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| 1 // Copyright 2014 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/embedder/embedder.h" | |
| 6 | |
| 7 #include <string.h> | |
| 8 | |
| 9 #include "base/bind.h" | |
| 10 #include "base/location.h" | |
| 11 #include "base/logging.h" | |
| 12 #include "base/macros.h" | |
| 13 #include "base/message_loop/message_loop.h" | |
| 14 #include "base/synchronization/waitable_event.h" | |
| 15 #include "base/test/test_io_thread.h" | |
| 16 #include "mojo/common/test/multiprocess_test_helper.h" | |
| 17 #include "mojo/embedder/platform_channel_pair.h" | |
| 18 #include "mojo/embedder/test_embedder.h" | |
| 19 #include "mojo/public/c/system/core.h" | |
| 20 #include "mojo/system/test_utils.h" | |
| 21 #include "testing/gtest/include/gtest/gtest.h" | |
| 22 | |
| 23 namespace mojo { | |
| 24 namespace embedder { | |
| 25 namespace { | |
| 26 | |
| 27 class ScopedTestChannel { | |
| 28 public: | |
| 29 // Creates a channel that lives on a given I/O thread (determined by the given | |
| 30 // |TaskRunner|) attached to the given |platform_handle|. After construction, | |
| 31 // |bootstrap_message_pipe()| gives the Mojo handle for the bootstrap message | |
| 32 // pipe on this channel; it is up to the caller to close this handle. | |
| 33 // Note: The I/O thread must outlive this object (and its message loop must | |
| 34 // continue pumping messages while this object is alive). | |
| 35 ScopedTestChannel(scoped_refptr<base::TaskRunner> io_thread_task_runner, | |
| 36 ScopedPlatformHandle platform_handle) | |
| 37 : io_thread_task_runner_(io_thread_task_runner), | |
| 38 bootstrap_message_pipe_(MOJO_HANDLE_INVALID), | |
| 39 did_create_channel_event_(true, false), | |
| 40 channel_info_(nullptr) { | |
| 41 bootstrap_message_pipe_ = | |
| 42 CreateChannel(platform_handle.Pass(), | |
| 43 io_thread_task_runner_, | |
| 44 base::Bind(&ScopedTestChannel::DidCreateChannel, | |
| 45 base::Unretained(this)), | |
| 46 nullptr) | |
| 47 .release() | |
| 48 .value(); | |
| 49 CHECK_NE(bootstrap_message_pipe_, MOJO_HANDLE_INVALID); | |
| 50 } | |
| 51 | |
| 52 // Destructor: Shuts down the channel. (As noted above, for this to happen, | |
| 53 // the I/O thread must be alive and pumping messages.) | |
| 54 ~ScopedTestChannel() { | |
| 55 system::test::PostTaskAndWait( | |
| 56 io_thread_task_runner_, | |
| 57 FROM_HERE, | |
| 58 base::Bind(&ScopedTestChannel::DestroyChannel, base::Unretained(this))); | |
| 59 } | |
| 60 | |
| 61 // Waits for channel creation to be completed. | |
| 62 void WaitForChannelCreationCompletion() { did_create_channel_event_.Wait(); } | |
| 63 | |
| 64 MojoHandle bootstrap_message_pipe() const { return bootstrap_message_pipe_; } | |
| 65 | |
| 66 // Call only after |WaitForChannelCreationCompletion()|. Use only to check | |
| 67 // that it's not null. | |
