media/base/test_data_util.cc

   1 // Copyright (c) 2012 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 #include "media/base/test_data_util.h"
   6
   7 #include "base/files/file_util.h"
   8 #include "base/logging.h"
   9 #include "base/numerics/safe_conversions.h"
  10 #include "base/path_service.h"
  11 #include "media/base/decoder_buffer.h"
  12
  13 namespace media {
  14
  15 const base::FilePath::CharType kTestDataPath[] =
  16     FILE_PATH_LITERAL("media/test/data");
  17
  18 base::FilePath GetTestDataFilePath(const std::string& name) {
  19   base::FilePath file_path;
  20   CHECK(PathService::Get(base::DIR_SOURCE_ROOT, &file_path));
  21   return file_path.Append(GetTestDataPath()).AppendASCII(name);
  22 }
  23
  24 base::FilePath GetTestDataPath() {
  25   return base::FilePath(kTestDataPath);
  26 }
  27
  28 std::string GetURLQueryString(const base::StringPairs& query_params) {
  29   std::string query = "";
  30   base::StringPairs::const_iterator itr = query_params.begin();
  31   for (; itr != query_params.end(); ++itr) {
  32     if (itr != query_params.begin())
  33       query.append("&");
  34     query.append(itr->first + "=" + itr->second);
  35   }
  36   return query;
  37 }
  38
  39 scoped_refptr<DecoderBuffer> ReadTestDataFile(const std::string& name) {
  40   base::FilePath file_path = GetTestDataFilePath(name);
  41
  42   int64 tmp = 0;
  43   CHECK(base::GetFileSize(file_path, &tmp))
  44       << "Failed to get file size for '" << name << "'";
  45
  46   int file_size = base::checked_cast<int>(tmp);
  47
  48   scoped_refptr<DecoderBuffer> buffer(new DecoderBuffer(file_size));
  49   CHECK_EQ(file_size,
  50            base::ReadFile(
  51                file_path, reinterpret_cast<char*>(buffer->writable_data()),
  52                file_size)) << "Failed to read '" << name << "'";
  53
  54   return buffer;
  55 }
  56
  57 }  // namespace media