |
| 60 NullUserPointer(), | |
| 61 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 62 EXPECT_EQ(1u, info.GetReadMessageCallCount()); | |
| 63 EXPECT_EQ(MOJO_RESULT_OK, | |
| 64 core()->ReadMessage(h, | |
| 65 NullUserPointer(), | |
| 66 NullUserPointer(), | |
| 67 NullUserPointer(), | |
| 68 NullUserPointer(), | |
| 69 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 70 EXPECT_EQ(2u, info.GetReadMessageCallCount()); | |
| 71 | |
| 72 EXPECT_EQ(0u, info.GetWriteDataCallCount()); | |
| 73 EXPECT_EQ( | |
| 74 MOJO_RESULT_UNIMPLEMENTED, | |
| 75 core()->WriteData( | |
| 76 h, NullUserPointer(), NullUserPointer(), MOJO_WRITE_DATA_FLAG_NONE)); | |
| 77 EXPECT_EQ(1u, info.GetWriteDataCallCount()); | |
| 78 | |
| 79 EXPECT_EQ(0u, info.GetBeginWriteDataCallCount()); | |
| 80 EXPECT_EQ( | |
| 81 MOJO_RESULT_UNIMPLEMENTED, | |
| 82 core()->BeginWriteData( | |
| 83 h, NullUserPointer(), NullUserPointer(), MOJO_WRITE_DATA_FLAG_NONE)); | |
| 84 EXPECT_EQ(1u, info.GetBeginWriteDataCallCount()); | |
| 85 | |
| 86 EXPECT_EQ(0u, info.GetEndWriteDataCallCount()); | |
| 87 EXPECT_EQ(MOJO_RESULT_UNIMPLEMENTED, core()->EndWriteData(h, 0)); | |
| 88 EXPECT_EQ(1u, info.GetEndWriteDataCallCount()); | |
| 89 | |
| 90 EXPECT_EQ(0u, info.GetReadDataCallCount()); | |
| 91 EXPECT_EQ( | |
| 92 MOJO_RESULT_UNIMPLEMENTED, | |
| 93 core()->ReadData( | |
| 94 h, NullUserPointer(), NullUserPointer(), MOJO_READ_DATA_FLAG_NONE)); | |
| 95 EXPECT_EQ(1u, info.GetReadDataCallCount()); | |
| 96 | |
| 97 EXPECT_EQ(0u, info.GetBeginReadDataCallCount()); | |
| 98 EXPECT_EQ( | |
| 99 MOJO_RESULT_UNIMPLEMENTED, | |
| 100 core()->BeginReadData( | |
| 101 h, NullUserPointer(), NullUserPointer(), MOJO_READ_DATA_FLAG_NONE)); | |
| 102 EXPECT_EQ(1u, info.GetBeginReadDataCallCount()); | |
| 103 | |
| 104 EXPECT_EQ(0u, info.GetEndReadDataCallCount()); | |
| 105 EXPECT_EQ(MOJO_RESULT_UNIMPLEMENTED, core()->EndReadData(h, 0)); | |
| 106 EXPECT_EQ(1u, info.GetEndReadDataCallCount()); | |
| 107 | |
| 108 EXPECT_EQ(0u, info.GetAddWaiterCallCount()); | |
| 109 EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION, | |
| 110 core()->Wait(h, | |
| 111 ~MOJO_HANDLE_SIGNAL_NONE, | |
| 112 MOJO_DEADLINE_INDEFINITE, | |
| 113 NullUserPointer())); | |
| 114 EXPECT_EQ(1u, info.GetAddWaiterCallCount()); | |
| 115 EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION, | |
| 116 core()->Wait(h, ~MOJO_HANDLE_SIGNAL_NONE, 0, NullUserPointer())); | |
| 117 EXPECT_EQ(2u, info.GetAddWaiterCallCount()); | |
| 118 MojoHandleSignalsState hss = kFullMojoHandleSignalsState; | |
| 119 EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION, | |
| 120 core()->Wait(h, | |
| 121 ~MOJO_HANDLE_SIGNAL_NONE, | |
| 122 MOJO_DEADLINE_INDEFINITE, | |
| 123 MakeUserPointer(&hss))); | |
| 124 EXPECT_EQ(3u, info.GetAddWaiterCallCount()); | |
| 125 EXPECT_EQ(0u, hss.satisfied_signals); | |
| 126 EXPECT_EQ(0u, hss.satisfiable_signals); | |
| 127 EXPECT_EQ( | |
| 128 MOJO_RESULT_FAILED_PRECONDITION, | |
| 129 core()->Wait(h, ~MOJO_HANDLE_SIGNAL_NONE, 10 * 1000, NullUserPointer())); | |
| 130 EXPECT_EQ(4u, info.GetAddWaiterCallCount()); | |
| 131 hss = kFullMojoHandleSignalsState; | |
| 132 EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION, | |
| 133 core()->Wait( | |
| 134 h, ~MOJO_HANDLE_SIGNAL_NONE, 10 * 1000, MakeUserPointer(&hss))); | |
| 135 EXPECT_EQ(5u, info.GetAddWaiterCallCount()); | |
| 136 EXPECT_EQ(0u, hss.satisfied_signals); | |
| 137 EXPECT_EQ(0u, hss.satisfiable_signals); | |
| 138 | |
| 139 MojoHandleSignals handle_signals = ~MOJO_HANDLE_SIGNAL_NONE; | |
| 140 EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION, | |
| 141 core()->WaitMany(MakeUserPointer(&h), | |
| 142 MakeUserPointer(&handle_signals), | |
| 143 1, | |
| 144 MOJO_DEADLINE_INDEFINITE, | |
| 145 NullUserPointer(), | |
| 146 NullUserPointer())); | |
| 147 EXPECT_EQ(6u, info.GetAddWaiterCallCount()); | |
| 148 uint32_t result_index = static_cast<uint32_t>(-1); | |
| 149 EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION, | |
| 150 core()->WaitMany(MakeUserPointer(&h), | |
| 151 MakeUserPointer(&handle_signals), | |
| 152 1, | |
| 153 MOJO_DEADLINE_INDEFINITE, | |
| 154 MakeUserPointer(&result_index), | |
| 155 NullUserPointer())); | |
| 156 EXPECT_EQ(7u, info.GetAddWaiterCallCount()); | |
| 157 EXPECT_EQ(0u, result_index); | |
| 158 hss = kFullMojoHandleSignalsState; | |
| 159 EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION, | |
| 160 core()->WaitMany(MakeUserPointer(&h), | |
| 161 MakeUserPointer(&handle_signals), | |
| 162 1, | |
| 163 MOJO_DEADLINE_INDEFINITE, | |
| 164 NullUserPointer(), | |
| 165 MakeUserPointer(&hss))); | |
| 166 EXPECT_EQ(8u, info.GetAddWaiterCallCount()); | |
| 167 EXPECT_EQ(0u, hss.satisfied_signals); | |
| 168 EXPECT_EQ(0u, hss.satisfiable_signals); | |
| 169 result_index = static_cast<uint32_t>(-1); | |
| 170 hss = kFullMojoHandleSignalsState; | |
| 171 EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION, | |
| 172 core()->WaitMany(MakeUserPointer(&h), | |
| 173 MakeUserPointer(&handle_signals), | |
| 174 1, | |
| 175 MOJO_DEADLINE_INDEFINITE, | |
| 176 MakeUserPointer(&result_index), | |
| 177 MakeUserPointer(&hss))); | |
| 178 EXPECT_EQ(9u, info.GetAddWaiterCallCount()); | |
| 179 EXPECT_EQ(0u, result_index); | |
| 180 EXPECT_EQ(0u, hss.satisfied_signals); | |
| 181 EXPECT_EQ(0u, hss.satisfiable_signals); | |
| 182 | |
| 183 EXPECT_EQ(0u, info.GetDtorCallCount()); | |
| 184 EXPECT_EQ(0u, info.GetCloseCallCount()); | |
| 185 EXPECT_EQ(0u, info.GetCancelAllWaitersCallCount()); | |
| 186 EXPECT_EQ(MOJO_RESULT_OK, core()->Close(h)); | |
| 187 EXPECT_EQ(1u, info.GetCancelAllWaitersCallCount()); | |
| 188 EXPECT_EQ(1u, info.GetCloseCallCount()); | |
| 189 EXPECT_EQ(1u, info.GetDtorCallCount()); | |
| 190 | |
| 191 // No waiters should ever have ever been added. | |
| 192 EXPECT_EQ(0u, info.GetRemoveWaiterCallCount()); | |
| 193 } | |
| 194 | |
| 195 TEST_F(CoreTest, InvalidArguments) { | |
| 196 // |Close()|: | |
| 197 { | |
| 198 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, core()->Close(MOJO_HANDLE_INVALID)); | |
| 199 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, core()->Close(10)); | |
| 200 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, core()->Close(1000000000)); | |
| 201 | |
| 202 // Test a double-close. | |
| 203 MockHandleInfo info; | |
| 204 MojoHandle h = CreateMockHandle(&info); | |
| 205 EXPECT_EQ(MOJO_RESULT_OK, core()->Close(h)); | |
| 206 EXPECT_EQ(1u, info.GetCloseCallCount()); | |
| 207 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, core()->Close(h)); | |
| 208 EXPECT_EQ(1u, info.GetCloseCallCount()); | |
| 209 } | |
| 210 | |
| 211 // |Wait()|: | |
| 212 { | |
| 213 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, | |
| 214 core()->Wait(MOJO_HANDLE_INVALID, | |
| 215 ~MOJO_HANDLE_SIGNAL_NONE, | |
| 216 MOJO_DEADLINE_INDEFINITE, | |
| 217 NullUserPointer())); | |
| 218 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, | |
| 219 core()->Wait(10, | |
| 220 ~MOJO_HANDLE_SIGNAL_NONE, | |
| 221 MOJO_DEADLINE_INDEFINITE, | |
| 222 NullUserPointer())); | |
| 223 | |
| 224 MojoHandleSignalsState hss = kFullMojoHandleSignalsState; | |
| 225 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, | |
| 226 core()->Wait(MOJO_HANDLE_INVALID, | |
| 227 ~MOJO_HANDLE_SIGNAL_NONE, | |
| 228 MOJO_DEADLINE_INDEFINITE, | |