| 68 const ChannelInfo* channel_info() const { return channel_info_; } | |
| 69 | |
| 70 private: | |
| 71 void DidCreateChannel(ChannelInfo* channel_info) { | |
| 72 CHECK(channel_info); | |
| 73 CHECK(!channel_info_); | |
| 74 channel_info_ = channel_info; | |
| 75 did_create_channel_event_.Signal(); | |
| 76 } | |
| 77 | |
| 78 void DestroyChannel() { | |
| 79 CHECK(channel_info_); | |
| 80 DestroyChannelOnIOThread(channel_info_); | |
| 81 channel_info_ = nullptr; | |
| 82 } | |
| 83 | |
| 84 scoped_refptr<base::TaskRunner> io_thread_task_runner_; | |
| 85 | |
| 86 // Valid from creation until whenever it gets closed (by the "owner" of this | |
| 87 // object). | |
| 88 // Note: We don't want use the C++ wrappers here, since we want to test the | |
| 89 // API at the lowest level. | |
| 90 MojoHandle bootstrap_message_pipe_; | |
| 91 | |
| 92 // Set after channel creation has been completed (i.e., the callback to | |
| 93 // |CreateChannel()| has been called). | |
| 94 base::WaitableEvent did_create_channel_event_; | |
| 95 | |
| 96 // Valid after channel creation completion until destruction. | |
| 97 ChannelInfo* channel_info_; | |
| 98 | |
| 99 DISALLOW_COPY_AND_ASSIGN(ScopedTestChannel); | |
| 100 }; | |
| 101 | |
| 102 class EmbedderTest : public testing::Test { | |
| 103 public: | |
| 104 EmbedderTest() : test_io_thread_(base::TestIOThread::kAutoStart) {} | |
| 105 virtual ~EmbedderTest() {} | |
| 106 | |
| 107 protected: | |
| 108 base::TestIOThread* test_io_thread() { return &test_io_thread_; } | |
| 109 | |
| 110 private: | |
| 111 base::TestIOThread test_io_thread_; | |
| 112 | |
| 113 DISALLOW_COPY_AND_ASSIGN(EmbedderTest); | |
| 114 }; | |
| 115 | |
| 116 TEST_F(EmbedderTest, ChannelsBasic) { | |
| 117 mojo::embedder::test::InitWithSimplePlatformSupport(); | |
| 118 | |
| 119 { | |
| 120 PlatformChannelPair channel_pair; | |
| 121 ScopedTestChannel server_channel(test_io_thread()->task_runner(), | |
| 122 channel_pair.PassServerHandle()); | |
| 123 MojoHandle server_mp = server_channel.bootstrap_message_pipe(); | |
| 124 EXPECT_NE(server_mp, MOJO_HANDLE_INVALID); | |
| 125 ScopedTestChannel client_channel(test_io_thread()->task_runner(), | |
| 126 channel_pair.PassClientHandle()); | |
| 127 MojoHandle client_mp = client_channel.bootstrap_message_pipe(); | |
| 128 EXPECT_NE(client_mp, MOJO_HANDLE_INVALID); | |
| 129 | |
| 130 // We can write to a message pipe handle immediately. | |
| 131 const char kHello[] = "hello"; | |
| 132 EXPECT_EQ(MOJO_RESULT_OK, | |
| 133 MojoWriteMessage(server_mp, | |
| 134 kHello, | |
| 135 static_cast<uint32_t>(sizeof(kHello)), | |
| 136 nullptr, | |
| 137 0, | |
| 138 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 139 | |
| 140 // Now wait for the other side to become readable. | |
| 141 EXPECT_EQ( | |
| 142 MOJO_RESULT_OK, | |
| 143 MojoWait( | |
| 144 client_mp, MOJO_HANDLE_SIGNAL_READABLE, MOJO_DEADLINE_INDEFINITE)); | |
