tests/standalone/io/file_windows_test.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.

import 'dart:io';

import "package:expect/expect.dart";

/// Regression test for https://github.com/dart-lang/sdk/issues/54386.
void testDriveLetterStat() {
  // "C:" not acceptable
  final cDrive = Directory("C:");
  final cDriveStat = cDrive.statSync();
  Expect.equals(cDriveStat.type, FileSystemEntityType.notFound);
  // These are acceptable cases
  final acceptablePathRootDrives = ["C: ", "C:\\", "C:/"];
  for (final drivePath in acceptablePathRootDrives) {
    final dir = Directory(drivePath);
    final dirStat = dir.statSync();
    Expect.equals(dirStat.type, FileSystemEntityType.directory);
  }
}

void testDeleteLongPathPrefix() {
  var dir = Directory.systemTemp.createTempSync('dart_file_win');
  var dirPath = "\\\\?\\${dir.path}";
  var subPath = dirPath;
  for (int i = 0; i < 16; i++) {
    subPath += "\\a-long-path-segment";
    dir = new Directory(subPath)..createSync();
  }
  Expect.isTrue(dir.path.length > 256);
  var prefixDir = new Directory(dirPath);
  Expect.isTrue(prefixDir.existsSync());
  prefixDir.deleteSync(recursive: true);
  Expect.isFalse(dir.existsSync());
  Expect.isFalse(prefixDir.existsSync());
}

void main() {
  if (!Platform.isWindows) return;
  testDeleteLongPathPrefix();
  testDriveLetterStat();
}