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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 "bindings/core/v8/ScriptController.h" |
| 6 #include "bindings/core/v8/ScriptSourceCode.h" |
| 7 #include "bindings/core/v8/V8BindingForCore.h" |
| 8 #include "bindings/core/v8/V8BindingForTesting.h" |
| 9 #include "bindings/core/v8/V8ScriptRunner.h" |
| 10 #include "core/frame/Settings.h" |
| 11 #include "core/mojo/MojoHandle.h" |
| 12 #include "core/page/Page.h" |
| 13 #include "mojo/public/cpp/bindings/binding.h" |
| 14 #include "mojo/public/cpp/system/wait.h" |
| 15 #include "platform/testing/UnitTestHelpers.h" |
| 16 #include "testing/gtest/include/gtest/gtest.h" |
| 17 #include "third_party/WebKit/Source/core/mojo/tests/JsToCpp.mojom-blink.h" |
| 18 |
| 19 namespace blink { |
| 20 namespace { |
| 21 |
| 22 // Global value updated by some checks to prevent compilers from optimizing |
| 23 // reads out of existence. |
| 24 uint32_t g_waste_accumulator = 0; |
| 25 |
| 26 // Negative numbers with different values in each byte, the last of |
| 27 // which can survive promotion to double and back. |
| 28 const int8_t kExpectedInt8Value = -65; |
| 29 const int16_t kExpectedInt16Value = -16961; |
| 30 const int32_t kExpectedInt32Value = -1145258561; |
| 31 const int64_t kExpectedInt64Value = -77263311946305LL; |
| 32 |
| 33 // Positive numbers with different values in each byte, the last of |
| 34 // which can survive promotion to double and back. |
| 35 const uint8_t kExpectedUInt8Value = 65; |
| 36 const uint16_t kExpectedUInt16Value = 16961; |
| 37 const uint32_t kExpectedUInt32Value = 1145258561; |
| 38 const uint64_t kExpectedUInt64Value = 77263311946305LL; |
| 39 |
| 40 // Double/float values, including special case constants. |
| 41 const double kExpectedDoubleVal = 3.14159265358979323846; |
| 42 const double kExpectedDoubleInf = std::numeric_limits<double>::infinity(); |
| 43 const double kExpectedDoubleNan = std::numeric_limits<double>::quiet_NaN(); |
| 44 const float kExpectedFloatVal = static_cast<float>(kExpectedDoubleVal); |
| 45 const float kExpectedFloatInf = std::numeric_limits<float>::infinity(); |
| 46 const float kExpectedFloatNan = std::numeric_limits<float>::quiet_NaN(); |
| 47 |
| 48 // NaN has the property that it is not equal to itself. |
| 49 #define EXPECT_NAN(x) EXPECT_NE(x, x) |
| 50 |
| 51 String MojoBindingsScriptPath() { |
| 52 String filepath = testing::ExecutableDir(); |
| 53 filepath.append("/gen/mojo/public/js/mojo_bindings.js"); |
| 54 return filepath; |
| 55 } |
| 56 |
| 57 String TestBindingsScriptPath() { |
| 58 String filepath = testing::ExecutableDir(); |
| 59 filepath.append( |
| 60 "/gen/third_party/WebKit/Source/core/mojo/tests/JsToCpp.mojom.js"); |
| 61 return filepath; |
| 62 } |
| 63 |
| 64 String TestScriptPath() { |
| 65 String filepath = testing::BlinkRootDir(); |
| 66 filepath.append("/Source/core/mojo/tests/JsToCppTest.js"); |
| 67 return filepath; |
| 68 } |
| 69 |
| 70 v8::Local<v8::Value> ExecuteScript(const String& script_path, |
| 71 LocalFrame& frame) { |
| 72 RefPtr<SharedBuffer> script_src = testing::ReadFromFile(script_path); |
| 73 return frame.GetScriptController().ExecuteScriptInMainWorldAndReturnValue( |
| 74 ScriptSourceCode(String(script_src->Data(), script_src->size()))); |
| 75 } |
| 76 |
| 77 void CheckDataPipe(mojo::DataPipeConsumerHandle data_pipe_handle) { |
| 78 const void* buffer = nullptr; |