| 145 | |
| 146 char buffer[1000] = {}; | |
| 147 uint32_t num_bytes = static_cast<uint32_t>(sizeof(buffer)); | |
| 148 EXPECT_EQ(MOJO_RESULT_OK, | |
| 149 MojoReadMessage(client_mp, | |
| 150 buffer, | |
| 151 &num_bytes, | |
| 152 nullptr, | |
| 153 nullptr, | |
| 154 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 155 EXPECT_EQ(sizeof(kHello), num_bytes); | |
| 156 EXPECT_STREQ(kHello, buffer); | |
| 157 | |
| 158 EXPECT_EQ(MOJO_RESULT_OK, MojoClose(server_mp)); | |
| 159 EXPECT_EQ(MOJO_RESULT_OK, MojoClose(client_mp)); | |
| 160 | |
| 161 // By this point, these waits should basically be no-ops (since we've waited | |
| 162 // for the client message pipe to become readable, which implies that both | |
| 163 // the server and client channels were completely created). | |
| 164 server_channel.WaitForChannelCreationCompletion(); | |
| 165 client_channel.WaitForChannelCreationCompletion(); | |
| 166 EXPECT_TRUE(server_channel.channel_info()); | |
| 167 EXPECT_TRUE(client_channel.channel_info()); | |
| 168 } | |
| 169 | |
| 170 EXPECT_TRUE(test::Shutdown()); | |
| 171 } | |
| 172 | |
| 173 TEST_F(EmbedderTest, ChannelsHandlePassing) { | |
| 174 mojo::embedder::test::InitWithSimplePlatformSupport(); | |
| 175 | |
| 176 { | |
| 177 PlatformChannelPair channel_pair; | |
| 178 ScopedTestChannel server_channel(test_io_thread()->task_runner(), | |
| 179 channel_pair.PassServerHandle()); | |
| 180 MojoHandle server_mp = server_channel.bootstrap_message_pipe(); | |
| 181 EXPECT_NE(server_mp, MOJO_HANDLE_INVALID); | |
| 182 ScopedTestChannel client_channel(test_io_thread()->task_runner(), | |
| 183 channel_pair.PassClientHandle()); | |
| 184 MojoHandle client_mp = client_channel.bootstrap_message_pipe(); | |
| 185 EXPECT_NE(client_mp, MOJO_HANDLE_INVALID); | |
| 186 | |
| 187 MojoHandle h0, h1; | |
| 188 EXPECT_EQ(MOJO_RESULT_OK, MojoCreateMessagePipe(nullptr, &h0, &h1)); | |
| 189 | |
| 190 // Write a message to |h0| (attaching nothing). | |
| 191 const char kHello[] = "hello"; | |
| 192 EXPECT_EQ(MOJO_RESULT_OK, | |
| 193 MojoWriteMessage(h0, | |
| 194 kHello, | |
| 195 static_cast<uint32_t>(sizeof(kHello)), | |
| 196 nullptr, | |
| 197 0, | |
| 198 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 199 | |
| 200 // Write one message to |server_mp|, attaching |h1|. | |
| 201 const char kWorld[] = "world!!!"; | |
| 202 EXPECT_EQ(MOJO_RESULT_OK, | |
| 203 MojoWriteMessage(server_mp, | |
| 204 kWorld, | |
| 205 static_cast<uint32_t>(sizeof(kWorld)), | |
| 206 &h1, | |
| 207 1, | |
| 208 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 209 h1 = MOJO_HANDLE_INVALID; | |
| 210 | |
| 211 // Write another message to |h0|. | |
| 212 const char kFoo[] = "foo"; | |
| 213 EXPECT_EQ(MOJO_RESULT_OK, | |
| 214 MojoWriteMessage(h0, | |
| 215 kFoo, | |
| 216 static_cast<uint32_t>(sizeof(kFoo)), | |
| 217 nullptr, | |
| 218 0, | |
