Update mojo sdk to rev e01f9a49449381a5eb430c1fd88bf2cae73ec35a

mojo/public/cpp/bindings/tests/interface_ptr_unittest.cc

 // Copyright 2013 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 "mojo/public/cpp/bindings/binding.h"
 #include "mojo/public/cpp/bindings/error_handler.h"
+#include "mojo/public/cpp/bindings/strong_binding.h"
 #include "mojo/public/cpp/environment/environment.h"
 #include "mojo/public/cpp/utility/run_loop.h"
 #include "mojo/public/interfaces/bindings/tests/math_calculator.mojom.h"
 #include "mojo/public/interfaces/bindings/tests/sample_service.mojom.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace mojo {
 namespace test {
 namespace {
 
 class ErrorObserver : public ErrorHandler {
  public:
   ErrorObserver() : encountered_error_(false) {}
 
   bool encountered_error() const { return encountered_error_; }
 
   void OnConnectionError() override { encountered_error_ = true; }
 
  private:
   bool encountered_error_;
 };
 
 class MathCalculatorImpl : public InterfaceImpl<math::Calculator> {
  public:
   ~MathCalculatorImpl() override {}
 
-  MathCalculatorImpl() : total_(0.0), got_connection_(false) {}
-
-  void OnConnectionEstablished() override { got_connection_ = true; }
+  MathCalculatorImpl() : total_(0.0) {}
 
   void Clear() override { client()->Output(total_); }
 
   void Add(double value) override {
     total_ += value;
     client()->Output(total_);
   }
 
   void Multiply(double value) override {
     total_ *= value;
     client()->Output(total_);
   }
 
-  bool got_connection() const { return got_connection_; }
-
  private:
   double total_;
-  bool got_connection_;
 };
 
 class MathCalculatorUIImpl : public math::CalculatorUI {
  public:
   explicit MathCalculatorUIImpl(math::CalculatorPtr calculator)
       : calculator_(calculator.Pass()), output_(0.0) {
     calculator_.set_client(this);
   }
 
   bool WaitForIncomingMethodCall() {
@@ skipping 53 matching lines @@
   static int num_instances_;
 };
 
 // static
 int SelfDestructingMathCalculatorUIImpl::num_instances_ = 0;
 
 class ReentrantServiceImpl : public InterfaceImpl<sample::Service> {
  public:
   ~ReentrantServiceImpl() override {}
 
-  ReentrantServiceImpl()
-      : got_connection_(false), call_depth_(0), max_call_depth_(0) {}
-
-  void OnConnectionEstablished() override { got_connection_ = true; }
-
-  bool got_connection() const { return got_connection_; }
+  ReentrantServiceImpl() : call_depth_(0), max_call_depth_(0) {}
 
   int max_call_depth() { return max_call_depth_; }
 
   void Frobinate(sample::FooPtr foo,
                  sample::Service::BazOptions baz,
                  sample::PortPtr port) override {
     max_call_depth_ = std::max(++call_depth_, max_call_depth_);
     if (call_depth_ == 1) {
       EXPECT_TRUE(WaitForIncomingMethodCall());
     }
     call_depth_--;
   }
 
   void GetPort(mojo::InterfaceRequest<sample::Port> port) override {}
 
  private:
-  bool got_connection_;
   int call_depth_;
   int max_call_depth_;
 };
 
 class InterfacePtrTest : public testing::Test {
  public:
   ~InterfacePtrTest() override { loop_.RunUntilIdle(); }
 
   void PumpMessages() { loop_.RunUntilIdle(); }
 
  private:
   Environment env_;
   RunLoop loop_;
 };
 
 TEST_F(InterfacePtrTest, EndToEnd) {
   math::CalculatorPtr calc;
-  MathCalculatorImpl* impl = BindToProxy(new MathCalculatorImpl(), &calc);
-  EXPECT_TRUE(impl->got_connection());
+  BindToProxy(new MathCalculatorImpl(), &calc);
 
   // Suppose this is instantiated in a process that has pipe1_.
   MathCalculatorUIImpl calculator_ui(calc.Pass());
 
   calculator_ui.Add(2.0);
   calculator_ui.Multiply(5.0);
 