| 79 unsigned num_bytes = 0; |
| 80 MojoResult result = Wait(data_pipe_handle, MOJO_HANDLE_SIGNAL_READABLE); |
| 81 EXPECT_EQ(MOJO_RESULT_OK, result); |
| 82 result = BeginReadDataRaw(data_pipe_handle, &buffer, &num_bytes, |
| 83 MOJO_READ_DATA_FLAG_NONE); |
| 84 EXPECT_EQ(MOJO_RESULT_OK, result); |
| 85 EXPECT_EQ(64u, num_bytes); |
| 86 for (unsigned i = 0; i < num_bytes; ++i) { |
| 87 EXPECT_EQ(i, static_cast<unsigned>(static_cast<const char*>(buffer)[i])); |
| 88 } |
| 89 EndReadDataRaw(data_pipe_handle, num_bytes); |
| 90 } |
| 91 |
| 92 void CheckMessagePipe(mojo::MessagePipeHandle message_pipe_handle) { |
| 93 unsigned char buffer[100]; |
| 94 uint32_t buffer_size = static_cast<uint32_t>(sizeof(buffer)); |
| 95 MojoResult result = Wait(message_pipe_handle, MOJO_HANDLE_SIGNAL_READABLE); |
| 96 EXPECT_EQ(MOJO_RESULT_OK, result); |
| 97 result = ReadMessageRaw(message_pipe_handle, buffer, &buffer_size, 0, 0, 0); |
| 98 EXPECT_EQ(MOJO_RESULT_OK, result); |
| 99 EXPECT_EQ(64u, buffer_size); |
| 100 for (int i = 0; i < 64; ++i) { |
| 101 EXPECT_EQ(255 - i, buffer[i]); |
| 102 } |
| 103 } |
| 104 |
| 105 js_to_cpp::blink::EchoArgsPtr BuildSampleEchoArgs() { |
| 106 auto args = js_to_cpp::blink::EchoArgs::New(); |
| 107 args->si64 = kExpectedInt64Value; |
| 108 args->si32 = kExpectedInt32Value; |
| 109 args->si16 = kExpectedInt16Value; |
| 110 args->si8 = kExpectedInt8Value; |
| 111 args->ui64 = kExpectedUInt64Value; |
| 112 args->ui32 = kExpectedUInt32Value; |
| 113 args->ui16 = kExpectedUInt16Value; |
| 114 args->ui8 = kExpectedUInt8Value; |
| 115 args->float_val = kExpectedFloatVal; |
| 116 args->float_inf = kExpectedFloatInf; |
| 117 args->float_nan = kExpectedFloatNan; |
| 118 args->double_val = kExpectedDoubleVal; |
| 119 args->double_inf = kExpectedDoubleInf; |
| 120 args->double_nan = kExpectedDoubleNan; |
| 121 args->name = "coming"; |
| 122 args->string_array.emplace(3); |
| 123 (*args->string_array)[0] = "one"; |
| 124 (*args->string_array)[1] = "two"; |
| 125 (*args->string_array)[2] = "three"; |
| 126 return args; |
| 127 } |
| 128 |
| 129 void CheckSampleEchoArgs(const js_to_cpp::blink::EchoArgsPtr& arg) { |
| 130 EXPECT_EQ(kExpectedInt64Value, arg->si64); |
| 131 EXPECT_EQ(kExpectedInt32Value, arg->si32); |
| 132 EXPECT_EQ(kExpectedInt16Value, arg->si16); |
| 133 EXPECT_EQ(kExpectedInt8Value, arg->si8); |
| 134 EXPECT_EQ(kExpectedUInt64Value, arg->ui64); |
| 135 EXPECT_EQ(kExpectedUInt32Value, arg->ui32); |
| 136 EXPECT_EQ(kExpectedUInt16Value, arg->ui16); |
| 137 EXPECT_EQ(kExpectedUInt8Value, arg->ui8); |
| 138 EXPECT_EQ(kExpectedFloatVal, arg->float_val); |
| 139 EXPECT_EQ(kExpectedFloatInf, arg->float_inf); |
| 140 EXPECT_NAN(arg->float_nan); |
| 141 EXPECT_EQ(kExpectedDoubleVal, arg->double_val); |
| 142 EXPECT_EQ(kExpectedDoubleInf, arg->double_inf); |
| 143 EXPECT_NAN(arg->double_nan); |
| 144 EXPECT_EQ(String("coming"), arg->name); |
| 145 EXPECT_EQ(String("one"), (*arg->string_array)[0]); |
| 146 EXPECT_EQ(String("two"), (*arg->string_array)[1]); |
| 147 EXPECT_EQ(String("three"), (*arg->string_array)[2]); |
| 148 CheckDataPipe(arg->data_handle.get()); |
| 149 CheckMessagePipe(arg->message_handle.get()); |
| 150 } |
| 151 |
| 152 void CheckSampleEchoArgsList(const js_to_cpp::blink::EchoArgsListPtr& list) { |
| 153 if (list.is_null()) |
| 154 return; |
| 155 CheckSampleEchoArgs(list->item); |
| 156 CheckSampleEchoArgsList(list->next); |
| 157 } |
| 158 |
