LibTest/core/Iterable/isEmpty_A01_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.

/**
 * @assertion bool isEmpty
 * Returns true if there are no elements in this collection.
 * May be computed by checking if iterator.moveNext() returns false.
 * @description Checks various containers, that the method returns true if there
 * are no elements, in the containers, false otherwise.
 * @author kaigorodov
 */
library isEmpty_A01_t01;
 
import "../../../Utils/expect.dart";

test(Iterable create([Iterable content])) {
  Expect.isTrue(create([]).isEmpty);
  Expect.isFalse(create([null]).isEmpty);
  Expect.isFalse(create(const[0, 1, 2, 3, 4]).isEmpty);
  Expect.isFalse(create([0]).isEmpty);
}