| 219 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 220 | |
| 221 // Wait for |client_mp| to become readable. | |
| 222 EXPECT_EQ( | |
| 223 MOJO_RESULT_OK, | |
| 224 MojoWait( | |
| 225 client_mp, MOJO_HANDLE_SIGNAL_READABLE, MOJO_DEADLINE_INDEFINITE)); | |
| 226 | |
| 227 // Read a message from |client_mp|. | |
| 228 char buffer[1000] = {}; | |
| 229 uint32_t num_bytes = static_cast<uint32_t>(sizeof(buffer)); | |
| 230 MojoHandle handles[10] = {}; | |
| 231 uint32_t num_handles = arraysize(handles); | |
| 232 EXPECT_EQ(MOJO_RESULT_OK, | |
| 233 MojoReadMessage(client_mp, | |
| 234 buffer, | |
| 235 &num_bytes, | |
| 236 handles, | |
| 237 &num_handles, | |
| 238 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 239 EXPECT_EQ(sizeof(kWorld), num_bytes); | |
| 240 EXPECT_STREQ(kWorld, buffer); | |
| 241 EXPECT_EQ(1u, num_handles); | |
| 242 EXPECT_NE(handles[0], MOJO_HANDLE_INVALID); | |
| 243 h1 = handles[0]; | |
| 244 | |
| 245 // Wait for |h1| to become readable. | |
| 246 EXPECT_EQ( | |
| 247 MOJO_RESULT_OK, | |
| 248 MojoWait(h1, MOJO_HANDLE_SIGNAL_READABLE, MOJO_DEADLINE_INDEFINITE)); | |
| 249 | |
| 250 // Read a message from |h1|. | |
| 251 memset(buffer, 0, sizeof(buffer)); | |
| 252 num_bytes = static_cast<uint32_t>(sizeof(buffer)); | |
| 253 memset(handles, 0, sizeof(handles)); | |
| 254 num_handles = arraysize(handles); | |
| 255 EXPECT_EQ(MOJO_RESULT_OK, | |
| 256 MojoReadMessage(h1, | |
| 257 buffer, | |
| 258 &num_bytes, | |
| 259 handles, | |
| 260 &num_handles, | |
| 261 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 262 EXPECT_EQ(sizeof(kHello), num_bytes); | |
| 263 EXPECT_STREQ(kHello, buffer); | |
| 264 EXPECT_EQ(0u, num_handles); | |
| 265 | |
| 266 // Wait for |h1| to become readable (again). | |
| 267 EXPECT_EQ( | |
| 268 MOJO_RESULT_OK, | |
| 269 MojoWait(h1, MOJO_HANDLE_SIGNAL_READABLE, MOJO_DEADLINE_INDEFINITE)); | |
| 270 | |
| 271 // Read the second message from |h1|. | |
| 272 memset(buffer, 0, sizeof(buffer)); | |
| 273 num_bytes = static_cast<uint32_t>(sizeof(buffer)); | |
| 274 EXPECT_EQ(MOJO_RESULT_OK, | |
| 275 MojoReadMessage(h1, | |
| 276 buffer, | |
| 277 &num_bytes, | |
| 278 nullptr, | |
| 279 nullptr, | |
| 280 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 281 EXPECT_EQ(sizeof(kFoo), num_bytes); | |
| 282 EXPECT_STREQ(kFoo, buffer); | |
| 283 | |
| 284 // Write a message to |h1|. | |
| 285 const char kBarBaz[] = "barbaz"; | |
| 286 EXPECT_EQ(MOJO_RESULT_OK, | |
| 287 MojoWriteMessage(h1, | |
| 288 kBarBaz, | |
| 289 static_cast<uint32_t>(sizeof(kBarBaz)), | |
| 290 nullptr, | |
| 291 0, | |
| 292 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 293 | |
| 294 // Wait for |h0| to become readable. | |
| 295 EXPECT_EQ( | |
| 296 MOJO_RESULT_OK, | |
| 297 MojoWait(h0, MOJO_HANDLE_SIGNAL_READABLE, MOJO_DEADLINE_INDEFINITE)); | |
| 298 | |
| 299 // Read a message from |h0|. | |
