LibTest/typed_data/Float64List/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.
 */
/**
 * @assertion E elementAt(int index)
 * The index must be non-negative and less than length. Index zero represents
 * the first element (so iterable.elementAt(0) is equivalent to iterable.first).
 * @description Checks that a [RangeError] is thrown if [this] has fewer than
 * [index] elements or [index] is negative.
 * @author msyabro
 */

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

check(length) {
  Float64List l = new Float64List(length);
  try {
    l.elementAt(length + 1);
    Expect.fail("RangeError is expected");
  } on RangeError {}
  try {
    l.elementAt(-1);
    Expect.fail("RangeError is expected");
  } on RangeError {}
}

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