LibTest/core/DateTime/subtract_A02_t01.dart

// Copyright (c) 2011, 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 DateTime subtract(Duration other)
/// Throws [Error] if [other] is [:null:].
/// @description Checks that an Error is thrown.
/// @author msyabro
/// @reviewer pagolubev
/// @needsreview undocumented

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

 main() {
   DateTime dateTime=new DateTime(2000, 1, 1);
   Expect.throws(() {
     dateTime.subtract(null);
   },
   (e)=>e is Error
   );
 }