| 229 MakeUserPointer(&hss))); | |
| 230 // On invalid argument, it shouldn't modify the handle signals state. | |
| 231 EXPECT_EQ(kFullMojoHandleSignalsState.satisfied_signals, | |
| 232 hss.satisfied_signals); | |
| 233 EXPECT_EQ(kFullMojoHandleSignalsState.satisfiable_signals, | |
| 234 hss.satisfiable_signals); | |
| 235 hss = kFullMojoHandleSignalsState; | |
| 236 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, | |
| 237 core()->Wait(10, | |
| 238 ~MOJO_HANDLE_SIGNAL_NONE, | |
| 239 MOJO_DEADLINE_INDEFINITE, | |
| 240 MakeUserPointer(&hss))); | |
| 241 // On invalid argument, it shouldn't modify the handle signals state. | |
| 242 EXPECT_EQ(kFullMojoHandleSignalsState.satisfied_signals, | |
| 243 hss.satisfied_signals); | |
| 244 EXPECT_EQ(kFullMojoHandleSignalsState.satisfiable_signals, | |
| 245 hss.satisfiable_signals); | |
| 246 } | |
| 247 | |
| 248 // |WaitMany()|: | |
| 249 { | |
| 250 MojoHandle handles[2] = {MOJO_HANDLE_INVALID, MOJO_HANDLE_INVALID}; | |
| 251 MojoHandleSignals signals[2] = {~MOJO_HANDLE_SIGNAL_NONE, | |
| 252 ~MOJO_HANDLE_SIGNAL_NONE}; | |
| 253 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, | |
| 254 core()->WaitMany(MakeUserPointer(handles), | |
| 255 MakeUserPointer(signals), | |
| 256 0, | |
| 257 MOJO_DEADLINE_INDEFINITE, | |
| 258 NullUserPointer(), | |
| 259 NullUserPointer())); | |
| 260 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, | |
| 261 core()->WaitMany(NullUserPointer(), | |
| 262 MakeUserPointer(signals), | |
| 263 0, | |
| 264 MOJO_DEADLINE_INDEFINITE, | |
| 265 NullUserPointer(), | |
| 266 NullUserPointer())); | |
| 267 // If |num_handles| is invalid, it should leave |result_index| and | |
| 268 // |signals_states| alone. | |
| 269 // (We use -1 internally; make sure that doesn't leak.) | |
| 270 uint32_t result_index = 123; | |
| 271 MojoHandleSignalsState hss = kFullMojoHandleSignalsState; | |
| 272 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, | |
| 273 core()->WaitMany(NullUserPointer(), | |
| 274 MakeUserPointer(signals), | |
| 275 0, | |
| 276 MOJO_DEADLINE_INDEFINITE, | |
| 277 MakeUserPointer(&result_index), | |
| 278 MakeUserPointer(&hss))); | |
| 279 EXPECT_EQ(123u, result_index); | |
| 280 EXPECT_EQ(kFullMojoHandleSignalsState.satisfied_signals, | |
| 281 hss.satisfied_signals); | |
| 282 EXPECT_EQ(kFullMojoHandleSignalsState.satisfiable_signals, | |
| 283 hss.satisfiable_signals); | |
| 284 | |
| 285 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, | |
| 286 core()->WaitMany(MakeUserPointer(handles), | |
| 287 NullUserPointer(), | |
| 288 0, | |
| 289 MOJO_DEADLINE_INDEFINITE, | |
| 290 NullUserPointer(), | |
| 291 NullUserPointer())); | |
| 292 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, | |
| 293 core()->WaitMany(MakeUserPointer(handles), | |
| 294 MakeUserPointer(signals), | |
| 295 1, | |
| 296 MOJO_DEADLINE_INDEFINITE, | |
| 297 NullUserPointer(), | |
| 298 NullUserPointer())); | |
| 299 // But if a handle is bad, then it should set |result_index| but still leave | |
| 300 // |signals_states| alone. | |
| 301 result_index = static_cast<uint32_t>(-1); | |
| 302 hss = kFullMojoHandleSignalsState; | |
| 303 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, | |
| 304 core()->WaitMany(MakeUserPointer(handles), | |
| 305 MakeUserPointer(signals), | |
| 306 1, | |
| 307 MOJO_DEADLINE_INDEFINITE, | |
| 308 MakeUserPointer(&result_index), | |
| 309 MakeUserPointer(&hss))); | |
| 310 EXPECT_EQ(0u, result_index); | |
| 311 EXPECT_EQ(kFullMojoHandleSignalsState.satisfied_signals, | |
| 312 hss.satisfied_signals); | |
| 313 EXPECT_EQ(kFullMojoHandleSignalsState.satisfiable_signals, | |
| 314 hss.satisfiable_signals); | |
| 315 | |
| 316 MockHandleInfo info[2]; | |
| 317 handles[0] = CreateMockHandle(&info[0]); | |
| 318 | |
| 319 result_index = static_cast<uint32_t>(-1); | |
| 320 hss = kFullMojoHandleSignalsState; | |
| 321 EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION, | |
| 322 core()->WaitMany(MakeUserPointer(handles), | |
| 323 MakeUserPointer(signals), | |
| 324 1, | |
| 325 MOJO_DEADLINE_INDEFINITE, | |
| 326 MakeUserPointer(&result_index), | |
| 327 MakeUserPointer(&hss))); | |
| 328 EXPECT_EQ(0u, result_index); | |
| 329 EXPECT_EQ(0u, hss.satisfied_signals); | |
| 330 EXPECT_EQ(0u, hss.satisfiable_signals); | |
| 331 | |
| 332 // On invalid argument, it'll leave |signals_states| alone. | |
| 333 result_index = static_cast<uint32_t>(-1); | |
| 334 hss = kFullMojoHandleSignalsState; | |
| 335 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, | |
| 336 core()->WaitMany(MakeUserPointer(handles), | |
| 337 MakeUserPointer(signals), | |
| 338 2, | |
| 339 MOJO_DEADLINE_INDEFINITE, | |
| 340 MakeUserPointer(&result_index), | |
| 341 MakeUserPointer(&hss))); | |
| 342 EXPECT_EQ(1u, result_index); | |
| 343 EXPECT_EQ(kFullMojoHandleSignalsState.satisfied_signals, | |
| 344 hss.satisfied_signals); | |
| 345 EXPECT_EQ(kFullMojoHandleSignalsState.satisfiable_signals, | |
| 346 hss.satisfiable_signals); | |
| 347 handles[1] = handles[0] + 1; // Invalid handle. | |
| 348 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, | |
| 349 core()->WaitMany(MakeUserPointer(handles), | |
| 350 MakeUserPointer(signals), | |
| 351 2, | |
| 352 MOJO_DEADLINE_INDEFINITE, | |
| 353 NullUserPointer(), | |
| 354 NullUserPointer())); | |
| 355 handles[1] = CreateMockHandle(&info[1]); | |
| 356 EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION, | |
| 357 core()->WaitMany(MakeUserPointer(handles), | |
| 358 MakeUserPointer(signals), | |
| 359 2, | |
| 360 MOJO_DEADLINE_INDEFINITE, | |
| 361 NullUserPointer(), | |
| 362 NullUserPointer())); | |
| 363 | |
| 364 // TODO(vtl): Test one where we get "failed precondition" only for the | |
| 365 // second handle (and the first one is valid to wait on). | |
| 366 | |
| 367 EXPECT_EQ(MOJO_RESULT_OK, core()->Close(handles[0])); | |
| 368 EXPECT_EQ(MOJO_RESULT_OK, core()->Close(handles[1])); | |
| 369 } | |
| 370 | |
| 371 // |CreateMessagePipe()|: Nothing to check (apart from things that cause | |
| 372 // death). | |
| 373 | |
| 374 // |WriteMessage()|: | |
| 375 // Only check arguments checked by |Core|, namely |handle|, |handles|, and | |
| 376 // |num_handles|. | |
| 377 { | |
| 378 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, | |
| 379 core()->WriteMessage(MOJO_HANDLE_INVALID, | |
| 380 NullUserPointer(), | |
| 381 0, | |
| 382 NullUserPointer(), | |
| 383 0, | |
| 384 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 385 | |
| 386 MockHandleInfo info; | |
| 387 MojoHandle h = CreateMockHandle(&info); | |
| 388 MojoHandle handles[2] = {MOJO_HANDLE_INVALID, MOJO_HANDLE_INVALID}; | |
| 389 | |
| 390 // Huge handle count (implausibly big on some systems -- more than can be | |
| 391 // stored in a 32-bit address space). | |
| 392 // Note: This may return either |MOJO_RESULT_INVALID_ARGUMENT| or | |
| 393 // |MOJO_RESULT_RESOURCE_EXHAUSTED|, depending on whether it's plausible or | |
| 394 // not. | |
| 395 EXPECT_NE(MOJO_RESULT_OK, | |
| 396 core()->WriteMessage(h, | |
| 397 NullUserPointer(), | |
| 398 0, | |
| 399 MakeUserPointer(handles), | |
| 400 std::numeric_limits<uint32_t>::max(), | |
| 401 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 402 EXPECT_EQ(0u, info.GetWriteMessageCallCount()); | |
| 403 | |
| 404 // Huge handle count (plausibly big). | |
