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| 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 #ifndef BASE_TEST_TEST_FILE_UTIL_H_ | |
| 6 #define BASE_TEST_TEST_FILE_UTIL_H_ | |
| 7 | |
| 8 // File utility functions used only by tests. | |
| 9 | |
| 10 #include <string> | |
| 11 | |
| 12 #include "base/compiler_specific.h" | |
| 13 #include "base/files/file_path.h" | |
| 14 | |
| 15 #if defined(OS_ANDROID) | |
| 16 #include <jni.h> | |
| 17 #include "base/basictypes.h" | |
| 18 #endif | |
| 19 | |
| 20 namespace base { | |
| 21 | |
| 22 class FilePath; | |
| 23 | |
| 24 // Clear a specific file from the system cache like EvictFileFromSystemCache, | |
| 25 // but on failure it will sleep and retry. On the Windows buildbots, eviction | |
| 26 // can fail if the file is marked in use, and this will throw off timings that | |
| 27 // rely on uncached files. | |
| 28 bool EvictFileFromSystemCacheWithRetry(const FilePath& file); | |
| 29 | |
| 30 // Wrapper over base::Delete. On Windows repeatedly invokes Delete in case | |
| 31 // of failure to workaround Windows file locking semantics. Returns true on | |
| 32 // success. | |
| 33 bool DieFileDie(const FilePath& file, bool recurse); | |
| 34 | |
| 35 // Clear a specific file from the system cache. After this call, trying | |
| 36 // to access this file will result in a cold load from the hard drive. | |
| 37 bool EvictFileFromSystemCache(const FilePath& file); | |
| 38 | |
| 39 #if defined(OS_WIN) | |
| 40 // Returns true if the volume supports Alternate Data Streams. | |
| 41 bool VolumeSupportsADS(const FilePath& path); | |
| 42 | |
| 43 // Returns true if the ZoneIdentifier is correctly set to "Internet" (3). | |
| 44 // Note that this function must be called from the same process as | |
| 45 // the one that set the zone identifier. I.e. don't use it in UI/automation | |
| 46 // based tests. | |
| 47 bool HasInternetZoneIdentifier(const FilePath& full_path); | |
| 48 #endif // defined(OS_WIN) | |
| 49 | |
| 50 // For testing, make the file unreadable or unwritable. | |
| 51 // In POSIX, this does not apply to the root user. | |
| 52 bool MakeFileUnreadable(const FilePath& path) WARN_UNUSED_RESULT; | |
| 53 bool MakeFileUnwritable(const FilePath& path) WARN_UNUSED_RESULT; | |
| 54 | |
| 55 // Saves the current permissions for a path, and restores it on destruction. | |
| 56 class FilePermissionRestorer { | |
| 57 public: | |
| 58 explicit FilePermissionRestorer(const FilePath& path); | |
| 59 ~FilePermissionRestorer(); | |
| 60 | |
| 61 private: | |
| 62 const FilePath path_; | |
| 63 void* info_; // The opaque stored permission information. | |
| 64 size_t length_; // The length of the stored permission information. | |
| 65 | |
| 66 DISALLOW_COPY_AND_ASSIGN(FilePermissionRestorer); | |
| 67 }; | |
| 68 | |
| 69 #if defined(OS_ANDROID) | |
| 70 // Register the ContentUriTestUrils JNI bindings. | |
| 71 bool RegisterContentUriTestUtils(JNIEnv* env); | |
| 72 | |
| 73 // Insert an image file into the MediaStore, and retrieve the content URI for | |
| 74 // testing purpose. | |
| 75 FilePath InsertImageIntoMediaStore(const FilePath& path); | |
| 76 #endif // defined(OS_ANDROID) | |
| 77 | |
| 78 } // namespace base | |
| 79 | |
| 80 #endif // BASE_TEST_TEST_FILE_UTIL_H_ | |
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