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// 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();
}