[go: nahoru, domu]

blob: 8cbdaaf3120b9b495f2032f3961de6456481c877 [file] [log] [blame]
// Copyright 2017 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/macros.h"
#include "base/test/scoped_task_environment.h"
#include "mojo/public/cpp/bindings/receiver.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "mojo/public/cpp/system/message_pipe.h"
#include "mojo/public/cpp/system/wait.h"
#include "mojo/public/interfaces/bindings/tests/ping_service.mojom-test-utils.h"
#include "mojo/public/interfaces/bindings/tests/ping_service.mojom.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace mojo {
namespace {
class TestHelperTest : public testing::Test {
public:
TestHelperTest() = default;
~TestHelperTest() override = default;
private:
base::test::ScopedTaskEnvironment task_environment_;
DISALLOW_COPY_AND_ASSIGN(TestHelperTest);
};
class PingImpl : public test::PingService {
public:
explicit PingImpl(PendingReceiver<test::PingService> receiver)
: receiver_(this, std::move(receiver)) {}
~PingImpl() override = default;
bool pinged() const { return pinged_; }
// test::PingService:
void Ping(PingCallback callback) override {
pinged_ = true;
std::move(callback).Run();
}
private:
bool pinged_ = false;
Receiver<test::PingService> receiver_;
DISALLOW_COPY_AND_ASSIGN(PingImpl);
};
class EchoImpl : public test::EchoService {
public:
explicit EchoImpl(PendingReceiver<test::EchoService> receiver)
: receiver_(this, std::move(receiver)) {}
~EchoImpl() override = default;
// test::EchoService:
void Echo(const std::string& message, EchoCallback callback) override {
std::move(callback).Run(message);
}
private:
Receiver<test::EchoService> receiver_;
DISALLOW_COPY_AND_ASSIGN(EchoImpl);
};
class TrampolineImpl : public test::HandleTrampoline {
public:
explicit TrampolineImpl(PendingReceiver<test::HandleTrampoline> receiver)
: receiver_(this, std::move(receiver)) {}
~TrampolineImpl() override = default;
// test::HandleTrampoline:
void BounceOne(ScopedMessagePipeHandle one,
BounceOneCallback callback) override {
std::move(callback).Run(std::move(one));
}
void BounceTwo(ScopedMessagePipeHandle one,
ScopedMessagePipeHandle two,
BounceTwoCallback callback) override {
std::move(callback).Run(std::move(one), std::move(two));
}
private:
Receiver<test::HandleTrampoline> receiver_;
DISALLOW_COPY_AND_ASSIGN(TrampolineImpl);
};
TEST_F(TestHelperTest, AsyncWaiter) {
Remote<test::PingService> ping;
PingImpl ping_impl(ping.BindNewPipeAndPassReceiver());
test::PingServiceAsyncWaiter wait_for_ping(ping.get());
EXPECT_FALSE(ping_impl.pinged());
wait_for_ping.Ping();
EXPECT_TRUE(ping_impl.pinged());
Remote<test::EchoService> echo;
EchoImpl echo_impl(echo.BindNewPipeAndPassReceiver());
test::EchoServiceAsyncWaiter wait_for_echo(echo.get());
const std::string kTestString = "a machine that goes 'ping'";
std::string response;
wait_for_echo.Echo(kTestString, &response);
EXPECT_EQ(kTestString, response);
Remote<test::HandleTrampoline> trampoline;
TrampolineImpl trampoline_impl(trampoline.BindNewPipeAndPassReceiver());
test::HandleTrampolineAsyncWaiter wait_for_trampoline(trampoline.get());
MessagePipe pipe;
ScopedMessagePipeHandle handle0, handle1;
WriteMessageRaw(pipe.handle0.get(), kTestString.data(), kTestString.size(),
nullptr, 0, MOJO_WRITE_MESSAGE_FLAG_NONE);
wait_for_trampoline.BounceOne(std::move(pipe.handle0), &handle0);
wait_for_trampoline.BounceTwo(std::move(handle0), std::move(pipe.handle1),
&handle0, &handle1);
// Verify that our pipe handles are the same as the original pipe.
Wait(handle1.get(), MOJO_HANDLE_SIGNAL_READABLE);
std::vector<uint8_t> payload;
ReadMessageRaw(handle1.get(), &payload, nullptr, MOJO_READ_MESSAGE_FLAG_NONE);
std::string original_message(payload.begin(), payload.end());
EXPECT_EQ(kTestString, original_message);
}
} // namespace
} // namespace mojo