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Diffstat (limited to 'mojo/edk/js/tests/js_to_cpp_tests.cc')
| -rw-r--r-- | mojo/edk/js/tests/js_to_cpp_tests.cc | 427 |
1 files changed, 427 insertions, 0 deletions
diff --git a/mojo/edk/js/tests/js_to_cpp_tests.cc b/mojo/edk/js/tests/js_to_cpp_tests.cc new file mode 100644 index 0000000..f9a9b92 --- /dev/null +++ b/mojo/edk/js/tests/js_to_cpp_tests.cc @@ -0,0 +1,427 @@ +// Copyright 2014 The Chromium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#include "base/at_exit.h" +#include "base/files/file_path.h" +#include "base/files/file_util.h" +#include "base/macros.h" +#include "base/message_loop/message_loop.h" +#include "base/run_loop.h" +#include "base/strings/utf_string_conversions.h" +#include "gin/array_buffer.h" +#include "gin/public/isolate_holder.h" +#include "mojo/edk/js/mojo_runner_delegate.h" +#include "mojo/edk/js/tests/js_to_cpp.mojom.h" +#include "mojo/edk/test/test_utils.h" +#include "mojo/public/cpp/bindings/binding.h" +#include "mojo/public/cpp/system/core.h" +#include "mojo/public/cpp/system/macros.h" +#include "testing/gtest/include/gtest/gtest.h" + +namespace mojo { +namespace edk { + +// Global value updated by some checks to prevent compilers from optimizing +// reads out of existence. +uint32 g_waste_accumulator = 0; + +namespace { + +// Negative numbers with different values in each byte, the last of +// which can survive promotion to double and back. +const int8 kExpectedInt8Value = -65; +const int16 kExpectedInt16Value = -16961; +const int32 kExpectedInt32Value = -1145258561; +const int64 kExpectedInt64Value = -77263311946305LL; + +// Positive numbers with different values in each byte, the last of +// which can survive promotion to double and back. +const uint8 kExpectedUInt8Value = 65; +const uint16 kExpectedUInt16Value = 16961; +const uint32 kExpectedUInt32Value = 1145258561; +const uint64 kExpectedUInt64Value = 77263311946305LL; + +// Double/float values, including special case constants. +const double kExpectedDoubleVal = 3.14159265358979323846; +const double kExpectedDoubleInf = std::numeric_limits<double>::infinity(); +const double kExpectedDoubleNan = std::numeric_limits<double>::quiet_NaN(); +const float kExpectedFloatVal = static_cast<float>(kExpectedDoubleVal); +const float kExpectedFloatInf = std::numeric_limits<float>::infinity(); +const float kExpectedFloatNan = std::numeric_limits<float>::quiet_NaN(); + +// NaN has the property that it is not equal to itself. +#define EXPECT_NAN(x) EXPECT_NE(x, x) + +void CheckDataPipe(MojoHandle data_pipe_handle) { + unsigned char buffer[100]; + uint32_t buffer_size = static_cast<uint32_t>(sizeof(buffer)); + MojoResult result = MojoReadData( + data_pipe_handle, buffer, &buffer_size, MOJO_READ_DATA_FLAG_NONE); + EXPECT_EQ(MOJO_RESULT_OK, result); + EXPECT_EQ(64u, buffer_size); + for (int i = 0; i < 64; ++i) { + EXPECT_EQ(i, buffer[i]); + } +} + +void CheckMessagePipe(MojoHandle message_pipe_handle) { + unsigned char buffer[100]; + uint32_t buffer_size = static_cast<uint32_t>(sizeof(buffer)); + MojoResult result = MojoReadMessage( + message_pipe_handle, buffer, &buffer_size, 0, 0, 0); + EXPECT_EQ(MOJO_RESULT_OK, result); + EXPECT_EQ(64u, buffer_size); + for (int i = 0; i < 64; ++i) { + EXPECT_EQ(255 - i, buffer[i]); + } +} + +js_to_cpp::EchoArgsPtr BuildSampleEchoArgs() { + js_to_cpp::EchoArgsPtr args(js_to_cpp::EchoArgs::New()); + args->si64 = kExpectedInt64Value; + args->si32 = kExpectedInt32Value; + args->si16 = kExpectedInt16Value; + args->si8 = kExpectedInt8Value; + args->ui64 = kExpectedUInt64Value; + args->ui32 = kExpectedUInt32Value; + args->ui16 = kExpectedUInt16Value; + args->ui8 = kExpectedUInt8Value; + args->float_val = kExpectedFloatVal; + args->float_inf = kExpectedFloatInf; + args->float_nan = kExpectedFloatNan; + args->double_val = kExpectedDoubleVal; + args->double_inf = kExpectedDoubleInf; + args->double_nan = kExpectedDoubleNan; + args->name = "coming"; + Array<String> string_array(3); + string_array[0] = "one"; + string_array[1] = "two"; + string_array[2] = "three"; + args->string_array = string_array.Pass(); + return args.Pass(); +} + +void CheckSampleEchoArgs(const js_to_cpp::EchoArgs& arg) { + EXPECT_EQ(kExpectedInt64Value, arg.si64); + EXPECT_EQ(kExpectedInt32Value, arg.si32); + EXPECT_EQ(kExpectedInt16Value, arg.si16); + EXPECT_EQ(kExpectedInt8Value, arg.si8); + EXPECT_EQ(kExpectedUInt64Value, arg.ui64); + EXPECT_EQ(kExpectedUInt32Value, arg.ui32); + EXPECT_EQ(kExpectedUInt16Value, arg.ui16); + EXPECT_EQ(kExpectedUInt8Value, arg.ui8); + EXPECT_EQ(kExpectedFloatVal, arg.float_val); + EXPECT_EQ(kExpectedFloatInf, arg.float_inf); + EXPECT_NAN(arg.float_nan); + EXPECT_EQ(kExpectedDoubleVal, arg.double_val); + EXPECT_EQ(kExpectedDoubleInf, arg.double_inf); + EXPECT_NAN(arg.double_nan); + EXPECT_EQ(std::string("coming"), arg.name.get()); + EXPECT_EQ(std::string("one"), arg.string_array[0].get()); + EXPECT_EQ(std::string("two"), arg.string_array[1].get()); + EXPECT_EQ(std::string("three"), arg.string_array[2].get()); + CheckDataPipe(arg.data_handle.get().value()); + CheckMessagePipe(arg.message_handle.get().value()); +} + +void CheckSampleEchoArgsList(const js_to_cpp::EchoArgsListPtr& list) { + if (list.is_null()) + return; + CheckSampleEchoArgs(*list->item); + CheckSampleEchoArgsList(list->next); +} + +// More forgiving checks are needed in the face of potentially corrupt +// messages. The values don't matter so long as all accesses are within +// bounds. +void CheckCorruptedString(const String& arg) { + if (arg.is_null()) + return; + for (size_t i = 0; i < arg.size(); ++i) + g_waste_accumulator += arg[i]; +} + +void CheckCorruptedStringArray(const Array<String>& string_array) { + if (string_array.is_null()) + return; + for (size_t i = 0; i < string_array.size(); ++i) + CheckCorruptedString(string_array[i]); +} + +void CheckCorruptedDataPipe(MojoHandle data_pipe_handle) { + unsigned char buffer[100]; + uint32_t buffer_size = static_cast<uint32_t>(sizeof(buffer)); + MojoResult result = MojoReadData( + data_pipe_handle, buffer, &buffer_size, MOJO_READ_DATA_FLAG_NONE); + if (result != MOJO_RESULT_OK) + return; + for (uint32_t i = 0; i < buffer_size; ++i) + g_waste_accumulator += buffer[i]; +} + +void CheckCorruptedMessagePipe(MojoHandle message_pipe_handle) { + unsigned char buffer[100]; + uint32_t buffer_size = static_cast<uint32_t>(sizeof(buffer)); + MojoResult result = MojoReadMessage( + message_pipe_handle, buffer, &buffer_size, 0, 0, 0); + if (result != MOJO_RESULT_OK) + return; + for (uint32_t i = 0; i < buffer_size; ++i) + g_waste_accumulator += buffer[i]; +} + +void CheckCorruptedEchoArgs(const js_to_cpp::EchoArgsPtr& arg) { + if (arg.is_null()) + return; + CheckCorruptedString(arg->name); + CheckCorruptedStringArray(arg->string_array); + if (arg->data_handle.is_valid()) + CheckCorruptedDataPipe(arg->data_handle.get().value()); + if (arg->message_handle.is_valid()) + CheckCorruptedMessagePipe(arg->message_handle.get().value()); +} + +void CheckCorruptedEchoArgsList(const js_to_cpp::EchoArgsListPtr& list) { + if (list.is_null()) + return; + CheckCorruptedEchoArgs(list->item); + CheckCorruptedEchoArgsList(list->next); +} + +// Base Provider implementation class. It's expected that tests subclass and +// override the appropriate Provider functions. When test is done quit the +// run_loop(). +class CppSideConnection : public js_to_cpp::CppSide { + public: + CppSideConnection() + : run_loop_(nullptr), + js_side_(nullptr), + mishandled_messages_(0), + binding_(this) {} + ~CppSideConnection() override {} + + void set_run_loop(base::RunLoop* run_loop) { run_loop_ = run_loop; } + base::RunLoop* run_loop() { return run_loop_; } + + void set_js_side(js_to_cpp::JsSide* js_side) { js_side_ = js_side; } + js_to_cpp::JsSide* js_side() { return js_side_; } + + void Bind(InterfaceRequest<js_to_cpp::CppSide> request) { + binding_.Bind(request.Pass()); + // Keep the pipe open even after validation errors. + binding_.internal_router()->EnableTestingMode(); + } + + // js_to_cpp::CppSide: + void StartTest() override { NOTREACHED(); } + + void TestFinished() override { NOTREACHED(); } + + void PingResponse() override { mishandled_messages_ += 1; } + + void EchoResponse(js_to_cpp::EchoArgsListPtr list) override { + mishandled_messages_ += 1; + } + + void BitFlipResponse(js_to_cpp::EchoArgsListPtr list) override { + mishandled_messages_ += 1; + } + + void BackPointerResponse(js_to_cpp::EchoArgsListPtr list) override { + mishandled_messages_ += 1; + } + + protected: + base::RunLoop* run_loop_; + js_to_cpp::JsSide* js_side_; + int mishandled_messages_; + mojo::Binding<js_to_cpp::CppSide> binding_; + + private: + DISALLOW_COPY_AND_ASSIGN(CppSideConnection); +}; + +// Trivial test to verify a message sent from JS is received. +class PingCppSideConnection : public CppSideConnection { + public: + PingCppSideConnection() : got_message_(false) {} + ~PingCppSideConnection() override {} + + // js_to_cpp::CppSide: + void StartTest() override { js_side_->Ping(); } + + void PingResponse() override { + got_message_ = true; + run_loop()->Quit(); + } + + bool DidSucceed() { + return got_message_ && !mishandled_messages_; + } + + private: + bool got_message_; + DISALLOW_COPY_AND_ASSIGN(PingCppSideConnection); +}; + +// Test that parameters are passed with correct values. +class EchoCppSideConnection : public CppSideConnection { + public: + EchoCppSideConnection() : + message_count_(0), + termination_seen_(false) { + } + ~EchoCppSideConnection() override {} + + // js_to_cpp::CppSide: + void StartTest() override { + js_side_->Echo(kExpectedMessageCount, BuildSampleEchoArgs()); + } + + void EchoResponse(js_to_cpp::EchoArgsListPtr list) override { + const js_to_cpp::EchoArgsPtr& special_arg = list->item; + message_count_ += 1; + EXPECT_EQ(-1, special_arg->si64); + EXPECT_EQ(-1, special_arg->si32); + EXPECT_EQ(-1, special_arg->si16); + EXPECT_EQ(-1, special_arg->si8); + EXPECT_EQ(std::string("going"), special_arg->name.To<std::string>()); + CheckSampleEchoArgsList(list->next); + } + + void TestFinished() override { + termination_seen_ = true; + run_loop()->Quit(); + } + + bool DidSucceed() { + return termination_seen_ && + !mishandled_messages_ && + message_count_ == kExpectedMessageCount; + } + + private: + static const int kExpectedMessageCount = 10; + int message_count_; + bool termination_seen_; + DISALLOW_COPY_AND_ASSIGN(EchoCppSideConnection); +}; + +// Test that corrupted messages don't wreak havoc. +class BitFlipCppSideConnection : public CppSideConnection { + public: + BitFlipCppSideConnection() : termination_seen_(false) {} + ~BitFlipCppSideConnection() override {} + + // js_to_cpp::CppSide: + void StartTest() override { js_side_->BitFlip(BuildSampleEchoArgs()); } + + void BitFlipResponse(js_to_cpp::EchoArgsListPtr list) override { + CheckCorruptedEchoArgsList(list); + } + + void TestFinished() override { + termination_seen_ = true; + run_loop()->Quit(); + } + + bool DidSucceed() { + return termination_seen_; + } + + private: + bool termination_seen_; + DISALLOW_COPY_AND_ASSIGN(BitFlipCppSideConnection); +}; + +// Test that severely random messages don't wreak havoc. +class BackPointerCppSideConnection : public CppSideConnection { + public: + BackPointerCppSideConnection() : termination_seen_(false) {} + ~BackPointerCppSideConnection() override {} + + // js_to_cpp::CppSide: + void StartTest() override { js_side_->BackPointer(BuildSampleEchoArgs()); } + + void BackPointerResponse(js_to_cpp::EchoArgsListPtr list) override { + CheckCorruptedEchoArgsList(list); + } + + void TestFinished() override { + termination_seen_ = true; + run_loop()->Quit(); + } + + bool DidSucceed() { + return termination_seen_; + } + + private: + bool termination_seen_; + DISALLOW_COPY_AND_ASSIGN(BackPointerCppSideConnection); +}; + +} // namespace + +class JsToCppTest : public testing::Test { + public: + JsToCppTest() {} + + void RunTest(const std::string& test, CppSideConnection* cpp_side) { + cpp_side->set_run_loop(&run_loop_); + + js_to_cpp::JsSidePtr js_side; + auto js_side_proxy = GetProxy(&js_side); + + cpp_side->set_js_side(js_side.get()); + js_to_cpp::CppSidePtr cpp_side_ptr; + cpp_side->Bind(GetProxy(&cpp_side_ptr)); + + js_side->SetCppSide(cpp_side_ptr.Pass()); + + gin::IsolateHolder::Initialize(gin::IsolateHolder::kStrictMode, + gin::ArrayBufferAllocator::SharedInstance()); + gin::IsolateHolder instance; + MojoRunnerDelegate delegate; + gin::ShellRunner runner(&delegate, instance.isolate()); + delegate.Start(&runner, js_side_proxy.PassMessagePipe().release().value(), + test); + + run_loop_.Run(); + } + + private: + base::ShadowingAtExitManager at_exit_; + base::MessageLoop loop; + base::RunLoop run_loop_; + + DISALLOW_COPY_AND_ASSIGN(JsToCppTest); +}; + +TEST_F(JsToCppTest, Ping) { + PingCppSideConnection cpp_side_connection; + RunTest("mojo/edk/js/tests/js_to_cpp_tests", &cpp_side_connection); + EXPECT_TRUE(cpp_side_connection.DidSucceed()); +} + +TEST_F(JsToCppTest, Echo) { + EchoCppSideConnection cpp_side_connection; + RunTest("mojo/edk/js/tests/js_to_cpp_tests", &cpp_side_connection); + EXPECT_TRUE(cpp_side_connection.DidSucceed()); +} + +TEST_F(JsToCppTest, BitFlip) { + BitFlipCppSideConnection cpp_side_connection; + RunTest("mojo/edk/js/tests/js_to_cpp_tests", &cpp_side_connection); + EXPECT_TRUE(cpp_side_connection.DidSucceed()); +} + +TEST_F(JsToCppTest, BackPointer) { + BackPointerCppSideConnection cpp_side_connection; + RunTest("mojo/edk/js/tests/js_to_cpp_tests", &cpp_side_connection); + EXPECT_TRUE(cpp_side_connection.DidSucceed()); +} + +} // namespace edk +} // namespace mojo |