Dart: Reorganize files

mojo/dart/embedder/test/dart_to_cpp_tests.cc

Index: mojo/dart/embedder/test/dart_to_cpp_tests.cc
diff --git a/mojo/dart/embedder/test/dart_to_cpp_tests.cc b/mojo/dart/embedder/test/dart_to_cpp_tests.cc
deleted file mode 100644
index 4b7a703e2dee052752c23e3bb0eae71972b54d2d..0000000000000000000000000000000000000000
--- a/mojo/dart/embedder/test/dart_to_cpp_tests.cc
+++ /dev/null
@@ -1,360 +0,0 @@
-// 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 <stdint.h>
-
-#include "base/bind.h"
-#include "base/files/file_path.h"
-#include "base/macros.h"
-#include "base/message_loop/message_loop.h"
-#include "base/path_service.h"
-#include "base/rand_util.h"
-#include "base/run_loop.h"
-#include "base/threading/thread.h"
-#include "mojo/dart/embedder/dart_controller.h"
-#include "mojo/dart/embedder/test/dart_test.h"
-#include "mojo/dart/embedder/test/dart_to_cpp.mojom.h"
-#include "mojo/public/cpp/bindings/strong_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 dart {
-
-// Global value updated by some checks to prevent compilers from optimizing
-// reads out of existence.
-uint32_t 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_t kExpectedInt8Value = -65;
-const int16_t kExpectedInt16Value = -16961;
-const int32_t kExpectedInt32Value = -1145258561;
-const int64_t kExpectedInt64Value = -77263311946305LL;
-
-// Positive numbers with different values in each byte, the last of
-// which can survive promotion to double and back.
-const uint8_t kExpectedUInt8Value = 65;
-const uint16_t kExpectedUInt16Value = 16961;
-const uint32_t kExpectedUInt32Value = 1145258561;
-const uint64_t 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]);
-  }
-}
-
-dart_to_cpp::EchoArgsPtr BuildSampleEchoArgs() {
-  dart_to_cpp::EchoArgsPtr args(dart_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";
-  auto string_array = Array<String>::New(3);
-  string_array[0] = "one";
-  string_array[1] = "two";
-  string_array[2] = "three";
-  args->string_array = string_array.Pass();
-  return args;
-}
-
-void CheckSampleEchoArgs(const dart_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 dart_to_cpp::EchoArgsListPtr& list) {
-  if (list.is_null())
-    return;
-  CheckSampleEchoArgs(*list->item);
-  CheckSampleEchoArgsList(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 dart_to_cpp::CppSide {
- public:
-  CppSideConnection() :
-      run_loop_(NULL),
-      dart_side_(NULL),
-      mishandled_messages_(0),
-      binding_(this) {
-  }
-  ~CppSideConnection() override {}
-
-  void Bind(InterfaceRequest<dart_to_cpp::CppSide> request) {
-    binding_.Bind(request.Pass());
-  }
-
-  void set_run_loop(base::RunLoop* run_loop) { run_loop_ = run_loop; }
-  base::RunLoop* run_loop() { return run_loop_; }
-
-  void set_dart_side(dart_to_cpp::DartSide* dart_side) {
-    dart_side_ = dart_side;
-  }
-  dart_to_cpp::DartSide* dart_side() { return dart_side_; }
-
-  // dart_to_cpp::CppSide:
-  void StartTest() override { NOTREACHED(); }
-
-  void TestFinished() override { NOTREACHED(); }
-
-  void PingResponse() override { mishandled_messages_ += 1; }
-
-  void EchoResponse(dart_to_cpp::EchoArgsListPtr list) override {
-    mishandled_messages_ += 1;
-  }
-
- protected:
-  base::RunLoop* run_loop_;
-  dart_to_cpp::DartSide* dart_side_;
-  int mishandled_messages_;
-
- private:
-  StrongBinding<dart_to_cpp::CppSide> binding_;
-  DISALLOW_COPY_AND_ASSIGN(CppSideConnection);
-};
-
-// Trivial test to verify a message sent from Dart is received.
