// 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.

// @dart = 2.9

/// @assertion void exit(int code)
/// Exit the Dart VM process immediately with the given exit code.
/// @description Checks that calling [exit(null)] causes [ArgumentError].
/// @author iarkh@unipro.ru

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

main(List<String> args) {
  Expect.throws(() { exit(null); }, (e) => e is ArgumentError);
}