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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/edk/system/core.h" | |
| 6 | |
| 7 #include <stdint.h> | |
| 8 | |
| 9 #include <limits> | |
| 10 | |
| 11 #include "base/bind.h" | |
| 12 #include "base/threading/platform_thread.h" | |
| 13 #include "base/time/time.h" | |
| 14 #include "mojo/edk/system/awakable.h" | |
| 15 #include "mojo/edk/system/core_test_base.h" | |
| 16 | |
| 17 namespace mojo { | |
| 18 namespace system { | |
| 19 namespace { | |
| 20 | |
| 21 const MojoHandleSignalsState kEmptyMojoHandleSignalsState = {0u, 0u}; | |
| 22 const MojoHandleSignalsState kFullMojoHandleSignalsState = {~0u, ~0u}; | |
| 23 const MojoHandleSignals kAllSignals = MOJO_HANDLE_SIGNAL_READABLE | | |
| 24 MOJO_HANDLE_SIGNAL_WRITABLE | | |
| 25 MOJO_HANDLE_SIGNAL_PEER_CLOSED; | |
| 26 | |
| 27 typedef test::CoreTestBase CoreTest; | |
| 28 | |
| 29 TEST_F(CoreTest, GetTimeTicksNow) { | |
| 30 const MojoTimeTicks start = core()->GetTimeTicksNow(); | |
| 31 EXPECT_NE(static_cast<MojoTimeTicks>(0), start) | |
| 32 << "GetTimeTicksNow should return nonzero value"; | |
| 33 base::PlatformThread::Sleep(base::TimeDelta::FromMilliseconds(15)); | |
| 34 const MojoTimeTicks finish = core()->GetTimeTicksNow(); | |
| 35 // Allow for some fuzz in sleep. | |
| 36 EXPECT_GE((finish - start), static_cast<MojoTimeTicks>(8000)) | |
| 37 << "Sleeping should result in increasing time ticks"; | |
| 38 } | |
| 39 | |
| 40 TEST_F(CoreTest, Basic) { | |
| 41 MockHandleInfo info; | |
| 42 | |
| 43 EXPECT_EQ(0u, info.GetCtorCallCount()); | |
| 44 MojoHandle h = CreateMockHandle(&info); | |
| 45 EXPECT_EQ(1u, info.GetCtorCallCount()); | |
| 46 EXPECT_NE(h, MOJO_HANDLE_INVALID); | |
| 47 | |
| 48 EXPECT_EQ(0u, info.GetWriteMessageCallCount()); | |
| 49 EXPECT_EQ(MOJO_RESULT_OK, | |
| 50 core()->WriteMessage(h, NullUserPointer(), 0, NullUserPointer(), 0, | |
| 51 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 52 EXPECT_EQ(1u, info.GetWriteMessageCallCount()); | |
| 53 | |
| 54 EXPECT_EQ(0u, info.GetReadMessageCallCount()); | |
| 55 uint32_t num_bytes = 0; | |
| 56 EXPECT_EQ( | |
| 57 MOJO_RESULT_OK, | |
| 58 core()->ReadMessage(h, NullUserPointer(), MakeUserPointer(&num_bytes), | |
| 59 NullUserPointer(), NullUserPointer(), | |
| 60 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 61 EXPECT_EQ(1u, info.GetReadMessageCallCount()); | |
| 62 EXPECT_EQ(MOJO_RESULT_OK, | |
| 63 core()->ReadMessage(h, NullUserPointer(), NullUserPointer(), | |
| 64 NullUserPointer(), NullUserPointer(), | |
| 65 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 66 EXPECT_EQ(2u, info.GetReadMessageCallCount()); | |
| 67 | |
| 68 EXPECT_EQ(0u, info.GetWriteDataCallCount()); | |
| 69 EXPECT_EQ(MOJO_RESULT_UNIMPLEMENTED, | |
| 70 core()->WriteData(h, NullUserPointer(), NullUserPointer(), | |
| 71 MOJO_WRITE_DATA_FLAG_NONE)); | |
| 72 EXPECT_EQ(1u, info.GetWriteDataCallCount()); | |
| 73 | |
| 74 EXPECT_EQ(0u, info.GetBeginWriteDataCallCount()); | |
| 75 EXPECT_EQ(MOJO_RESULT_UNIMPLEMENTED, | |
| 76 core()->BeginWriteData(h, NullUserPointer(), NullUserPointer(), | |
| 77 MOJO_WRITE_DATA_FLAG_NONE)); | |
| 78 EXPECT_EQ(1u, info.GetBeginWriteDataCallCount()); | |
| 79 | |
| 80 EXPECT_EQ(0u, info.GetEndWriteDataCallCount()); | |
| 81 EXPECT_EQ(MOJO_RESULT_UNIMPLEMENTED, core()->EndWriteData(h, 0)); | |
| 82 EXPECT_EQ(1u, info.GetEndWriteDataCallCount()); | |
| 83 | |
| 84 EXPECT_EQ(0u, info.GetReadDataCallCount()); | |
| 85 EXPECT_EQ(MOJO_RESULT_UNIMPLEMENTED, | |
| 86 core()->ReadData(h, NullUserPointer(), NullUserPointer(), | |
| 87 MOJO_READ_DATA_FLAG_NONE)); | |
| 88 EXPECT_EQ(1u, info.GetReadDataCallCount()); | |
| 89 | |
| 90 EXPECT_EQ(0u, info.GetBeginReadDataCallCount()); | |
| 91 EXPECT_EQ(MOJO_RESULT_UNIMPLEMENTED, | |
| 92 core()->BeginReadData(h, NullUserPointer(), NullUserPointer(), | |
| 93 MOJO_READ_DATA_FLAG_NONE)); | |
| 94 EXPECT_EQ(1u, info.GetBeginReadDataCallCount()); | |
| 95 | |
| 96 EXPECT_EQ(0u, info.GetEndReadDataCallCount()); | |
| 97 EXPECT_EQ(MOJO_RESULT_UNIMPLEMENTED, core()->EndReadData(h, 0)); | |
| 98 EXPECT_EQ(1u, info.GetEndReadDataCallCount()); | |
| 99 | |
| 100 EXPECT_EQ(0u, info.GetAddAwakableCallCount()); | |
| 101 EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION, | |
| 102 core()->Wait(h, ~MOJO_HANDLE_SIGNAL_NONE, MOJO_DEADLINE_INDEFINITE, | |
| 103 NullUserPointer())); | |
| 104 EXPECT_EQ(1u, info.GetAddAwakableCallCount()); | |
| 105 EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION, | |
| 106 core()->Wait(h, ~MOJO_HANDLE_SIGNAL_NONE, 0, NullUserPointer())); | |
| 107 EXPECT_EQ(2u, info.GetAddAwakableCallCount()); | |
| 108 MojoHandleSignalsState hss = kFullMojoHandleSignalsState; | |
| 109 EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION, | |
| 110 core()->Wait(h, ~MOJO_HANDLE_SIGNAL_NONE, MOJO_DEADLINE_INDEFINITE, | |
| 111 MakeUserPointer(&hss))); | |
| 112 EXPECT_EQ(3u, info.GetAddAwakableCallCount()); | |
| 113 EXPECT_EQ(0u, hss.satisfied_signals); | |
| 114 EXPECT_EQ(0u, hss.satisfiable_signals); | |
| 115 EXPECT_EQ( | |
| 116 MOJO_RESULT_FAILED_PRECONDITION, | |
| 117 core()->Wait(h, ~MOJO_HANDLE_SIGNAL_NONE, 10 * 1000, NullUserPointer())); | |
| 118 EXPECT_EQ(4u, info.GetAddAwakableCallCount()); | |
| 119 hss = kFullMojoHandleSignalsState; | |
| 120 EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION, | |
| 121 core()->Wait(h, ~MOJO_HANDLE_SIGNAL_NONE, 10 * 1000, | |
| 122 MakeUserPointer(&hss))); | |
| 123 EXPECT_EQ(5u, info.GetAddAwakableCallCount()); | |
| 124 EXPECT_EQ(0u, hss.satisfied_signals); | |
| 125 EXPECT_EQ(0u, hss.satisfiable_signals); | |
| 126 | |
| 127 MojoHandleSignals handle_signals = ~MOJO_HANDLE_SIGNAL_NONE; | |
| 128 EXPECT_EQ( | |
| 129 MOJO_RESULT_FAILED_PRECONDITION, | |
| 130 core()->WaitMany(MakeUserPointer(&h), MakeUserPointer(&handle_signals), 1, | |
| 131 MOJO_DEADLINE_INDEFINITE, NullUserPointer(), | |
| 132 NullUserPointer())); | |
| 133 EXPECT_EQ(6u, info.GetAddAwakableCallCount()); | |
| 134 uint32_t result_index = static_cast<uint32_t>(-1); | |
| 135 EXPECT_EQ( | |
| 136 MOJO_RESULT_FAILED_PRECONDITION, | |
| 137 core()->WaitMany(MakeUserPointer(&h), MakeUserPointer(&handle_signals), 1, | |
| 138 MOJO_DEADLINE_INDEFINITE, MakeUserPointer(&result_index), | |
| 139 NullUserPointer())); | |
| 140 EXPECT_EQ(7u, info.GetAddAwakableCallCount()); | |
| 141 EXPECT_EQ(0u, result_index); | |
| 142 hss = kFullMojoHandleSignalsState; | |
| 143 EXPECT_EQ( | |
| 144 MOJO_RESULT_FAILED_PRECONDITION, | |
| 145 core()->WaitMany(MakeUserPointer(&h), MakeUserPointer(&handle_signals), 1, | |
| 146 MOJO_DEADLINE_INDEFINITE, NullUserPointer(), | |
| 147 MakeUserPointer(&hss))); | |
| 148 EXPECT_EQ(8u, info.GetAddAwakableCallCount()); | |
| 149 EXPECT_EQ(0u, hss.satisfied_signals); | |
| 150 EXPECT_EQ(0u, hss.satisfiable_signals); | |
| 151 result_index = static_cast<uint32_t>(-1); | |
| 152 hss = kFullMojoHandleSignalsState; | |
| 153 EXPECT_EQ( | |
| 154 MOJO_RESULT_FAILED_PRECONDITION, | |
| 155 core()->WaitMany(MakeUserPointer(&h), MakeUserPointer(&handle_signals), 1, | |
| 156 MOJO_DEADLINE_INDEFINITE, MakeUserPointer(&result_index), | |
| 157 MakeUserPointer(&hss))); | |
| 158 EXPECT_EQ(9u, info.GetAddAwakableCallCount()); | |
| 159 EXPECT_EQ(0u, result_index); | |
| 160 EXPECT_EQ(0u, hss.satisfied_signals); | |
| 161 EXPECT_EQ(0u, hss.satisfiable_signals); | |
| 162 | |
| 163 EXPECT_EQ(0u, info.GetDtorCallCount()); | |
| 164 EXPECT_EQ(0u, info.GetCloseCallCount()); | |
| 165 EXPECT_EQ(0u, info.GetCancelAllAwakablesCallCount()); | |
| 166 EXPECT_EQ(MOJO_RESULT_OK, core()->Close(h)); | |
