LibTest/typed_data/Float32x4List/isEmpty_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 isEmpty
 * Returns true if there is no element in this collection.
 * @description Checks that this method returns true iff [this] has no elements.
 * @author msyabro
 */

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

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

main() {
  var l;

  l = new Float32x4List(0);
  Expect.isTrue(l.isEmpty);
  l = new Float32x4List(1);
  Expect.isFalse(l.isEmpty);

  l = new Float32x4List.fromList([]);
  Expect.isTrue(l.isEmpty);
  l = new Float32x4List.fromList([pack(0.0), pack(0.0), pack(0.0)]);
  Expect.isFalse(l.isEmpty);
}