LibTest/typed_data/Float32x4List/Float32x4List.view_A05_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 Float32x4List.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 [RangeError] is thrown if [offsetInBytes] is negative.
 * @author msyabro
 */
import "dart:typed_data";
import "../../../Utils/expect.dart";

pack(v) => new Float32x4.splat(v);

void check(array, offset) {
  var tmp = new Float32x4List.fromList(array);
  var byteBuffer = tmp.buffer;
  try {
    var l = new Float32x4List.view(byteBuffer, offset);
    Expect.fail("RangeError exception is expected");
  } on RangeError catch(ok) {
  }
}

main() {
  check([pack(.0)], -5);
  check([pack(100.0), pack(50.0)], -100);
  check([pack(0.0), pack(1.0), pack(2.0), pack(3.0), pack(4.0), pack(5.0), pack(6.0), pack(7.0), pack(8.0),
  pack(9.0), pack(10.0), pack(11.0), pack(12.0), pack(13.0), pack(14.0), pack(15.0), pack(16.0), pack(17.0)], -1);
}