1   /*
2    * Copyright (C) 2008 The Guava Authors
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    * http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  
17  package com.google.common.collect.testing;
18  
19  import static com.google.common.collect.testing.Helpers.NullsBeforeB;
20  import static com.google.common.collect.testing.Helpers.testComparator;
21  
22  import com.google.common.annotations.GwtCompatible;
23  
24  import junit.framework.TestCase;
25  
26  /**
27   * Unit test for {@link Helpers}.
28   *
29   * @author Chris Povirk
30   */
31  @GwtCompatible
32  public class HelpersTest extends TestCase {
33    public void testNullsBeforeB() {
34      testComparator(NullsBeforeB.INSTANCE, "a", "azzzzzz", null, "b", "c");
35    }
36  }