| 159 // More forgiving checks are needed in the face of potentially corrupt |
| 160 // messages. The values don't matter so long as all accesses are within |
| 161 // bounds. |
| 162 void CheckCorruptedString(const String& arg) { |
| 163 for (size_t i = 0; i < arg.length(); ++i) |
| 164 g_waste_accumulator += arg[i]; |
| 165 } |
| 166 |
| 167 void CheckCorruptedStringArray(const Optional<Vector<String>>& string_array) { |
| 168 if (!string_array) |
| 169 return; |
| 170 for (size_t i = 0; i < string_array->size(); ++i) |
| 171 CheckCorruptedString((*string_array)[i]); |
| 172 } |
| 173 |
| 174 void CheckCorruptedDataPipe(mojo::DataPipeConsumerHandle data_pipe_handle) { |
| 175 unsigned char buffer[100]; |
| 176 uint32_t buffer_size = static_cast<uint32_t>(sizeof(buffer)); |
| 177 MojoResult result = ReadDataRaw(data_pipe_handle, buffer, &buffer_size, |
| 178 MOJO_READ_DATA_FLAG_NONE); |
| 179 if (result != MOJO_RESULT_OK) |
| 180 return; |
| 181 for (uint32_t i = 0; i < buffer_size; ++i) |
| 182 g_waste_accumulator += buffer[i]; |
| 183 } |
| 184 |
| 185 void CheckCorruptedMessagePipe(mojo::MessagePipeHandle message_pipe_handle) { |
| 186 unsigned char buffer[100]; |
| 187 uint32_t buffer_size = static_cast<uint32_t>(sizeof(buffer)); |
| 188 MojoResult result = |
| 189 ReadMessageRaw(message_pipe_handle, buffer, &buffer_size, 0, 0, 0); |
| 190 if (result != MOJO_RESULT_OK) |
| 191 return; |
| 192 for (uint32_t i = 0; i < buffer_size; ++i) |
| 193 g_waste_accumulator += buffer[i]; |
| 194 } |
| 195 |
| 196 void CheckCorruptedEchoArgs(const js_to_cpp::blink::EchoArgsPtr& arg) { |
| 197 if (arg.is_null()) |
| 198 return; |
| 199 CheckCorruptedString(arg->name); |
| 200 CheckCorruptedStringArray(arg->string_array); |
| 201 if (arg->data_handle.is_valid()) |
| 202 CheckCorruptedDataPipe(arg->data_handle.get()); |
| 203 if (arg->message_handle.is_valid()) |
| 204 CheckCorruptedMessagePipe(arg->message_handle.get()); |
| 205 } |
| 206 |
| 207 void CheckCorruptedEchoArgsList(const js_to_cpp::blink::EchoArgsListPtr& list) { |
| 208 if (list.is_null()) |
| 209 return; |
| 210 CheckCorruptedEchoArgs(list->item); |
| 211 CheckCorruptedEchoArgsList(list->next); |
| 212 } |
| 213 |
| 214 // Base Provider implementation class. It's expected that tests subclass and |
| 215 // override the appropriate Provider functions. When test is done quit the |
| 216 // run_loop(). |
| 217 class CppSideConnection : public js_to_cpp::blink::CppSide { |
| 218 public: |
| 219 CppSideConnection() : mishandled_messages_(0), binding_(this) {} |
| 220 ~CppSideConnection() override {} |
| 221 |
| 222 void set_js_side(js_to_cpp::blink::JsSidePtr js_side) { |
| 223 js_side_ = std::move(js_side); |
| 224 } |
| 225 js_to_cpp::blink::JsSide* js_side() { return js_side_.get(); } |
| 226 |
| 227 void Bind(mojo::InterfaceRequest<js_to_cpp::blink::CppSide> request) { |
| 228 binding_.Bind(std::move(request)); |
| 229 // Keep the pipe open even after validation errors. |
| 230 binding_.EnableTestingMode(); |
| 231 } |
| 232 |
| 233 // js_to_cpp::CppSide: |
| 234 void StartTest() override { NOTREACHED(); } |
| 235 |
| 236 void TestFinished() override { NOTREACHED(); } |
| 237 |
| 238 void PingResponse() override { mishandled_messages_ += 1; } |
| 239 |
| 240 void EchoResponse(js_to_cpp::blink::EchoArgsListPtr list) override { |
| 241 mishandled_messages_ += 1; |
| 242 } |
| 243 |
| 244 void BitFlipResponse( |
