LibTest/core/List/getRange_A01_t02.test.dart

// Copyright (c) 2011, 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.

// @dart = 2.9

/// @assertion abstract Iterable<E> getRange(int start, int end)
/// Returns an Iterable that iterators over the elements in the range start to
/// end exclusive. The result of this function is backed by this.
/// @description Checks that an empty list is returned if end - start = 0.
/// @author vasya

library getRange_A01_t02;

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

test(List create([int length])) {

  void check(List src, int start) {
    List a = create();
    a.addAll(src);
    var dst = a.getRange(start, start);
    Expect.equals(0, dst.length);
  }

  List l = new List(1000);
  check(l, 0);
  check(l, 100);
  check(l, 999);
  check(l, 1000);

  l = [1, 2, 3];
  check(l, 0);
  check(l, 1);
  check(l, 2);
  check(l, 3);
}