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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 <utility> | |
| 6 | |
| 7 #include "gtest/gtest.h" | |
| 8 #include "mojo/public/cpp/bindings/binding.h" | |
| 9 #include "mojo/public/cpp/bindings/strong_binding.h" | |
| 10 #include "mojo/public/cpp/utility/run_loop.h" | |
| 11 #include "mojo/public/interfaces/bindings/tests/math_calculator.mojom.h" | |
| 12 #include "mojo/public/interfaces/bindings/tests/sample_interfaces.mojom.h" | |
| 13 #include "mojo/public/interfaces/bindings/tests/sample_service.mojom.h" | |
| 14 #include "mojo/public/interfaces/bindings/tests/scoping.mojom.h" | |
| 15 | |
| 16 namespace mojo { | |
| 17 namespace test { | |
| 18 namespace { | |
| 19 | |
| 20 template <typename Method, typename Class> | |
| 21 class RunnableImpl { | |
| 22 public: | |
| 23 RunnableImpl(Method method, Class instance) | |
| 24 : method_(method), instance_(instance) {} | |
| 25 template <typename... Args> | |
| 26 void Run(Args... args) const { | |
| 27 (instance_->*method_)(args...); | |
| 28 } | |
| 29 | |
| 30 private: | |
| 31 Method method_; | |
| 32 Class instance_; | |
| 33 }; | |
| 34 | |
| 35 template <typename Method, typename Class> | |
| 36 RunnableImpl<Method, Class> MakeRunnable(Method method, Class object) { | |
| 37 return RunnableImpl<Method, Class>(method, object); | |
| 38 } | |
| 39 | |
| 40 typedef mojo::Callback<void(double)> CalcCallback; | |
| 41 | |
| 42 class MathCalculatorImpl : public math::Calculator { | |
| 43 public: | |
| 44 explicit MathCalculatorImpl(InterfaceRequest<math::Calculator> request) | |
| 45 : total_(0.0), binding_(this, request.Pass()) {} | |
| 46 ~MathCalculatorImpl() override {} | |
| 47 | |
| 48 void CloseMessagePipe() { binding_.Close(); } | |
| 49 | |
| 50 void WaitForIncomingMethodCall() { binding_.WaitForIncomingMethodCall(); } | |
| 51 | |
| 52 void Clear(const CalcCallback& callback) override { | |
| 53 total_ = 0.0; | |
| 54 callback.Run(total_); | |
| 55 } | |
| 56 | |
| 57 void Add(double value, const CalcCallback& callback) override { | |
| 58 total_ += value; | |
| 59 callback.Run(total_); | |
| 60 } | |
| 61 | |
| 62 void Multiply(double value, const CalcCallback& callback) override { | |
| 63 total_ *= value; | |
| 64 callback.Run(total_); | |
| 65 } | |
| 66 | |
| 67 private: | |
| 68 double total_; | |
| 69 Binding<math::Calculator> binding_; | |
| 70 }; | |
| 71 | |
| 72 class MathCalculatorUI { | |
| 73 public: | |
| 74 explicit MathCalculatorUI(math::CalculatorPtr calculator) | |
| 75 : calculator_(calculator.Pass()), | |
| 76 output_(0.0), | |
| 77 callback_(MakeRunnable(&MathCalculatorUI::Output, this)) {} | |
| 78 | |
| 79 bool WaitForIncomingResponse() { | |
| 80 return calculator_.WaitForIncomingResponse(); | |
| 81 } | |
| 82 | |
| 83 bool WaitForIncomingResponseWithTimeout(MojoDeadline deadline) { | |
| 84 return calculator_.WaitForIncomingResponseWithTimeout(deadline); | |
| 85 } | |
| 86 | |
| 87 bool encountered_error() const { return calculator_.encountered_error(); } | |
| 88 | |
| 89 void Add(double value) { calculator_->Add(value, callback_); } | |
| 90 | |
| 91 void Subtract(double value) { calculator_->Add(-value, callback_); } | |
| 92 | |
