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// Copyright (c) 2012 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 "remoting/protocol/buffered_socket_writer.h"
#include <stdlib.h>
#include "base/bind.h"
#include "base/message_loop.h"
#include "net/base/io_buffer.h"
#include "net/base/net_errors.h"
#include "remoting/protocol/fake_session.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace remoting {
namespace protocol {
namespace {
const int kTestBufferSize = 10 * 1024; // 10k;
const size_t kWriteChunkSize = 1024U;
} // namespace
class BufferedSocketWriterTest : public testing::Test {
public:
BufferedSocketWriterTest()
: write_error_(0) {
}
void OnDone() {
MessageLoop::current()->PostTask(FROM_HERE, MessageLoop::QuitClosure());
}
void DestroyWriterAndQuit() {
written_data_ = socket_->written_data();
writer_.reset();
socket_.reset();
MessageLoop::current()->PostTask(FROM_HERE, MessageLoop::QuitClosure());
}
void Unexpected() {
EXPECT_TRUE(false);
}
protected:
virtual void SetUp() OVERRIDE {
socket_.reset(new FakeSocket());
writer_.reset(new BufferedSocketWriter());
writer_->Init(socket_.get(), base::Bind(
&BufferedSocketWriterTest::OnWriteFailed, base::Unretained(this)));
test_buffer_ = new net::IOBufferWithSize(kTestBufferSize);
test_buffer_2_ = new net::IOBufferWithSize(kTestBufferSize);
for (int i = 0; i< kTestBufferSize; ++i) {
test_buffer_->data()[i] = rand() % 256;
test_buffer_2_->data()[i] = rand() % 256;
}
}
void OnWriteFailed(int error) {
write_error_ = error;
}
void TestWrite() {
writer_->Write(test_buffer_, base::Bind(&BufferedSocketWriterTest::OnDone,
base::Unretained(this)));
writer_->Write(test_buffer_2_, base::Bind(&BufferedSocketWriterTest::OnDone,
base::Unretained(this)));
message_loop_.Run();
ASSERT_EQ(static_cast<size_t>(test_buffer_->size() +
test_buffer_2_->size()),
socket_->written_data().size());
EXPECT_EQ(0, memcmp(test_buffer_->data(), socket_->written_data().data(),
test_buffer_->size()));
EXPECT_EQ(0, memcmp(test_buffer_2_->data(),
socket_->written_data().data() + test_buffer_->size(),
test_buffer_2_->size()));
}
void TestAppendInCallback() {
writer_->Write(test_buffer_, base::Bind(
base::IgnoreResult(&BufferedSocketWriterBase::Write),
base::Unretained(writer_.get()), test_buffer_2_,
base::Bind(&BufferedSocketWriterTest::OnDone,
base::Unretained(this))));
message_loop_.Run();
ASSERT_EQ(static_cast<size_t>(test_buffer_->size() +
test_buffer_2_->size()),
socket_->written_data().size());
EXPECT_EQ(0, memcmp(test_buffer_->data(), socket_->written_data().data(),
test_buffer_->size()));
EXPECT_EQ(0, memcmp(test_buffer_2_->data(),
socket_->written_data().data() + test_buffer_->size(),
test_buffer_2_->size()));
}
MessageLoop message_loop_;
scoped_ptr<FakeSocket> socket_;
scoped_ptr<BufferedSocketWriter> writer_;
scoped_refptr<net::IOBufferWithSize> test_buffer_;
scoped_refptr<net::IOBufferWithSize> test_buffer_2_;
std::string written_data_;
int write_error_;
};
// Test synchronous write.
TEST_F(BufferedSocketWriterTest, WriteFull) {
TestWrite();
}
// Test synchronous write in 1k chunks.
TEST_F(BufferedSocketWriterTest, WriteChunks) {
socket_->set_write_limit(kWriteChunkSize);
TestWrite();
}
// Test asynchronous write.
TEST_F(BufferedSocketWriterTest, WriteAsync) {
socket_->set_async_write(true);
socket_->set_write_limit(kWriteChunkSize);
TestWrite();
}
// Make sure we can call Write() from the done callback.
TEST_F(BufferedSocketWriterTest, AppendInCallbackSync) {
TestAppendInCallback();
}
// Make sure we can call Write() from the done callback.
TEST_F(BufferedSocketWriterTest, AppendInCallbackAsync) {
socket_->set_async_write(true);
socket_->set_write_limit(kWriteChunkSize);
TestAppendInCallback();
}
// Test that the writer can be destroyed from callback.
TEST_F(BufferedSocketWriterTest, DestroyFromCallback) {
socket_->set_async_write(true);
writer_->Write(test_buffer_, base::Bind(
&BufferedSocketWriterTest::DestroyWriterAndQuit,
base::Unretained(this)));
writer_->Write(test_buffer_2_, base::Bind(
&BufferedSocketWriterTest::Unexpected,
base::Unretained(this)));
socket_->set_async_write(false);
message_loop_.Run();
ASSERT_GE(written_data_.size(),
static_cast<size_t>(test_buffer_->size()));
EXPECT_EQ(0, memcmp(test_buffer_->data(), written_data_.data(),
test_buffer_->size()));
}
// Verify that it stops writing after the first error.
TEST_F(BufferedSocketWriterTest, TestWriteErrorSync) {
socket_->set_write_limit(kWriteChunkSize);
writer_->Write(test_buffer_, base::Closure());
socket_->set_async_write(true);
writer_->Write(test_buffer_2_,
base::Bind(&BufferedSocketWriterTest::Unexpected,
base::Unretained(this)));
socket_->set_next_write_error(net::ERR_FAILED);
socket_->set_async_write(false);
message_loop_.RunUntilIdle();
EXPECT_EQ(net::ERR_FAILED, write_error_);
EXPECT_EQ(static_cast<size_t>(test_buffer_->size()),
socket_->written_data().size());
}
// Verify that it stops writing after the first error.
TEST_F(BufferedSocketWriterTest, TestWriteErrorAsync) {
socket_->set_write_limit(kWriteChunkSize);
writer_->Write(test_buffer_, base::Closure());
socket_->set_async_write(true);
writer_->Write(test_buffer_2_,
base::Bind(&BufferedSocketWriterTest::Unexpected,
base::Unretained(this)));
socket_->set_next_write_error(net::ERR_FAILED);
message_loop_.RunUntilIdle();
EXPECT_EQ(net::ERR_FAILED, write_error_);
EXPECT_EQ(static_cast<size_t>(test_buffer_->size()),
socket_->written_data().size());
}
} // namespace protocol
} // namespace remoting
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