LibTest/typed_data/Int64List/elementAt_A02_t01.dart

// 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 E elementAt(int index)
/// ...
/// The index must be non-negative and less than length.
///
/// If [this] has fewer than [index] elements throws a RangeError.
/// @description Checks that a [RangeError] is thrown if [index] is negative or
/// greater then list length - 1.
/// @author msyabro


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

check(length) {
  var l = new Int64List(length);
  try {
    l.elementAt(length + 1);
    Expect.fail("RangeError is expected");
  } on RangeError {}
  try {
    l.elementAt(-1);
    Expect.fail("RangeError is expected");
  } on RangeError {}
  try {
    l.elementAt(length);
    Expect.fail("RangeError is expected");
  } on RangeError {}
}

main() {
  check(0);
  check(1);
  check(100);
  check(65536);
}