| 93 void Multiply(double value) { calculator_->Multiply(value, callback_); } | |
| 94 | |
| 95 void Divide(double value) { calculator_->Multiply(1.0 / value, callback_); } | |
| 96 | |
| 97 double GetOutput() const { return output_; } | |
| 98 | |
| 99 private: | |
| 100 void Output(double output) { output_ = output; } | |
| 101 | |
| 102 math::CalculatorPtr calculator_; | |
| 103 double output_; | |
| 104 Callback<void(double)> callback_; | |
| 105 }; | |
| 106 | |
| 107 class SelfDestructingMathCalculatorUI { | |
| 108 public: | |
| 109 explicit SelfDestructingMathCalculatorUI(math::CalculatorPtr calculator) | |
| 110 : calculator_(calculator.Pass()), nesting_level_(0) { | |
| 111 ++num_instances_; | |
| 112 } | |
| 113 | |
| 114 void BeginTest(bool nested) { | |
| 115 nesting_level_ = nested ? 2 : 1; | |
| 116 calculator_->Add( | |
| 117 1.0, MakeRunnable(&SelfDestructingMathCalculatorUI::Output, this)); | |
| 118 } | |
| 119 | |
| 120 static int num_instances() { return num_instances_; } | |
| 121 | |
| 122 void Output(double value) { | |
| 123 if (--nesting_level_ > 0) { | |
| 124 // Add some more and wait for re-entrant call to Output! | |
| 125 calculator_->Add( | |
| 126 1.0, MakeRunnable(&SelfDestructingMathCalculatorUI::Output, this)); | |
| 127 RunLoop::current()->RunUntilIdle(); | |
| 128 } else { | |
| 129 delete this; | |
| 130 } | |
| 131 } | |
| 132 | |
| 133 private: | |
| 134 ~SelfDestructingMathCalculatorUI() { --num_instances_; } | |
| 135 | |
| 136 math::CalculatorPtr calculator_; | |
| 137 int nesting_level_; | |
| 138 static int num_instances_; | |
| 139 }; | |
| 140 | |
| 141 // static | |
| 142 int SelfDestructingMathCalculatorUI::num_instances_ = 0; | |
| 143 | |
| 144 class ReentrantServiceImpl : public sample::Service { | |
| 145 public: | |
| 146 ~ReentrantServiceImpl() override {} | |
| 147 | |
| 148 explicit ReentrantServiceImpl(InterfaceRequest<sample::Service> request) | |
| 149 : call_depth_(0), max_call_depth_(0), binding_(this, request.Pass()) {} | |
| 150 | |
| 151 int max_call_depth() { return max_call_depth_; } | |
| 152 | |
| 153 void Frobinate(sample::FooPtr foo, | |
| 154 sample::Service::BazOptions baz, | |
| 155 mojo::InterfaceHandle<sample::Port> port, | |
| 156 const sample::Service::FrobinateCallback& callback) override { | |
| 157 max_call_depth_ = std::max(++call_depth_, max_call_depth_); | |
| 158 if (call_depth_ == 1) { | |
| 159 EXPECT_TRUE(binding_.WaitForIncomingMethodCall()); | |
| 160 } | |
| 161 call_depth_--; | |
| 162 callback.Run(5); | |
| 163 } | |
| 164 | |
| 165 void GetPort(mojo::InterfaceRequest<sample::Port> port) override {} | |
| 166 | |
| 167 private: | |
| 168 int call_depth_; | |
| 169 int max_call_depth_; | |
| 170 Binding<sample::Service> binding_; | |
| 171 }; | |
| 172 | |
| 173 class IntegerAccessorImpl : public sample::IntegerAccessor { | |
| 174 public: | |
| 175 IntegerAccessorImpl() : integer_(0) {} | |
| 176 ~IntegerAccessorImpl() override {} | |
| 177 | |
| 178 int64_t integer() const { return integer_; } | |
| 179 | |
| 180 private: | |
| 181 // sample::IntegerAccessor implementation. | |
| 182 void GetInteger(const GetIntegerCallback& callback) override { | |
| 183 callback.Run(integer_, sample::Enum::VALUE); | |