| 405 EXPECT_EQ(MOJO_RESULT_RESOURCE_EXHAUSTED, | |
| 406 core()->WriteMessage( | |
| 407 h, | |
| 408 NullUserPointer(), | |
| 409 0, | |
| 410 MakeUserPointer(handles), | |
| 411 std::numeric_limits<uint32_t>::max() / sizeof(handles[0]), | |
| 412 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 413 EXPECT_EQ(0u, info.GetWriteMessageCallCount()); | |
| 414 | |
| 415 // Invalid handle in |handles|. | |
| 416 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, | |
| 417 core()->WriteMessage(h, | |
| 418 NullUserPointer(), | |
| 419 0, | |
| 420 MakeUserPointer(handles), | |
| 421 1, | |
| 422 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 423 EXPECT_EQ(0u, info.GetWriteMessageCallCount()); | |
| 424 | |
| 425 // Two invalid handles in |handles|. | |
| 426 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, | |
| 427 core()->WriteMessage(h, | |
| 428 NullUserPointer(), | |
| 429 0, | |
| 430 MakeUserPointer(handles), | |
| 431 2, | |
| 432 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 433 EXPECT_EQ(0u, info.GetWriteMessageCallCount()); | |
| 434 | |
| 435 // Can't send a handle over itself. | |
| 436 handles[0] = h; | |
| 437 EXPECT_EQ(MOJO_RESULT_BUSY, | |
| 438 core()->WriteMessage(h, | |
| 439 NullUserPointer(), | |
| 440 0, | |
| 441 MakeUserPointer(handles), | |
| 442 1, | |
| 443 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 444 EXPECT_EQ(0u, info.GetWriteMessageCallCount()); | |
| 445 | |
| 446 MockHandleInfo info2; | |
| 447 MojoHandle h2 = CreateMockHandle(&info2); | |
| 448 | |
| 449 // This is "okay", but |MockDispatcher| doesn't implement it. | |
| 450 handles[0] = h2; | |
| 451 EXPECT_EQ(MOJO_RESULT_UNIMPLEMENTED, | |
| 452 core()->WriteMessage(h, | |
| 453 NullUserPointer(), | |
| 454 0, | |
| 455 MakeUserPointer(handles), | |
| 456 1, | |
| 457 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 458 EXPECT_EQ(1u, info.GetWriteMessageCallCount()); | |
| 459 | |
| 460 // One of the |handles| is still invalid. | |
| 461 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, | |
| 462 core()->WriteMessage(h, | |
| 463 NullUserPointer(), | |
| 464 0, | |
| 465 MakeUserPointer(handles), | |
| 466 2, | |
| 467 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 468 EXPECT_EQ(1u, info.GetWriteMessageCallCount()); | |
| 469 | |
| 470 // One of the |handles| is the same as |handle|. | |
| 471 handles[1] = h; | |
| 472 EXPECT_EQ(MOJO_RESULT_BUSY, | |
| 473 core()->WriteMessage(h, | |
| 474 NullUserPointer(), | |
| 475 0, | |
| 476 MakeUserPointer(handles), | |
| 477 2, | |
| 478 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 479 EXPECT_EQ(1u, info.GetWriteMessageCallCount()); | |
| 480 | |
| 481 // Can't send a handle twice in the same message. | |
| 482 handles[1] = h2; | |
| 483 EXPECT_EQ(MOJO_RESULT_BUSY, | |
| 484 core()->WriteMessage(h, | |
| 485 NullUserPointer(), | |
| 486 0, | |
| 487 MakeUserPointer(handles), | |
| 488 2, | |
| 489 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 490 EXPECT_EQ(1u, info.GetWriteMessageCallCount()); | |
| 491 | |
| 492 // Note: Since we never successfully sent anything with it, |h2| should | |
| 493 // still be valid. | |
| 494 EXPECT_EQ(MOJO_RESULT_OK, core()->Close(h2)); | |
| 495 | |
| 496 EXPECT_EQ(MOJO_RESULT_OK, core()->Close(h)); | |
| 497 } | |
| 498 | |
| 499 // |ReadMessage()|: | |
| 500 // Only check arguments checked by |Core|, namely |handle|, |handles|, and | |
| 501 // |num_handles|. | |
| 502 { | |
| 503 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, | |
| 504 core()->ReadMessage(MOJO_HANDLE_INVALID, | |
| 505 NullUserPointer(), | |
| 506 NullUserPointer(), | |
| 507 NullUserPointer(), | |
| 508 NullUserPointer(), | |
| 509 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 510 | |
| 511 MockHandleInfo info; | |
| 512 MojoHandle h = CreateMockHandle(&info); | |
| 513 | |
| 514 // Okay. | |
| 515 uint32_t handle_count = 0; | |
| 516 EXPECT_EQ(MOJO_RESULT_OK, | |
| 517 core()->ReadMessage(h, | |
| 518 NullUserPointer(), | |
| 519 NullUserPointer(), | |
| 520 NullUserPointer(), | |
| 521 MakeUserPointer(&handle_count), | |
| 522 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 523 // Checked by |Core|, shouldn't go through to the dispatcher. | |
| 524 EXPECT_EQ(1u, info.GetReadMessageCallCount()); | |
| 525 | |
| 526 EXPECT_EQ(MOJO_RESULT_OK, core()->Close(h)); | |
| 527 } | |
| 528 } | |
| 529 | |
| 530 // These test invalid arguments that should cause death if we're being paranoid | |
| 531 // about checking arguments (which we would want to do if, e.g., we were in a | |
| 532 // true "kernel" situation, but we might not want to do otherwise for | |
| 533 // performance reasons). Probably blatant errors like passing in null pointers | |
| 534 // (for required pointer arguments) will still cause death, but perhaps not | |
| 535 // predictably. | |
| 536 TEST_F(CoreTest, InvalidArgumentsDeath) { | |
| 537 const char kMemoryCheckFailedRegex[] = "Check failed"; | |
| 538 | |
| 539 // |WaitMany()|: | |
| 540 { | |
| 541 MojoHandle handle = MOJO_HANDLE_INVALID; | |
| 542 MojoHandleSignals signals = ~MOJO_HANDLE_SIGNAL_NONE; | |
| 543 EXPECT_DEATH_IF_SUPPORTED(core()->WaitMany(NullUserPointer(), | |
| 544 MakeUserPointer(&signals), | |
| 545 1, | |
| 546 MOJO_DEADLINE_INDEFINITE, | |
| 547 NullUserPointer(), | |
| 548 NullUserPointer()), | |
| 549 kMemoryCheckFailedRegex); | |
| 550 EXPECT_DEATH_IF_SUPPORTED(core()->WaitMany(MakeUserPointer(&handle), | |
| 551 NullUserPointer(), | |
| 552 1, | |
| 553 MOJO_DEADLINE_INDEFINITE, | |
| 554 NullUserPointer(), | |
| 555 NullUserPointer()), | |
| 556 kMemoryCheckFailedRegex); | |
| 557 // TODO(vtl): |result_index| and |signals_states| are optional. Test them | |
| 558 // with non-null invalid pointers? | |
| 559 } | |
| 560 | |
| 561 // |CreateMessagePipe()|: | |
| 562 { | |
| 563 MojoHandle h; | |
| 564 EXPECT_DEATH_IF_SUPPORTED( | |
| 565 core()->CreateMessagePipe( | |
| 566 NullUserPointer(), NullUserPointer(), NullUserPointer()), | |
| 567 kMemoryCheckFailedRegex); | |
| 568 EXPECT_DEATH_IF_SUPPORTED( | |
| 569 core()->CreateMessagePipe( | |
| 570 NullUserPointer(), MakeUserPointer(&h), NullUserPointer()), | |
| 571 kMemoryCheckFailedRegex); | |
| 572 EXPECT_DEATH_IF_SUPPORTED( | |
| 573 core()->CreateMessagePipe( | |
| 574 NullUserPointer(), NullUserPointer(), MakeUserPointer(&h)), | |
| 575 kMemoryCheckFailedRegex); | |
| 576 } | |
| 577 | |
| 578 // |WriteMessage()|: | |
| 579 // Only check arguments checked by |Core|, namely |handle|, |handles|, and | |
| 580 // |num_handles|. | |
| 581 { | |
| 582 MockHandleInfo info; | |
| 583 MojoHandle h = CreateMockHandle(&info); | |
| 584 | |
| 585 // Null |handles| with nonzero |num_handles|. | |
| 586 EXPECT_DEATH_IF_SUPPORTED( | |
| 587 core()->WriteMessage(h, | |
| 588 NullUserPointer(), | |
| 589 0, | |
| 590 NullUserPointer(), | |
| 591 1, | |
| 592 MOJO_WRITE_MESSAGE_FLAG_NONE), | |
| 593 kMemoryCheckFailedRegex); | |
| 594 | |
| 595 EXPECT_EQ(MOJO_RESULT_OK, core()->Close(h)); | |
| 596 } | |
| 597 | |
| 598 // |ReadMessage()|: | |
| 599 // Only check arguments checked by |Core|, namely |handle|, |handles|, and | |
| 600 // |num_handles|. | |
| 601 { | |
| 602 MockHandleInfo info; | |
| 603 MojoHandle h = CreateMockHandle(&info); | |
| 604 | |
| 605 uint32_t handle_count = 1; | |
| 606 EXPECT_DEATH_IF_SUPPORTED( | |
