| /* |
| * Copyright (c) 2017, the Dart project authors. Please see the AUTHORS file |
| * for details. All rights reserved. Use of this source code is governed by a |
| * BSD-style license that can be found in the LICENSE file. |
| */ |
| /** |
| * @assertion Future<RandomAccessFile> unlock([int start = 0, int end = -1]) |
| * Unlocks the file or part of the file. |
| * |
| * Unlocks the byte range from start to end of the file, with the byte at |
| * position end not included. If no arguments are specified, the full file is |
| * unlocked, If only start is specified the file is unlocked from byte position |
| * start to the end of the file. |
| * |
| * @description Checks that if only start is specified the file is unlocked from |
| * byte position start to the end of the file. |
| * @author ngl@unipro.ru |
| */ |
| import "dart:async"; |
| import "dart:io"; |
| import "../../../Utils/expect.dart"; |
| import "../file_utils.dart"; |
| import "lock_check_1_lib.dart"; |
| |
| main() { |
| if (Platform.isWindows) { |
| return; |
| } |
| File file = getTempFileSync(); |
| var rf = file.openSync(mode: FileMode.write); |
| rf.writeFromSync(new List.filled(30, 0)); |
| asyncStart(); |
| rf.lockSync(FileLock.exclusive, 12); |
| var tests = [ |
| () => checkUnlocked(rf.path, 0, 12), |
| () => checkLocked(rf.path, 12, 30), |
| () => checkLocked(rf.path, 30, 40) |
| ]; |
| Future.forEach(tests, (f) => f()).whenComplete(() { |
| var rf1Unlock = rf.unlock(15); |
| rf1Unlock.then((RandomAccessFile f) { |
| var tests = [ |
| () => checkUnlocked(rf.path, 0, 12), |
| () => checkLocked(rf.path, 12, 15), |
| () => checkUnlocked(rf.path, 15, 50) |
| ]; |
| Future.forEach(tests, (f) => f()).whenComplete(() { |
| asyncEnd(); |
| rf.unlockSync(); |
| rf.closeSync(); |
| file.deleteSync(); |
| }); |
| }); |
| }); |
| } |