// 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 has the indices of this list as
/// keys and corresponding elements as values.
/// @author msyabro


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

check(List<int> list) {
  var l = new Int32List.fromList(list);
  var m = l.asMap();
  for (int key = 0; key < list.length; ++key) {
    Expect.isTrue(m.containsKey(key));
    Expect.identical(l[key], m[key]);
  }
}

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