| 300 memset(buffer, 0, sizeof(buffer)); | |
| 301 num_bytes = static_cast<uint32_t>(sizeof(buffer)); | |
| 302 EXPECT_EQ(MOJO_RESULT_OK, | |
| 303 MojoReadMessage(h0, | |
| 304 buffer, | |
| 305 &num_bytes, | |
| 306 nullptr, | |
| 307 nullptr, | |
| 308 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 309 EXPECT_EQ(sizeof(kBarBaz), num_bytes); | |
| 310 EXPECT_STREQ(kBarBaz, buffer); | |
| 311 | |
| 312 EXPECT_EQ(MOJO_RESULT_OK, MojoClose(server_mp)); | |
| 313 EXPECT_EQ(MOJO_RESULT_OK, MojoClose(client_mp)); | |
| 314 EXPECT_EQ(MOJO_RESULT_OK, MojoClose(h0)); | |
| 315 EXPECT_EQ(MOJO_RESULT_OK, MojoClose(h1)); | |
| 316 | |
| 317 server_channel.WaitForChannelCreationCompletion(); | |
| 318 client_channel.WaitForChannelCreationCompletion(); | |
| 319 EXPECT_TRUE(server_channel.channel_info()); | |
| 320 EXPECT_TRUE(client_channel.channel_info()); | |
| 321 } | |
| 322 | |
| 323 EXPECT_TRUE(test::Shutdown()); | |
| 324 } | |
| 325 | |
| 326 // The sequence of messages sent is: | |
| 327 // server_mp client_mp mp0 mp1 mp2 mp3 | |
| 328 // 1. "hello" | |
| 329 // 2. "world!" | |
| 330 // 3. "FOO" | |
| 331 // 4. "Bar"+mp1 | |
| 332 // 5. (close) | |
| 333 // 6. (close) | |
| 334 // 7. "baz" | |
| 335 // 8. (closed) | |
| 336 // 9. "quux"+mp2 | |
| 337 // 10. (close) | |
| 338 // 11. (wait/cl.) | |
| 339 // 12. (wait/cl.) | |
| 340 TEST_F(EmbedderTest, MultiprocessChannels) { | |
| 341 mojo::embedder::test::InitWithSimplePlatformSupport(); | |
| 342 mojo::test::MultiprocessTestHelper multiprocess_test_helper; | |
| 343 multiprocess_test_helper.StartChild("MultiprocessChannelsClient"); | |
| 344 | |
| 345 { | |
| 346 ScopedTestChannel server_channel( | |
| 347 test_io_thread()->task_runner(), | |
| 348 multiprocess_test_helper.server_platform_handle.Pass()); | |
| 349 MojoHandle server_mp = server_channel.bootstrap_message_pipe(); | |
| 350 EXPECT_NE(server_mp, MOJO_HANDLE_INVALID); | |
| 351 server_channel.WaitForChannelCreationCompletion(); | |
| 352 EXPECT_TRUE(server_channel.channel_info()); | |
| 353 | |
| 354 // 1. Write a message to |server_mp| (attaching nothing). | |
| 355 const char kHello[] = "hello"; | |
| 356 EXPECT_EQ(MOJO_RESULT_OK, | |
| 357 MojoWriteMessage(server_mp, | |
| 358 kHello, | |
| 359 static_cast<uint32_t>(sizeof(kHello)), | |
| 360 nullptr, | |
| 361 0, | |
| 362 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 363 | |
| 364 // TODO(vtl): If the scope were ended immediately here (maybe after closing | |
| 365 // |server_mp|), we die with a fatal error in |Channel::HandleLocalError()|. | |
| 366 | |
| 367 // 2. Read a message from |server_mp|. | |
| 368 EXPECT_EQ( | |
| 369 MOJO_RESULT_OK, | |
| 370 MojoWait( | |
| 371 server_mp, MOJO_HANDLE_SIGNAL_READABLE, MOJO_DEADLINE_INDEFINITE)); | |
| 372 char buffer[1000] = {}; | |
| 373 uint32_t num_bytes = static_cast<uint32_t>(sizeof(buffer)); | |
| 374 EXPECT_EQ(MOJO_RESULT_OK, | |
