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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.apache.commons.lang3;
18  
19  import org.junit.jupiter.api.Assertions;
20  import org.junit.jupiter.api.Test;
21  
22  /**
23   * Tests {@link StringUtils}'s valueOf() methods.
24   */
25  public class StringUtilsValueOfTest extends AbstractLangTest {
26  
27      @Test
28      public void testValueOfChar() {
29          Assertions.assertEquals("ABC", StringUtils.valueOf(new char[] {'A', 'B', 'C' }));
30      }
31  
32      @Test
33      public void testValueOfCharEmpty() {
34          Assertions.assertEquals(StringUtils.EMPTY, StringUtils.valueOf(ArrayUtils.EMPTY_CHAR_ARRAY));
35      }
36  
37      @Test
38      public void testValueOfCharNull() {
39          Assertions.assertNull(StringUtils.valueOf(null));
40      }
41  }