   PumpMessages();
 
   EXPECT_EQ(10.0, calculator_ui.GetOutput());
 }
 
 TEST_F(InterfacePtrTest, EndToEnd_Synchronous) {
   math::CalculatorPtr calc;
   MathCalculatorImpl* impl = BindToProxy(new MathCalculatorImpl(), &calc);
-  EXPECT_TRUE(impl->got_connection());
 
   // Suppose this is instantiated in a process that has pipe1_.
   MathCalculatorUIImpl calculator_ui(calc.Pass());
 
   EXPECT_EQ(0.0, calculator_ui.GetOutput());
 
   calculator_ui.Add(2.0);
   EXPECT_EQ(0.0, calculator_ui.GetOutput());
   impl->WaitForIncomingMethodCall();
   calculator_ui.WaitForIncomingMethodCall();
@@ skipping 51 matching lines @@
 
   calculator_ui.Add(2.0);
   PumpMessages();
   EXPECT_EQ(2.0, calculator_ui.GetOutput());
   EXPECT_FALSE(calculator_ui.encountered_error());
 
   calculator_ui.Multiply(5.0);
   EXPECT_FALSE(calculator_ui.encountered_error());
 
   // Close the server.
-  server->internal_state()->router()->CloseMessagePipe();
+  server->internal_router()->CloseMessagePipe();
 
   // The state change isn't picked up locally yet.
   EXPECT_FALSE(calculator_ui.encountered_error());
 
   PumpMessages();
 
   // OK, now we see the error.
   EXPECT_TRUE(calculator_ui.encountered_error());
 }
 
 TEST_F(InterfacePtrTest, EncounteredErrorCallback) {
   math::CalculatorPtr proxy;
   MathCalculatorImpl* server = BindToProxy(new MathCalculatorImpl(), &proxy);
 
   ErrorObserver error_observer;
   proxy.set_error_handler(&error_observer);
 
   MathCalculatorUIImpl calculator_ui(proxy.Pass());
 
   calculator_ui.Add(2.0);
   PumpMessages();
   EXPECT_EQ(2.0, calculator_ui.GetOutput());
   EXPECT_FALSE(calculator_ui.encountered_error());
 
   calculator_ui.Multiply(5.0);
   EXPECT_FALSE(calculator_ui.encountered_error());
 
   // Close the server.
-  server->internal_state()->router()->CloseMessagePipe();
+  server->internal_router()->CloseMessagePipe();
 
   // The state change isn't picked up locally yet.
   EXPECT_FALSE(calculator_ui.encountered_error());
 
   PumpMessages();
 
   // OK, now we see the error.
   EXPECT_TRUE(calculator_ui.encountered_error());
 
   // We should have also been able to observe the error through the
@@ skipping 35 matching lines @@
   impl->BeginTest(true);
 
   PumpMessages();
 
   EXPECT_EQ(0, SelfDestructingMathCalculatorUIImpl::num_instances());
 }
 
 TEST_F(InterfacePtrTest, ReentrantWaitForIncomingMethodCall) {
   sample::ServicePtr proxy;
   ReentrantServiceImpl* impl = BindToProxy(new ReentrantServiceImpl(), &proxy);
-  EXPECT_TRUE(impl->got_connection());
 
   proxy->Frobinate(sample::FooPtr(),
                    sample::Service::BAZ_OPTIONS_REGULAR,
                    sample::PortPtr());
   proxy->Frobinate(sample::FooPtr(),
                    sample::Service::BAZ_OPTIONS_REGULAR,
                    sample::PortPtr());
 
   PumpMessages();
 
