1// Copyright 2014 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef MOJO_COMMON_TEST_TEST_UTILS_H_
6#define MOJO_COMMON_TEST_TEST_UTILS_H_
7
8#include <stddef.h>
9#include <stdio.h>
10
11#include <string>
12
13#include "base/files/file_path.h"
14#include "base/files/scoped_file.h"
15#include "mojo/embedder/platform_handle.h"
16#include "mojo/embedder/scoped_platform_handle.h"
17
18namespace mojo {
19namespace test {
20
21// On success, |bytes_written| is updated to the number of bytes written;
22// otherwise it is untouched.
23bool BlockingWrite(const embedder::PlatformHandle& handle,
24                   const void* buffer,
25                   size_t bytes_to_write,
26                   size_t* bytes_written);
27
28// On success, |bytes_read| is updated to the number of bytes read; otherwise it
29// is untouched.
30bool BlockingRead(const embedder::PlatformHandle& handle,
31                  void* buffer,
32                  size_t buffer_size,
33                  size_t* bytes_read);
34
35// If the read is done successfully or would block, the function returns true
36// and updates |bytes_read| to the number of bytes read (0 if the read would
37// block); otherwise it returns false and leaves |bytes_read| untouched.
38// |handle| must already be in non-blocking mode.
39bool NonBlockingRead(const embedder::PlatformHandle& handle,
40                     void* buffer,
41                     size_t buffer_size,
42                     size_t* bytes_read);
43
44// Gets a (scoped) |PlatformHandle| from the given (scoped) |FILE|.
45embedder::ScopedPlatformHandle PlatformHandleFromFILE(base::ScopedFILE fp);
46
47// Gets a (scoped) |FILE| from a (scoped) |PlatformHandle|.
48base::ScopedFILE FILEFromPlatformHandle(embedder::ScopedPlatformHandle h,
49                                        const char* mode);
50
51// Returns the path to the mojom js bindings file.
52base::FilePath GetFilePathForJSResource(const std::string& path);
53
54}  // namespace test
55}  // namespace mojo
56
57#endif  // MOJO_COMMON_TEST_TEST_UTILS_H_
58