| // Copyright (c) 2013, 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. |
| // |
| // Test for a race condition that can occur when recursively creating |
| // a directory multiple times simultaneously. This consistently reproduces |
| // issue https://code.google.com/p/dart/issues/detail?id=7679 in revisions |
| // without the fix for this issue. |
| |
| // @dart = 2.9 |
| |
| import "dart:async"; |
| import "dart:io"; |
| |
| import "package:async_helper/async_helper.dart"; |
| import "package:expect/expect.dart"; |
| |
| void testCreateRecursiveRace() { |
| asyncStart(); |
| var temp = Directory.systemTemp.createTempSync('dart_directory_create_race'); |
| var d = new Directory('${temp.path}/a/b/c/d/e'); |
| Future.wait([ |
| d.create(recursive: true), |
| d.create(recursive: true), |
| d.create(recursive: true), |
| d.create(recursive: true), |
| d.create(recursive: true), |
| d.create(recursive: true), |
| d.create(recursive: true), |
| d.create(recursive: true), |
| d.create(recursive: true), |
| d.create(recursive: true) |
| ]).then((_) { |
| Expect.isTrue(new Directory('${temp.path}/a').existsSync()); |
| Expect.isTrue(new Directory('${temp.path}/a/b').existsSync()); |
| Expect.isTrue(new Directory('${temp.path}/a/b/c').existsSync()); |
| Expect.isTrue(new Directory('${temp.path}/a/b/c/d').existsSync()); |
| Expect.isTrue(new Directory('${temp.path}/a/b/c/d/e').existsSync()); |
| temp.delete(recursive: true).then((_) { |
| asyncEnd(); |
| }); |
| }); |
| } |
| |
| void main() { |
| testCreateRecursiveRace(); |
| testCreateRecursiveRace(); |
| } |