| 184 } | |
| 185 void SetInteger(int64_t data, sample::Enum type) override { integer_ = data; } | |
| 186 | |
| 187 int64_t integer_; | |
| 188 }; | |
| 189 | |
| 190 class InterfacePtrTest : public testing::Test { | |
| 191 public: | |
| 192 ~InterfacePtrTest() override { loop_.RunUntilIdle(); } | |
| 193 | |
| 194 void PumpMessages() { loop_.RunUntilIdle(); } | |
| 195 | |
| 196 private: | |
| 197 RunLoop loop_; | |
| 198 }; | |
| 199 | |
| 200 TEST_F(InterfacePtrTest, IsBound) { | |
| 201 math::CalculatorPtr calc; | |
| 202 EXPECT_FALSE(calc.is_bound()); | |
| 203 EXPECT_FALSE(calc); | |
| 204 MathCalculatorImpl calc_impl(GetProxy(&calc)); | |
| 205 EXPECT_TRUE(calc.is_bound()); | |
| 206 EXPECT_TRUE(calc); | |
| 207 } | |
| 208 | |
| 209 TEST_F(InterfacePtrTest, EndToEnd) { | |
| 210 math::CalculatorPtr calc; | |
| 211 MathCalculatorImpl calc_impl(GetProxy(&calc)); | |
| 212 | |
| 213 // Suppose this is instantiated in a process that has pipe1_. | |
| 214 MathCalculatorUI calculator_ui(calc.Pass()); | |
| 215 | |
| 216 calculator_ui.Add(2.0); | |
| 217 calculator_ui.Multiply(5.0); | |
| 218 | |
| 219 PumpMessages(); | |
| 220 | |
| 221 EXPECT_EQ(10.0, calculator_ui.GetOutput()); | |
| 222 } | |
| 223 | |
| 224 TEST_F(InterfacePtrTest, EndToEnd_Synchronous) { | |
| 225 math::CalculatorPtr calc; | |
| 226 MathCalculatorImpl calc_impl(GetProxy(&calc)); | |
| 227 | |
| 228 // Suppose this is instantiated in a process that has pipe1_. | |
| 229 MathCalculatorUI calculator_ui(calc.Pass()); | |
| 230 | |
| 231 EXPECT_EQ(0.0, calculator_ui.GetOutput()); | |
| 232 | |
| 233 calculator_ui.Add(2.0); | |
| 234 EXPECT_EQ(0.0, calculator_ui.GetOutput()); | |
| 235 calc_impl.WaitForIncomingMethodCall(); | |
| 236 calculator_ui.WaitForIncomingResponse(); | |
| 237 EXPECT_EQ(2.0, calculator_ui.GetOutput()); | |
| 238 | |
| 239 calculator_ui.Multiply(5.0); | |
| 240 EXPECT_EQ(2.0, calculator_ui.GetOutput()); | |
| 241 calc_impl.WaitForIncomingMethodCall(); | |
| 242 calculator_ui.WaitForIncomingResponse(); | |
| 243 EXPECT_EQ(10.0, calculator_ui.GetOutput()); | |
| 244 | |
| 245 EXPECT_FALSE(calculator_ui.WaitForIncomingResponseWithTimeout(0)); | |
| 246 EXPECT_FALSE(calculator_ui.encountered_error()); | |
| 247 calculator_ui.Multiply(3.0); | |
| 248 calc_impl.WaitForIncomingMethodCall(); | |
| 249 EXPECT_TRUE(calculator_ui.WaitForIncomingResponseWithTimeout(0)); | |
| 250 EXPECT_EQ(30.0, calculator_ui.GetOutput()); | |
| 251 } | |
| 252 | |
| 253 TEST_F(InterfacePtrTest, Movable) { | |
| 254 math::CalculatorPtr a; | |
| 255 math::CalculatorPtr b; | |
| 256 MathCalculatorImpl calc_impl(GetProxy(&b)); | |
| 257 | |
| 258 EXPECT_TRUE(!a); | |
| 259 EXPECT_FALSE(!b); | |
| 260 | |
| 261 a = b.Pass(); | |
| 262 | |
| 263 EXPECT_FALSE(!a); | |
| 264 EXPECT_TRUE(!b); | |
| 265 } | |
| 266 | |
| 267 TEST_F(InterfacePtrTest, Resettable) { | |
| 268 math::CalculatorPtr a; | |
| 269 | |
| 270 EXPECT_TRUE(!a); | |
| 271 | |
| 272 MessagePipe pipe; | |
| 273 | |
| 274 // Save this so we can test it later. | |
| 275 Handle handle = pipe.handle0.get(); | |
| 276 | |
| 277 a = math::CalculatorPtr::Create( | |
| 278 InterfaceHandle<math::Calculator>(std::move(pipe.handle0), 0u)); | |
| 279 | |
| 280 EXPECT_FALSE(!a); | |
