LibTest/typed_data/Float64List/take_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 Iterable<E> take(int count)
 * Returns an [Iterable] with at most [n] elements.
 * @description Checks that the returned [Iterable] has
 * the length [n] and contains first [n] elements from [this].
 * @author msyabro
 */

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

void check(var list, var n) {
  var l = new Float64List.fromList(list);
  var res = l.take(n);
  Expect.equals(n, res.length);

  for(int i = 0; i < n; ++i) {
    Expect.equals(l[i], res.elementAt(i));
  }
}

main() {
  check([], 0);
  check([1.0], 0);
  check([1.0], 1);

  check([0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0], 0);
  check([0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0], 1);
  check([0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0], 5);
  check([0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0], 10);

}