| 167 EXPECT_EQ(1u, info.GetCancelAllAwakablesCallCount()); | |
| 168 EXPECT_EQ(1u, info.GetCloseCallCount()); | |
| 169 EXPECT_EQ(1u, info.GetDtorCallCount()); | |
| 170 | |
| 171 // No awakables should ever have ever been added. | |
| 172 EXPECT_EQ(0u, info.GetRemoveAwakableCallCount()); | |
| 173 } | |
| 174 | |
| 175 TEST_F(CoreTest, InvalidArguments) { | |
| 176 // |Close()|: | |
| 177 { | |
| 178 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, core()->Close(MOJO_HANDLE_INVALID)); | |
| 179 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, core()->Close(10)); | |
| 180 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, core()->Close(1000000000)); | |
| 181 | |
| 182 // Test a double-close. | |
| 183 MockHandleInfo info; | |
| 184 MojoHandle h = CreateMockHandle(&info); | |
| 185 EXPECT_EQ(MOJO_RESULT_OK, core()->Close(h)); | |
| 186 EXPECT_EQ(1u, info.GetCloseCallCount()); | |
| 187 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, core()->Close(h)); | |
| 188 EXPECT_EQ(1u, info.GetCloseCallCount()); | |
| 189 } | |
| 190 | |
| 191 // |Wait()|: | |
| 192 { | |
| 193 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, | |
| 194 core()->Wait(MOJO_HANDLE_INVALID, ~MOJO_HANDLE_SIGNAL_NONE, | |
| 195 MOJO_DEADLINE_INDEFINITE, NullUserPointer())); | |
| 196 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, | |
| 197 core()->Wait(10, ~MOJO_HANDLE_SIGNAL_NONE, | |
| 198 MOJO_DEADLINE_INDEFINITE, NullUserPointer())); | |
| 199 | |
| 200 MojoHandleSignalsState hss = kFullMojoHandleSignalsState; | |
| 201 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, | |
| 202 core()->Wait(MOJO_HANDLE_INVALID, ~MOJO_HANDLE_SIGNAL_NONE, | |
| 203 MOJO_DEADLINE_INDEFINITE, MakeUserPointer(&hss))); | |
| 204 // On invalid argument, it shouldn't modify the handle signals state. | |
| 205 EXPECT_EQ(kFullMojoHandleSignalsState.satisfied_signals, | |
| 206 hss.satisfied_signals); | |
| 207 EXPECT_EQ(kFullMojoHandleSignalsState.satisfiable_signals, | |
| 208 hss.satisfiable_signals); | |
| 209 hss = kFullMojoHandleSignalsState; | |
| 210 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, | |
| 211 core()->Wait(10, ~MOJO_HANDLE_SIGNAL_NONE, | |
| 212 MOJO_DEADLINE_INDEFINITE, MakeUserPointer(&hss))); | |
| 213 // On invalid argument, it shouldn't modify the handle signals state. | |
| 214 EXPECT_EQ(kFullMojoHandleSignalsState.satisfied_signals, | |
| 215 hss.satisfied_signals); | |
| 216 EXPECT_EQ(kFullMojoHandleSignalsState.satisfiable_signals, | |
| 217 hss.satisfiable_signals); | |
| 218 } | |
| 219 | |
| 220 // |WaitMany()|: | |
| 221 { | |
| 222 MojoHandle handles[2] = {MOJO_HANDLE_INVALID, MOJO_HANDLE_INVALID}; | |
| 223 MojoHandleSignals signals[2] = {~MOJO_HANDLE_SIGNAL_NONE, | |
| 224 ~MOJO_HANDLE_SIGNAL_NONE}; | |
| 225 EXPECT_EQ( | |
| 226 MOJO_RESULT_INVALID_ARGUMENT, | |
| 227 core()->WaitMany(MakeUserPointer(handles), MakeUserPointer(signals), 0, | |
| 228 MOJO_DEADLINE_INDEFINITE, NullUserPointer(), | |
| 229 NullUserPointer())); | |
| 230 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, | |
| 231 core()->WaitMany(NullUserPointer(), MakeUserPointer(signals), 0, | |
| 232 MOJO_DEADLINE_INDEFINITE, NullUserPointer(), | |
| 233 NullUserPointer())); | |
| 234 // If |num_handles| is invalid, it should leave |result_index| and | |
| 235 // |signals_states| alone. | |
| 236 // (We use -1 internally; make sure that doesn't leak.) | |
| 237 uint32_t result_index = 123; | |
| 238 MojoHandleSignalsState hss = kFullMojoHandleSignalsState; | |
| 239 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, | |
| 240 core()->WaitMany(NullUserPointer(), MakeUserPointer(signals), 0, | |
| 241 MOJO_DEADLINE_INDEFINITE, | |
| 242 MakeUserPointer(&result_index), | |
| 243 MakeUserPointer(&hss))); | |
| 244 EXPECT_EQ(123u, result_index); | |
| 245 EXPECT_EQ(kFullMojoHandleSignalsState.satisfied_signals, | |
| 246 hss.satisfied_signals); | |
| 247 EXPECT_EQ(kFullMojoHandleSignalsState.satisfiable_signals, | |
| 248 hss.satisfiable_signals); | |
| 249 | |
| 250 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, | |
| 251 core()->WaitMany(MakeUserPointer(handles), NullUserPointer(), 0, | |
| 252 MOJO_DEADLINE_INDEFINITE, NullUserPointer(), | |
| 253 NullUserPointer())); | |
| 254 EXPECT_EQ( | |
| 255 MOJO_RESULT_INVALID_ARGUMENT, | |
| 256 core()->WaitMany(MakeUserPointer(handles), MakeUserPointer(signals), 1, | |
| 257 MOJO_DEADLINE_INDEFINITE, NullUserPointer(), | |
| 258 NullUserPointer())); | |
| 259 // But if a handle is bad, then it should set |result_index| but still leave | |
| 260 // |signals_states| alone. | |
| 261 result_index = static_cast<uint32_t>(-1); | |
| 262 hss = kFullMojoHandleSignalsState; | |
| 263 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, | |
| 264 core()->WaitMany( | |
| 265 MakeUserPointer(handles), MakeUserPointer(signals), 1, | |
| 266 MOJO_DEADLINE_INDEFINITE, MakeUserPointer(&result_index), | |
| 267 MakeUserPointer(&hss))); | |
| 268 EXPECT_EQ(0u, result_index); | |
| 269 EXPECT_EQ(kFullMojoHandleSignalsState.satisfied_signals, | |
| 270 hss.satisfied_signals); | |
| 271 EXPECT_EQ(kFullMojoHandleSignalsState.satisfiable_signals, | |
| 272 hss.satisfiable_signals); | |
| 273 | |
| 274 MockHandleInfo info[2]; | |
| 275 handles[0] = CreateMockHandle(&info[0]); | |
| 276 | |
| 277 result_index = static_cast<uint32_t>(-1); | |
| 278 hss = kFullMojoHandleSignalsState; | |
| 279 EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION, | |
| 280 core()->WaitMany( | |
| 281 MakeUserPointer(handles), MakeUserPointer(signals), 1, | |
| 282 MOJO_DEADLINE_INDEFINITE, MakeUserPointer(&result_index), | |
| 283 MakeUserPointer(&hss))); | |
| 284 EXPECT_EQ(0u, result_index); | |
| 285 EXPECT_EQ(0u, hss.satisfied_signals); | |
| 286 EXPECT_EQ(0u, hss.satisfiable_signals); | |
| 287 | |
| 288 // On invalid argument, it'll leave |signals_states| alone. | |
| 289 result_index = static_cast<uint32_t>(-1); | |
| 290 hss = kFullMojoHandleSignalsState; | |
| 291 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, | |
| 292 core()->WaitMany( | |
| 293 MakeUserPointer(handles), MakeUserPointer(signals), 2, | |
| 294 MOJO_DEADLINE_INDEFINITE, MakeUserPointer(&result_index), | |
| 295 MakeUserPointer(&hss))); | |
| 296 EXPECT_EQ(1u, result_index); | |
| 297 EXPECT_EQ(kFullMojoHandleSignalsState.satisfied_signals, | |
| 298 hss.satisfied_signals); | |
| 299 EXPECT_EQ(kFullMojoHandleSignalsState.satisfiable_signals, | |
| 300 hss.satisfiable_signals); | |
| 301 handles[1] = handles[0] + 1; // Invalid handle. | |
| 302 EXPECT_EQ( | |
| 303 MOJO_RESULT_INVALID_ARGUMENT, | |
| 304 core()->WaitMany(MakeUserPointer(handles), MakeUserPointer(signals), 2, | |
| 305 MOJO_DEADLINE_INDEFINITE, NullUserPointer(), | |
| 306 NullUserPointer())); | |
| 307 handles[1] = CreateMockHandle(&info[1]); | |
| 308 EXPECT_EQ( | |
| 309 MOJO_RESULT_FAILED_PRECONDITION, | |
| 310 core()->WaitMany(MakeUserPointer(handles), MakeUserPointer(signals), 2, | |
| 311 MOJO_DEADLINE_INDEFINITE, NullUserPointer(), | |
| 312 NullUserPointer())); | |
| 313 | |
| 314 // TODO(vtl): Test one where we get "failed precondition" only for the | |
| 315 // second handle (and the first one is valid to wait on). | |
| 316 | |
| 317 EXPECT_EQ(MOJO_RESULT_OK, core()->Close(handles[0])); | |
| 318 EXPECT_EQ(MOJO_RESULT_OK, core()->Close(handles[1])); | |
| 319 } | |
| 320 | |
| 321 // |CreateMessagePipe()|: Nothing to check (apart from things that cause | |
| 322 // death). | |
| 323 | |
| 324 // |WriteMessage()|: | |
| 325 // Only check arguments checked by |Core|, namely |handle|, |handles|, and | |
