Files
sdk/tests/standalone/io/directory_create_race_test.dart
T
Jonas Termansen 3433d8cfc3 [nnbd] Migrate standalone/io to NNBD.
The tests are also now dartfmt.

Bug: https://github.com/dart-lang/sdk/issues/40040
Change-Id: I8dece8097b37b70d47a5374dae2f3fadb0fc4b90
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/134338
Commit-Queue: Jonas Termansen <sortie@google.com>
Reviewed-by: Bob Nystrom <rnystrom@google.com>
2020-02-07 14:41:36 +00:00

47 lines
1.6 KiB
Dart

// 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.
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();
}