// Copyright (c) 2017, 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
/// Int32x4List.view(
///    ByteBuffer buffer, [
///    int offsetInBytes = 0,
///    int length
/// ])
/// ...
/// Throws ArgumentError if offsetInBytes is not a multiple of BYTES_PER_ELEMENT.
/// @description Checks that ArgumentError is thrown if offsetInBytes is not a
/// multiple of BYTES_PER_ELEMENT.
/// @author ngl@unipro.ru
/// @issue 43210


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

Int32x4 i32x4(n) => new Int32x4(n, n, n, n);

equal(o1, o2) => o1.x == o2.x && o1.y == o2.y && o1.z == o2.z && o1.w == o2.w;

void check(list, offset) {
  var l = new Int32x4List.fromList(list);
  var buffer = l.buffer;
  Expect.throws(
          () { Int32x4List.view(buffer, offset); }, (e) => e is ArgumentError);
}

main() {
  var list = [
    i32x4(0), i32x4(1), i32x4(2), i32x4(3), i32x4(4), i32x4(5), i32x4(6),
    i32x4(7),i32x4(8), i32x4(9)
  ];
  for (int i = 1; i < Int32x4List.bytesPerElement; ++i) {
    check(list, i);
  }
}