| 326 // |num_handles|. | |
| 327 { | |
| 328 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, | |
| 329 core()->WriteMessage(MOJO_HANDLE_INVALID, NullUserPointer(), 0, | |
| 330 NullUserPointer(), 0, | |
| 331 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 332 | |
| 333 MockHandleInfo info; | |
| 334 MojoHandle h = CreateMockHandle(&info); | |
| 335 MojoHandle handles[2] = {MOJO_HANDLE_INVALID, MOJO_HANDLE_INVALID}; | |
| 336 | |
| 337 // Huge handle count (implausibly big on some systems -- more than can be | |
| 338 // stored in a 32-bit address space). | |
| 339 // Note: This may return either |MOJO_RESULT_INVALID_ARGUMENT| or | |
| 340 // |MOJO_RESULT_RESOURCE_EXHAUSTED|, depending on whether it's plausible or | |
| 341 // not. | |
| 342 EXPECT_NE( | |
| 343 MOJO_RESULT_OK, | |
| 344 core()->WriteMessage(h, NullUserPointer(), 0, MakeUserPointer(handles), | |
| 345 std::numeric_limits<uint32_t>::max(), | |
| 346 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 347 EXPECT_EQ(0u, info.GetWriteMessageCallCount()); | |
| 348 | |
| 349 // Huge handle count (plausibly big). | |
| 350 EXPECT_EQ(MOJO_RESULT_RESOURCE_EXHAUSTED, | |
| 351 core()->WriteMessage( | |
| 352 h, NullUserPointer(), 0, MakeUserPointer(handles), | |
| 353 std::numeric_limits<uint32_t>::max() / sizeof(handles[0]), | |
| 354 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 355 EXPECT_EQ(0u, info.GetWriteMessageCallCount()); | |
| 356 | |
| 357 // Invalid handle in |handles|. | |
| 358 EXPECT_EQ( | |
| 359 MOJO_RESULT_INVALID_ARGUMENT, | |
| 360 core()->WriteMessage(h, NullUserPointer(), 0, MakeUserPointer(handles), | |
| 361 1, MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 362 EXPECT_EQ(0u, info.GetWriteMessageCallCount()); | |
| 363 | |
| 364 // Two invalid handles in |handles|. | |
| 365 EXPECT_EQ( | |
| 366 MOJO_RESULT_INVALID_ARGUMENT, | |
| 367 core()->WriteMessage(h, NullUserPointer(), 0, MakeUserPointer(handles), | |
| 368 2, MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 369 EXPECT_EQ(0u, info.GetWriteMessageCallCount()); | |
| 370 | |
| 371 // Can't send a handle over itself. | |
| 372 handles[0] = h; | |
| 373 EXPECT_EQ( | |
| 374 MOJO_RESULT_BUSY, | |
| 375 core()->WriteMessage(h, NullUserPointer(), 0, MakeUserPointer(handles), | |
| 376 1, MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 377 EXPECT_EQ(0u, info.GetWriteMessageCallCount()); | |
| 378 | |
| 379 MockHandleInfo info2; | |
| 380 MojoHandle h2 = CreateMockHandle(&info2); | |
| 381 | |
| 382 // This is "okay", but |MockDispatcher| doesn't implement it. | |
| 383 handles[0] = h2; | |
| 384 EXPECT_EQ( | |
| 385 MOJO_RESULT_UNIMPLEMENTED, | |
| 386 core()->WriteMessage(h, NullUserPointer(), 0, MakeUserPointer(handles), | |
| 387 1, MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 388 EXPECT_EQ(1u, info.GetWriteMessageCallCount()); | |
| 389 | |
| 390 // One of the |handles| is still invalid. | |
| 391 EXPECT_EQ( | |
| 392 MOJO_RESULT_INVALID_ARGUMENT, | |
| 393 core()->WriteMessage(h, NullUserPointer(), 0, MakeUserPointer(handles), | |
| 394 2, MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 395 EXPECT_EQ(1u, info.GetWriteMessageCallCount()); | |
| 396 | |
| 397 // One of the |handles| is the same as |handle|. | |
| 398 handles[1] = h; | |
| 399 EXPECT_EQ( | |
| 400 MOJO_RESULT_BUSY, | |
| 401 core()->WriteMessage(h, NullUserPointer(), 0, MakeUserPointer(handles), | |
| 402 2, MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 403 EXPECT_EQ(1u, info.GetWriteMessageCallCount()); | |
| 404 | |
| 405 // Can't send a handle twice in the same message. | |
| 406 handles[1] = h2; | |
| 407 EXPECT_EQ( | |
| 408 MOJO_RESULT_BUSY, | |
| 409 core()->WriteMessage(h, NullUserPointer(), 0, MakeUserPointer(handles), | |
| 410 2, MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 411 EXPECT_EQ(1u, info.GetWriteMessageCallCount()); | |
| 412 | |
| 413 // Note: Since we never successfully sent anything with it, |h2| should | |
| 414 // still be valid. | |
| 415 EXPECT_EQ(MOJO_RESULT_OK, core()->Close(h2)); | |
| 416 | |
| 417 EXPECT_EQ(MOJO_RESULT_OK, core()->Close(h)); | |
| 418 } | |
| 419 | |
| 420 // |ReadMessage()|: | |
| 421 // Only check arguments checked by |Core|, namely |handle|, |handles|, and | |
| 422 // |num_handles|. | |
| 423 { | |
| 424 EXPECT_EQ( | |
| 425 MOJO_RESULT_INVALID_ARGUMENT, | |
| 426 core()->ReadMessage(MOJO_HANDLE_INVALID, NullUserPointer(), | |
| 427 NullUserPointer(), NullUserPointer(), | |
| 428 NullUserPointer(), MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 429 | |
| 430 MockHandleInfo info; | |
| 431 MojoHandle h = CreateMockHandle(&info); | |
| 432 | |
| 433 // Okay. | |
| 434 uint32_t handle_count = 0; | |
| 435 EXPECT_EQ(MOJO_RESULT_OK, | |
| 436 core()->ReadMessage( | |
| 437 h, NullUserPointer(), NullUserPointer(), NullUserPointer(), | |
| 438 MakeUserPointer(&handle_count), MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 439 // Checked by |Core|, shouldn't go through to the dispatcher. | |
| 440 EXPECT_EQ(1u, info.GetReadMessageCallCount()); | |
| 441 | |
| 442 EXPECT_EQ(MOJO_RESULT_OK, core()->Close(h)); | |
| 443 } | |
| 444 } | |
| 445 | |
| 446 // These test invalid arguments that should cause death if we're being paranoid | |
| 447 // about checking arguments (which we would want to do if, e.g., we were in a | |
| 448 // true "kernel" situation, but we might not want to do otherwise for | |
| 449 // performance reasons). Probably blatant errors like passing in null pointers | |
| 450 // (for required pointer arguments) will still cause death, but perhaps not | |
| 451 // predictably. | |
| 452 TEST_F(CoreTest, InvalidArgumentsDeath) { | |
| 453 const char kMemoryCheckFailedRegex[] = "Check failed"; | |
| 454 | |
| 455 // |WaitMany()|: | |
| 456 { | |
| 457 MojoHandle handle = MOJO_HANDLE_INVALID; | |
| 458 MojoHandleSignals signals = ~MOJO_HANDLE_SIGNAL_NONE; | |
| 459 EXPECT_DEATH_IF_SUPPORTED( | |
| 460 core()->WaitMany(NullUserPointer(), MakeUserPointer(&signals), 1, | |
| 461 MOJO_DEADLINE_INDEFINITE, NullUserPointer(), | |
| 462 NullUserPointer()), | |
| 463 kMemoryCheckFailedRegex); | |
| 464 EXPECT_DEATH_IF_SUPPORTED( | |
| 465 core()->WaitMany(MakeUserPointer(&handle), NullUserPointer(), 1, | |
| 466 MOJO_DEADLINE_INDEFINITE, NullUserPointer(), | |
| 467 NullUserPointer()), | |
| 468 kMemoryCheckFailedRegex); | |
| 469 // TODO(vtl): |result_index| and |signals_states| are optional. Test them | |
| 470 // with non-null invalid pointers? | |
| 471 } | |
| 472 | |
| 473 // |CreateMessagePipe()|: | |
| 474 { | |
| 475 MojoHandle h; | |
| 476 EXPECT_DEATH_IF_SUPPORTED( | |
| 477 core()->CreateMessagePipe(NullUserPointer(), NullUserPointer(), | |
| 478 NullUserPointer()), | |
| 479 kMemoryCheckFailedRegex); | |
| 480 EXPECT_DEATH_IF_SUPPORTED( | |
| 481 core()->CreateMessagePipe(NullUserPointer(), MakeUserPointer(&h), | |
| 482 NullUserPointer()), | |
| 483 kMemoryCheckFailedRegex); | |
| 484 EXPECT_DEATH_IF_SUPPORTED( | |
| 485 core()->CreateMessagePipe(NullUserPointer(), NullUserPointer(), | |
| 486 MakeUserPointer(&h)), | |
| 487 kMemoryCheckFailedRegex); | |
| 488 } | |
| 489 | |
| 490 // |WriteMessage()|: | |
| 491 // Only check arguments checked by |Core|, namely |handle|, |handles|, and | |
| 492 // |num_handles|. | |
| 493 { | |
| 494 MockHandleInfo info; | |
| 495 MojoHandle h = CreateMockHandle(&info); | |
| 496 | |
| 497 // Null |handles| with nonzero |num_handles|. | |
| 498 EXPECT_DEATH_IF_SUPPORTED( | |
| 499 core()->WriteMessage(h, NullUserPointer(), 0, NullUserPointer(), 1, | |