| 281 | |
| 282 a.reset(); | |
| 283 | |
| 284 EXPECT_TRUE(!a); | |
| 285 EXPECT_FALSE(a.internal_state()->router_for_testing()); | |
| 286 | |
| 287 // Test that handle was closed. | |
| 288 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, CloseRaw(handle)); | |
| 289 } | |
| 290 | |
| 291 TEST_F(InterfacePtrTest, BindInvalidHandle) { | |
| 292 math::CalculatorPtr ptr; | |
| 293 EXPECT_FALSE(ptr.get()); | |
| 294 EXPECT_FALSE(ptr); | |
| 295 | |
| 296 ptr.Bind(InterfaceHandle<math::Calculator>()); | |
| 297 EXPECT_FALSE(ptr.get()); | |
| 298 EXPECT_FALSE(ptr); | |
| 299 } | |
| 300 | |
| 301 TEST_F(InterfacePtrTest, EncounteredError) { | |
| 302 math::CalculatorPtr proxy; | |
| 303 MathCalculatorImpl calc_impl(GetProxy(&proxy)); | |
| 304 | |
| 305 MathCalculatorUI calculator_ui(proxy.Pass()); | |
| 306 | |
| 307 calculator_ui.Add(2.0); | |
| 308 PumpMessages(); | |
| 309 EXPECT_EQ(2.0, calculator_ui.GetOutput()); | |
| 310 EXPECT_FALSE(calculator_ui.encountered_error()); | |
| 311 | |
| 312 calculator_ui.Multiply(5.0); | |
| 313 EXPECT_FALSE(calculator_ui.encountered_error()); | |
| 314 | |
| 315 // Close the server. | |
| 316 calc_impl.CloseMessagePipe(); | |
| 317 | |
| 318 // The state change isn't picked up locally yet. | |
| 319 EXPECT_FALSE(calculator_ui.encountered_error()); | |
| 320 | |
| 321 PumpMessages(); | |
| 322 | |
| 323 // OK, now we see the error. | |
| 324 EXPECT_TRUE(calculator_ui.encountered_error()); | |
| 325 } | |
| 326 | |
| 327 TEST_F(InterfacePtrTest, EncounteredErrorCallback) { | |
| 328 math::CalculatorPtr proxy; | |
| 329 MathCalculatorImpl calc_impl(GetProxy(&proxy)); | |
| 330 | |
| 331 bool encountered_error = false; | |
| 332 proxy.set_connection_error_handler( | |
| 333 [&encountered_error]() { encountered_error = true; }); | |
| 334 | |
| 335 MathCalculatorUI calculator_ui(proxy.Pass()); | |
| 336 | |
| 337 calculator_ui.Add(2.0); | |
| 338 PumpMessages(); | |
| 339 EXPECT_EQ(2.0, calculator_ui.GetOutput()); | |
| 340 EXPECT_FALSE(calculator_ui.encountered_error()); | |
| 341 | |
| 342 calculator_ui.Multiply(5.0); | |
| 343 EXPECT_FALSE(calculator_ui.encountered_error()); | |
| 344 | |
| 345 // Close the server. | |
| 346 calc_impl.CloseMessagePipe(); | |
| 347 | |
| 348 // The state change isn't picked up locally yet. | |
| 349 EXPECT_FALSE(calculator_ui.encountered_error()); | |
| 350 | |
| 351 PumpMessages(); | |
| 352 | |
| 353 // OK, now we see the error. | |
| 354 EXPECT_TRUE(calculator_ui.encountered_error()); | |
| 355 | |
| 356 // We should have also been able to observe the error through the error | |
| 357 // handler. | |
| 358 EXPECT_TRUE(encountered_error); | |
| 359 } | |
| 360 | |
| 361 TEST_F(InterfacePtrTest, DestroyInterfacePtrOnMethodResponse) { | |
| 362 math::CalculatorPtr proxy; | |
| 363 MathCalculatorImpl calc_impl(GetProxy(&proxy)); | |
| 364 | |
| 365 EXPECT_EQ(0, SelfDestructingMathCalculatorUI::num_instances()); | |
| 366 | |
| 367 SelfDestructingMathCalculatorUI* impl = | |
| 368 new SelfDestructingMathCalculatorUI(proxy.Pass()); | |
| 369 impl->BeginTest(false); | |
| 370 | |
| 371 PumpMessages(); | |
| 372 | |
| 373 EXPECT_EQ(0, SelfDestructingMathCalculatorUI::num_instances()); | |
| 374 } | |