| 607 core()->ReadMessage(h, | |
| 608 NullUserPointer(), | |
| 609 NullUserPointer(), | |
| 610 NullUserPointer(), | |
| 611 MakeUserPointer(&handle_count), | |
| 612 MOJO_READ_MESSAGE_FLAG_NONE), | |
| 613 kMemoryCheckFailedRegex); | |
| 614 | |
| 615 EXPECT_EQ(MOJO_RESULT_OK, core()->Close(h)); | |
| 616 } | |
| 617 } | |
| 618 | |
| 619 // TODO(vtl): test |Wait()| and |WaitMany()| properly | |
| 620 // - including |WaitMany()| with the same handle more than once (with | |
| 621 // same/different signals) | |
| 622 | |
| 623 TEST_F(CoreTest, MessagePipe) { | |
| 624 MojoHandle h[2]; | |
| 625 MojoHandleSignalsState hss[2]; | |
| 626 uint32_t result_index; | |
| 627 | |
| 628 EXPECT_EQ( | |
| 629 MOJO_RESULT_OK, | |
| 630 core()->CreateMessagePipe( | |
| 631 NullUserPointer(), MakeUserPointer(&h[0]), MakeUserPointer(&h[1]))); | |
| 632 // Should get two distinct, valid handles. | |
| 633 EXPECT_NE(h[0], MOJO_HANDLE_INVALID); | |
| 634 EXPECT_NE(h[1], MOJO_HANDLE_INVALID); | |
| 635 EXPECT_NE(h[0], h[1]); | |
| 636 | |
| 637 // Neither should be readable. | |
| 638 MojoHandleSignals signals[2] = {MOJO_HANDLE_SIGNAL_READABLE, | |
| 639 MOJO_HANDLE_SIGNAL_READABLE}; | |
| 640 result_index = static_cast<uint32_t>(-1); | |
| 641 hss[0] = kEmptyMojoHandleSignalsState; | |
| 642 hss[1] = kEmptyMojoHandleSignalsState; | |
| 643 EXPECT_EQ(MOJO_RESULT_DEADLINE_EXCEEDED, | |
| 644 core()->WaitMany(MakeUserPointer(h), | |
| 645 MakeUserPointer(signals), | |
| 646 2, | |
| 647 0, | |
| 648 MakeUserPointer(&result_index), | |
| 649 MakeUserPointer(hss))); | |
| 650 EXPECT_EQ(static_cast<uint32_t>(-1), result_index); | |
| 651 EXPECT_EQ(MOJO_HANDLE_SIGNAL_WRITABLE, hss[0].satisfied_signals); | |
| 652 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 653 hss[0].satisfiable_signals); | |
| 654 EXPECT_EQ(MOJO_HANDLE_SIGNAL_WRITABLE, hss[1].satisfied_signals); | |
| 655 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 656 hss[1].satisfiable_signals); | |
| 657 | |
| 658 // Try to read anyway. | |
| 659 char buffer[1] = {'a'}; | |
| 660 uint32_t buffer_size = 1; | |
| 661 EXPECT_EQ(MOJO_RESULT_SHOULD_WAIT, | |
| 662 core()->ReadMessage(h[0], | |
| 663 UserPointer<void>(buffer), | |
| 664 MakeUserPointer(&buffer_size), | |
| 665 NullUserPointer(), | |
| 666 NullUserPointer(), | |
| 667 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 668 // Check that it left its inputs alone. | |
| 669 EXPECT_EQ('a', buffer[0]); | |
| 670 EXPECT_EQ(1u, buffer_size); | |
| 671 | |
| 672 // Both should be writable. | |
| 673 hss[0] = kEmptyMojoHandleSignalsState; | |
| 674 EXPECT_EQ(MOJO_RESULT_OK, | |
| 675 core()->Wait(h[0], | |
| 676 MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 677 1000000000, | |
| 678 MakeUserPointer(&hss[0]))); | |
| 679 EXPECT_EQ(MOJO_HANDLE_SIGNAL_WRITABLE, hss[0].satisfied_signals); | |
| 680 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 681 hss[0].satisfiable_signals); | |
| 682 hss[0] = kEmptyMojoHandleSignalsState; | |
| 683 EXPECT_EQ(MOJO_RESULT_OK, | |
| 684 core()->Wait(h[1], | |
| 685 MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 686 1000000000, | |
| 687 MakeUserPointer(&hss[0]))); | |
| 688 EXPECT_EQ(MOJO_HANDLE_SIGNAL_WRITABLE, hss[0].satisfied_signals); | |
| 689 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 690 hss[0].satisfiable_signals); | |
| 691 | |
| 692 // Also check that |h[1]| is writable using |WaitMany()|. | |
| 693 signals[0] = MOJO_HANDLE_SIGNAL_READABLE; | |
| 694 signals[1] = MOJO_HANDLE_SIGNAL_WRITABLE; | |
| 695 result_index = static_cast<uint32_t>(-1); | |
| 696 hss[0] = kEmptyMojoHandleSignalsState; | |
| 697 hss[1] = kEmptyMojoHandleSignalsState; | |
| 698 EXPECT_EQ(MOJO_RESULT_OK, | |
| 699 core()->WaitMany(MakeUserPointer(h), | |
| 700 MakeUserPointer(signals), | |
| 701 2, | |
| 702 MOJO_DEADLINE_INDEFINITE, | |
| 703 MakeUserPointer(&result_index), | |
| 704 MakeUserPointer(hss))); | |
| 705 EXPECT_EQ(1u, result_index); | |
| 706 EXPECT_EQ(MOJO_HANDLE_SIGNAL_WRITABLE, hss[0].satisfied_signals); | |
| 707 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 708 hss[0].satisfiable_signals); | |
| 709 EXPECT_EQ(MOJO_HANDLE_SIGNAL_WRITABLE, hss[1].satisfied_signals); | |
| 710 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 711 hss[1].satisfiable_signals); | |
| 712 | |
| 713 // Write to |h[1]|. | |
| 714 buffer[0] = 'b'; | |
| 715 EXPECT_EQ(MOJO_RESULT_OK, | |
| 716 core()->WriteMessage(h[1], | |
| 717 UserPointer<const void>(buffer), | |
| 718 1, | |
| 719 NullUserPointer(), | |
| 720 0, | |
| 721 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 722 | |
| 723 // Check that |h[0]| is now readable. | |
| 724 signals[0] = MOJO_HANDLE_SIGNAL_READABLE; | |
| 725 signals[1] = MOJO_HANDLE_SIGNAL_READABLE; | |
| 726 result_index = static_cast<uint32_t>(-1); | |
| 727 hss[0] = kEmptyMojoHandleSignalsState; | |
| 728 hss[1] = kEmptyMojoHandleSignalsState; | |
| 729 EXPECT_EQ(MOJO_RESULT_OK, | |
| 730 core()->WaitMany(MakeUserPointer(h), | |
| 731 MakeUserPointer(signals), | |
| 732 2, | |
| 733 MOJO_DEADLINE_INDEFINITE, | |
| 734 MakeUserPointer(&result_index), | |
| 735 MakeUserPointer(hss))); | |
| 736 EXPECT_EQ(0u, result_index); | |
| 737 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 738 hss[0].satisfied_signals); | |
| 739 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 740 hss[0].satisfiable_signals); | |
| 741 EXPECT_EQ(MOJO_HANDLE_SIGNAL_WRITABLE, hss[1].satisfied_signals); | |
| 742 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 743 hss[1].satisfiable_signals); | |
| 744 | |
| 745 // Read from |h[0]|. | |
| 746 // First, get only the size. | |
| 747 buffer_size = 0; | |
| 748 EXPECT_EQ(MOJO_RESULT_RESOURCE_EXHAUSTED, | |
| 749 core()->ReadMessage(h[0], | |
| 750 NullUserPointer(), | |
| 751 MakeUserPointer(&buffer_size), | |
| 752 NullUserPointer(), | |
| 753 NullUserPointer(), | |
| 754 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 755 EXPECT_EQ(1u, buffer_size); | |
| 756 // Then actually read it. | |
| 757 buffer[0] = 'c'; | |
| 758 buffer_size = 1; | |
| 759 EXPECT_EQ(MOJO_RESULT_OK, | |
| 760 core()->ReadMessage(h[0], | |
| 761 UserPointer<void>(buffer), | |
| 762 MakeUserPointer(&buffer_size), | |
| 763 NullUserPointer(), | |
| 764 NullUserPointer(), | |
| 765 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 766 EXPECT_EQ('b', buffer[0]); | |
| 767 EXPECT_EQ(1u, buffer_size); | |
| 768 | |
| 769 // |h[0]| should no longer be readable. | |
| 770 hss[0] = kEmptyMojoHandleSignalsState; | |
| 771 EXPECT_EQ( | |
| 772 MOJO_RESULT_DEADLINE_EXCEEDED, | |
| 773 core()->Wait( | |
| 774 h[0], MOJO_HANDLE_SIGNAL_READABLE, 0, MakeUserPointer(&hss[0]))); | |
| 775 EXPECT_EQ(MOJO_HANDLE_SIGNAL_WRITABLE, hss[0].satisfied_signals); | |
| 776 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 777 hss[0].satisfiable_signals); | |
| 778 | |
| 779 // Write to |h[0]|. | |
| 780 buffer[0] = 'd'; | |
| 781 EXPECT_EQ(MOJO_RESULT_OK, | |
| 782 core()->WriteMessage(h[0], | |
| 783 UserPointer<const void>(buffer), | |
| 784 1, | |
| 785 NullUserPointer(), | |
| 786 0, | |
| 787 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 788 | |
| 789 // Close |h[0]|. | |
| 790 EXPECT_EQ(MOJO_RESULT_OK, core()->Close(h[0])); | |
| 791 | |
| 792 // Check that |h[1]| is no longer writable (and will never be). | |
