1 // Copyright 2020 The Chromium Authors 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 BASE_TEST_SCOPED_CHROMEOS_VERSION_INFO_H_ 6 #define BASE_TEST_SCOPED_CHROMEOS_VERSION_INFO_H_ 7 8 #include "base/strings/string_piece.h" 9 #include "base/time/time.h" 10 11 namespace base { 12 namespace test { 13 14 // Test helper that temporarily overrides the cached lsb-release data. 15 // NOTE: Must be created on the main thread before any other threads are 16 // started. Cannot be nested. 17 class ScopedChromeOSVersionInfo { 18 public: 19 // Overrides |lsb_release| and |lsb_release_time|. For example, can be used to 20 // simulate a specific OS version. Note that |lsb_release| must contain 21 // CHROMEOS_RELEASE_NAME to make base::SysInfo::IsRunningOnChromeOS() return 22 // true. 23 ScopedChromeOSVersionInfo(StringPiece lsb_release, Time lsb_release_time); 24 ScopedChromeOSVersionInfo(const ScopedChromeOSVersionInfo&) = delete; 25 ScopedChromeOSVersionInfo& operator=(const ScopedChromeOSVersionInfo&) = 26 delete; 27 ~ScopedChromeOSVersionInfo(); 28 }; 29 30 } // namespace test 31 } // namespace base 32 33 #endif // BASE_TEST_SCOPED_CHROMEOS_VERSION_INFO_H_ 34