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// Copyright 2015 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 <stddef.h>
#include <utility>
#include "base/message_loop/message_loop.h"
#include "base/run_loop.h"
#include "mojo/message_pump/message_pump_mojo.h"
#include "mojo/public/cpp/bindings/binding.h"
#include "mojo/public/cpp/test_support/test_support.h"
#include "mojo/public/cpp/test_support/test_utils.h"
#include "mojo/public/interfaces/bindings/tests/ping_service.mojom.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace mojo {
namespace {
const double kMojoTicksPerSecond = 1000000.0;
double MojoTicksToSeconds(MojoTimeTicks ticks) {
return ticks / kMojoTicksPerSecond;
}
class PingServiceImpl : public test::PingService {
public:
PingServiceImpl() {}
~PingServiceImpl() override {}
// |PingService| methods:
void Ping(const Callback<void()>& callback) override;
private:
DISALLOW_COPY_AND_ASSIGN(PingServiceImpl);
};
void PingServiceImpl::Ping(const Callback<void()>& callback) {
callback.Run();
}
class PingPongTest {
public:
explicit PingPongTest(test::PingServicePtr service);
void Run(unsigned int iterations);
private:
void OnPingDone();
test::PingServicePtr service_;
unsigned int iterations_to_run_;
unsigned int current_iterations_;
base::Closure quit_closure_;
DISALLOW_COPY_AND_ASSIGN(PingPongTest);
};
PingPongTest::PingPongTest(test::PingServicePtr service)
: service_(std::move(service)) {}
void PingPongTest::Run(unsigned int iterations) {
iterations_to_run_ = iterations;
current_iterations_ = 0;
base::RunLoop run_loop;
quit_closure_ = run_loop.QuitClosure();
service_->Ping([this]() { OnPingDone(); });
run_loop.Run();
}
void PingPongTest::OnPingDone() {
current_iterations_++;
if (current_iterations_ >= iterations_to_run_) {
quit_closure_.Run();
return;
}
service_->Ping([this]() { OnPingDone(); });
}
struct BoundPingService {
BoundPingService() : binding(&impl) {
binding.Bind(GetProxy(&service));
}
PingServiceImpl impl;
test::PingServicePtr service;
Binding<test::PingService> binding;
};
class MojoBindingsPerftest : public testing::Test {
public:
MojoBindingsPerftest() : loop_(common::MessagePumpMojo::Create()) {}
protected:
base::MessageLoop loop_;
};
TEST_F(MojoBindingsPerftest, InProcessPingPong) {
test::PingServicePtr service;
PingServiceImpl impl;
Binding<test::PingService> binding(&impl, GetProxy(&service));
PingPongTest test(std::move(service));
{
const unsigned int kIterations = 100000;
const MojoTimeTicks start_time = MojoGetTimeTicksNow();
test.Run(kIterations);
const MojoTimeTicks end_time = MojoGetTimeTicksNow();
test::LogPerfResult(
"InProcessPingPong", "0_Inactive",
kIterations / MojoTicksToSeconds(end_time - start_time),
"pings/second");
}
{
const size_t kNumInactiveServices = 1000;
BoundPingService* inactive_services =
new BoundPingService[kNumInactiveServices];
const unsigned int kIterations = 10000;
const MojoTimeTicks start_time = MojoGetTimeTicksNow();
test.Run(kIterations);
const MojoTimeTicks end_time = MojoGetTimeTicksNow();
test::LogPerfResult(
"InProcessPingPong", "1000_Inactive",
kIterations / MojoTicksToSeconds(end_time - start_time),
"pings/second");
delete[] inactive_services;
}
}
} // namespace
} // namespace mojo
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