| 793 hss[0] = kEmptyMojoHandleSignalsState; | |
| 794 EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION, | |
| 795 core()->Wait(h[1], | |
| 796 MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 797 1000000000, | |
| 798 MakeUserPointer(&hss[0]))); | |
| 799 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE, hss[0].satisfied_signals); | |
| 800 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE, hss[0].satisfiable_signals); | |
| 801 | |
| 802 // Check that |h[1]| is still readable (for the moment). | |
| 803 hss[0] = kEmptyMojoHandleSignalsState; | |
| 804 EXPECT_EQ(MOJO_RESULT_OK, | |
| 805 core()->Wait(h[1], | |
| 806 MOJO_HANDLE_SIGNAL_READABLE, | |
| 807 1000000000, | |
| 808 MakeUserPointer(&hss[0]))); | |
| 809 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE, hss[0].satisfied_signals); | |
| 810 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE, hss[0].satisfiable_signals); | |
| 811 | |
| 812 // Discard a message from |h[1]|. | |
| 813 EXPECT_EQ(MOJO_RESULT_RESOURCE_EXHAUSTED, | |
| 814 core()->ReadMessage(h[1], | |
| 815 NullUserPointer(), | |
| 816 NullUserPointer(), | |
| 817 NullUserPointer(), | |
| 818 NullUserPointer(), | |
| 819 MOJO_READ_MESSAGE_FLAG_MAY_DISCARD)); | |
| 820 | |
| 821 // |h[1]| is no longer readable (and will never be). | |
| 822 hss[0] = kFullMojoHandleSignalsState; | |
| 823 EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION, | |
| 824 core()->Wait(h[1], | |
| 825 MOJO_HANDLE_SIGNAL_READABLE, | |
| 826 1000000000, | |
| 827 MakeUserPointer(&hss[0]))); | |
| 828 EXPECT_EQ(0u, hss[0].satisfied_signals); | |
| 829 EXPECT_EQ(0u, hss[0].satisfiable_signals); | |
| 830 | |
| 831 // Try writing to |h[1]|. | |
| 832 buffer[0] = 'e'; | |
| 833 EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION, | |
| 834 core()->WriteMessage(h[1], | |
| 835 UserPointer<const void>(buffer), | |
| 836 1, | |
| 837 NullUserPointer(), | |
| 838 0, | |
| 839 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 840 | |
| 841 EXPECT_EQ(MOJO_RESULT_OK, core()->Close(h[1])); | |
| 842 } | |
| 843 | |
| 844 // Tests passing a message pipe handle. | |
| 845 TEST_F(CoreTest, MessagePipeBasicLocalHandlePassing1) { | |
| 846 const char kHello[] = "hello"; | |
| 847 const uint32_t kHelloSize = static_cast<uint32_t>(sizeof(kHello)); | |
| 848 const char kWorld[] = "world!!!"; | |
| 849 const uint32_t kWorldSize = static_cast<uint32_t>(sizeof(kWorld)); | |
| 850 char buffer[100]; | |
| 851 const uint32_t kBufferSize = static_cast<uint32_t>(sizeof(buffer)); | |
| 852 uint32_t num_bytes; | |
| 853 MojoHandle handles[10]; | |
| 854 uint32_t num_handles; | |
| 855 MojoHandleSignalsState hss; | |
| 856 MojoHandle h_received; | |
| 857 | |
| 858 MojoHandle h_passing[2]; | |
| 859 EXPECT_EQ(MOJO_RESULT_OK, | |
| 860 core()->CreateMessagePipe(NullUserPointer(), | |
| 861 MakeUserPointer(&h_passing[0]), | |
| 862 MakeUserPointer(&h_passing[1]))); | |
| 863 | |
| 864 // Make sure that |h_passing[]| work properly. | |
| 865 EXPECT_EQ(MOJO_RESULT_OK, | |
| 866 core()->WriteMessage(h_passing[0], | |
| 867 UserPointer<const void>(kHello), | |
| 868 kHelloSize, | |
| 869 NullUserPointer(), | |
| 870 0, | |
| 871 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 872 hss = kEmptyMojoHandleSignalsState; | |
| 873 EXPECT_EQ(MOJO_RESULT_OK, | |
| 874 core()->Wait(h_passing[1], | |
| 875 MOJO_HANDLE_SIGNAL_READABLE, | |
| 876 1000000000, | |
| 877 MakeUserPointer(&hss))); | |
| 878 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 879 hss.satisfied_signals); | |
| 880 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 881 hss.satisfiable_signals); | |
| 882 num_bytes = kBufferSize; | |
| 883 num_handles = arraysize(handles); | |
| 884 EXPECT_EQ(MOJO_RESULT_OK, | |
| 885 core()->ReadMessage(h_passing[1], | |
| 886 UserPointer<void>(buffer), | |
| 887 MakeUserPointer(&num_bytes), | |
| 888 MakeUserPointer(handles), | |
| 889 MakeUserPointer(&num_handles), | |
| 890 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 891 EXPECT_EQ(kHelloSize, num_bytes); | |
| 892 EXPECT_STREQ(kHello, buffer); | |
| 893 EXPECT_EQ(0u, num_handles); | |
| 894 | |
| 895 // Make sure that you can't pass either of the message pipe's handles over | |
| 896 // itself. | |
| 897 EXPECT_EQ(MOJO_RESULT_BUSY, | |
| 898 core()->WriteMessage(h_passing[0], | |
| 899 UserPointer<const void>(kHello), | |
| 900 kHelloSize, | |
| 901 MakeUserPointer(&h_passing[0]), | |
| 902 1, | |
| 903 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 904 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, | |
| 905 core()->WriteMessage(h_passing[0], | |
| 906 UserPointer<const void>(kHello), | |
| 907 kHelloSize, | |
| 908 MakeUserPointer(&h_passing[1]), | |
| 909 1, | |
| 910 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 911 | |
| 912 MojoHandle h_passed[2]; | |
| 913 EXPECT_EQ(MOJO_RESULT_OK, | |
| 914 core()->CreateMessagePipe(NullUserPointer(), | |
| 915 MakeUserPointer(&h_passed[0]), | |
| 916 MakeUserPointer(&h_passed[1]))); | |
| 917 | |
| 918 // Make sure that |h_passed[]| work properly. | |
| 919 EXPECT_EQ(MOJO_RESULT_OK, | |
| 920 core()->WriteMessage(h_passed[0], | |
| 921 UserPointer<const void>(kHello), | |
| 922 kHelloSize, | |
| 923 NullUserPointer(), | |
| 924 0, | |
| 925 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 926 hss = kEmptyMojoHandleSignalsState; | |
| 927 EXPECT_EQ(MOJO_RESULT_OK, | |
| 928 core()->Wait(h_passed[1], | |
| 929 MOJO_HANDLE_SIGNAL_READABLE, | |
| 930 1000000000, | |
| 931 MakeUserPointer(&hss))); | |
| 932 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 933 hss.satisfied_signals); | |
| 934 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 935 hss.satisfiable_signals); | |
| 936 num_bytes = kBufferSize; | |
| 937 num_handles = arraysize(handles); | |
| 938 EXPECT_EQ(MOJO_RESULT_OK, | |
| 939 core()->ReadMessage(h_passed[1], | |
| 940 UserPointer<void>(buffer), | |
| 941 MakeUserPointer(&num_bytes), | |
| 942 MakeUserPointer(handles), | |
| 943 MakeUserPointer(&num_handles), | |
| 944 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 945 EXPECT_EQ(kHelloSize, num_bytes); | |
| 946 EXPECT_STREQ(kHello, buffer); | |
| 947 EXPECT_EQ(0u, num_handles); | |
| 948 | |
| 949 // Send |h_passed[1]| from |h_passing[0]| to |h_passing[1]|. | |
| 950 EXPECT_EQ(MOJO_RESULT_OK, | |
| 951 core()->WriteMessage(h_passing[0], | |
| 952 UserPointer<const void>(kWorld), | |
| 953 kWorldSize, | |
| 954 MakeUserPointer(&h_passed[1]), | |
| 955 1, | |
| 956 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 957 hss = kEmptyMojoHandleSignalsState; | |
| 958 EXPECT_EQ(MOJO_RESULT_OK, | |
| 959 core()->Wait(h_passing[1], | |
| 960 MOJO_HANDLE_SIGNAL_READABLE, | |
| 961 1000000000, | |
| 962 MakeUserPointer(&hss))); | |
| 963 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 964 hss.satisfied_signals); | |
| 965 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 966 hss.satisfiable_signals); | |
| 967 num_bytes = kBufferSize; | |
| 968 num_handles = arraysize(handles); | |
| 969 EXPECT_EQ(MOJO_RESULT_OK, | |
| 970 core()->ReadMessage(h_passing[1], | |
| 971 UserPointer<void>(buffer), | |
| 972 MakeUserPointer(&num_bytes), | |
| 973 MakeUserPointer(handles), | |
| 974 MakeUserPointer(&num_handles), | |
| 975 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 976 EXPECT_EQ(kWorldSize, num_bytes); | |
