LibTest/core/List/operator_subscripted_assignment_A03_t01.test.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  abstract void operator []=(int index, E value)
/// Throws an [Error] if [index] is [:null:] or invalid.
/// @description Checks that the exception is thrown, for fixed size and growable
/// arrays.
/// @author kaigorodov

library operator_subscripted_assignment_A03_t01;

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

test(List create([int length])) {
  List a = create(1);

  void check(var idx) {
    Expect.throws(() {a[idx] = new Object();}, (e) => e is Error);
  }

  check('0');
  check(2.1);
  check([]);
}