LibTest/typed_data/Float32x4List/getRange_A04_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 Iterable<E> getRange(int start, int end)
 * ...
 * A range from start to end is valid if 0 <= start <= end <= len, where len is
 * this list's length. The range starts at start and has length end - start. An
 * empty range (with end == start) is valid.
 * @description Checks that an error is thrown if the start and end are not
 * valid ranges at the time of the call to this method.
 * @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);
  Expect.throws(() {
    l.getRange(-1, list.length);
  });

  Expect.throws(() {
    l.getRange(0, list.length + 1);
  });

  Expect.throws(() {
    l.getRange(-1, list.length + 1);
  });

  Expect.throws(() {
    l.getRange(0x80000000, 0x7fffffff);
  });
}

main() {
  check([]);
  check([pack(1.0)]);
  check(new Float32x4List(10));
}