LibTest/typed_data/Uint8List/Uint8List.view_A05_t02.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
/// Uint8List.view(
///     ByteBuffer buffer, [
///     int byteOffset = 0,
///     int length
/// ])
/// ...
/// Throws [RangeError] if [offsetInBytes] or [length] are negative, or if
/// [offsetInBytes] + ([length] * elementSizeInBytes) is greater than the length
/// of [buffer].
/// @description Checks that an error is thrown if [length] is negative.
/// @author msyabro
/// @issue 43196


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

void check(List<int> array, int offset, int length) {
  var tmp = new Uint8List.fromList(array);
  var byteBuffer = tmp.buffer;
  Expect.throws(() { Uint8List.view(byteBuffer, offset, length); });
}

main() {
  check([0], 0, -5);
  check([100, 50], 1, -100);
  check([0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17], 10, -1);
}