| 375 MojoReadMessage(server_mp, | |
| 376 buffer, | |
| 377 &num_bytes, | |
| 378 nullptr, | |
| 379 nullptr, | |
| 380 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 381 const char kWorld[] = "world!"; | |
| 382 EXPECT_EQ(sizeof(kWorld), num_bytes); | |
| 383 EXPECT_STREQ(kWorld, buffer); | |
| 384 | |
| 385 // Create a new message pipe (endpoints |mp0| and |mp1|). | |
| 386 MojoHandle mp0, mp1; | |
| 387 EXPECT_EQ(MOJO_RESULT_OK, MojoCreateMessagePipe(nullptr, &mp0, &mp1)); | |
| 388 | |
| 389 // 3. Write something to |mp0|. | |
| 390 const char kFoo[] = "FOO"; | |
| 391 EXPECT_EQ(MOJO_RESULT_OK, | |
| 392 MojoWriteMessage(mp0, | |
| 393 kFoo, | |
| 394 static_cast<uint32_t>(sizeof(kFoo)), | |
| 395 nullptr, | |
| 396 0, | |
| 397 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 398 | |
| 399 // 4. Write a message to |server_mp|, attaching |mp1|. | |
| 400 const char kBar[] = "Bar"; | |
| 401 EXPECT_EQ(MOJO_RESULT_OK, | |
| 402 MojoWriteMessage(server_mp, | |
| 403 kBar, | |
| 404 static_cast<uint32_t>(sizeof(kBar)), | |
| 405 &mp1, | |
| 406 1, | |
| 407 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 408 mp1 = MOJO_HANDLE_INVALID; | |
| 409 | |
| 410 // 5. Close |server_mp|. | |
| 411 EXPECT_EQ(MOJO_RESULT_OK, MojoClose(server_mp)); | |
| 412 | |
| 413 // 9. Read a message from |mp0|, which should have |mp2| attached. | |
| 414 EXPECT_EQ( | |
| 415 MOJO_RESULT_OK, | |
| 416 MojoWait(mp0, MOJO_HANDLE_SIGNAL_READABLE, MOJO_DEADLINE_INDEFINITE)); | |
| 417 memset(buffer, 0, sizeof(buffer)); | |
| 418 num_bytes = static_cast<uint32_t>(sizeof(buffer)); | |
| 419 MojoHandle mp2 = MOJO_HANDLE_INVALID; | |
| 420 uint32_t num_handles = 1; | |
| 421 EXPECT_EQ(MOJO_RESULT_OK, | |
| 422 MojoReadMessage(mp0, | |
| 423 buffer, | |
| 424 &num_bytes, | |
| 425 &mp2, | |
| 426 &num_handles, | |
| 427 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 428 const char kQuux[] = "quux"; | |
| 429 EXPECT_EQ(sizeof(kQuux), num_bytes); | |
| 430 EXPECT_STREQ(kQuux, buffer); | |
| 431 EXPECT_EQ(1u, num_handles); | |
| 432 EXPECT_NE(mp2, MOJO_HANDLE_INVALID); | |
| 433 | |
| 434 // 7. Read a message from |mp2|. | |
| 435 EXPECT_EQ( | |
| 436 MOJO_RESULT_OK, | |
| 437 MojoWait(mp2, MOJO_HANDLE_SIGNAL_READABLE, MOJO_DEADLINE_INDEFINITE)); | |
| 438 memset(buffer, 0, sizeof(buffer)); | |
| 439 num_bytes = static_cast<uint32_t>(sizeof(buffer)); | |
| 440 EXPECT_EQ(MOJO_RESULT_OK, | |
| 441 MojoReadMessage(mp2, | |
| 442 buffer, | |
| 443 &num_bytes, | |
| 444 nullptr, | |
| 445 nullptr, | |
| 446 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 447 const char kBaz[] = "baz"; | |
| 448 EXPECT_EQ(sizeof(kBaz), num_bytes); | |
| 449 EXPECT_STREQ(kBaz, buffer); | |
| 450 | |
| 451 // 10. Close |mp0|. | |
| 452 EXPECT_EQ(MOJO_RESULT_OK, MojoClose(mp0)); | |
| 453 | |
| 454 // 12. Wait on |mp2| (which should eventually fail) and then close it. | |
