LibTest/typed_data/Float32x4List/iterator_moveNext_A01_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 bool moveNext()
/// Returns whether the [Iterator] has elements left.
/// @description Checks that true is returned only if the [Iterator] has elements
/// left.
/// @author msyabro


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

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

main() {
  var l;
  l = new Float32x4List.fromList([]);
  Expect.isFalse(l.iterator.moveNext());

  l = new Float32x4List.fromList([pack(1.0)]);
  var it = l.iterator;
  Expect.isTrue(it.moveNext());
  Expect.isFalse(it.moveNext());

  l = Float32x4List.fromList(List.filled(1000, pack(0.0)));
  it = l.iterator;
  for (var i = 0; i < 1000; ++i) {
    Expect.isTrue(it.moveNext());
  }
  Expect.isFalse(it.moveNext());
}