| 245 js_to_cpp::blink::EchoArgsListPtr list, |
| 246 js_to_cpp::blink::ForTestingAssociatedPtrInfo not_used) override { |
| 247 mishandled_messages_ += 1; |
| 248 } |
| 249 |
| 250 void BackPointerResponse(js_to_cpp::blink::EchoArgsListPtr list) override { |
| 251 mishandled_messages_ += 1; |
| 252 } |
| 253 |
| 254 protected: |
| 255 js_to_cpp::blink::JsSidePtr js_side_; |
| 256 int mishandled_messages_; |
| 257 mojo::Binding<js_to_cpp::blink::CppSide> binding_; |
| 258 }; |
| 259 |
| 260 // Trivial test to verify a message sent from JS is received. |
| 261 class PingCppSideConnection : public CppSideConnection { |
| 262 public: |
| 263 PingCppSideConnection() : got_message_(false) {} |
| 264 ~PingCppSideConnection() override {} |
| 265 |
| 266 // js_to_cpp::CppSide: |
| 267 void StartTest() override { js_side_->Ping(); } |
| 268 |
| 269 void PingResponse() override { |
| 270 got_message_ = true; |
| 271 testing::ExitRunLoop(); |
| 272 } |
| 273 |
| 274 bool DidSucceed() { return got_message_ && !mishandled_messages_; } |
| 275 |
| 276 private: |
| 277 bool got_message_; |
| 278 }; |
| 279 |
| 280 // Test that parameters are passed with correct values. |
| 281 class EchoCppSideConnection : public CppSideConnection { |
| 282 public: |
| 283 EchoCppSideConnection() : message_count_(0), termination_seen_(false) {} |
| 284 ~EchoCppSideConnection() override {} |
| 285 |
| 286 // js_to_cpp::CppSide: |
| 287 void StartTest() override { |
| 288 js_side_->Echo(kExpectedMessageCount, BuildSampleEchoArgs()); |
| 289 } |
| 290 |
| 291 void EchoResponse(js_to_cpp::blink::EchoArgsListPtr list) override { |
| 292 message_count_ += 1; |
| 293 |
| 294 const js_to_cpp::blink::EchoArgsPtr& special_arg = list->item; |
| 295 EXPECT_EQ(-1, special_arg->si64); |
| 296 EXPECT_EQ(-1, special_arg->si32); |
| 297 EXPECT_EQ(-1, special_arg->si16); |
| 298 EXPECT_EQ(-1, special_arg->si8); |
| 299 EXPECT_EQ(String("going"), special_arg->name); |
| 300 CheckDataPipe(special_arg->data_handle.get()); |
| 301 CheckMessagePipe(special_arg->message_handle.get()); |
| 302 |
| 303 CheckSampleEchoArgsList(list->next); |
| 304 } |
| 305 |
| 306 void TestFinished() override { |
| 307 termination_seen_ = true; |
| 308 testing::ExitRunLoop(); |
| 309 } |
| 310 |
| 311 bool DidSucceed() { |
| 312 return termination_seen_ && !mishandled_messages_ && |
| 313 message_count_ == kExpectedMessageCount; |
| 314 } |
| 315 |
| 316 private: |
| 317 static const int kExpectedMessageCount = 10; |
| 318 int message_count_; |
| 319 bool termination_seen_; |
| 320 }; |
| 321 |
| 322 // Test that corrupted messages don't wreak havoc. |
| 323 class BitFlipCppSideConnection : public CppSideConnection { |
| 324 public: |
| 325 BitFlipCppSideConnection() : termination_seen_(false) {} |
| 326 ~BitFlipCppSideConnection() override {} |
| 327 |
| 328 // js_to_cpp::CppSide: |
| 329 void StartTest() override { js_side_->BitFlip(BuildSampleEchoArgs()); } |
| 330 |
| 331 void BitFlipResponse( |
| 332 js_to_cpp::blink::EchoArgsListPtr list, |
| 333 js_to_cpp::blink::ForTestingAssociatedPtrInfo not_used) override { |
| 334 CheckCorruptedEchoArgsList(list); |
| 335 } |
| 336 |
| 337 void TestFinished() override { |
| 338 termination_seen_ = true; |
| 339 testing::ExitRunLoop(); |
| 340 } |
| 341 |
| 342 bool DidSucceed() { return termination_seen_; } |
| 343 |
| 344 private: |
| 345 bool termination_seen_; |
| 346 }; |
| 347 |
