library fileapi; import 'dart:async'; import 'dart:html'; import 'package:async_helper/async_helper.dart'; import 'package:async_helper/async_minitest.dart'; class FileAndDir { FileEntry file; DirectoryEntry dir; FileAndDir(this.file, this.dir); } FileSystem fs; main() async { getFileSystem() async { var fileSystem = await window.requestFileSystem(100); fs = fileSystem; } // Do the boilerplate to get several files and directories created to then // test the functions that use those items. Future doDirSetup(String testName) async { await getFileSystem(); var file = await fs.root.createFile('file_$testName'); var dir = await fs.root.createDirectory('dir_$testName'); return new Future.value(new FileAndDir(file, dir)); } if (FileSystem.supported) { test('readEntries', () async { var fileAndDir = await doDirSetup('readEntries'); var reader = await fileAndDir.dir.createReader(); var entries = await reader.readEntries(); expect(entries is List, true); }); } }