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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 "net/base/mock_file_stream.h"
#include <utility>
#include "base/bind.h"
#include "base/location.h"
#include "base/single_thread_task_runner.h"
#include "base/threading/thread_task_runner_handle.h"
namespace net {
namespace testing {
MockFileStream::MockFileStream(
const scoped_refptr<base::TaskRunner>& task_runner)
: FileStream(task_runner),
forced_error_(OK),
async_error_(false),
throttled_(false),
weak_factory_(this) {
}
MockFileStream::MockFileStream(
base::File file,
const scoped_refptr<base::TaskRunner>& task_runner)
: FileStream(std::move(file), task_runner),
forced_error_(OK),
async_error_(false),
throttled_(false),
weak_factory_(this) {}
MockFileStream::~MockFileStream() = default;
int MockFileStream::Seek(int64_t offset, Int64CompletionOnceCallback callback) {
Int64CompletionOnceCallback wrapped_callback =
base::BindOnce(&MockFileStream::DoCallback64, weak_factory_.GetWeakPtr(),
std::move(callback));
if (forced_error_ == OK)
return FileStream::Seek(offset, std::move(wrapped_callback));
return ErrorCallback64(std::move(wrapped_callback));
}
int MockFileStream::Read(IOBuffer* buf,
int buf_len,
CompletionOnceCallback callback) {
CompletionOnceCallback wrapped_callback =
base::BindOnce(&MockFileStream::DoCallback, weak_factory_.GetWeakPtr(),
std::move(callback));
if (forced_error_ == OK)
return FileStream::Read(buf, buf_len, std::move(wrapped_callback));
return ErrorCallback(std::move(wrapped_callback));
}
int MockFileStream::Write(IOBuffer* buf,
int buf_len,
CompletionOnceCallback callback) {
CompletionOnceCallback wrapped_callback =
base::BindOnce(&MockFileStream::DoCallback, weak_factory_.GetWeakPtr(),
std::move(callback));
if (forced_error_ == OK)
return FileStream::Write(buf, buf_len, std::move(wrapped_callback));
return ErrorCallback(std::move(wrapped_callback));
}
int MockFileStream::Flush(CompletionOnceCallback callback) {
CompletionOnceCallback wrapped_callback =
base::BindOnce(&MockFileStream::DoCallback, weak_factory_.GetWeakPtr(),
std::move(callback));
if (forced_error_ == OK)
return FileStream::Flush(std::move(wrapped_callback));
return ErrorCallback(std::move(wrapped_callback));
}
void MockFileStream::ThrottleCallbacks() {
CHECK(!throttled_);
throttled_ = true;
}
void MockFileStream::ReleaseCallbacks() {
CHECK(throttled_);
throttled_ = false;
if (!throttled_task_.is_null()) {
base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE,
std::move(throttled_task_));
}
}
void MockFileStream::DoCallback(CompletionOnceCallback callback, int result) {
if (!throttled_) {
std::move(callback).Run(result);
return;
}
CHECK(throttled_task_.is_null());
throttled_task_ = base::BindOnce(std::move(callback), result);
}
void MockFileStream::DoCallback64(Int64CompletionOnceCallback callback,
int64_t result) {
if (!throttled_) {
std::move(callback).Run(result);
return;
}
CHECK(throttled_task_.is_null());
throttled_task_ = base::BindOnce(std::move(callback), result);
}
int MockFileStream::ErrorCallback(CompletionOnceCallback callback) {
CHECK_NE(OK, forced_error_);
if (async_error_) {
base::ThreadTaskRunnerHandle::Get()->PostTask(
FROM_HERE, base::BindOnce(std::move(callback), forced_error_));
clear_forced_error();
return ERR_IO_PENDING;
}
int ret = forced_error_;
clear_forced_error();
return ret;
}
int64_t MockFileStream::ErrorCallback64(Int64CompletionOnceCallback callback) {
CHECK_NE(OK, forced_error_);
if (async_error_) {
base::ThreadTaskRunnerHandle::Get()->PostTask(
FROM_HERE, base::BindOnce(std::move(callback), forced_error_));
clear_forced_error();
return ERR_IO_PENDING;
}
int64_t ret = forced_error_;
clear_forced_error();
return ret;
}
} // namespace testing
} // namespace net
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