common.dart

// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

import 'package:file/file.dart';
import 'package:file/io.dart';

/// The file system implementation used by this library.
///
/// See [useMemoryFileSystemForTesting] and [restoreFileSystem].
FileSystem fs = new LocalFileSystem();

/// Overrides the file system so it can be tested without hitting the hard
/// drive.
void useMemoryFileSystemForTesting() {
  fs = new MemoryFileSystem();
}

/// Restores the file system to the default local file system implementation.
void restoreFileSystem() {
  fs = new LocalFileSystem();
}