// 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 fillRange(int start, int end, [E fillValue])
/// Sets the elements in the range [start] inclusive to [end] exclusive to
/// the given fillValue.
/// @description Checks that the given range is filled with [fill] value.
/// @author msyabro


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

main() {
  var l = new Uint32List(1000);
  l.fillRange(0, 10, 1);
  for (int i = 0; i < 10; ++i) {
    Expect.equals(1, l[i]);
  }
  Expect.equals(0, l[10], "[end] should be exclusive");

  l.fillRange(100, 200, 55);
  for (int i = 100; i < 200; ++i) {
    Expect.equals(55, l[i]);
  }
  Expect.equals(0, l[200], "[end] should be exclusive");

  l.fillRange(0, 1000, 1);
  for (int i = 0; i < 1000; ++i) {
    Expect.equals(1, l[i]);
  }

  l.fillRange(0, 0, 2);
  for (int i = 0; i < 1000; ++i) {
    Expect.equals(1, l[i]);
  }
}