| 500 MOJO_WRITE_MESSAGE_FLAG_NONE), | |
| 501 kMemoryCheckFailedRegex); | |
| 502 | |
| 503 EXPECT_EQ(MOJO_RESULT_OK, core()->Close(h)); | |
| 504 } | |
| 505 | |
| 506 // |ReadMessage()|: | |
| 507 // Only check arguments checked by |Core|, namely |handle|, |handles|, and | |
| 508 // |num_handles|. | |
| 509 { | |
| 510 MockHandleInfo info; | |
| 511 MojoHandle h = CreateMockHandle(&info); | |
| 512 | |
| 513 uint32_t handle_count = 1; | |
| 514 EXPECT_DEATH_IF_SUPPORTED( | |
| 515 core()->ReadMessage(h, NullUserPointer(), NullUserPointer(), | |
| 516 NullUserPointer(), MakeUserPointer(&handle_count), | |
| 517 MOJO_READ_MESSAGE_FLAG_NONE), | |
| 518 kMemoryCheckFailedRegex); | |
| 519 | |
| 520 EXPECT_EQ(MOJO_RESULT_OK, core()->Close(h)); | |
| 521 } | |
| 522 } | |
| 523 | |
| 524 // TODO(vtl): test |Wait()| and |WaitMany()| properly | |
| 525 // - including |WaitMany()| with the same handle more than once (with | |
| 526 // same/different signals) | |
| 527 | |
| 528 TEST_F(CoreTest, MessagePipe) { | |
| 529 MojoHandle h[2]; | |
| 530 MojoHandleSignalsState hss[2]; | |
| 531 uint32_t result_index; | |
| 532 | |
| 533 EXPECT_EQ(MOJO_RESULT_OK, | |
| 534 core()->CreateMessagePipe(NullUserPointer(), MakeUserPointer(&h[0]), | |
| 535 MakeUserPointer(&h[1]))); | |
| 536 // Should get two distinct, valid handles. | |
| 537 EXPECT_NE(h[0], MOJO_HANDLE_INVALID); | |
| 538 EXPECT_NE(h[1], MOJO_HANDLE_INVALID); | |
| 539 EXPECT_NE(h[0], h[1]); | |
| 540 | |
| 541 // Neither should be readable. | |
| 542 MojoHandleSignals signals[2] = {MOJO_HANDLE_SIGNAL_READABLE, | |
| 543 MOJO_HANDLE_SIGNAL_READABLE}; | |
| 544 result_index = static_cast<uint32_t>(-1); | |
| 545 hss[0] = kEmptyMojoHandleSignalsState; | |
| 546 hss[1] = kEmptyMojoHandleSignalsState; | |
| 547 EXPECT_EQ( | |
| 548 MOJO_RESULT_DEADLINE_EXCEEDED, | |
| 549 core()->WaitMany(MakeUserPointer(h), MakeUserPointer(signals), 2, 0, | |
| 550 MakeUserPointer(&result_index), MakeUserPointer(hss))); | |
| 551 EXPECT_EQ(static_cast<uint32_t>(-1), result_index); | |
| 552 EXPECT_EQ(MOJO_HANDLE_SIGNAL_WRITABLE, hss[0].satisfied_signals); | |
| 553 EXPECT_EQ(kAllSignals, hss[0].satisfiable_signals); | |
| 554 EXPECT_EQ(MOJO_HANDLE_SIGNAL_WRITABLE, hss[1].satisfied_signals); | |
| 555 EXPECT_EQ(kAllSignals, hss[1].satisfiable_signals); | |
| 556 | |
| 557 // Try to read anyway. | |
| 558 char buffer[1] = {'a'}; | |
| 559 uint32_t buffer_size = 1; | |
| 560 EXPECT_EQ( | |
| 561 MOJO_RESULT_SHOULD_WAIT, | |
| 562 core()->ReadMessage(h[0], UserPointer<void>(buffer), | |
| 563 MakeUserPointer(&buffer_size), NullUserPointer(), | |
| 564 NullUserPointer(), MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 565 // Check that it left its inputs alone. | |
| 566 EXPECT_EQ('a', buffer[0]); | |
| 567 EXPECT_EQ(1u, buffer_size); | |
| 568 | |
| 569 // Both should be writable. | |
| 570 hss[0] = kEmptyMojoHandleSignalsState; | |
| 571 EXPECT_EQ(MOJO_RESULT_OK, core()->Wait(h[0], MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 572 1000000000, MakeUserPointer(&hss[0]))); | |
| 573 EXPECT_EQ(MOJO_HANDLE_SIGNAL_WRITABLE, hss[0].satisfied_signals); | |
| 574 EXPECT_EQ(kAllSignals, hss[0].satisfiable_signals); | |
| 575 hss[0] = kEmptyMojoHandleSignalsState; | |
| 576 EXPECT_EQ(MOJO_RESULT_OK, core()->Wait(h[1], MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 577 1000000000, MakeUserPointer(&hss[0]))); | |
| 578 EXPECT_EQ(MOJO_HANDLE_SIGNAL_WRITABLE, hss[0].satisfied_signals); | |
| 579 EXPECT_EQ(kAllSignals, hss[0].satisfiable_signals); | |
| 580 | |
| 581 // Also check that |h[1]| is writable using |WaitMany()|. | |
| 582 signals[0] = MOJO_HANDLE_SIGNAL_READABLE; | |
| 583 signals[1] = MOJO_HANDLE_SIGNAL_WRITABLE; | |
| 584 result_index = static_cast<uint32_t>(-1); | |
| 585 hss[0] = kEmptyMojoHandleSignalsState; | |
| 586 hss[1] = kEmptyMojoHandleSignalsState; | |
| 587 EXPECT_EQ( | |
| 588 MOJO_RESULT_OK, | |
| 589 core()->WaitMany(MakeUserPointer(h), MakeUserPointer(signals), 2, | |
| 590 MOJO_DEADLINE_INDEFINITE, MakeUserPointer(&result_index), | |
| 591 MakeUserPointer(hss))); | |
| 592 EXPECT_EQ(1u, result_index); | |
| 593 EXPECT_EQ(MOJO_HANDLE_SIGNAL_WRITABLE, hss[0].satisfied_signals); | |
| 594 EXPECT_EQ(kAllSignals, hss[0].satisfiable_signals); | |
| 595 EXPECT_EQ(MOJO_HANDLE_SIGNAL_WRITABLE, hss[1].satisfied_signals); | |
| 596 EXPECT_EQ(kAllSignals, hss[1].satisfiable_signals); | |
| 597 | |
| 598 // Write to |h[1]|. | |
| 599 buffer[0] = 'b'; | |
| 600 EXPECT_EQ( | |
| 601 MOJO_RESULT_OK, | |
| 602 core()->WriteMessage(h[1], UserPointer<const void>(buffer), 1, | |
| 603 NullUserPointer(), 0, MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 604 | |
| 605 // Check that |h[0]| is now readable. | |
| 606 signals[0] = MOJO_HANDLE_SIGNAL_READABLE; | |
| 607 signals[1] = MOJO_HANDLE_SIGNAL_READABLE; | |
| 608 result_index = static_cast<uint32_t>(-1); | |
| 609 hss[0] = kEmptyMojoHandleSignalsState; | |
| 610 hss[1] = kEmptyMojoHandleSignalsState; | |
| 611 EXPECT_EQ( | |
| 612 MOJO_RESULT_OK, | |
| 613 core()->WaitMany(MakeUserPointer(h), MakeUserPointer(signals), 2, | |
| 614 MOJO_DEADLINE_INDEFINITE, MakeUserPointer(&result_index), | |
| 615 MakeUserPointer(hss))); | |
| 616 EXPECT_EQ(0u, result_index); | |
| 617 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 618 hss[0].satisfied_signals); | |
| 619 EXPECT_EQ(kAllSignals, hss[0].satisfiable_signals); | |
| 620 EXPECT_EQ(MOJO_HANDLE_SIGNAL_WRITABLE, hss[1].satisfied_signals); | |
| 621 EXPECT_EQ(kAllSignals, hss[1].satisfiable_signals); | |
| 622 | |
| 623 // Read from |h[0]|. | |
| 624 // First, get only the size. | |
| 625 buffer_size = 0; | |
| 626 EXPECT_EQ( | |
| 627 MOJO_RESULT_RESOURCE_EXHAUSTED, | |
| 628 core()->ReadMessage(h[0], NullUserPointer(), | |
| 629 MakeUserPointer(&buffer_size), NullUserPointer(), | |
| 630 NullUserPointer(), MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 631 EXPECT_EQ(1u, buffer_size); | |
| 632 // Then actually read it. | |
| 633 buffer[0] = 'c'; | |
| 634 buffer_size = 1; | |
| 635 EXPECT_EQ( | |
| 636 MOJO_RESULT_OK, | |
| 637 core()->ReadMessage(h[0], UserPointer<void>(buffer), | |
| 638 MakeUserPointer(&buffer_size), NullUserPointer(), | |
| 639 NullUserPointer(), MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 640 EXPECT_EQ('b', buffer[0]); | |
| 641 EXPECT_EQ(1u, buffer_size); | |
| 642 | |
| 643 // |h[0]| should no longer be readable. | |
| 644 hss[0] = kEmptyMojoHandleSignalsState; | |
| 645 EXPECT_EQ(MOJO_RESULT_DEADLINE_EXCEEDED, | |
| 646 core()->Wait(h[0], MOJO_HANDLE_SIGNAL_READABLE, 0, | |
| 647 MakeUserPointer(&hss[0]))); | |
| 648 EXPECT_EQ(MOJO_HANDLE_SIGNAL_WRITABLE, hss[0].satisfied_signals); | |
| 649 EXPECT_EQ(kAllSignals, hss[0].satisfiable_signals); | |
| 650 | |
| 651 // Write to |h[0]|. | |
| 652 buffer[0] = 'd'; | |
| 653 EXPECT_EQ( | |
| 654 MOJO_RESULT_OK, | |
| 655 core()->WriteMessage(h[0], UserPointer<const void>(buffer), 1, | |
| 656 NullUserPointer(), 0, MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 657 | |
| 658 // Close |h[0]|. | |
| 659 EXPECT_EQ(MOJO_RESULT_OK, core()->Close(h[0])); | |
| 660 | |
| 661 // Check that |h[1]| is no longer writable (and will never be). | |
| 662 hss[0] = kEmptyMojoHandleSignalsState; | |
| 663 EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION, | |
| 664 core()->Wait(h[1], MOJO_HANDLE_SIGNAL_WRITABLE, 1000000000, | |
| 665 MakeUserPointer(&hss[0]))); | |
| 666 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_PEER_CLOSED, | |
| 667 hss[0].satisfied_signals); | |