| 375 | |
| 376 TEST_F(InterfacePtrTest, NestedDestroyInterfacePtrOnMethodResponse) { | |
| 377 math::CalculatorPtr proxy; | |
| 378 MathCalculatorImpl calc_impl(GetProxy(&proxy)); | |
| 379 | |
| 380 EXPECT_EQ(0, SelfDestructingMathCalculatorUI::num_instances()); | |
| 381 | |
| 382 SelfDestructingMathCalculatorUI* impl = | |
| 383 new SelfDestructingMathCalculatorUI(proxy.Pass()); | |
| 384 impl->BeginTest(true); | |
| 385 | |
| 386 PumpMessages(); | |
| 387 | |
| 388 EXPECT_EQ(0, SelfDestructingMathCalculatorUI::num_instances()); | |
| 389 } | |
| 390 | |
| 391 TEST_F(InterfacePtrTest, ReentrantWaitForIncomingMethodCall) { | |
| 392 sample::ServicePtr proxy; | |
| 393 ReentrantServiceImpl impl(GetProxy(&proxy)); | |
| 394 | |
| 395 proxy->Frobinate(nullptr, sample::Service::BazOptions::REGULAR, nullptr, | |
| 396 sample::Service::FrobinateCallback()); | |
| 397 proxy->Frobinate(nullptr, sample::Service::BazOptions::REGULAR, nullptr, | |
| 398 sample::Service::FrobinateCallback()); | |
| 399 | |
| 400 PumpMessages(); | |
| 401 | |
| 402 EXPECT_EQ(2, impl.max_call_depth()); | |
| 403 } | |
| 404 | |
| 405 TEST_F(InterfacePtrTest, QueryVersion) { | |
| 406 IntegerAccessorImpl impl; | |
| 407 sample::IntegerAccessorPtr ptr; | |
| 408 Binding<sample::IntegerAccessor> binding(&impl, GetProxy(&ptr)); | |
| 409 | |
| 410 EXPECT_EQ(0u, ptr.version()); | |
| 411 | |
| 412 auto callback = [](uint32_t version) { EXPECT_EQ(3u, version); }; | |
| 413 ptr.QueryVersion(callback); | |
| 414 | |
| 415 PumpMessages(); | |
| 416 | |
| 417 EXPECT_EQ(3u, ptr.version()); | |
| 418 } | |
| 419 | |
| 420 TEST_F(InterfacePtrTest, RequireVersion) { | |
| 421 IntegerAccessorImpl impl; | |
| 422 sample::IntegerAccessorPtr ptr; | |
| 423 Binding<sample::IntegerAccessor> binding(&impl, GetProxy(&ptr)); | |
| 424 | |
| 425 EXPECT_EQ(0u, ptr.version()); | |
| 426 | |
| 427 ptr.RequireVersion(1u); | |
| 428 EXPECT_EQ(1u, ptr.version()); | |
| 429 ptr->SetInteger(123, sample::Enum::VALUE); | |
| 430 PumpMessages(); | |
| 431 EXPECT_FALSE(ptr.encountered_error()); | |
| 432 EXPECT_EQ(123, impl.integer()); | |
| 433 | |
| 434 ptr.RequireVersion(3u); | |
| 435 EXPECT_EQ(3u, ptr.version()); | |
| 436 ptr->SetInteger(456, sample::Enum::VALUE); | |
| 437 PumpMessages(); | |
| 438 EXPECT_FALSE(ptr.encountered_error()); | |
| 439 EXPECT_EQ(456, impl.integer()); | |
| 440 | |
| 441 // Require a version that is not supported by the impl side. | |
| 442 ptr.RequireVersion(4u); | |
| 443 // This value is set to the input of RequireVersion() synchronously. | |
| 444 EXPECT_EQ(4u, ptr.version()); | |
| 445 ptr->SetInteger(789, sample::Enum::VALUE); | |
| 446 PumpMessages(); | |
| 447 EXPECT_TRUE(ptr.encountered_error()); | |
| 448 // The call to SetInteger() after RequireVersion(4u) is ignored. | |
| 449 EXPECT_EQ(456, impl.integer()); | |
| 450 } | |
| 451 | |
| 452 class StrongMathCalculatorImpl : public math::Calculator { | |
| 453 public: | |
| 454 StrongMathCalculatorImpl(ScopedMessagePipeHandle handle, | |
| 455 bool* error_received, | |
| 456 bool* destroyed) | |
| 457 : error_received_(error_received), | |
| 458 destroyed_(destroyed), | |
| 459 binding_(this, handle.Pass()) { | |
| 460 binding_.set_connection_error_handler( | |