-class PingCppSideConnection : public CppSideConnection {
- public:
-  PingCppSideConnection() : got_message_(false) {}
-  ~PingCppSideConnection() override {}
-
-  // dart_to_cpp::CppSide:
-  void StartTest() override {
-    dart_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 {}
-
-  // dart_to_cpp::CppSide:
-  void StartTest() override {
-    dart_side_->Echo(kExpectedMessageCount, BuildSampleEchoArgs());
-  }
-
-  void EchoResponse(dart_to_cpp::EchoArgsListPtr list) override {
-    const dart_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);
-};
-
-}  // namespace
-
-class DartToCppTest : public DartTest {
- public:
-  DartToCppTest() {}
-
-  bool RunTest(const std::string& test, CppSideConnection* cpp_side) {
-    // Putting Dart on its own thread so we can use Dart_RunLoop (called from
-    // DartController::RunDartScript) and base::RunLoop::Run together. Passing
-    // the thread to RunWithDartOnThread instead of inlining that function here
-    // so that we are sure the MessagePipe destructor runs and closes the
-    // handles on the C++ side before the Thread destructor runs and joins on
-    // the Dart thread. Closing the handles on the C++ side must happen first
-    // because it is the client, and therefore the Dart side will run and not
-    // join while handles are still open, until the C++ side closes them.
-    base::Thread dart_thread("dart");
-    cpp_side->set_run_loop(&run_loop_);
-    return RunWithDartOnThread(&dart_thread, test, cpp_side);
-  }
-
- private:
-  base::MessageLoop loop;
-  base::RunLoop run_loop_;
-
-  static void InitializeDartConfig(DartControllerConfig* config,
-                                   const std::string& test,
-                                   MojoHandle handle,
-                                   bool* unhandled_exception,
-                                   int64_t* closed_handles,
-                                   char** error) {
-    base::FilePath path;
-    PathService::Get(base::DIR_SOURCE_ROOT, &path);
-    path = path.AppendASCII("mojo")
-               .AppendASCII("dart")
-               .AppendASCII("embedder")
-               .AppendASCII("test")
-               .AppendASCII(test);
-
-    // Setup the package root.
-    base::FilePath package_root;
-    PathService::Get(base::DIR_EXE, &package_root);
-    package_root = package_root.AppendASCII("gen")
-                               .AppendASCII("dart-pkg")
-                               .AppendASCII("packages");
-
-
-    config->strict_compilation = true;
-    config->script_uri = path.AsUTF8Unsafe();
-    config->package_root = package_root.AsUTF8Unsafe();
-    config->callbacks.exception = base::Bind(
-        &ExceptionCallback, unhandled_exception, closed_handles);
-    config->entropy = GenerateEntropy;
-    config->handle = handle;
-    config->error = error;
-  }
-
-  static void RunDartSide(const DartControllerConfig& config) {
-    DartController::RunDartScript(config);
-  }
-
-  bool RunWithDartOnThread(base::Thread* dart_thread,
-                           const std::string& test,
-                           CppSideConnection* cpp_side) {
-    dart_to_cpp::DartSidePtr dart_side_ptr;
-    auto dart_side_request = GetProxy(&dart_side_ptr);
-
-    dart_to_cpp::CppSidePtr cpp_side_ptr;
-    cpp_side->Bind(GetProxy(&cpp_side_ptr));
-    dart_side_ptr->SetClient(cpp_side_ptr.Pass());
-
-    dart_side_ptr.internal_state()->router_for_testing()->EnableTestingMode();
-
-    cpp_side->set_dart_side(dart_side_ptr.get());
-
-    DartControllerConfig config;
-    char* error;
-    bool unhandled_exception = false;
-    int64_t closed_handles;
-    InitializeDartConfig(
-        &config, test, dart_side_request.PassMessagePipe().release().value(),
-        &unhandled_exception, &closed_handles, &error);
-
-    dart_thread->Start();
-    dart_thread->message_loop()->PostTask(FROM_HERE,
-        base::Bind(&RunDartSide, base::ConstRef(config)));
-
-    run_loop_.Run();
-    return unhandled_exception;
-  }
-
-  DISALLOW_COPY_AND_ASSIGN(DartToCppTest);
-};
-
-TEST_F(DartToCppTest, Ping) {
-  PingCppSideConnection cpp_side_connection;
-  bool unhandled_exception =
-      RunTest("dart_to_cpp_tests.dart", &cpp_side_connection);
-  EXPECT_TRUE(cpp_side_connection.DidSucceed());
-  EXPECT_FALSE(unhandled_exception);
-}
-
-TEST_F(DartToCppTest, Echo) {
-  EchoCppSideConnection cpp_side_connection;
-  bool unhandled_exception =
-      RunTest("dart_to_cpp_tests.dart", &cpp_side_connection);
-  EXPECT_TRUE(cpp_side_connection.DidSucceed());
-  EXPECT_FALSE(unhandled_exception);
-}
-
-}  // namespace dart
-}  // namespace mojo