| 977 EXPECT_STREQ(kWorld, buffer); | |
| 978 EXPECT_EQ(1u, num_handles); | |
| 979 h_received = handles[0]; | |
| 980 EXPECT_NE(h_received, MOJO_HANDLE_INVALID); | |
| 981 EXPECT_NE(h_received, h_passing[0]); | |
| 982 EXPECT_NE(h_received, h_passing[1]); | |
| 983 EXPECT_NE(h_received, h_passed[0]); | |
| 984 | |
| 985 // Note: We rely on the Mojo system not re-using handle values very often. | |
| 986 EXPECT_NE(h_received, h_passed[1]); | |
| 987 | |
| 988 // |h_passed[1]| should no longer be valid; check that trying to close it | |
| 989 // fails. See above note. | |
| 990 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, core()->Close(h_passed[1])); | |
| 991 | |
| 992 // Write to |h_passed[0]|. Should receive on |h_received|. | |
| 993 EXPECT_EQ(MOJO_RESULT_OK, | |
| 994 core()->WriteMessage(h_passed[0], | |
| 995 UserPointer<const void>(kHello), | |
| 996 kHelloSize, | |
| 997 NullUserPointer(), | |
| 998 0, | |
| 999 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 1000 hss = kEmptyMojoHandleSignalsState; | |
| 1001 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1002 core()->Wait(h_received, | |
| 1003 MOJO_HANDLE_SIGNAL_READABLE, | |
| 1004 1000000000, | |
| 1005 MakeUserPointer(&hss))); | |
| 1006 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 1007 hss.satisfied_signals); | |
| 1008 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 1009 hss.satisfiable_signals); | |
| 1010 num_bytes = kBufferSize; | |
| 1011 num_handles = arraysize(handles); | |
| 1012 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1013 core()->ReadMessage(h_received, | |
| 1014 UserPointer<void>(buffer), | |
| 1015 MakeUserPointer(&num_bytes), | |
| 1016 MakeUserPointer(handles), | |
| 1017 MakeUserPointer(&num_handles), | |
| 1018 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 1019 EXPECT_EQ(kHelloSize, num_bytes); | |
| 1020 EXPECT_STREQ(kHello, buffer); | |
| 1021 EXPECT_EQ(0u, num_handles); | |
| 1022 | |
| 1023 EXPECT_EQ(MOJO_RESULT_OK, core()->Close(h_passing[0])); | |
| 1024 EXPECT_EQ(MOJO_RESULT_OK, core()->Close(h_passing[1])); | |
| 1025 EXPECT_EQ(MOJO_RESULT_OK, core()->Close(h_passed[0])); | |
| 1026 EXPECT_EQ(MOJO_RESULT_OK, core()->Close(h_received)); | |
| 1027 } | |
| 1028 | |
| 1029 TEST_F(CoreTest, DataPipe) { | |
| 1030 MojoHandle ph, ch; // p is for producer and c is for consumer. | |
| 1031 MojoHandleSignalsState hss; | |
| 1032 | |
| 1033 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1034 core()->CreateDataPipe( | |
| 1035 NullUserPointer(), MakeUserPointer(&ph), MakeUserPointer(&ch))); | |
| 1036 // Should get two distinct, valid handles. | |
| 1037 EXPECT_NE(ph, MOJO_HANDLE_INVALID); | |
| 1038 EXPECT_NE(ch, MOJO_HANDLE_INVALID); | |
| 1039 EXPECT_NE(ph, ch); | |
| 1040 | |
| 1041 // Producer should be never-readable, but already writable. | |
| 1042 hss = kEmptyMojoHandleSignalsState; | |
| 1043 EXPECT_EQ( | |
| 1044 MOJO_RESULT_FAILED_PRECONDITION, | |
| 1045 core()->Wait(ph, MOJO_HANDLE_SIGNAL_READABLE, 0, MakeUserPointer(&hss))); | |
| 1046 EXPECT_EQ(MOJO_HANDLE_SIGNAL_WRITABLE, hss.satisfied_signals); | |
| 1047 EXPECT_EQ(MOJO_HANDLE_SIGNAL_WRITABLE, hss.satisfiable_signals); | |
| 1048 hss = kEmptyMojoHandleSignalsState; | |
| 1049 EXPECT_EQ( | |
| 1050 MOJO_RESULT_OK, | |
| 1051 core()->Wait(ph, MOJO_HANDLE_SIGNAL_WRITABLE, 0, MakeUserPointer(&hss))); | |
| 1052 EXPECT_EQ(MOJO_HANDLE_SIGNAL_WRITABLE, hss.satisfied_signals); | |
| 1053 EXPECT_EQ(MOJO_HANDLE_SIGNAL_WRITABLE, hss.satisfiable_signals); | |
| 1054 | |
| 1055 // Consumer should be never-writable, and not yet readable. | |
| 1056 hss = kFullMojoHandleSignalsState; | |
| 1057 EXPECT_EQ( | |
| 1058 MOJO_RESULT_FAILED_PRECONDITION, | |
| 1059 core()->Wait(ch, MOJO_HANDLE_SIGNAL_WRITABLE, 0, MakeUserPointer(&hss))); | |
| 1060 EXPECT_EQ(0u, hss.satisfied_signals); | |
| 1061 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE, hss.satisfiable_signals); | |
| 1062 hss = kFullMojoHandleSignalsState; | |
| 1063 EXPECT_EQ( | |
| 1064 MOJO_RESULT_DEADLINE_EXCEEDED, | |
| 1065 core()->Wait(ch, MOJO_HANDLE_SIGNAL_READABLE, 0, MakeUserPointer(&hss))); | |
| 1066 EXPECT_EQ(0u, hss.satisfied_signals); | |
| 1067 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE, hss.satisfiable_signals); | |
| 1068 | |
| 1069 // Write. | |
| 1070 char elements[2] = {'A', 'B'}; | |
| 1071 uint32_t num_bytes = 2u; | |
| 1072 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1073 core()->WriteData(ph, | |
| 1074 UserPointer<const void>(elements), | |
| 1075 MakeUserPointer(&num_bytes), | |
| 1076 MOJO_WRITE_DATA_FLAG_NONE)); | |
| 1077 EXPECT_EQ(2u, num_bytes); | |
| 1078 | |
| 1079 // Consumer should now be readable. | |
| 1080 hss = kEmptyMojoHandleSignalsState; | |
| 1081 EXPECT_EQ( | |
| 1082 MOJO_RESULT_OK, | |
| 1083 core()->Wait(ch, MOJO_HANDLE_SIGNAL_READABLE, 0, MakeUserPointer(&hss))); | |
| 1084 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE, hss.satisfied_signals); | |
| 1085 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE, hss.satisfiable_signals); | |
| 1086 | |
| 1087 // Read one character. | |
| 1088 elements[0] = -1; | |
| 1089 elements[1] = -1; | |
| 1090 num_bytes = 1u; | |
| 1091 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1092 core()->ReadData(ch, | |
| 1093 UserPointer<void>(elements), | |
| 1094 MakeUserPointer(&num_bytes), | |
| 1095 MOJO_READ_DATA_FLAG_NONE)); | |
| 1096 EXPECT_EQ('A', elements[0]); | |
| 1097 EXPECT_EQ(-1, elements[1]); | |
| 1098 | |
| 1099 // Two-phase write. | |
| 1100 void* write_ptr = nullptr; | |
| 1101 num_bytes = 0u; | |
| 1102 ASSERT_EQ(MOJO_RESULT_OK, | |
| 1103 core()->BeginWriteData(ph, | |
| 1104 MakeUserPointer(&write_ptr), | |
| 1105 MakeUserPointer(&num_bytes), | |
| 1106 MOJO_WRITE_DATA_FLAG_NONE)); | |
| 1107 // We count on the default options providing a decent buffer size. | |
| 1108 ASSERT_GE(num_bytes, 3u); | |
| 1109 | |
| 1110 // Trying to do a normal write during a two-phase write should fail. | |
| 1111 elements[0] = 'X'; | |
| 1112 num_bytes = 1u; | |
| 1113 EXPECT_EQ(MOJO_RESULT_BUSY, | |
| 1114 core()->WriteData(ph, | |
| 1115 UserPointer<const void>(elements), | |
| 1116 MakeUserPointer(&num_bytes), | |
| 1117 MOJO_WRITE_DATA_FLAG_NONE)); | |
| 1118 | |
| 1119 // Actually write the data, and complete it now. | |
| 1120 static_cast<char*>(write_ptr)[0] = 'C'; | |
| 1121 static_cast<char*>(write_ptr)[1] = 'D'; | |
| 1122 static_cast<char*>(write_ptr)[2] = 'E'; | |
| 1123 EXPECT_EQ(MOJO_RESULT_OK, core()->EndWriteData(ph, 3u)); | |
| 1124 | |
| 1125 // Query how much data we have. | |
| 1126 num_bytes = 0; | |
| 1127 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1128 core()->ReadData(ch, | |
| 1129 NullUserPointer(), | |
| 1130 MakeUserPointer(&num_bytes), | |
| 1131 MOJO_READ_DATA_FLAG_QUERY)); | |
| 1132 EXPECT_EQ(4u, num_bytes); | |
| 1133 | |
| 1134 // Try to discard ten characters, in all-or-none mode. Should fail. | |
| 1135 num_bytes = 10; | |
| 1136 EXPECT_EQ(MOJO_RESULT_OUT_OF_RANGE, | |
| 1137 core()->ReadData( | |
| 1138 ch, | |
| 1139 NullUserPointer(), | |
| 1140 MakeUserPointer(&num_bytes), | |
| 1141 MOJO_READ_DATA_FLAG_DISCARD | MOJO_READ_DATA_FLAG_ALL_OR_NONE)); | |
| 1142 | |
| 1143 // Discard two characters. | |
| 1144 num_bytes = 2; | |
| 1145 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1146 core()->ReadData( | |
