LibTest/collection/HashSet/HashSet.from_A01_t02.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 interface HashSet.from(Iterable elements)
/// Create a hash set containing all [elements].
/// @description Checks that Error is thrown if the argument is [null].
/// @author rodionov

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

main() {
  Expect.throws(() {
      new HashSet.from(null);
    },
    (e)=> e is Error
  );
}