| 668 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_PEER_CLOSED, | |
| 669 hss[0].satisfiable_signals); | |
| 670 | |
| 671 // Check that |h[1]| is still readable (for the moment). | |
| 672 hss[0] = kEmptyMojoHandleSignalsState; | |
| 673 EXPECT_EQ(MOJO_RESULT_OK, core()->Wait(h[1], MOJO_HANDLE_SIGNAL_READABLE, | |
| 674 1000000000, MakeUserPointer(&hss[0]))); | |
| 675 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_PEER_CLOSED, | |
| 676 hss[0].satisfied_signals); | |
| 677 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_PEER_CLOSED, | |
| 678 hss[0].satisfiable_signals); | |
| 679 | |
| 680 // Discard a message from |h[1]|. | |
| 681 EXPECT_EQ(MOJO_RESULT_RESOURCE_EXHAUSTED, | |
| 682 core()->ReadMessage(h[1], NullUserPointer(), NullUserPointer(), | |
| 683 NullUserPointer(), NullUserPointer(), | |
| 684 MOJO_READ_MESSAGE_FLAG_MAY_DISCARD)); | |
| 685 | |
| 686 // |h[1]| is no longer readable (and will never be). | |
| 687 hss[0] = kFullMojoHandleSignalsState; | |
| 688 EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION, | |
| 689 core()->Wait(h[1], MOJO_HANDLE_SIGNAL_READABLE, 1000000000, | |
| 690 MakeUserPointer(&hss[0]))); | |
| 691 EXPECT_EQ(MOJO_HANDLE_SIGNAL_PEER_CLOSED, hss[0].satisfied_signals); | |
| 692 EXPECT_EQ(MOJO_HANDLE_SIGNAL_PEER_CLOSED, hss[0].satisfiable_signals); | |
| 693 | |
| 694 // Try writing to |h[1]|. | |
| 695 buffer[0] = 'e'; | |
| 696 EXPECT_EQ( | |
| 697 MOJO_RESULT_FAILED_PRECONDITION, | |
| 698 core()->WriteMessage(h[1], UserPointer<const void>(buffer), 1, | |
| 699 NullUserPointer(), 0, MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 700 | |
| 701 EXPECT_EQ(MOJO_RESULT_OK, core()->Close(h[1])); | |
| 702 } | |
| 703 | |
| 704 // Tests passing a message pipe handle. | |
| 705 TEST_F(CoreTest, MessagePipeBasicLocalHandlePassing1) { | |
| 706 const char kHello[] = "hello"; | |
| 707 const uint32_t kHelloSize = static_cast<uint32_t>(sizeof(kHello)); | |
| 708 const char kWorld[] = "world!!!"; | |
| 709 const uint32_t kWorldSize = static_cast<uint32_t>(sizeof(kWorld)); | |
| 710 char buffer[100]; | |
| 711 const uint32_t kBufferSize = static_cast<uint32_t>(sizeof(buffer)); | |
| 712 uint32_t num_bytes; | |
| 713 MojoHandle handles[10]; | |
| 714 uint32_t num_handles; | |
| 715 MojoHandleSignalsState hss; | |
| 716 MojoHandle h_received; | |
| 717 | |
| 718 MojoHandle h_passing[2]; | |
| 719 EXPECT_EQ(MOJO_RESULT_OK, | |
| 720 core()->CreateMessagePipe(NullUserPointer(), | |
| 721 MakeUserPointer(&h_passing[0]), | |
| 722 MakeUserPointer(&h_passing[1]))); | |
| 723 | |
| 724 // Make sure that |h_passing[]| work properly. | |
| 725 EXPECT_EQ(MOJO_RESULT_OK, | |
| 726 core()->WriteMessage(h_passing[0], UserPointer<const void>(kHello), | |
| 727 kHelloSize, NullUserPointer(), 0, | |
| 728 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 729 hss = kEmptyMojoHandleSignalsState; | |
| 730 EXPECT_EQ(MOJO_RESULT_OK, | |
| 731 core()->Wait(h_passing[1], MOJO_HANDLE_SIGNAL_READABLE, 1000000000, | |
| 732 MakeUserPointer(&hss))); | |
| 733 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 734 hss.satisfied_signals); | |
| 735 EXPECT_EQ(kAllSignals, hss.satisfiable_signals); | |
| 736 num_bytes = kBufferSize; | |
| 737 num_handles = arraysize(handles); | |
| 738 EXPECT_EQ(MOJO_RESULT_OK, | |
| 739 core()->ReadMessage( | |
| 740 h_passing[1], UserPointer<void>(buffer), | |
| 741 MakeUserPointer(&num_bytes), MakeUserPointer(handles), | |
| 742 MakeUserPointer(&num_handles), MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 743 EXPECT_EQ(kHelloSize, num_bytes); | |
| 744 EXPECT_STREQ(kHello, buffer); | |
| 745 EXPECT_EQ(0u, num_handles); | |
| 746 | |
| 747 // Make sure that you can't pass either of the message pipe's handles over | |
| 748 // itself. | |
| 749 EXPECT_EQ(MOJO_RESULT_BUSY, | |
| 750 core()->WriteMessage(h_passing[0], UserPointer<const void>(kHello), | |
| 751 kHelloSize, MakeUserPointer(&h_passing[0]), 1, | |
| 752 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 753 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, | |
| 754 core()->WriteMessage(h_passing[0], UserPointer<const void>(kHello), | |
| 755 kHelloSize, MakeUserPointer(&h_passing[1]), 1, | |
| 756 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 757 | |
| 758 MojoHandle h_passed[2]; | |
| 759 EXPECT_EQ(MOJO_RESULT_OK, | |
| 760 core()->CreateMessagePipe(NullUserPointer(), | |
| 761 MakeUserPointer(&h_passed[0]), | |
| 762 MakeUserPointer(&h_passed[1]))); | |
| 763 | |
| 764 // Make sure that |h_passed[]| work properly. | |
| 765 EXPECT_EQ(MOJO_RESULT_OK, | |
| 766 core()->WriteMessage(h_passed[0], UserPointer<const void>(kHello), | |
| 767 kHelloSize, NullUserPointer(), 0, | |
| 768 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 769 hss = kEmptyMojoHandleSignalsState; | |
| 770 EXPECT_EQ(MOJO_RESULT_OK, | |
| 771 core()->Wait(h_passed[1], MOJO_HANDLE_SIGNAL_READABLE, 1000000000, | |
| 772 MakeUserPointer(&hss))); | |
| 773 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 774 hss.satisfied_signals); | |
| 775 EXPECT_EQ(kAllSignals, hss.satisfiable_signals); | |
| 776 num_bytes = kBufferSize; | |
| 777 num_handles = arraysize(handles); | |
| 778 EXPECT_EQ(MOJO_RESULT_OK, | |
| 779 core()->ReadMessage( | |
| 780 h_passed[1], UserPointer<void>(buffer), | |
| 781 MakeUserPointer(&num_bytes), MakeUserPointer(handles), | |
| 782 MakeUserPointer(&num_handles), MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 783 EXPECT_EQ(kHelloSize, num_bytes); | |
| 784 EXPECT_STREQ(kHello, buffer); | |
| 785 EXPECT_EQ(0u, num_handles); | |
| 786 | |
| 787 // Send |h_passed[1]| from |h_passing[0]| to |h_passing[1]|. | |
| 788 EXPECT_EQ(MOJO_RESULT_OK, | |
| 789 core()->WriteMessage(h_passing[0], UserPointer<const void>(kWorld), | |
| 790 kWorldSize, MakeUserPointer(&h_passed[1]), 1, | |
| 791 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 792 hss = kEmptyMojoHandleSignalsState; | |
| 793 EXPECT_EQ(MOJO_RESULT_OK, | |
| 794 core()->Wait(h_passing[1], MOJO_HANDLE_SIGNAL_READABLE, 1000000000, | |
| 795 MakeUserPointer(&hss))); | |
| 796 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 797 hss.satisfied_signals); | |
| 798 EXPECT_EQ(kAllSignals, hss.satisfiable_signals); | |
| 799 num_bytes = kBufferSize; | |
| 800 num_handles = arraysize(handles); | |
| 801 EXPECT_EQ(MOJO_RESULT_OK, | |
| 802 core()->ReadMessage( | |
| 803 h_passing[1], UserPointer<void>(buffer), | |
| 804 MakeUserPointer(&num_bytes), MakeUserPointer(handles), | |
| 805 MakeUserPointer(&num_handles), MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 806 EXPECT_EQ(kWorldSize, num_bytes); | |
| 807 EXPECT_STREQ(kWorld, buffer); | |
| 808 EXPECT_EQ(1u, num_handles); | |
| 809 h_received = handles[0]; | |
| 810 EXPECT_NE(h_received, MOJO_HANDLE_INVALID); | |
| 811 EXPECT_NE(h_received, h_passing[0]); | |
| 812 EXPECT_NE(h_received, h_passing[1]); | |
| 813 EXPECT_NE(h_received, h_passed[0]); | |
| 814 | |
| 815 // Note: We rely on the Mojo system not re-using handle values very often. | |
| 816 EXPECT_NE(h_received, h_passed[1]); | |
| 817 | |
| 818 // |h_passed[1]| should no longer be valid; check that trying to close it | |
| 819 // fails. See above note. | |
| 820 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, core()->Close(h_passed[1])); | |
| 821 | |
| 822 // Write to |h_passed[0]|. Should receive on |h_received|. | |
| 823 EXPECT_EQ(MOJO_RESULT_OK, | |
| 824 core()->WriteMessage(h_passed[0], UserPointer<const void>(kHello), | |
| 825 kHelloSize, NullUserPointer(), 0, | |
| 826 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 827 hss = kEmptyMojoHandleSignalsState; | |
