blob: e24451e97061ccd6d2cdcbd6c8f3576592cc5df8 [file] [log] [blame]
// 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.
/**
* @assertion final bool isNotEmpty
* Returns [true] if there is at least one element in this collection.
* @description Checks various lists, that the method returns [false] if there
* is no elements in the list, [true] otherwise.
* @author kaigorodov
*/
import "../../../Utils/expect.dart";
import "LinkedList.lib.dart";
main() {
Expect.isFalse(toLinkedList([]).isNotEmpty);
Expect.isTrue(toLinkedList([null]).isNotEmpty);
Expect.isTrue(toLinkedList(const[0, 1, 2, 3, 4]).isNotEmpty);
Expect.isTrue(toLinkedList([[]]).isNotEmpty);
Expect.isFalse(toLinkedList(new List.from([])).isNotEmpty);
Expect.isTrue(toLinkedList(new List.from([[]])).isNotEmpty);
List a = new List.empty();
Expect.isFalse(toLinkedList(a).isNotEmpty);
a = new List.filled(469, 0);
Expect.isTrue(toLinkedList(a).isNotEmpty);
}