| 455 // TODO(vtl): crbug.com/351768 | |
| 456 #if 0 | |
| 457 EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION, | |
| 458 MojoWait(mp2, MOJO_HANDLE_SIGNAL_READABLE, | |
| 459 MOJO_DEADLINE_INDEFINITE)); | |
| 460 #endif | |
| 461 EXPECT_EQ(MOJO_RESULT_OK, MojoClose(mp2)); | |
| 462 } | |
| 463 | |
| 464 EXPECT_TRUE(multiprocess_test_helper.WaitForChildTestShutdown()); | |
| 465 EXPECT_TRUE(test::Shutdown()); | |
| 466 } | |
| 467 | |
| 468 MOJO_MULTIPROCESS_TEST_CHILD_TEST(MultiprocessChannelsClient) { | |
| 469 ScopedPlatformHandle client_platform_handle = | |
| 470 mojo::test::MultiprocessTestHelper::client_platform_handle.Pass(); | |
| 471 EXPECT_TRUE(client_platform_handle.is_valid()); | |
| 472 | |
| 473 base::TestIOThread test_io_thread(base::TestIOThread::kAutoStart); | |
| 474 mojo::embedder::test::InitWithSimplePlatformSupport(); | |
| 475 | |
| 476 { | |
| 477 ScopedTestChannel client_channel(test_io_thread.task_runner(), | |
| 478 client_platform_handle.Pass()); | |
| 479 MojoHandle client_mp = client_channel.bootstrap_message_pipe(); | |
| 480 EXPECT_NE(client_mp, MOJO_HANDLE_INVALID); | |
| 481 client_channel.WaitForChannelCreationCompletion(); | |
| 482 CHECK(client_channel.channel_info() != nullptr); | |
| 483 | |
| 484 // 1. Read the first message from |client_mp|. | |
| 485 EXPECT_EQ( | |
| 486 MOJO_RESULT_OK, | |
| 487 MojoWait( | |
| 488 client_mp, MOJO_HANDLE_SIGNAL_READABLE, MOJO_DEADLINE_INDEFINITE)); | |
| 489 char buffer[1000] = {}; | |
| 490 uint32_t num_bytes = static_cast<uint32_t>(sizeof(buffer)); | |
| 491 EXPECT_EQ(MOJO_RESULT_OK, | |
| 492 MojoReadMessage(client_mp, | |
| 493 buffer, | |
| 494 &num_bytes, | |
| 495 nullptr, | |
| 496 nullptr, | |
| 497 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 498 const char kHello[] = "hello"; | |
| 499 EXPECT_EQ(sizeof(kHello), num_bytes); | |
| 500 EXPECT_STREQ(kHello, buffer); | |
| 501 | |
| 502 // 2. Write a message to |client_mp| (attaching nothing). | |
| 503 const char kWorld[] = "world!"; | |
| 504 EXPECT_EQ(MOJO_RESULT_OK, | |
| 505 MojoWriteMessage(client_mp, | |
| 506 kWorld, | |
| 507 static_cast<uint32_t>(sizeof(kWorld)), | |
| 508 nullptr, | |
| 509 0, | |
| 510 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 511 | |
| 512 // 4. Read a message from |client_mp|, which should have |mp1| attached. | |
| 513 EXPECT_EQ( | |
| 514 MOJO_RESULT_OK, | |
| 515 MojoWait( | |
| 516 client_mp, MOJO_HANDLE_SIGNAL_READABLE, MOJO_DEADLINE_INDEFINITE)); | |
| 517 // TODO(vtl): If the scope were to end here (and |client_mp| closed), we'd | |
| 518 // die (again due to |Channel::HandleLocalError()|). | |
| 519 memset(buffer, 0, sizeof(buffer)); | |
| 520 num_bytes = static_cast<uint32_t>(sizeof(buffer)); | |
| 521 MojoHandle mp1 = MOJO_HANDLE_INVALID; | |
| 522 uint32_t num_handles = 1; | |
| 523 EXPECT_EQ(MOJO_RESULT_OK, | |
