LibTest/typed_data/Float32x4List/length_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 void length=(int newLength)
/// Changes the length of the list.
/// Throws an UnsupportedError if the list is not extendable.
/// @description Checks that [UnsupportedError] is thrown since [Float32x4List]
/// is a fixed-size list.
/// @author msyabro


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

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

void check(List<Float32x4> array, int length) {
  var l = new Float32x4List.fromList(array);
  Expect.throws(() { l.length = 1; }, (e) => e is UnsupportedError);
  Expect.equals(length, l.length);
}

main() {
  check([], 0);
  check([pack(1.0)], 1);
  check([pack(1.0), pack(2.0), pack(3.0), pack(4.0), pack(5.0)], 5);
}