LibTest/core/List/getRange_A03_t01.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)
/// An error occurs if the start and end are not valid ranges at the time of the
/// call to this method.
/// @description Checks that an error is thrown if the start and end are not
/// valid ranges.
/// @author vasya

library getRange_A03_t01;

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

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

  void check1(List list, int start, int length) {
    Expect.throws(() {list.getRange(start, start + length);},
        (e) => e is RangeError);
  }

  void check(List a0, int start, int end) {
    List list = create();
    list.addAll(a0);
    check1(list, start, end);

    list = create(a0.length);
    list.setRange(0, a0.length, a0);
    check1(list, start, end);    
  }

  check(new List(0), 0, 1);
  check(new List(10), 1, 10);
  check(new List(1099), 0, 1100);
  check(new List(10789), 10000, 10000);

  List l = new List();
  check(l, 0, 1);
  l.length = 10;
  check(l, 1, 10);
  l.length = 1099;
  check(l, 0, 1100);
  l.length = 10789;
  check(l, 10000, 10000);

  l = [];
  check(l, 0, 1);
  l.length = 10;
  check(l, 1, 10);
  l.length = 1099;
  check(l, 0, 1100);
  l.length = 10789;
  check(l, 10000, 10000);
}