File: file_stream_test_utils.h

package info (click to toggle)
chromium 138.0.7204.183-1
  • links: PTS, VCS
  • area: main
  • in suites: trixie
  • size: 6,071,908 kB
  • sloc: cpp: 34,937,088; ansic: 7,176,967; javascript: 4,110,704; python: 1,419,953; asm: 946,768; xml: 739,971; pascal: 187,324; sh: 89,623; perl: 88,663; objc: 79,944; sql: 50,304; cs: 41,786; fortran: 24,137; makefile: 21,806; php: 13,980; tcl: 13,166; yacc: 8,925; ruby: 7,485; awk: 3,720; lisp: 3,096; lex: 1,327; ada: 727; jsp: 228; sed: 36
file content (32 lines) | stat: -rw-r--r-- 1,129 bytes parent folder | download | duplicates (8) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
 
// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef STORAGE_BROWSER_FILE_SYSTEM_FILE_STREAM_TEST_UTILS_H_
#define STORAGE_BROWSER_FILE_SYSTEM_FILE_STREAM_TEST_UTILS_H_

#include <string>
#include "base/types/expected.h"
#include "net/base/net_errors.h"

namespace storage {

class FileStreamReader;
class FileStreamWriter;

// Reads up to `bytes_to_read` bytes of data from `reader`.
// Returns the bytes read or an error code.
base::expected<std::string, net::Error> ReadFromReader(FileStreamReader& reader,
                                                       size_t bytes_to_read);

// Returns the length of the file if it could be successfully retrieved,
// otherwise a net error.
int64_t GetLengthFromReader(FileStreamReader* reader);

// Writes `data` to `writer`, an initialized FileStreamWriter. Returns net::OK
// if successful, otherwise a net error.
int WriteStringToWriter(FileStreamWriter* writer, const std::string& data);

}  // namespace storage

#endif  // STORAGE_BROWSER_FILE_SYSTEM_FILE_STREAM_TEST_UTILS_H_