| 828 EXPECT_EQ(MOJO_RESULT_OK, | |
| 829 core()->Wait(h_received, MOJO_HANDLE_SIGNAL_READABLE, 1000000000, | |
| 830 MakeUserPointer(&hss))); | |
| 831 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 832 hss.satisfied_signals); | |
| 833 EXPECT_EQ(kAllSignals, hss.satisfiable_signals); | |
| 834 num_bytes = kBufferSize; | |
| 835 num_handles = arraysize(handles); | |
| 836 EXPECT_EQ(MOJO_RESULT_OK, | |
| 837 core()->ReadMessage( | |
| 838 h_received, UserPointer<void>(buffer), | |
| 839 MakeUserPointer(&num_bytes), MakeUserPointer(handles), | |
| 840 MakeUserPointer(&num_handles), MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 841 EXPECT_EQ(kHelloSize, num_bytes); | |
| 842 EXPECT_STREQ(kHello, buffer); | |
| 843 EXPECT_EQ(0u, num_handles); | |
| 844 | |
| 845 EXPECT_EQ(MOJO_RESULT_OK, core()->Close(h_passing[0])); | |
| 846 EXPECT_EQ(MOJO_RESULT_OK, core()->Close(h_passing[1])); | |
| 847 EXPECT_EQ(MOJO_RESULT_OK, core()->Close(h_passed[0])); | |
| 848 EXPECT_EQ(MOJO_RESULT_OK, core()->Close(h_received)); | |
| 849 } | |
| 850 | |
| 851 TEST_F(CoreTest, DataPipe) { | |
| 852 MojoHandle ph, ch; // p is for producer and c is for consumer. | |
| 853 MojoHandleSignalsState hss; | |
| 854 | |
| 855 EXPECT_EQ(MOJO_RESULT_OK, | |
| 856 core()->CreateDataPipe(NullUserPointer(), MakeUserPointer(&ph), | |
| 857 MakeUserPointer(&ch))); | |
| 858 // Should get two distinct, valid handles. | |
| 859 EXPECT_NE(ph, MOJO_HANDLE_INVALID); | |
| 860 EXPECT_NE(ch, MOJO_HANDLE_INVALID); | |
| 861 EXPECT_NE(ph, ch); | |
| 862 | |
| 863 // Producer should be never-readable, but already writable. | |
| 864 hss = kEmptyMojoHandleSignalsState; | |
| 865 EXPECT_EQ( | |
| 866 MOJO_RESULT_FAILED_PRECONDITION, | |
| 867 core()->Wait(ph, MOJO_HANDLE_SIGNAL_READABLE, 0, MakeUserPointer(&hss))); | |
| 868 EXPECT_EQ(MOJO_HANDLE_SIGNAL_WRITABLE, hss.satisfied_signals); | |
| 869 EXPECT_EQ(MOJO_HANDLE_SIGNAL_WRITABLE | MOJO_HANDLE_SIGNAL_PEER_CLOSED, | |
| 870 hss.satisfiable_signals); | |
| 871 hss = kEmptyMojoHandleSignalsState; | |
| 872 EXPECT_EQ(MOJO_RESULT_OK, core()->Wait(ph, MOJO_HANDLE_SIGNAL_WRITABLE, 0, | |
| 873 MakeUserPointer(&hss))); | |
| 874 EXPECT_EQ(MOJO_HANDLE_SIGNAL_WRITABLE, hss.satisfied_signals); | |
| 875 EXPECT_EQ(MOJO_HANDLE_SIGNAL_WRITABLE | MOJO_HANDLE_SIGNAL_PEER_CLOSED, | |
| 876 hss.satisfiable_signals); | |
| 877 | |
| 878 // Consumer should be never-writable, and not yet readable. | |
| 879 hss = kFullMojoHandleSignalsState; | |
| 880 EXPECT_EQ( | |
| 881 MOJO_RESULT_FAILED_PRECONDITION, | |
| 882 core()->Wait(ch, MOJO_HANDLE_SIGNAL_WRITABLE, 0, MakeUserPointer(&hss))); | |
| 883 EXPECT_EQ(0u, hss.satisfied_signals); | |
| 884 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_PEER_CLOSED, | |
| 885 hss.satisfiable_signals); | |
| 886 hss = kFullMojoHandleSignalsState; | |
| 887 EXPECT_EQ( | |
| 888 MOJO_RESULT_DEADLINE_EXCEEDED, | |
| 889 core()->Wait(ch, MOJO_HANDLE_SIGNAL_READABLE, 0, MakeUserPointer(&hss))); | |
| 890 EXPECT_EQ(0u, hss.satisfied_signals); | |
| 891 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_PEER_CLOSED, | |
| 892 hss.satisfiable_signals); | |
| 893 | |
| 894 // Write. | |
| 895 signed char elements[2] = {'A', 'B'}; | |
| 896 uint32_t num_bytes = 2u; | |
| 897 EXPECT_EQ(MOJO_RESULT_OK, | |
| 898 core()->WriteData(ph, UserPointer<const void>(elements), | |
| 899 MakeUserPointer(&num_bytes), | |
| 900 MOJO_WRITE_DATA_FLAG_NONE)); | |
| 901 EXPECT_EQ(2u, num_bytes); | |
| 902 | |
| 903 // Consumer should now be readable. | |
| 904 hss = kEmptyMojoHandleSignalsState; | |
| 905 EXPECT_EQ(MOJO_RESULT_OK, core()->Wait(ch, MOJO_HANDLE_SIGNAL_READABLE, 0, | |
| 906 MakeUserPointer(&hss))); | |
| 907 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE, hss.satisfied_signals); | |
| 908 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_PEER_CLOSED, | |
| 909 hss.satisfiable_signals); | |
| 910 | |
| 911 // Peek one character. | |
| 912 elements[0] = -1; | |
| 913 elements[1] = -1; | |
| 914 num_bytes = 1u; | |
| 915 EXPECT_EQ(MOJO_RESULT_OK, | |
| 916 core()->ReadData( | |
| 917 ch, UserPointer<void>(elements), MakeUserPointer(&num_bytes), | |
| 918 MOJO_READ_DATA_FLAG_NONE | MOJO_READ_DATA_FLAG_PEEK)); | |
| 919 EXPECT_EQ('A', elements[0]); | |
| 920 EXPECT_EQ(-1, elements[1]); | |
| 921 | |
| 922 // Read one character. | |
| 923 elements[0] = -1; | |
| 924 elements[1] = -1; | |
| 925 num_bytes = 1u; | |
| 926 EXPECT_EQ(MOJO_RESULT_OK, core()->ReadData(ch, UserPointer<void>(elements), | |
| 927 MakeUserPointer(&num_bytes), | |
| 928 MOJO_READ_DATA_FLAG_NONE)); | |
| 929 EXPECT_EQ('A', elements[0]); | |
| 930 EXPECT_EQ(-1, elements[1]); | |
| 931 | |
| 932 // Two-phase write. | |
| 933 void* write_ptr = nullptr; | |
| 934 num_bytes = 0u; | |
| 935 ASSERT_EQ(MOJO_RESULT_OK, | |
| 936 core()->BeginWriteData(ph, MakeUserPointer(&write_ptr), | |
| 937 MakeUserPointer(&num_bytes), | |
| 938 MOJO_WRITE_DATA_FLAG_NONE)); | |
| 939 // We count on the default options providing a decent buffer size. | |
| 940 ASSERT_GE(num_bytes, 3u); | |
| 941 | |
| 942 // Trying to do a normal write during a two-phase write should fail. | |
| 943 elements[0] = 'X'; | |
| 944 num_bytes = 1u; | |
| 945 EXPECT_EQ(MOJO_RESULT_BUSY, | |
| 946 core()->WriteData(ph, UserPointer<const void>(elements), | |
| 947 MakeUserPointer(&num_bytes), | |
| 948 MOJO_WRITE_DATA_FLAG_NONE)); | |
| 949 | |
| 950 // Actually write the data, and complete it now. | |
| 951 static_cast<char*>(write_ptr)[0] = 'C'; | |
| 952 static_cast<char*>(write_ptr)[1] = 'D'; | |
| 953 static_cast<char*>(write_ptr)[2] = 'E'; | |
| 954 EXPECT_EQ(MOJO_RESULT_OK, core()->EndWriteData(ph, 3u)); | |
| 955 | |
| 956 // Query how much data we have. | |
| 957 num_bytes = 0; | |
| 958 EXPECT_EQ(MOJO_RESULT_OK, | |
| 959 core()->ReadData(ch, NullUserPointer(), MakeUserPointer(&num_bytes), | |
| 960 MOJO_READ_DATA_FLAG_QUERY)); | |
| 961 EXPECT_EQ(4u, num_bytes); | |
| 962 | |
| 963 // Try to query with peek. Should fail. | |
| 964 num_bytes = 0; | |
| 965 EXPECT_EQ( | |
| 966 MOJO_RESULT_INVALID_ARGUMENT, | |
| 967 core()->ReadData(ch, NullUserPointer(), MakeUserPointer(&num_bytes), | |
| 968 MOJO_READ_DATA_FLAG_QUERY | MOJO_READ_DATA_FLAG_PEEK)); | |
| 969 EXPECT_EQ(0u, num_bytes); | |
| 970 | |
| 971 // Try to discard ten characters, in all-or-none mode. Should fail. | |
| 972 num_bytes = 10; | |
| 973 EXPECT_EQ(MOJO_RESULT_OUT_OF_RANGE, | |
| 974 core()->ReadData( | |
| 975 ch, NullUserPointer(), MakeUserPointer(&num_bytes), | |
| 976 MOJO_READ_DATA_FLAG_DISCARD | MOJO_READ_DATA_FLAG_ALL_OR_NONE)); | |
| 977 | |
| 978 // Try to discard two characters, in peek mode. Should fail. | |
| 979 num_bytes = 2; | |
| 980 EXPECT_EQ( | |
| 981 MOJO_RESULT_INVALID_ARGUMENT, | |
| 982 core()->ReadData(ch, NullUserPointer(), MakeUserPointer(&num_bytes), | |
| 983 MOJO_READ_DATA_FLAG_DISCARD | MOJO_READ_DATA_FLAG_PEEK)); | |
| 984 | |
| 985 // Discard two characters. | |
| 986 num_bytes = 2; | |
| 987 EXPECT_EQ(MOJO_RESULT_OK, | |
| 988 core()->ReadData( | |
| 989 ch, NullUserPointer(), MakeUserPointer(&num_bytes), | |
| 990 MOJO_READ_DATA_FLAG_DISCARD | MOJO_READ_DATA_FLAG_ALL_OR_NONE)); | |
| 991 | |
| 992 // Try a two-phase read of the remaining two bytes with peek. Should fail. | |
| 993 const void* read_ptr = nullptr; | |
| 994 num_bytes = 2; | |
| 995 ASSERT_EQ(MOJO_RESULT_INVALID_ARGUMENT, | |
| 996 core()->BeginReadData(ch, MakeUserPointer(&read_ptr), | |
| 997 MakeUserPointer(&num_bytes), | |
| 998 MOJO_READ_DATA_FLAG_PEEK)); | |
| 999 | |
| 1000 // Read the remaining two characters, in two-phase mode (all-or-none). | |