| 461 [this]() { *error_received_ = true; }); | |
| 462 } | |
| 463 ~StrongMathCalculatorImpl() override { *destroyed_ = true; } | |
| 464 | |
| 465 // math::Calculator implementation. | |
| 466 void Clear(const CalcCallback& callback) override { callback.Run(total_); } | |
| 467 | |
| 468 void Add(double value, const CalcCallback& callback) override { | |
| 469 total_ += value; | |
| 470 callback.Run(total_); | |
| 471 } | |
| 472 | |
| 473 void Multiply(double value, const CalcCallback& callback) override { | |
| 474 total_ *= value; | |
| 475 callback.Run(total_); | |
| 476 } | |
| 477 | |
| 478 private: | |
| 479 double total_ = 0.0; | |
| 480 bool* error_received_; | |
| 481 bool* destroyed_; | |
| 482 | |
| 483 StrongBinding<math::Calculator> binding_; | |
| 484 }; | |
| 485 | |
| 486 TEST(StrongConnectorTest, Math) { | |
| 487 RunLoop loop; | |
| 488 | |
| 489 bool error_received = false; | |
| 490 bool destroyed = false; | |
| 491 MessagePipe pipe; | |
| 492 new StrongMathCalculatorImpl(pipe.handle0.Pass(), &error_received, | |
| 493 &destroyed); | |
| 494 | |
| 495 math::CalculatorPtr calc; | |
| 496 calc.Bind(InterfaceHandle<math::Calculator>(pipe.handle1.Pass(), 0u)); | |
| 497 | |
| 498 { | |
| 499 // Suppose this is instantiated in a process that has the other end of the | |
| 500 // message pipe. | |
| 501 MathCalculatorUI calculator_ui(calc.Pass()); | |
| 502 | |
| 503 calculator_ui.Add(2.0); | |
| 504 calculator_ui.Multiply(5.0); | |
| 505 | |
| 506 loop.RunUntilIdle(); | |
| 507 | |
| 508 EXPECT_EQ(10.0, calculator_ui.GetOutput()); | |
| 509 EXPECT_FALSE(error_received); | |
| 510 EXPECT_FALSE(destroyed); | |
| 511 } | |
| 512 // Destroying calculator_ui should close the pipe and generate an error on the | |
| 513 // other | |
| 514 // end which will destroy the instance since it is strongly bound. | |
| 515 | |
| 516 loop.RunUntilIdle(); | |
| 517 EXPECT_TRUE(error_received); | |
| 518 EXPECT_TRUE(destroyed); | |
| 519 } | |
| 520 | |
| 521 class WeakMathCalculatorImpl : public math::Calculator { | |
| 522 public: | |
| 523 WeakMathCalculatorImpl(ScopedMessagePipeHandle handle, | |
| 524 bool* error_received, | |
| 525 bool* destroyed) | |
| 526 : error_received_(error_received), | |
| 527 destroyed_(destroyed), | |
| 528 binding_(this, handle.Pass()) { | |
| 529 binding_.set_connection_error_handler( | |
| 530 [this]() { *error_received_ = true; }); | |
| 531 } | |
| 532 ~WeakMathCalculatorImpl() override { *destroyed_ = true; } | |
| 533 | |
| 534 void Clear(const CalcCallback& callback) override { callback.Run(total_); } | |
| 535 | |
| 536 void Add(double value, const CalcCallback& callback) override { | |
| 537 total_ += value; | |
| 538 callback.Run(total_); | |
| 539 } | |
| 540 | |
| 541 void Multiply(double value, const CalcCallback& callback) override { | |
| 542 total_ *= value; | |
| 543 callback.Run(total_); | |
| 544 } | |
| 545 | |
| 546 private: | |
| 547 double total_ = 0.0; | |
| 548 bool* error_received_; | |
| 549 bool* destroyed_; | |
| 550 | |
| 551 Binding<math::Calculator> binding_; | |
| 552 }; | |
| 553 | |
| 554 TEST(WeakConnectorTest, Math) { | |
| 555 RunLoop loop; | |
| 556 | |
| 557 bool error_received = false; | |
| 558 bool destroyed = false; | |