| 524 MojoReadMessage(client_mp, | |
| 525 buffer, | |
| 526 &num_bytes, | |
| 527 &mp1, | |
| 528 &num_handles, | |
| 529 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 530 const char kBar[] = "Bar"; | |
| 531 EXPECT_EQ(sizeof(kBar), num_bytes); | |
| 532 EXPECT_STREQ(kBar, buffer); | |
| 533 EXPECT_EQ(1u, num_handles); | |
| 534 EXPECT_NE(mp1, MOJO_HANDLE_INVALID); | |
| 535 // TODO(vtl): If the scope were to end here (and the two handles closed), | |
| 536 // we'd die due to |Channel::RunRemoteMessagePipeEndpoint()| not handling | |
| 537 // write errors (assuming the parent had closed the pipe). | |
| 538 | |
| 539 // 6. Close |client_mp|. | |
| 540 EXPECT_EQ(MOJO_RESULT_OK, MojoClose(client_mp)); | |
| 541 | |
| 542 // Create a new message pipe (endpoints |mp2| and |mp3|). | |
| 543 MojoHandle mp2, mp3; | |
| 544 EXPECT_EQ(MOJO_RESULT_OK, MojoCreateMessagePipe(nullptr, &mp2, &mp3)); | |
| 545 | |
| 546 // 7. Write a message to |mp3|. | |
| 547 const char kBaz[] = "baz"; | |
| 548 EXPECT_EQ(MOJO_RESULT_OK, | |
| 549 MojoWriteMessage(mp3, | |
| 550 kBaz, | |
| 551 static_cast<uint32_t>(sizeof(kBaz)), | |
| 552 nullptr, | |
| 553 0, | |
| 554 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 555 | |
| 556 // 8. Close |mp3|. | |
| 557 EXPECT_EQ(MOJO_RESULT_OK, MojoClose(mp3)); | |
| 558 | |
| 559 // 9. Write a message to |mp1|, attaching |mp2|. | |
| 560 const char kQuux[] = "quux"; | |
| 561 EXPECT_EQ(MOJO_RESULT_OK, | |
| 562 MojoWriteMessage(mp1, | |
| 563 kQuux, | |
| 564 static_cast<uint32_t>(sizeof(kQuux)), | |
| 565 &mp2, | |
| 566 1, | |
| 567 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 568 mp2 = MOJO_HANDLE_INVALID; | |
| 569 | |
| 570 // 3. Read a message from |mp1|. | |
| 571 EXPECT_EQ( | |
| 572 MOJO_RESULT_OK, | |
| 573 MojoWait(mp1, MOJO_HANDLE_SIGNAL_READABLE, MOJO_DEADLINE_INDEFINITE)); | |
| 574 memset(buffer, 0, sizeof(buffer)); | |
| 575 num_bytes = static_cast<uint32_t>(sizeof(buffer)); | |
| 576 EXPECT_EQ(MOJO_RESULT_OK, | |
| 577 MojoReadMessage(mp1, | |
| 578 buffer, | |
| 579 &num_bytes, | |
| 580 nullptr, | |
| 581 nullptr, | |
| 582 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 583 const char kFoo[] = "FOO"; | |
| 584 EXPECT_EQ(sizeof(kFoo), num_bytes); | |
| 585 EXPECT_STREQ(kFoo, buffer); | |
| 586 | |
| 587 // 11. Wait on |mp1| (which should eventually fail) and then close it. | |
| 588 EXPECT_EQ( | |
| 589 MOJO_RESULT_FAILED_PRECONDITION, | |
| 590 MojoWait(mp1, MOJO_HANDLE_SIGNAL_READABLE, MOJO_DEADLINE_INDEFINITE)); | |
| 591 EXPECT_EQ(MOJO_RESULT_OK, MojoClose(mp1)); | |
| 592 } | |
| 593 | |
| 594 EXPECT_TRUE(test::Shutdown()); | |
| 595 } | |
| 596 | |
| 597 // TODO(vtl): Test immediate write & close. | |
| 598 // TODO(vtl): Test broken-connection cases. | |
| 599 | |
| 600 } // namespace | |
| 601 } // namespace embedder | |
| 602 } // 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