LibTest/io/File/readAsString_A01_t04.dart

/*
 * Copyright (c) 2017, 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.
 */
/**
 * @assertion Future<String> readAsString({Encoding encoding: utf8})
 * Read the entire file contents as a string using the given Encoding.
 *
 * Returns a Future<String> that completes with the string once the file
 * contents has been read.
 * @description Checks that this method reads the entire file contents as a
 * string using the given Encoding. Test not existing file
 * @author sgrekhov@unipro.ru
 */
import "dart:io";
import "../../../Utils/expect.dart";
import "../file_utils.dart";

main() async {
  await inSandbox(_main);
}

_main(Directory sandbox) async {
  File file = new File(getTempFilePath(parent: sandbox));
  file.writeAsStringSync("Line 1\nLine 2\rLine3");
  asyncStart();
  await file.readAsString().then((data) {
    Expect.equals("Line 1\nLine 2\rLine3", data);
    asyncEnd();
  });
}