LibTest/core/List/operator_subscript_A04_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 E operator [](int index)
/// Throws [ArgumentError] if [index] is [:null:].
/// @description Checks that the exception is thrown as expected.
/// @author msyabro

library operator_subscript_A04_t01;

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

test(List create([int length])) {

  void check(List a0) {
    List a = create(a0.length);
    a.setRange(0, a0.length, a0);
    Expect.throws(() {a[null];}, (e) => e is ArgumentError);
  }

  check(const<String>[null]);
  check([]);
  check(new List());
  check(new List(0));
  check(new List.from([]));
}