| // Copyright (c) 2009 The Chromium OS Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef UPDATE_ENGINE_TEST_UTILS_H__ |
| #define UPDATE_ENGINE_TEST_UTILS_H__ |
| |
| #include <vector> |
| #include <string> |
| |
| // These are some handy functions for unittests. |
| |
| namespace chromeos_update_engine { |
| |
| // Returns the entire contents of the file at path. If the file doesn't |
| // exist or error occurrs, an empty vector is returned. |
| std::vector<char> ReadFile(const std::string& path); |
| |
| // Writes the data passed to path. The file at path will be overwritten if it |
| // exists. Returns true on success, false otherwise. |
| bool WriteFile(const std::string& path, const std::vector<char>& data); |
| |
| // Returns the size of the file at path. If the file doesn't exist or some |
| // error occurrs, -1 is returned. |
| off_t FileSize(const std::string& path); |
| |
| // Gzip compresses the data passed using the gzip command line program. |
| // Returns compressed data back. |
| std::vector<char> GzipCompressData(const std::vector<char>& data); |
| |
| } // namespace chromeos_update_engine |
| |
| #endif // UPDATE_ENGINE_TEST_UTILS_H__ |