LibTest/typed_data/Float32List/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. In that case use setRange
 * instead.
 * @description Checks that [UnsupportedError] is thrown since [Float32List] is
 * a fixed-size list.
 * @note undocumented
 * @author msyabro
 */

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

check(List<double> list) {
  var l = new Float32List.fromList(list);
  var length = l.length;
  Expect.throws(
          () { l.replaceRange(0, 1, [0.0]); }, (e) => e is UnsupportedError);
  Expect.equals(length, l.length);

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

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