| 559 MessagePipe pipe; | |
| 560 WeakMathCalculatorImpl impl(pipe.handle0.Pass(), &error_received, &destroyed); | |
| 561 | |
| 562 math::CalculatorPtr calc; | |
| 563 calc.Bind(InterfaceHandle<math::Calculator>(pipe.handle1.Pass(), 0u)); | |
| 564 | |
| 565 { | |
| 566 // Suppose this is instantiated in a process that has the other end of the | |
| 567 // message pipe. | |
| 568 MathCalculatorUI calculator_ui(calc.Pass()); | |
| 569 | |
| 570 calculator_ui.Add(2.0); | |
| 571 calculator_ui.Multiply(5.0); | |
| 572 | |
| 573 loop.RunUntilIdle(); | |
| 574 | |
| 575 EXPECT_EQ(10.0, calculator_ui.GetOutput()); | |
| 576 EXPECT_FALSE(error_received); | |
| 577 EXPECT_FALSE(destroyed); | |
| 578 // Destroying calculator_ui should close the pipe and generate an error on | |
| 579 // the other | |
| 580 // end which will destroy the instance since it is strongly bound. | |
| 581 } | |
| 582 | |
| 583 loop.RunUntilIdle(); | |
| 584 EXPECT_TRUE(error_received); | |
| 585 EXPECT_FALSE(destroyed); | |
| 586 } | |
| 587 | |
| 588 class CImpl : public C { | |
| 589 public: | |
| 590 CImpl(bool* d_called, InterfaceRequest<C> request) | |
| 591 : d_called_(d_called), | |
| 592 binding_(this, request.Pass()) {} | |
| 593 ~CImpl() override {} | |
| 594 | |
| 595 private: | |
| 596 void D() override { | |
| 597 *d_called_ = true; | |
| 598 } | |
| 599 | |
| 600 bool* d_called_; | |
| 601 StrongBinding<C> binding_; | |
| 602 }; | |
| 603 | |
| 604 class BImpl : public B { | |
| 605 public: | |
| 606 BImpl(bool* d_called, InterfaceRequest<B> request) | |
| 607 : d_called_(d_called), | |
| 608 binding_(this, request.Pass()) {} | |
| 609 ~BImpl() override {} | |
| 610 | |
| 611 private: | |
| 612 void GetC(InterfaceRequest<C> c) override { | |
| 613 new CImpl(d_called_, c.Pass()); | |
| 614 } | |
| 615 | |
| 616 bool* d_called_; | |
| 617 StrongBinding<B> binding_; | |
| 618 }; | |
| 619 | |
| 620 class AImpl : public A { | |
| 621 public: | |
| 622 explicit AImpl(InterfaceRequest<A> request) | |
| 623 : d_called_(false), | |
| 624 binding_(this, request.Pass()) {} | |
| 625 ~AImpl() override {} | |
| 626 | |
| 627 bool d_called() const { return d_called_; } | |
| 628 | |
| 629 private: | |
| 630 void GetB(InterfaceRequest<B> b) override { | |
| 631 new BImpl(&d_called_, b.Pass()); | |
| 632 } | |
| 633 | |
| 634 bool d_called_; | |
| 635 Binding<A> binding_; | |
| 636 }; | |
| 637 | |
| 638 TEST_F(InterfacePtrTest, Scoping) { | |
| 639 APtr a; | |
| 640 AImpl a_impl(GetProxy(&a)); | |
| 641 | |
| 642 EXPECT_FALSE(a_impl.d_called()); | |
| 643 | |
| 644 { | |
| 645 BPtr b; | |
| 646 a->GetB(GetProxy(&b)); | |
| 647 CPtr c; | |
| 648 b->GetC(GetProxy(&c)); | |
| 649 c->D(); | |
| 650 } | |
| 651 | |
| 652 // While B & C have fallen out of scope, the pipes will remain until they are | |
| 653 // flushed. | |
| 654 EXPECT_FALSE(a_impl.d_called()); | |
| 655 PumpMessages(); | |
| 656 EXPECT_TRUE(a_impl.d_called()); | |
| 657 } | |
| 658 | |
| 659 } // namespace | |
| 660 } // namespace test | |
| 661 } // namespace mojo | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2250183003:
Make the fuchsia mojo/public repo the source of truth. (Closed)
Base URL: https://github.com/domokit/mojo.git@master