tools/testgen/src/templates/template_cpp_mock_function

class CLASS_NAME : public COMPONENT_PROTOCOL_NAME, public component_testing::LocalComponent {
 public:
  CLASS_NAME(async_dispatcher_t* dispatcher) : dispatcher_(dispatcher) {}

  // Add your implementation for the mocked functions
  // void FIDLService1(args…) override {
  //
  // }

  void Start(std::unique_ptr<component_testing::LocalComponentHandles> mock_handles) override {
    mock_handles_ = std::move(mock_handles);
    ASSERT_EQ(mock_handles_->outgoing()->AddPublicService(bindings_.GetHandler(this, dispatcher_)), ZX_OK);
  }

 private:
  async_dispatcher_t* dispatcher_;
  fidl::BindingSet<COMPONENT_PROTOCOL_NAME> bindings_;
  std::unique_ptr<component_testing::LocalComponentHandles> mock_handles_;
}