// Copyright (c) 2013, 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 Map<int, E> asMap()
/// Returns an unmodifiable [Map] view of this.
/// The map uses the indices of this list as keys and the corresponding objects
/// as values.
/// @description Checks that the returned map is unmodifiable.
/// @author msyabro


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

check(List<int> list) {
  var l = new Int32List.fromList(list);
  var m = l.asMap();

  Expect.throws(() {
    m[0] = 0;
  });
}

main() {
  check([]);
  check([1]);
  check([1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15]);
}