mojo/common/test/test_utils.h

   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
  18 namespace mojo {
  19 namespace test {
  20
  21 // On success, |bytes_written| is updated to the number of bytes written;
  22 // otherwise it is untouched.
  23 bool 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.
  30 bool 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.
  39 bool 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|.
  45 embedder::ScopedPlatformHandle PlatformHandleFromFILE(base::ScopedFILE fp);
  46
  47 // Gets a (scoped) |FILE| from a (scoped) |PlatformHandle|.
  48 base::ScopedFILE FILEFromPlatformHandle(embedder::ScopedPlatformHandle h,
  49                                         const char* mode);
  50
  51 // Returns the path to the mojom js bindings file.
  52 base::FilePath GetFilePathForJSResource(const std::string& path);
  53
  54 }  // namespace test
  55 }  // namespace mojo
  56
  57 #endif  // MOJO_COMMON_TEST_TEST_UTILS_H_