LibTest/typed_data/Float32x4List/replaceRange_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 void replaceRange(int start, int end, Iterable<E> replacement)
 * Removes the objects in the range start inclusive to end exclusive and
 * inserts the contents of replacement in its place.
 * ...
 * This method does not work on fixed-length lists, even when replacement has
 * the same number of elements as the replaced range.
 * @description Checks that [UnsupportedError] is thrown since [Float32x4List]
 * is a fixed-size list.
 * @note undocumented
 * @author msyabro
 */

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

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

check(List<Float32x4> list) {
  var l = new Float32x4List.fromList(list);
  var length = l.length;
  try {
    l.replaceRange(0, 1, [pack(.0)]);
    Expect.fail("This operation should not be supported");
  } on UnsupportedError {};
  Expect.equals(length, l.length);

  try {
    l.replaceRange(0, 100, [pack(0.0), pack(1.0), pack(2.0)]);
    Expect.fail("This operation should not be supported");
  } on UnsupportedError {};
  Expect.equals(length, l.length);

}

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