| 348 // Test that severely random messages don't wreak havoc. |
| 349 class BackPointerCppSideConnection : public CppSideConnection { |
| 350 public: |
| 351 BackPointerCppSideConnection() : termination_seen_(false) {} |
| 352 ~BackPointerCppSideConnection() override {} |
| 353 |
| 354 // js_to_cpp::CppSide: |
| 355 void StartTest() override { js_side_->BackPointer(BuildSampleEchoArgs()); } |
| 356 |
| 357 void BackPointerResponse(js_to_cpp::blink::EchoArgsListPtr list) override { |
| 358 CheckCorruptedEchoArgsList(list); |
| 359 } |
| 360 |
| 361 void TestFinished() override { |
| 362 termination_seen_ = true; |
| 363 testing::ExitRunLoop(); |
| 364 } |
| 365 |
| 366 bool DidSucceed() { return termination_seen_; } |
| 367 |
| 368 private: |
| 369 bool termination_seen_; |
| 370 }; |
| 371 |
| 372 class JsToCppTest : public ::testing::Test { |
| 373 public: |
| 374 void RunTest(CppSideConnection* cpp_side) { |
| 375 js_to_cpp::blink::CppSidePtr cpp_side_ptr; |
| 376 cpp_side->Bind(MakeRequest(&cpp_side_ptr)); |
| 377 |
| 378 js_to_cpp::blink::JsSidePtr js_side_ptr; |
| 379 auto js_side_request = MakeRequest(&js_side_ptr); |
| 380 js_side_ptr->SetCppSide(std::move(cpp_side_ptr)); |
| 381 cpp_side->set_js_side(std::move(js_side_ptr)); |
| 382 |
| 383 V8TestingScope scope; |
| 384 scope.GetPage().GetSettings().SetScriptEnabled(true); |
| 385 ExecuteScript(MojoBindingsScriptPath(), scope.GetFrame()); |
| 386 ExecuteScript(TestBindingsScriptPath(), scope.GetFrame()); |
| 387 |
| 388 v8::Local<v8::Value> start_fn = |
| 389 ExecuteScript(TestScriptPath(), scope.GetFrame()); |
| 390 ASSERT_FALSE(start_fn.IsEmpty()); |
| 391 ASSERT_TRUE(start_fn->IsFunction()); |
| 392 v8::Local<v8::Object> global_proxy = scope.GetContext()->Global(); |
| 393 v8::Local<v8::Value> args[1] = { |
| 394 ToV8(MojoHandle::Create( |
| 395 mojo::ScopedHandle::From(js_side_request.PassMessagePipe())), |
| 396 global_proxy, scope.GetIsolate())}; |
| 397 V8ScriptRunner::CallFunction( |
| 398 start_fn.As<v8::Function>(), scope.GetExecutionContext(), global_proxy, |
| 399 WTF_ARRAY_LENGTH(args), args, scope.GetIsolate()); |
| 400 testing::EnterRunLoop(); |
| 401 } |
| 402 }; |
| 403 |
| 404 TEST_F(JsToCppTest, Ping) { |
| 405 PingCppSideConnection cpp_side_connection; |
| 406 RunTest(&cpp_side_connection); |
| 407 EXPECT_TRUE(cpp_side_connection.DidSucceed()); |
| 408 } |
| 409 |
| 410 TEST_F(JsToCppTest, Echo) { |
| 411 EchoCppSideConnection cpp_side_connection; |
| 412 RunTest(&cpp_side_connection); |
| 413 EXPECT_TRUE(cpp_side_connection.DidSucceed()); |
| 414 } |
| 415 |
| 416 TEST_F(JsToCppTest, BitFlip) { |
| 417 // These tests generate a lot of expected validation errors. Suppress logging. |
| 418 mojo::internal::ScopedSuppressValidationErrorLoggingForTests log_suppression; |
| 419 |
| 420 BitFlipCppSideConnection cpp_side_connection; |
| 421 RunTest(&cpp_side_connection); |
| 422 EXPECT_TRUE(cpp_side_connection.DidSucceed()); |
| 423 } |
| 424 |
| 425 TEST_F(JsToCppTest, BackPointer) { |
| 426 // These tests generate a lot of expected validation errors. Suppress logging. |
| 427 mojo::internal::ScopedSuppressValidationErrorLoggingForTests log_suppression; |
| 428 |
| 429 BackPointerCppSideConnection cpp_side_connection; |
| 430 RunTest(&cpp_side_connection); |
| 431 EXPECT_TRUE(cpp_side_connection.DidSucceed()); |
| 432 } |
| 433 |
| 434 } // namespace |
| 435 } // namespace blink |
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