   EXPECT_EQ(2, impl->max_call_depth());
 }
 
+class StrongMathCalculatorImpl : public math::Calculator, public ErrorHandler {
+ public:
+  StrongMathCalculatorImpl(ScopedMessagePipeHandle handle,
+                           bool* error_received,
+                           bool* destroyed)
+      : error_received_(error_received),
+        destroyed_(destroyed),
+        binding_(this, handle.Pass()) {
+    binding_.set_error_handler(this);
+  }
+  ~StrongMathCalculatorImpl() override { *destroyed_ = true; }
+
+  // math::Calculator implementation.
+  void Clear() override { binding_.client()->Output(total_); }
+
+  void Add(double value) override {
+    total_ += value;
+    binding_.client()->Output(total_);
+  }
+
+  void Multiply(double value) override {
+    total_ *= value;
+    binding_.client()->Output(total_);
+  }
+
+  // ErrorHandler implementation.
+  void OnConnectionError() override { *error_received_ = true; }
+
+ private:
+  double total_ = 0.0;
+  bool* error_received_;
+  bool* destroyed_;
+
+  StrongBinding<math::Calculator> binding_;
+};
+
+TEST(StrongConnectorTest, Math) {
+  Environment env;
+  RunLoop loop;
+
+  bool error_received = false;
+  bool destroyed = false;
+  MessagePipe pipe;
+  new StrongMathCalculatorImpl(pipe.handle0.Pass(), &error_received,
+                               &destroyed);
+
+  math::CalculatorPtr calc;
+  calc.Bind(pipe.handle1.Pass());
+
+  {
+    // Suppose this is instantiated in a process that has the other end of the
+    // message pipe.
+    MathCalculatorUIImpl calculator_ui(calc.Pass());
+
+    calculator_ui.Add(2.0);
+    calculator_ui.Multiply(5.0);
+
+    loop.RunUntilIdle();
+
+    EXPECT_EQ(10.0, calculator_ui.GetOutput());
+    EXPECT_FALSE(error_received);
+    EXPECT_FALSE(destroyed);
+  }
+  // Destroying calculator_ui should close the pipe and generate an error on the
+  // other
+  // end which will destroy the instance since it is strongly bound.
+
+  loop.RunUntilIdle();
+  EXPECT_TRUE(error_received);
+  EXPECT_TRUE(destroyed);
+}
+
+class WeakMathCalculatorImpl : public math::Calculator, public ErrorHandler {
+ public:
+  WeakMathCalculatorImpl(ScopedMessagePipeHandle handle,
+                         bool* error_received,
+                         bool* destroyed)
+      : error_received_(error_received),
+        destroyed_(destroyed),
+        binding_(this, handle.Pass()) {
+    binding_.set_error_handler(this);
+  }
+  ~WeakMathCalculatorImpl() override { *destroyed_ = true; }
+
+  void Clear() override { binding_.client()->Output(total_); }
+
+  void Add(double value) override {
+    total_ += value;
+    binding_.client()->Output(total_);
+  }
+
+  void Multiply(double value) override {
+    total_ *= value;
+    binding_.client()->Output(total_);
+  }
+
+  // ErrorHandler implementation.
+  void OnConnectionError() override { *error_received_ = true; }
+
+ private:
+  double total_ = 0.0;
+  bool* error_received_;
+  bool* destroyed_;
+
+  Binding<math::Calculator> binding_;
+};
+
+TEST(WeakConnectorTest, Math) {
+  Environment env;
+  RunLoop loop;
+
+  bool error_received = false;
+  bool destroyed = false;
+  MessagePipe pipe;
+  WeakMathCalculatorImpl impl(pipe.handle0.Pass(), &error_received, &destroyed);
+
+  math::CalculatorPtr calc;
+  calc.Bind(pipe.handle1.Pass());
+
+  {
+    // Suppose this is instantiated in a process that has the other end of the
+    // message pipe.
+    MathCalculatorUIImpl calculator_ui(calc.Pass());
+
+    calculator_ui.Add(2.0);
+    calculator_ui.Multiply(5.0);
+
+    loop.RunUntilIdle();
+
+    EXPECT_EQ(10.0, calculator_ui.GetOutput());
+    EXPECT_FALSE(error_received);
+    EXPECT_FALSE(destroyed);
+    // Destroying calculator_ui should close the pipe and generate an error on
+    // the other
+    // end which will destroy the instance since it is strongly bound.
+  }
+
+  loop.RunUntilIdle();
+  EXPECT_TRUE(error_received);
+  EXPECT_FALSE(destroyed);
+}
+
 }  // namespace
 }  // namespace test
 }  // namespace mojo