LibTest/io/File/readAsStringSync_A02_t01.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 String readAsStringSync({Encoding encoding: utf8})
/// Synchronously read the entire file contents as a string using the given
/// Encoding.
///
/// Throws a FileSystemException if the operation fails.
/// @description Checks that this method synchronously reads the entire file
/// contents as string using the given Encoding. Test encoding argument
/// @author sgrekhov@unipro.ru

import "dart:io";
import "dart:convert";
import "../../../Utils/expect.dart";
import "../file_utils.dart";

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

void _main(Directory sandbox) async {
  Encoding? encoding = Encoding.getByName("iso-8859-1");
  File file = getTempFileSync(parent: sandbox);

  IOSink sink = file.openWrite(encoding: encoding!);
  sink.writeCharCode(0xe2);
  sink.writeCharCode(0xa);
  sink.writeCharCode(0xe3);
  asyncStart();
  await sink.close().then((_) {
    Expect.equals("â\nã", file.readAsStringSync(encoding: encoding));
    asyncEnd();
  });
}