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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    *      https://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  
18  package org.apache.commons.dbcp2.datasources;
19  
20  import static org.junit.jupiter.api.Assertions.assertArrayEquals;
21  import static org.junit.jupiter.api.Assertions.assertEquals;
22  import static org.junit.jupiter.api.Assertions.assertNull;
23  
24  import org.junit.jupiter.api.Test;
25  
26  /**
27   * Tests {@link UserPassKey}
28   */
29  class UserPassKeyTest {
30  
31      @Test
32      void testClear() {
33          // user name
34          assertNull(new UserPassKey((String) null).clear().getUserName());
35          assertEquals("", new UserPassKey("").clear().getUserName());
36          assertEquals("\0\0\0", new UserPassKey("foo").clear().getUserName());
37          // password String
38          assertNull(new UserPassKey((String) null, (String) null).clear().getPassword());
39          assertEquals("", new UserPassKey("", "").clear().getPassword());
40          assertEquals("\0\0\0", new UserPassKey("foo", "bar").clear().getPassword());
41          // password char[]
42          assertNull(new UserPassKey((String) null, (char[]) null).clear().getPasswordCharArray());
43          assertArrayEquals("".toCharArray(), new UserPassKey("", "").clear().getPasswordCharArray());
44          assertArrayEquals("\0\0\0".toCharArray(), new UserPassKey("foo", "bar").clear().getPasswordCharArray());
45      }
46  }