// 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.

/// @assertion int operator [](int index)
/// ...
/// Throws an [RangeError] if index is out of bounds.
/// @description Checks that an exception is thrown as expected.
/// @author msyabro


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

check(List<int> list) {
  var l = new Uint8ClampedList.fromList(list);
  Expect.throws(() { l[-1        ]; }, (e) => e is RangeError);
  Expect.throws(() { l[l.length  ]; }, (e) => e is RangeError);
  Expect.throws(() { l[0x80000000]; }, (e) => e is RangeError);
  Expect.throws(() { l[0x7fffffff]; }, (e) => e is RangeError);
}

main() {
  check([]);
  check([1]);
  var list = List<int>.filled(255, 1);
  for (int i = 0; i < 255; ++i) {
    list[i] = i;
  }
  check(list);
}