| 1001 num_bytes = 2; | |
| 1002 ASSERT_EQ(MOJO_RESULT_OK, | |
| 1003 core()->BeginReadData(ch, MakeUserPointer(&read_ptr), | |
| 1004 MakeUserPointer(&num_bytes), | |
| 1005 MOJO_READ_DATA_FLAG_ALL_OR_NONE)); | |
| 1006 // Note: Count on still being able to do the contiguous read here. | |
| 1007 ASSERT_EQ(2u, num_bytes); | |
| 1008 | |
| 1009 // Discarding right now should fail. | |
| 1010 num_bytes = 1; | |
| 1011 EXPECT_EQ(MOJO_RESULT_BUSY, | |
| 1012 core()->ReadData(ch, NullUserPointer(), MakeUserPointer(&num_bytes), | |
| 1013 MOJO_READ_DATA_FLAG_DISCARD)); | |
| 1014 | |
| 1015 // Actually check our data and end the two-phase read. | |
| 1016 EXPECT_EQ('D', static_cast<const char*>(read_ptr)[0]); | |
| 1017 EXPECT_EQ('E', static_cast<const char*>(read_ptr)[1]); | |
| 1018 EXPECT_EQ(MOJO_RESULT_OK, core()->EndReadData(ch, 2u)); | |
| 1019 | |
| 1020 // Consumer should now be no longer readable. | |
| 1021 hss = kFullMojoHandleSignalsState; | |
| 1022 EXPECT_EQ( | |
| 1023 MOJO_RESULT_DEADLINE_EXCEEDED, | |
| 1024 core()->Wait(ch, MOJO_HANDLE_SIGNAL_READABLE, 0, MakeUserPointer(&hss))); | |
| 1025 EXPECT_EQ(0u, hss.satisfied_signals); | |
| 1026 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_PEER_CLOSED, | |
| 1027 hss.satisfiable_signals); | |
| 1028 | |
| 1029 // TODO(vtl): More. | |
| 1030 | |
| 1031 // Close the producer. | |
| 1032 EXPECT_EQ(MOJO_RESULT_OK, core()->Close(ph)); | |
| 1033 | |
| 1034 // The consumer should now be never-readable. | |
| 1035 hss = kFullMojoHandleSignalsState; | |
| 1036 EXPECT_EQ( | |
| 1037 MOJO_RESULT_FAILED_PRECONDITION, | |
| 1038 core()->Wait(ch, MOJO_HANDLE_SIGNAL_READABLE, 0, MakeUserPointer(&hss))); | |
| 1039 EXPECT_EQ(MOJO_HANDLE_SIGNAL_PEER_CLOSED, hss.satisfied_signals); | |
| 1040 EXPECT_EQ(MOJO_HANDLE_SIGNAL_PEER_CLOSED, hss.satisfiable_signals); | |
| 1041 | |
| 1042 EXPECT_EQ(MOJO_RESULT_OK, core()->Close(ch)); | |
| 1043 } | |
| 1044 | |
| 1045 // Tests passing data pipe producer and consumer handles. | |
| 1046 TEST_F(CoreTest, MessagePipeBasicLocalHandlePassing2) { | |
| 1047 const char kHello[] = "hello"; | |
| 1048 const uint32_t kHelloSize = static_cast<uint32_t>(sizeof(kHello)); | |
| 1049 const char kWorld[] = "world!!!"; | |
| 1050 const uint32_t kWorldSize = static_cast<uint32_t>(sizeof(kWorld)); | |
| 1051 char buffer[100]; | |
| 1052 const uint32_t kBufferSize = static_cast<uint32_t>(sizeof(buffer)); | |
| 1053 uint32_t num_bytes; | |
| 1054 MojoHandle handles[10]; | |
| 1055 uint32_t num_handles; | |
| 1056 MojoHandleSignalsState hss; | |
| 1057 | |
| 1058 MojoHandle h_passing[2]; | |
| 1059 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1060 core()->CreateMessagePipe(NullUserPointer(), | |
| 1061 MakeUserPointer(&h_passing[0]), | |
| 1062 MakeUserPointer(&h_passing[1]))); | |
| 1063 | |
| 1064 MojoHandle ph, ch; | |
| 1065 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1066 core()->CreateDataPipe(NullUserPointer(), MakeUserPointer(&ph), | |
| 1067 MakeUserPointer(&ch))); | |
| 1068 | |
| 1069 // Send |ch| from |h_passing[0]| to |h_passing[1]|. | |
| 1070 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1071 core()->WriteMessage(h_passing[0], UserPointer<const void>(kHello), | |
| 1072 kHelloSize, MakeUserPointer(&ch), 1, | |
| 1073 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 1074 hss = kEmptyMojoHandleSignalsState; | |
| 1075 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1076 core()->Wait(h_passing[1], MOJO_HANDLE_SIGNAL_READABLE, 1000000000, | |
| 1077 MakeUserPointer(&hss))); | |
| 1078 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 1079 hss.satisfied_signals); | |
| 1080 EXPECT_EQ(kAllSignals, hss.satisfiable_signals); | |
| 1081 num_bytes = kBufferSize; | |
| 1082 num_handles = arraysize(handles); | |
| 1083 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1084 core()->ReadMessage( | |
| 1085 h_passing[1], UserPointer<void>(buffer), | |
| 1086 MakeUserPointer(&num_bytes), MakeUserPointer(handles), | |
| 1087 MakeUserPointer(&num_handles), MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 1088 EXPECT_EQ(kHelloSize, num_bytes); | |
| 1089 EXPECT_STREQ(kHello, buffer); | |
| 1090 EXPECT_EQ(1u, num_handles); | |
| 1091 MojoHandle ch_received = handles[0]; | |
| 1092 EXPECT_NE(ch_received, MOJO_HANDLE_INVALID); | |
| 1093 EXPECT_NE(ch_received, h_passing[0]); | |
| 1094 EXPECT_NE(ch_received, h_passing[1]); | |
| 1095 EXPECT_NE(ch_received, ph); | |
| 1096 | |
| 1097 // Note: We rely on the Mojo system not re-using handle values very often. | |
| 1098 EXPECT_NE(ch_received, ch); | |
| 1099 | |
| 1100 // |ch| should no longer be valid; check that trying to close it fails. See | |
| 1101 // above note. | |
| 1102 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, core()->Close(ch)); | |
| 1103 | |
| 1104 // Write to |ph|. Should receive on |ch_received|. | |
| 1105 num_bytes = kWorldSize; | |
| 1106 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1107 core()->WriteData(ph, UserPointer<const void>(kWorld), | |
| 1108 MakeUserPointer(&num_bytes), | |
| 1109 MOJO_WRITE_DATA_FLAG_ALL_OR_NONE)); | |
| 1110 hss = kEmptyMojoHandleSignalsState; | |
| 1111 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1112 core()->Wait(ch_received, MOJO_HANDLE_SIGNAL_READABLE, 1000000000, | |
| 1113 MakeUserPointer(&hss))); | |
| 1114 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE, hss.satisfied_signals); | |
| 1115 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_PEER_CLOSED, | |
| 1116 hss.satisfiable_signals); | |
| 1117 num_bytes = kBufferSize; | |
| 1118 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1119 core()->ReadData(ch_received, UserPointer<void>(buffer), | |
| 1120 MakeUserPointer(&num_bytes), | |
| 1121 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 1122 EXPECT_EQ(kWorldSize, num_bytes); | |
| 1123 EXPECT_STREQ(kWorld, buffer); | |
| 1124 | |
| 1125 // Now pass |ph| in the same direction. | |
| 1126 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1127 core()->WriteMessage(h_passing[0], UserPointer<const void>(kWorld), | |
| 1128 kWorldSize, MakeUserPointer(&ph), 1, | |
| 1129 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 1130 hss = kEmptyMojoHandleSignalsState; | |
| 1131 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1132 core()->Wait(h_passing[1], MOJO_HANDLE_SIGNAL_READABLE, 1000000000, | |
| 1133 MakeUserPointer(&hss))); | |
| 1134 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 1135 hss.satisfied_signals); | |
| 1136 EXPECT_EQ(kAllSignals, hss.satisfiable_signals); | |
| 1137 num_bytes = kBufferSize; | |
| 1138 num_handles = arraysize(handles); | |
| 1139 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1140 core()->ReadMessage( | |
| 1141 h_passing[1], UserPointer<void>(buffer), | |
| 1142 MakeUserPointer(&num_bytes), MakeUserPointer(handles), | |
| 1143 MakeUserPointer(&num_handles), MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 1144 EXPECT_EQ(kWorldSize, num_bytes); | |
| 1145 EXPECT_STREQ(kWorld, buffer); | |
| 1146 EXPECT_EQ(1u, num_handles); | |
| 1147 MojoHandle ph_received = handles[0]; | |
| 1148 EXPECT_NE(ph_received, MOJO_HANDLE_INVALID); | |
| 1149 EXPECT_NE(ph_received, h_passing[0]); | |
| 1150 EXPECT_NE(ph_received, h_passing[1]); | |
| 1151 EXPECT_NE(ph_received, ch_received); | |
| 1152 | |
| 1153 // Again, rely on the Mojo system not re-using handle values very often. | |
| 1154 EXPECT_NE(ph_received, ph); | |
| 1155 | |
| 1156 // |ph| should no longer be valid; check that trying to close it fails. See | |
