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;
  Expect.throws(() { l.replaceRange(0, 1, [pack(.0)]); },
          (e) => e is UnsupportedError);
  Expect.equals(length, l.length);

  Expect.throws(
          () { l.replaceRange(0, 100, [pack(0.0), pack(1.0), pack(2.0)]); },
          (e) => e is 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)]);
}