LibTest/collection/UnmodifiableListView/removeAt_A01_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 E removeAt(int index)
/// This operation is not supported by an unmodifiable list.
/// @description Checks that [removeAt] method is not supported.
/// @author iarkh@unipro.ru

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

main() {
  UnmodifiableListView l = new UnmodifiableListView([1, 2, 3, 4, 5]);

  Expect.throws(() { l.removeAt(-1); }, (e) => e is UnsupportedError);
  Expect.throws(() { l.removeAt(0); }, (e) => e is UnsupportedError);
  Expect.throws(() { l.removeAt(1); }, (e) => e is UnsupportedError);
  Expect.throws(() { l.removeAt(4); }, (e) => e is UnsupportedError);
  Expect.throws(() { l.removeAt(40); }, (e) => e is UnsupportedError);
}