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109 lines
3.0 KiB
C++
109 lines
3.0 KiB
C++
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// This file defines MockFileStream, a test class for FileStream.
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#ifndef NET_BASE_MOCK_FILE_STREAM_H_
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#define NET_BASE_MOCK_FILE_STREAM_H_
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#include <stdint.h>
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#include "base/compiler_specific.h"
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#include "base/files/file_path.h"
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#include "base/memory/weak_ptr.h"
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#include "net/base/completion_once_callback.h"
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#include "net/base/file_stream.h"
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#include "net/base/net_errors.h"
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namespace net {
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class IOBuffer;
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namespace testing {
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class MockFileStream : public FileStream {
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public:
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explicit MockFileStream(const scoped_refptr<base::TaskRunner>& task_runner);
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MockFileStream(base::File file,
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const scoped_refptr<base::TaskRunner>& task_runner);
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~MockFileStream() override;
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// FileStream methods.
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int Seek(int64_t offset, Int64CompletionOnceCallback callback) override;
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int Read(IOBuffer* buf,
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int buf_len,
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CompletionOnceCallback callback) override;
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int Write(IOBuffer* buf,
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int buf_len,
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CompletionOnceCallback callback) override;
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int Flush(CompletionOnceCallback callback) override;
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void set_forced_error_async(int error) {
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forced_error_ = error;
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async_error_ = true;
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}
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void set_forced_error(int error) {
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forced_error_ = error;
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async_error_ = false;
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}
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void clear_forced_error() {
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forced_error_ = OK;
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async_error_ = false;
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}
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int forced_error() const { return forced_error_; }
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const base::FilePath& get_path() const { return path_; }
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// Throttles all asynchronous callbacks, including forced errors, until a
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// matching ReleaseCallbacks call.
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void ThrottleCallbacks();
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// Resumes running asynchronous callbacks and runs any throttled callbacks.
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void ReleaseCallbacks();
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private:
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int ReturnError(int function_error) {
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if (forced_error_ != OK) {
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int ret = forced_error_;
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clear_forced_error();
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return ret;
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}
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return function_error;
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}
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int64_t ReturnError64(int64_t function_error) {
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if (forced_error_ != OK) {
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int64_t ret = forced_error_;
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clear_forced_error();
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return ret;
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}
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return function_error;
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}
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// Wrappers for callbacks to make them honor ThrottleCallbacks and
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// ReleaseCallbacks.
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void DoCallback(CompletionOnceCallback callback, int result);
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void DoCallback64(Int64CompletionOnceCallback callback, int64_t result);
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// Depending on |async_error_|, either synchronously returns |forced_error_|
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// asynchronously calls |callback| with |async_error_|.
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int ErrorCallback(CompletionOnceCallback callback);
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int64_t ErrorCallback64(Int64CompletionOnceCallback callback);
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int forced_error_;
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bool async_error_;
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bool throttled_;
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base::OnceClosure throttled_task_;
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base::FilePath path_;
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base::WeakPtrFactory<MockFileStream> weak_factory_;
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};
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} // namespace testing
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} // namespace net
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#endif // NET_BASE_MOCK_FILE_STREAM_H_
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