LibTest/typed_data/Float64x2List/length_A02_t01.dart

// 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.

// @dart = 2.9

/// @assertion void length=(int newLength)
/// Changes the length of this list.
/// ...
/// Throws an UnsupportedError if the list is fixed-length.
/// @description Checks that UnsupportedError is thrown as a Float64x2List is a
/// fixed-length list.
/// @author ngl@unipro.ru


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

Float64x2 f64x2(v) => new Float64x2.splat(v);

void check(List<Float64x2> list) {
  var l = new Float64x2List.fromList(list);
  try {
    l.length = 2;
    Expect.fail("This opetation shouldn't be supported");
  } on UnsupportedError {}
  Expect.equals(list.length, l.length);
}

main() {
  check([f64x2(1.0)]);
  check([f64x2(1.0), f64x2(2.0), f64x2(3.0), f64x2(4.0), f64x2(5.0)]);
  check([
    f64x2(1.0), f64x2(0.0), f64x2(0.0), f64x2(0.0), f64x2(0.0), f64x2(0.0),
    f64x2(0.0), f64x2(0.0), f64x2(0.0), f64x2(0.0), f64x2(0.0), f64x2(0.0),
    f64x2(0.0), f64x2(0.0), f64x2(0.0)
  ]);
}