| 1157 // above note. | |
| 1158 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, core()->Close(ph)); | |
| 1159 | |
| 1160 // Write to |ph_received|. Should receive on |ch_received|. | |
| 1161 num_bytes = kHelloSize; | |
| 1162 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1163 core()->WriteData(ph_received, UserPointer<const void>(kHello), | |
| 1164 MakeUserPointer(&num_bytes), | |
| 1165 MOJO_WRITE_DATA_FLAG_ALL_OR_NONE)); | |
| 1166 hss = kEmptyMojoHandleSignalsState; | |
| 1167 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1168 core()->Wait(ch_received, MOJO_HANDLE_SIGNAL_READABLE, 1000000000, | |
| 1169 MakeUserPointer(&hss))); | |
| 1170 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE, hss.satisfied_signals); | |
| 1171 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_PEER_CLOSED, | |
| 1172 hss.satisfiable_signals); | |
| 1173 num_bytes = kBufferSize; | |
| 1174 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1175 core()->ReadData(ch_received, UserPointer<void>(buffer), | |
| 1176 MakeUserPointer(&num_bytes), | |
| 1177 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 1178 EXPECT_EQ(kHelloSize, num_bytes); | |
| 1179 EXPECT_STREQ(kHello, buffer); | |
| 1180 | |
| 1181 ph = ph_received; | |
| 1182 ph_received = MOJO_HANDLE_INVALID; | |
| 1183 ch = ch_received; | |
| 1184 ch_received = MOJO_HANDLE_INVALID; | |
| 1185 | |
| 1186 // Make sure that |ph| can't be sent if it's in a two-phase write. | |
| 1187 void* write_ptr = nullptr; | |
| 1188 num_bytes = 0; | |
| 1189 ASSERT_EQ(MOJO_RESULT_OK, | |
| 1190 core()->BeginWriteData(ph, MakeUserPointer(&write_ptr), | |
| 1191 MakeUserPointer(&num_bytes), | |
| 1192 MOJO_WRITE_DATA_FLAG_NONE)); | |
| 1193 ASSERT_GE(num_bytes, 1u); | |
| 1194 EXPECT_EQ(MOJO_RESULT_BUSY, | |
| 1195 core()->WriteMessage(h_passing[0], UserPointer<const void>(kHello), | |
| 1196 kHelloSize, MakeUserPointer(&ph), 1, | |
| 1197 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 1198 | |
| 1199 // But |ch| can, even if |ph| is in a two-phase write. | |
| 1200 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1201 core()->WriteMessage(h_passing[0], UserPointer<const void>(kHello), | |
| 1202 kHelloSize, MakeUserPointer(&ch), 1, | |
| 1203 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 1204 ch = MOJO_HANDLE_INVALID; | |
| 1205 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1206 core()->Wait(h_passing[1], MOJO_HANDLE_SIGNAL_READABLE, 1000000000, | |
| 1207 NullUserPointer())); | |
| 1208 num_bytes = kBufferSize; | |
| 1209 num_handles = arraysize(handles); | |
| 1210 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1211 core()->ReadMessage( | |
| 1212 h_passing[1], UserPointer<void>(buffer), | |
| 1213 MakeUserPointer(&num_bytes), MakeUserPointer(handles), | |
| 1214 MakeUserPointer(&num_handles), MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 1215 EXPECT_EQ(kHelloSize, num_bytes); | |
| 1216 EXPECT_STREQ(kHello, buffer); | |
| 1217 EXPECT_EQ(1u, num_handles); | |
| 1218 ch = handles[0]; | |
| 1219 EXPECT_NE(ch, MOJO_HANDLE_INVALID); | |
| 1220 | |
| 1221 // Complete the two-phase write. | |
| 1222 static_cast<char*>(write_ptr)[0] = 'x'; | |
| 1223 EXPECT_EQ(MOJO_RESULT_OK, core()->EndWriteData(ph, 1)); | |
| 1224 | |
| 1225 // Wait for |ch| to be readable. | |
| 1226 hss = kEmptyMojoHandleSignalsState; | |
| 1227 EXPECT_EQ(MOJO_RESULT_OK, core()->Wait(ch, MOJO_HANDLE_SIGNAL_READABLE, | |
| 1228 1000000000, MakeUserPointer(&hss))); | |
| 1229 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE, hss.satisfied_signals); | |
| 1230 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_PEER_CLOSED, | |
| 1231 hss.satisfiable_signals); | |
| 1232 | |
| 1233 // Make sure that |ch| can't be sent if it's in a two-phase read. | |
| 1234 const void* read_ptr = nullptr; | |
| 1235 num_bytes = 1; | |
| 1236 ASSERT_EQ(MOJO_RESULT_OK, | |
| 1237 core()->BeginReadData(ch, MakeUserPointer(&read_ptr), | |
| 1238 MakeUserPointer(&num_bytes), | |
| 1239 MOJO_READ_DATA_FLAG_ALL_OR_NONE)); | |
| 1240 EXPECT_EQ(MOJO_RESULT_BUSY, | |
| 1241 core()->WriteMessage(h_passing[0], UserPointer<const void>(kHello), | |
| 1242 kHelloSize, MakeUserPointer(&ch), 1, | |
| 1243 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 1244 | |
| 1245 // But |ph| can, even if |ch| is in a two-phase read. | |
| 1246 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1247 core()->WriteMessage(h_passing[0], UserPointer<const void>(kWorld), | |
| 1248 kWorldSize, MakeUserPointer(&ph), 1, | |
| 1249 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 1250 ph = MOJO_HANDLE_INVALID; | |
| 1251 hss = kEmptyMojoHandleSignalsState; | |
| 1252 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1253 core()->Wait(h_passing[1], MOJO_HANDLE_SIGNAL_READABLE, 1000000000, | |
| 1254 MakeUserPointer(&hss))); | |
| 1255 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 1256 hss.satisfied_signals); | |
| 1257 EXPECT_EQ(kAllSignals, hss.satisfiable_signals); | |
| 1258 num_bytes = kBufferSize; | |
| 1259 num_handles = arraysize(handles); | |
| 1260 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1261 core()->ReadMessage( | |
| 1262 h_passing[1], UserPointer<void>(buffer), | |
| 1263 MakeUserPointer(&num_bytes), MakeUserPointer(handles), | |
| 1264 MakeUserPointer(&num_handles), MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 1265 EXPECT_EQ(kWorldSize, num_bytes); | |
| 1266 EXPECT_STREQ(kWorld, buffer); | |
| 1267 EXPECT_EQ(1u, num_handles); | |
| 1268 ph = handles[0]; | |
| 1269 EXPECT_NE(ph, MOJO_HANDLE_INVALID); | |
| 1270 | |
| 1271 // Complete the two-phase read. | |
| 1272 EXPECT_EQ('x', static_cast<const char*>(read_ptr)[0]); | |
| 1273 EXPECT_EQ(MOJO_RESULT_OK, core()->EndReadData(ch, 1)); | |
| 1274 | |
| 1275 EXPECT_EQ(MOJO_RESULT_OK, core()->Close(h_passing[0])); | |
| 1276 EXPECT_EQ(MOJO_RESULT_OK, core()->Close(h_passing[1])); | |
| 1277 EXPECT_EQ(MOJO_RESULT_OK, core()->Close(ph)); | |
| 1278 EXPECT_EQ(MOJO_RESULT_OK, core()->Close(ch)); | |
| 1279 } | |
| 1280 | |
| 1281 struct TestAsyncWaiter { | |
| 1282 TestAsyncWaiter() : result(MOJO_RESULT_UNKNOWN) {} | |
| 1283 | |
| 1284 void Awake(MojoResult r) { result = r; } | |
| 1285 | |
| 1286 MojoResult result; | |
| 1287 }; | |
| 1288 | |
| 1289 TEST_F(CoreTest, AsyncWait) { | |
| 1290 TestAsyncWaiter waiter; | |
| 1291 MockHandleInfo info; | |
| 1292 MojoHandle h = CreateMockHandle(&info); | |
| 1293 | |
| 1294 EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION, | |
| 1295 core()->AsyncWait(h, MOJO_HANDLE_SIGNAL_READABLE, | |
| 1296 base::Bind(&TestAsyncWaiter::Awake, | |
| 1297 base::Unretained(&waiter)))); | |
| 1298 EXPECT_EQ(0u, info.GetAddedAwakableSize()); | |
| 1299 | |
| 1300 info.AllowAddAwakable(true); | |
| 1301 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1302 core()->AsyncWait(h, MOJO_HANDLE_SIGNAL_READABLE, | |
| 1303 base::Bind(&TestAsyncWaiter::Awake, | |
| 1304 base::Unretained(&waiter)))); | |
| 1305 EXPECT_EQ(1u, info.GetAddedAwakableSize()); | |
| 1306 | |
| 1307 EXPECT_FALSE(info.GetAddedAwakableAt(0)->Awake(MOJO_RESULT_BUSY, 0)); | |
| 1308 EXPECT_EQ(MOJO_RESULT_BUSY, waiter.result); | |
| 1309 | |
| 1310 EXPECT_EQ(MOJO_RESULT_OK, core()->Close(h)); | |
| 1311 } | |
| 1312 | |
| 1313 // TODO(vtl): Test |DuplicateBufferHandle()| and |MapBuffer()|. | |
| 1314 | |
| 1315 } // namespace | |
| 1316 } // namespace system | |
| 1317 } // namespace mojo | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 814543006:
Move //mojo/{public, edk} underneath //third_party (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master