LibTest/typed_data/Uint8ClampedList/Uint8ClampedList.view_A04_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
/// Uint8ClampedList.view(
///     ByteBuffer buffer, [
///     int byteOffset = 0,
///     int length
/// ])
/// ...
/// If the [offsetInBytes] index of the region is not specified, it defaults to
/// zero (the first byte in the byte buffer).
/// @description Checks that if the [offsetInBytes] is not specified, it defaults
/// to zero.
/// @author msyabro


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

void check(List<int> array, int length, int firstElement, int lastElement) {
  var tmp = new Uint8ClampedList.fromList(array);
  var byteBuffer = tmp.buffer;
  var l = new Uint8ClampedList.view(byteBuffer);
  Expect.equals(length, l.length);
  Expect.equals(firstElement, l[0]);
  Expect.equals(lastElement, l[length - 1]);
}

main() {
  check([0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17], 18, 0,
      17);
  check([0], 1, 0, 0);
  check([100, 50], 2, 100, 50);
}