| 1147 ch, | |
| 1148 NullUserPointer(), | |
| 1149 MakeUserPointer(&num_bytes), | |
| 1150 MOJO_READ_DATA_FLAG_DISCARD | MOJO_READ_DATA_FLAG_ALL_OR_NONE)); | |
| 1151 | |
| 1152 // Read the remaining two characters, in two-phase mode (all-or-none). | |
| 1153 const void* read_ptr = nullptr; | |
| 1154 num_bytes = 2; | |
| 1155 ASSERT_EQ(MOJO_RESULT_OK, | |
| 1156 core()->BeginReadData(ch, | |
| 1157 MakeUserPointer(&read_ptr), | |
| 1158 MakeUserPointer(&num_bytes), | |
| 1159 MOJO_READ_DATA_FLAG_ALL_OR_NONE)); | |
| 1160 // Note: Count on still being able to do the contiguous read here. | |
| 1161 ASSERT_EQ(2u, num_bytes); | |
| 1162 | |
| 1163 // Discarding right now should fail. | |
| 1164 num_bytes = 1; | |
| 1165 EXPECT_EQ(MOJO_RESULT_BUSY, | |
| 1166 core()->ReadData(ch, | |
| 1167 NullUserPointer(), | |
| 1168 MakeUserPointer(&num_bytes), | |
| 1169 MOJO_READ_DATA_FLAG_DISCARD)); | |
| 1170 | |
| 1171 // Actually check our data and end the two-phase read. | |
| 1172 EXPECT_EQ('D', static_cast<const char*>(read_ptr)[0]); | |
| 1173 EXPECT_EQ('E', static_cast<const char*>(read_ptr)[1]); | |
| 1174 EXPECT_EQ(MOJO_RESULT_OK, core()->EndReadData(ch, 2u)); | |
| 1175 | |
| 1176 // Consumer should now be no longer readable. | |
| 1177 hss = kFullMojoHandleSignalsState; | |
| 1178 EXPECT_EQ( | |
| 1179 MOJO_RESULT_DEADLINE_EXCEEDED, | |
| 1180 core()->Wait(ch, MOJO_HANDLE_SIGNAL_READABLE, 0, MakeUserPointer(&hss))); | |
| 1181 EXPECT_EQ(0u, hss.satisfied_signals); | |
| 1182 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE, hss.satisfiable_signals); | |
| 1183 | |
| 1184 // TODO(vtl): More. | |
| 1185 | |
| 1186 // Close the producer. | |
| 1187 EXPECT_EQ(MOJO_RESULT_OK, core()->Close(ph)); | |
| 1188 | |
| 1189 // The consumer should now be never-readable. | |
| 1190 hss = kFullMojoHandleSignalsState; | |
| 1191 EXPECT_EQ( | |
| 1192 MOJO_RESULT_FAILED_PRECONDITION, | |
| 1193 core()->Wait(ch, MOJO_HANDLE_SIGNAL_READABLE, 0, MakeUserPointer(&hss))); | |
| 1194 EXPECT_EQ(0u, hss.satisfied_signals); | |
| 1195 EXPECT_EQ(0u, hss.satisfiable_signals); | |
| 1196 | |
| 1197 EXPECT_EQ(MOJO_RESULT_OK, core()->Close(ch)); | |
| 1198 } | |
| 1199 | |
| 1200 // Tests passing data pipe producer and consumer handles. | |
| 1201 TEST_F(CoreTest, MessagePipeBasicLocalHandlePassing2) { | |
| 1202 const char kHello[] = "hello"; | |
| 1203 const uint32_t kHelloSize = static_cast<uint32_t>(sizeof(kHello)); | |
| 1204 const char kWorld[] = "world!!!"; | |
| 1205 const uint32_t kWorldSize = static_cast<uint32_t>(sizeof(kWorld)); | |
| 1206 char buffer[100]; | |
| 1207 const uint32_t kBufferSize = static_cast<uint32_t>(sizeof(buffer)); | |
| 1208 uint32_t num_bytes; | |
| 1209 MojoHandle handles[10]; | |
| 1210 uint32_t num_handles; | |
| 1211 MojoHandleSignalsState hss; | |
| 1212 | |
| 1213 MojoHandle h_passing[2]; | |
| 1214 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1215 core()->CreateMessagePipe(NullUserPointer(), | |
| 1216 MakeUserPointer(&h_passing[0]), | |
| 1217 MakeUserPointer(&h_passing[1]))); | |
| 1218 | |
| 1219 MojoHandle ph, ch; | |
| 1220 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1221 core()->CreateDataPipe( | |
| 1222 NullUserPointer(), MakeUserPointer(&ph), MakeUserPointer(&ch))); | |
| 1223 | |
| 1224 // Send |ch| from |h_passing[0]| to |h_passing[1]|. | |
| 1225 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1226 core()->WriteMessage(h_passing[0], | |
| 1227 UserPointer<const void>(kHello), | |
| 1228 kHelloSize, | |
| 1229 MakeUserPointer(&ch), | |
| 1230 1, | |
| 1231 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 1232 hss = kEmptyMojoHandleSignalsState; | |
| 1233 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1234 core()->Wait(h_passing[1], | |
| 1235 MOJO_HANDLE_SIGNAL_READABLE, | |
| 1236 1000000000, | |
| 1237 MakeUserPointer(&hss))); | |
| 1238 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 1239 hss.satisfied_signals); | |
| 1240 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 1241 hss.satisfiable_signals); | |
| 1242 num_bytes = kBufferSize; | |
| 1243 num_handles = arraysize(handles); | |
| 1244 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1245 core()->ReadMessage(h_passing[1], | |
| 1246 UserPointer<void>(buffer), | |
| 1247 MakeUserPointer(&num_bytes), | |
| 1248 MakeUserPointer(handles), | |
| 1249 MakeUserPointer(&num_handles), | |
| 1250 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 1251 EXPECT_EQ(kHelloSize, num_bytes); | |
| 1252 EXPECT_STREQ(kHello, buffer); | |
| 1253 EXPECT_EQ(1u, num_handles); | |
| 1254 MojoHandle ch_received = handles[0]; | |
| 1255 EXPECT_NE(ch_received, MOJO_HANDLE_INVALID); | |
| 1256 EXPECT_NE(ch_received, h_passing[0]); | |
| 1257 EXPECT_NE(ch_received, h_passing[1]); | |
| 1258 EXPECT_NE(ch_received, ph); | |
| 1259 | |
| 1260 // Note: We rely on the Mojo system not re-using handle values very often. | |
| 1261 EXPECT_NE(ch_received, ch); | |
| 1262 | |
| 1263 // |ch| should no longer be valid; check that trying to close it fails. See | |
| 1264 // above note. | |
| 1265 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, core()->Close(ch)); | |
| 1266 | |
| 1267 // Write to |ph|. Should receive on |ch_received|. | |
| 1268 num_bytes = kWorldSize; | |
| 1269 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1270 core()->WriteData(ph, | |
| 1271 UserPointer<const void>(kWorld), | |
| 1272 MakeUserPointer(&num_bytes), | |
| 1273 MOJO_WRITE_DATA_FLAG_ALL_OR_NONE)); | |
| 1274 hss = kEmptyMojoHandleSignalsState; | |
| 1275 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1276 core()->Wait(ch_received, | |
| 1277 MOJO_HANDLE_SIGNAL_READABLE, | |
| 1278 1000000000, | |
| 1279 MakeUserPointer(&hss))); | |
| 1280 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE, hss.satisfied_signals); | |
| 1281 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE, hss.satisfiable_signals); | |
| 1282 num_bytes = kBufferSize; | |
| 1283 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1284 core()->ReadData(ch_received, | |
| 1285 UserPointer<void>(buffer), | |
| 1286 MakeUserPointer(&num_bytes), | |
| 1287 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 1288 EXPECT_EQ(kWorldSize, num_bytes); | |
| 1289 EXPECT_STREQ(kWorld, buffer); | |
| 1290 | |
| 1291 // Now pass |ph| in the same direction. | |
| 1292 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1293 core()->WriteMessage(h_passing[0], | |
| 1294 UserPointer<const void>(kWorld), | |
| 1295 kWorldSize, | |
| 1296 MakeUserPointer(&ph), | |
| 1297 1, | |
| 1298 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 1299 hss = kEmptyMojoHandleSignalsState; | |
| 1300 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1301 core()->Wait(h_passing[1], | |
| 1302 MOJO_HANDLE_SIGNAL_READABLE, | |
| 1303 1000000000, | |
| 1304 MakeUserPointer(&hss))); | |
| 1305 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 1306 hss.satisfied_signals); | |
| 1307 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 1308 hss.satisfiable_signals); | |
| 1309 num_bytes = kBufferSize; | |
| 1310 num_handles = arraysize(handles); | |
| 1311 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1312 core()->ReadMessage(h_passing[1], | |
| 1313 UserPointer<void>(buffer), | |
| 1314 MakeUserPointer(&num_bytes), | |
| 1315 MakeUserPointer(handles), | |
| 1316 MakeUserPointer(&num_handles), | |
| 1317 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 1318 EXPECT_EQ(kWorldSize, num_bytes); | |
| 1319 EXPECT_STREQ(kWorld, buffer); | |
| 1320 EXPECT_EQ(1u, num_handles); | |
| 1321 MojoHandle ph_received = handles[0]; | |
| 1322 EXPECT_NE(ph_received, MOJO_HANDLE_INVALID); | |
| 1323 EXPECT_NE(ph_received, h_passing[0]); | |
| 1324 EXPECT_NE(ph_received, h_passing[1]); | |
| 1325 EXPECT_NE(ph_received, ch_received); | |
| 1326 | |
| 1327 // Again, rely on the Mojo system not re-using handle values very often. | |
| 1328 EXPECT_NE(ph_received, ph); | |
| 1329 | |
| 1330 // |ph| should no longer be valid; check that trying to close it fails. See | |
| 1331 // above note. | |
| 1332 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, core()->Close(ph)); | |
| 1333 | |
| 1334 // Write to |ph_received|. Should receive on |ch_received|. | |
| 1335 num_bytes = kHelloSize; | |
| 1336 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1337 core()->WriteData(ph_received, | |
| 1338 UserPointer<const void>(kHello), | |
| 1339 MakeUserPointer(&num_bytes), | |
| 1340 MOJO_WRITE_DATA_FLAG_ALL_OR_NONE)); | |
| 1341 hss = kEmptyMojoHandleSignalsState; | |
| 1342 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1343 core()->Wait(ch_received, | |
| 1344 MOJO_HANDLE_SIGNAL_READABLE, | |
| 1345 1000000000, | |
| 1346 MakeUserPointer(&hss))); | |
| 1347 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE, hss.satisfied_signals); | |
| 1348 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE, hss.satisfiable_signals); | |
| 1349 num_bytes = kBufferSize; | |
| 1350 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1351 core()->ReadData(ch_received, | |
| 1352 UserPointer<void>(buffer), | |
| 1353 MakeUserPointer(&num_bytes), | |
| 1354 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 1355 EXPECT_EQ(kHelloSize, num_bytes); | |
| 1356 EXPECT_STREQ(kHello, buffer); | |
| 1357 | |
| 1358 ph = ph_received; | |
| 1359 ph_received = MOJO_HANDLE_INVALID; | |
| 1360 ch = ch_received; | |
| 1361 ch_received = MOJO_HANDLE_INVALID; | |
| 1362 | |
| 1363 // Make sure that |ph| can't be sent if it's in a two-phase write. | |
| 1364 void* write_ptr = nullptr; | |
| 1365 num_bytes = 0; | |
| 1366 ASSERT_EQ(MOJO_RESULT_OK, | |
| 1367 core()->BeginWriteData(ph, | |
| 1368 MakeUserPointer(&write_ptr), | |
| 1369 MakeUserPointer(&num_bytes), | |
| 1370 MOJO_WRITE_DATA_FLAG_NONE)); | |
| 1371 ASSERT_GE(num_bytes, 1u); | |
| 1372 EXPECT_EQ(MOJO_RESULT_BUSY, | |
| 1373 core()->WriteMessage(h_passing[0], | |
| 1374 UserPointer<const void>(kHello), | |
| 1375 kHelloSize, | |
| 1376 MakeUserPointer(&ph), | |
| 1377 1, | |
| 1378 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 1379 | |
| 1380 // But |ch| can, even if |ph| is in a two-phase write. | |
| 1381 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1382 core()->WriteMessage(h_passing[0], | |
| 1383 UserPointer<const void>(kHello), | |
| 1384 kHelloSize, | |
| 1385 MakeUserPointer(&ch), | |
| 1386 1, | |
| 1387 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 1388 ch = MOJO_HANDLE_INVALID; | |
| 1389 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1390 core()->Wait(h_passing[1], | |
| 1391 MOJO_HANDLE_SIGNAL_READABLE, | |
| 1392 1000000000, | |
| 1393 NullUserPointer())); | |
| 1394 num_bytes = kBufferSize; | |
| 1395 num_handles = arraysize(handles); | |
| 1396 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1397 core()->ReadMessage(h_passing[1], | |
| 1398 UserPointer<void>(buffer), | |
| 1399 MakeUserPointer(&num_bytes), | |
| 1400 MakeUserPointer(handles), | |
| 1401 MakeUserPointer(&num_handles), | |
| 1402 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 1403 EXPECT_EQ(kHelloSize, num_bytes); | |
| 1404 EXPECT_STREQ(kHello, buffer); | |
| 1405 EXPECT_EQ(1u, num_handles); | |
| 1406 ch = handles[0]; | |
| 1407 EXPECT_NE(ch, MOJO_HANDLE_INVALID); | |
| 1408 | |
| 1409 // Complete the two-phase write. | |
| 1410 static_cast<char*>(write_ptr)[0] = 'x'; | |
| 1411 EXPECT_EQ(MOJO_RESULT_OK, core()->EndWriteData(ph, 1)); | |
| 1412 | |
| 1413 // Wait for |ch| to be readable. | |
| 1414 hss = kEmptyMojoHandleSignalsState; | |
| 1415 EXPECT_EQ( | |
| 1416 MOJO_RESULT_OK, | |
| 1417 core()->Wait( | |
| 1418 ch, MOJO_HANDLE_SIGNAL_READABLE, 1000000000, MakeUserPointer(&hss))); | |
| 1419 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE, hss.satisfied_signals); | |
| 1420 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE, hss.satisfiable_signals); | |
| 1421 | |
| 1422 // Make sure that |ch| can't be sent if it's in a two-phase read. | |
| 1423 const void* read_ptr = nullptr; | |
| 1424 num_bytes = 1; | |
| 1425 ASSERT_EQ(MOJO_RESULT_OK, | |
| 1426 core()->BeginReadData(ch, | |
| 1427 MakeUserPointer(&read_ptr), | |
| 1428 MakeUserPointer(&num_bytes), | |
| 1429 MOJO_READ_DATA_FLAG_ALL_OR_NONE)); | |
| 1430 EXPECT_EQ(MOJO_RESULT_BUSY, | |
| 1431 core()->WriteMessage(h_passing[0], | |
| 1432 UserPointer<const void>(kHello), | |
| 1433 kHelloSize, | |
| 1434 MakeUserPointer(&ch), | |
| 1435 1, | |
| 1436 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 1437 | |
| 1438 // But |ph| can, even if |ch| is in a two-phase read. | |
| 1439 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1440 core()->WriteMessage(h_passing[0], | |
| 1441 UserPointer<const void>(kWorld), | |
| 1442 kWorldSize, | |
| 1443 MakeUserPointer(&ph), | |
| 1444 1, | |
| 1445 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 1446 ph = MOJO_HANDLE_INVALID; | |
| 1447 hss = kEmptyMojoHandleSignalsState; | |
| 1448 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1449 core()->Wait(h_passing[1], | |
| 1450 MOJO_HANDLE_SIGNAL_READABLE, | |
| 1451 1000000000, | |
| 1452 MakeUserPointer(&hss))); | |
| 1453 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 1454 hss.satisfied_signals); | |
| 1455 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 1456 hss.satisfiable_signals); | |
| 1457 num_bytes = kBufferSize; | |
| 1458 num_handles = arraysize(handles); | |
| 1459 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1460 core()->ReadMessage(h_passing[1], | |
| 1461 UserPointer<void>(buffer), | |
| 1462 MakeUserPointer(&num_bytes), | |
| 1463 MakeUserPointer(handles), | |
| 1464 MakeUserPointer(&num_handles), | |
| 1465 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 1466 EXPECT_EQ(kWorldSize, num_bytes); | |
| 1467 EXPECT_STREQ(kWorld, buffer); | |
| 1468 EXPECT_EQ(1u, num_handles); | |
| 1469 ph = handles[0]; | |
| 1470 EXPECT_NE(ph, MOJO_HANDLE_INVALID); | |
| 1471 | |
| 1472 // Complete the two-phase read. | |
| 1473 EXPECT_EQ('x', static_cast<const char*>(read_ptr)[0]); | |
| 1474 EXPECT_EQ(MOJO_RESULT_OK, core()->EndReadData(ch, 1)); | |
| 1475 | |
| 1476 EXPECT_EQ(MOJO_RESULT_OK, core()->Close(h_passing[0])); | |
| 1477 EXPECT_EQ(MOJO_RESULT_OK, core()->Close(h_passing[1])); | |
| 1478 EXPECT_EQ(MOJO_RESULT_OK, core()->Close(ph)); | |
| 1479 EXPECT_EQ(MOJO_RESULT_OK, core()->Close(ch)); | |
| 1480 } | |
| 1481 | |
| 1482 // TODO(vtl): Test |DuplicateBufferHandle()| and |MapBuffer()|. | |
| 1483 | |
| 1484 } // namespace | |
| 1485 } // namespace system | |
| 1486 } // namespace mojo | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 621153003:
Move mojo edk into mojo/edk (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master